2007 synopsis

HSB Global Standards – Code Services

Technical Service Bulletin

2007 Edition ASME Boiler & Pressure Vessel Code

Synopsis

All ASME B&PV Code Sections

Codes and Standards Group

September 2007

HSB Code Services ASME Boiler and Pressure Vessel Code

2007 Edition Synopsis – Executive Summary

2007 ASME Code Edition Synopsis The 2007 Edition of the ASME Code was published on July 1, 2007, and includes revisions, additions and errata approved in 2006 by the ASME B&PV Committee. The mandatory implementation date for the 2007 Edition of the Code is six months from the date of publication, or January 1, 2008. As always, the 2007 Edition may be optionally implemented upon receipt. Over 600 changes are itemized in this Synopsis. Many of these changes are the result of new technology and/or at the request of Certificate Holders like you. This Synopsis also includes a listing of Code Cases that have been newly approved or revised between May 2006 and December 2006. Many of the cases listed in our Synopsis have not yet been published in hard copy by ASME but are scheduled to be published in Supplement 1, or can be obtained from ASME prior to publication. Please contact the Home Office Staff for further assistance. This Synopsis was prepared by the HSB Global Standards Code & Standards Staff to provide insights into the intent of these changes, and their potential impact on Code users. Each item that passed the ASME B&PV Standards Committee in 2006 was entered into the database, the Synopsis “Subject” and “Description” were created by HSB personnel involved with the cognizant Sub-Committee, and each entry was verified that it made it into publication. Several items that were not published correctly are identified in this Synopsis or were loaded as an “A08 Pending” record. Commentary on revisions represents HSB CT's opinion of the changes, and is not intended to be an official interpretation of the ASME Code. Every effort was made to accurately describe the addenda changes. However, we caution Code users to always refer to the actual Code rules that apply and to use this document as a supplementary tool to the Code. Please contact HSB CT’s Codes & Standards group if further background information is desired on any of the revisions or Code Cases published. The following Executive Summary highlights the more noteworthy revisions. We hope you find this information helpful. If you need further clarification, please contact your Inspector, Supervisor, or the Codes & Standards Staff. Jay Cameron, P.E. Senior Consulting Engineer, Codes & Standards Home Office HSB Global Standards, Code Services

Any questions or comments on this document may be directed to: Thomas P. Pastor 860-722-5615 [email protected] (all non-nuclear Sections) Jay Cameron 860-722-5653 [email protected] (all non-nuclear Sections) John Swezy 860-722-5205 [email protected] (all non-nuclear Sections) Bob Wielgoszinski 860-755-5064 [email protected] (Sections I & IV) Alex Garbolevsky 508-875-0710 [email protected] (Sections III & V) Wil LaRochelle 860-722-5662 [email protected] (Section III) Sandy Babka 860-722-5197 [email protected] (Sections VIII & X) Nino Olivares 860-722-5661 [email protected] (Sections VIII, IX & XII) Paul Fisher 630-955-5660 [email protected] (Section XI) Jay Vattappilly 860-722-5392 [email protected] (Sections I & VIII)



TABLE OF CONTENTS

EXECUTIVE SUMMARY ...................................................................................E-1 through E-7 • OVERVIEW OF ASME 2007 SECTION VIII, DIVISION 2 ............E-8 through E-12

SECTION I – POWER BOILERS .................................................................................................1

SECTION II – MATERIALS ........................................................................................................8

SECTION III, DIVISION 1 – RULES FOR CONSTRUCTION OF NUCLEAR FACILITY COMPONENTS (including Subsection NCA – General Requirements for Divisions 1 and 2).....................16

SECTION III, DIVISION 2 – CODE FOR CONCRETE REACTOR VESSELS AND CONTAINMENTS ...............................................................................................................25

SECTION III, DIVISION 3 – CONTAINMENT SYSTEMS FOR STORAGE AND TRANSPORT PACKAGINGS OF SPENT NUCLEAR FUEL AND HIGH LEVEL RADIOACTIVE MATERIAL AND WASTE.......................................................................26

SECTION IV – HEATING BOILERS ........................................................................................28

SECTION V – NONDESTRUCTIVE EXAMINATION ...........................................................30

SECTION VIII, DIVISION 1– PRESSURE VESSELS ............................................................33

SECTION VIII, DIVISION 2 – PRESSURE VESSELS - ALTERNATIVE RULES ..............44

SECTION VIII, DIVISION 3 – ALT. RULES FOR HIGH PRESSURE VESSELS ...............46

SECTION IX – WELDING AND BRAZING QUALIFICATIONS ..........................................50

SECTION X – FIBER-REINFORCED PLASTIC PRESSURE VESSELS ...............................53

SECTION XI – RULES FOR INSERVICE INSPECTION OF NUCLEAR POWER PLANT COMPONENTS ......................................................................................................54 SECTION XII – RULES FOR CONSTRUCTION AND CONTINUED SERVICE OF TRANSPORT TANKS...........................................................................................................58



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General Code Revisions 2007 Addenda

As has been the policy of ASME since the 1998 Edition, the 2007 Edition includes Addenda revisions to the 2004 Edition, 2006 Addenda – these changes are noted with an “07” in the margin in the Code Book. Per Interpretations published for all Code books under BC01-570, it is acceptable to only list “2007 Edition” on data report forms – it is not necessary to list “2007 Addenda” also. Brand New Section VIII, Division 2

For the 2007 Edition, ASME has published a completely rewritten Section VIII, Division 2. This book was a culmination of almost a decade of effort. The “Div 2 Rewrite,” as it was called by ASME Committee Members, broke new ground in many different ways. A detailed description of some of the major changes in Section VIII, Division 2 is appended to this Executive Summary. Code Revisions By Sections Section I Correct Fig. PG-58.3.1 as Errata - Revised Fig. PG-58.3.1 by making the line between the first and second valve in the water drum blowoff line BOLD, indicating the jurisdiction of BEP for the water drum blowoff line extends through the second valve. Isolable and Separately Fired Economizers & Superheaters - Revised PG-59.4 to delete "integral" from "integral economizers", clarifying the requirement for drains on all elements of a boiler, including nonintegral economizers. Replaced "separately fired" with "isolable" in PG-68.3, and replaced "independently" with "isolable or nonintegral separately" in PG-106.4.2(e) to include applicability for safety valve and nameplate stamping requirements to these types of superheaters. Welded Standard Pressure Parts - Added a new final sentence to PG-42.1.6, clarifying that parts such as lap stub ends fabricated by welding with filler metal added may not be used in Code construction unless fabricated in accordance with PG-11.3 as welded standard pressure parts. Assembler Stamping Requirements - Added a statement to the end of PG-108.2 to require the additional Assembler's nameplate to be attached immediately adjacent to the master stamping plate.



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Periodic Audits of Electric Boiler Construction - Revised paragraph PEB-18.2.2 to require periodic audits of electric boiler construction activities performed by “S” and “M” stamp holders when performing an equivalent examination of a completed electric boiler without the involvement of an Authorized Inspector as permitted in Paragraph PEB-18.1 and PEB-18.5. This requirement complements similar requirements for “E” Stamp holders, and closes a previously existing loophole which would allow this activity to be conducted without oversight by an Inspector. Part PHRSG Added for Heat Recovery Steam Generators - Added PHRSG-1 through PHRSG-5 to address special requirements applicable to HRSG design and construction, such as condensate removal and drain connections on superheaters and reheaters, and condensate drain pots in desuperheater steam lines. Also added new Figure PHRSG-4 showing the jurisdictional boundaries for boiler proper, boiler external piping (BEP) and non-boiler external piping (NBEP). Section II, Parts A, B & C Sixty-nine (69) new editions of ASTM, AWS and other (CSA & EN) specifications have been adopted as ASME specifications. This brings the ASME specifications significantly more up to date with current material production technology. Included in these adoptions were 2 entirely new ASME specifications: SA-965 and SB-928, which included materials previously covered by SA-336 and SB-209, respectively. Section II, Part D Some of the additions include incorporation of nine (9) Code Cases: 2038-5 (F310MoLN/S31050), 2056-1 (SA-333 Grade 6), 2151-1 (Grade 3VCb), 2295-1 (S32906), 2316 (S39274), 2319-2 (N10242), 2488 (S31803), 2521 (SA-564 Gr.630 H1150), and N-637 (N08904). Allowable stresses were increased for SA-193-B6 and SA-437-B4C (0.1 ksi / 1 MPa); and N06200 (10%). Allowable stresses were decreased for SA-240 and SA-666 S20100 (~20%); SA-268 S40900 (17%); SB-535-N08330 and SB-658-R60702 & R60705 (15%); and SB-265 R50250, R52250, R52252 and R52254 (20%). SA-965 and SB-928 were newly adopted specifications and included materials previously covered by SA-336 and SB-209, respectively. The stress lines’ specification reference was changed accordingly.



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Copper Alloys and Tempers that are Used by Manufacturers - An informal survey was made of the copper industry and the Manufacturers that use copper alloys to determine the tempers that are allowed by the material specification and are produced by the industry. In many cases, only the annealed (O25 or O61) temper was explicitly permitted in II-D. This action adds all tempers for many copper alloys. To accommodate the new Section VIII, Division 2, many changes had to be effected. Tables 2A and 2B were revised editorially to remove references to VIII-2 and the applicability column – any remaining lines that were not used by Section III, Class 1 were deleted. A new Appendix 10 was created paralleling Appendix 2, but with the new criteria for VIII-2. New Tables 5A and 5B and their associated Notes were created, however, due to last-minute changes, the publication deadline was missed – the tables are published on-line and will be printed for the 2008 Addenda. Section III Subcontracted Calibration Services - new paragraph NCA-3126(c) allows Certificate Holders or Material Organizations to accept accreditation by NVLAP, A2LA, or ILAC MRA, as an alternative to survey and audit of suppliers of subcontracted calibration services and details the requirements. This alternative is already permitted in 10CFR Part 50 Appendix B Quality Assurance Programs. Previous subparagraph (c) is now designated as (d). This provision is also restated in NCA-3855.3(c). Tube-to-Tubesheet Welds - NB/NC/ND-4350 adds a requirement that tube-to-tubesheet weld procedures are to be qualified per ASME Section IX, QW-202.6, using a demonstration mock-up in accordance with QW-193. The weld throat shall be not less than two-thirds the specified tube wall thickness. In addition, welders and welding operators shall be qualified per QW-303.5. Additional Tensile Testing for Forgings – in NC/ND/NE-2122(b), in addition to the tensile testing required by the material specification, forgings produced for flat heads and tubesheets with integrally forged hubs, for butt welding to the adjacent shell, head or other pressure part, shall have tensile tests performed in accordance with NX-4243.1. The tensile test specimen shall be located in accordance with NX-4243.1 and Fig. NX-4243.1-1. Section IV Revise Figures HG-530.2, HG-530.4 and HG-530.6 - This revision essentially reinstates the term "steam MAWP" line on the nameplates for wrought boilers and cast iron boilers. The term was previously in the figures but was inadvertently removed in the A06 addenda when the figures were metricated.



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A new Part HA was added to address aluminum alloys. Two aluminum materials were added for hot water heating boilers: Alloy EN AC AlSi10Mg(a) sand castings and SB-111-C60800. Changes were made that decreased minimum required thicknesses: HF-301.1 (thin plate in parts subject to external pressure), and Code Case 2571 (SA-240 304L & 316L Less Than ¼ in (6 mm)). Section V Thirteen (13) new editions of ASTM standards have been adopted as ASME standards. This brings the ASME standards significantly more up to date with current NDE technology. New Mandatory Appendix II to Article 14 - provided specific requirements for qualifying ultrasonic examination systems by performance demonstration. Clarify UT Calibration Block Requirements - added details for dissimilar metal weld examinations to T-434.1.2, referencing Fig. T-434.2.1 in T-434.2.2, and relocating the detailed requirements for calibration blocks to new Note (h) for Fig. T-434.2.1, which defines the dimensions weld thickness (t) and calibration block thickness (T). General Revision of Article 8 - Substantially revised Article 8 to add references to the Appendices where appropriate and largely editorially revised Appendices I through IV. Section VIII, Division 1 Definition of "E1" for Openings in ERW Pipe - This revision to UG-37(a) adds further clarification for the case where an opening is installed in a shell fabricated from ERW or autogenously welded pipe. For this case "E1" is set equal to 0.85, unless it can be clearly determined that the opening does not pass through an ERW or autogenously welded joint. Hydro Test Requirement for Pressure Relief Device (PRD) Pressure Parts - The revisions to UG-136(d)(2), (d)(3) and UG-137(d)(2) address pressure test requirements, and introduce significant changes that will affect manufacturers and assemblers of PRD's. The exemption from pressure testing based on size and pressure have been removed. An additional exemption from pressure test has been provided for valves for which the applied stress under hydrostatic test conditions do not exceed 50% of the allowable stress. Provisions for performing a pneumatic test have been added. Attachment Welds at Openings for Small Nozzles & Fittings - UW-16(e)(1) & (e)(2) now permits the attachment of small nozzle necks and tubes (< NPS6) with a single fillet weld placed on the inside. A fitting fabricated from any product form by a fitting manufacturer could be considered a "fitting" as used in UW-16(f), and thereby have the potential to be attached with a single fillet weld, when all the other provisions of



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UW-16(f)(3) are met. This provision is limited to fittings produced to an ASME/ANSI standard, or to a manufacturer's standard (as defined in UG-11). A minimum wall thickness of not less than that of a Class 3000 fitting per ASME B16.11 was set for this attachment detail. Revisions to impact test rules for high alloy materials – UHA-51 was totally rewritten and incorporate several changes concurrently. A provision for the use of PAW was added when the MDMT is colder than -320°F (-196°C). In addition, pre-use testing of each heat, lot or batch of filler metal and filler metal/flux combination is now required for MDMT's colder than -320°F (-196°C). It now allows the use of ferrite determinations by use of a calibrated ferritescope or magna gauge in addition to the use of the Delta Ferrite Diagram shown in Fig. ULT-82. UHA-51(f) has been changed to address pre-use testing of welding consumables for MDMT's colder than -155°F (-104°C). Vessel production impact test requirements have been reorganized. A new Nonmandatory Appendix JJ has also been added that provides flowcharts for UHA-51. Tubesheets consider as simply supported - Rules were added to UHX-12 to consider the tubesheets as simply supported. Prior to this change UHX often required a thicker channel because of the interaction of the integral channel/shell with the tubesheet. The change allows the Mfr to design the tubesheet as simply supported. Having to have a thicker channel or shell impacted several Manufacturers of floating tubesheets since they were limited to increasing the thickness to the inside and had to reduce the number of tubes. Revised Record Retention - Revised Appendix 10, 10-13 to require the retention of pertinent records by the Manufacturer for at least three years after the signing of the Manufacturers Data Report. Revised UG-117(f) to make the retained records available to the Authorized Inspector Supervisors or Review Teams for the purpose of performing reviews for the issue or renewal of Certificates of Authorization. Section VIII, Division 2

The “Div 2 Rewrite,” as it was called by ASME Committee Members, broke new ground in many different ways:

• published in single-column format for ease of maintaining the future edits • uses ISO conventions:

o an “Appendix” is now an “Annex” o a “Mandatory Appendix” is now a “Normative Annex” o a “Nonmandatory Appendix” is now an “Informative Annex” o an alphanumeric paragraph numbering system is used o previous footnotes are rolled into paragraphs or as Notes

throughout the text • contains modular “Parts”

o contains its own Annexes



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o has its own table of contents o is paginated within the part o contains its own nomenclature (definitions), tables and figures

• curves are described as formulas to facilitate computer programming • most material properties are still referenced to Section II, Part D, however

some “strength parameters” now use formulas that model the material behavior for particular properties

A detailed description of some of the major changes in Section VIII, Division 2 is appended to this Executive Summary. Section VIII, Division 3 Reorganization of Article KD-2 - This reorganization recognizes that there are two different methods of analysis that are accepted for design verification in Div. 3 and provides a roadmap for their use. The reorganization places the definitions and equations that always apply to all designs in the first part of the Article. Next, this is followed by elastic-plastic methods that can always be used for design by analysis in this Division. Third, the linear elastic methods are presented. Lastly, the equations for stress calculations are provided for information. There is no intent to change any existing requirements or equations in this action. Modification to Strain Limits - Paragraph KD-240 for elastic-plastic analysis currently requires that the strain at the collapse load be limited to 5%. This revision replaces that requirement with a strain limit that is based on the material and triaxial (hydrostatic) stress. Editorial Rearrangement of KD-6 - Article KD-6 dealing with design requirements for closures, integral heads, threaded fasteners and seals, was editorially restructured to clarify requirements and eliminate confusion within the article. New Article KD-10 for high pressure hydrogen service covering (a) non-welded vessels with hydrogen partial pressure (H2pp) exceeding 6000 psi (41MPa), (b) non-welded vessels constructed of materials with ultimate tensile strength exceeding 137 ksi (945 MPa) and H2pp exceeding 750 psi (5.2 MPa), (c) vessels of welded construction with H2pp exceeding 2500 psi (17 MPa), (d) vessels of welded construction constructed of materials with maximum ultimate tensile strength exceeding 90 ksi (620MPa) and H2pp exceeding 750 psi (5.2 MPa). Code Case 2563 was also adopted to allow the use of 6061-T6 Aluminum in high pressure hydrogen service.



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Section IX Continuity of Welder Performance Qualifications - Revised QW-322.1(a) to clarify that welding activities to support continuity of the welder (or welding operator) performance qualifications must be performed under the supervision and control of the qualifying organization. Deleted QW-403.7 - Table QW-451.1 has been revised to address the limitations on qualified base metal thickness based upon test coupon thickness which were previously addressed by QW-403.7. Revised the tables of QW-253, QW-254, QW-255 and QW-256 to delete references to QW-403.7 as an applicable variable. Revise S-Nos. for Various Materials in Table QW/QB-422 - Added A108 8620CW, assigned to S-No.3, Gr. 3, which was previously covered in A 331. Deleted S-Numbers for the following obsolete ASTM Specifications: A 167 Types 301, 302, 304, 304L, 309S, 310S, 316L, 317, 317L, 321, 347 and 348; A 271 Types 304 and 304L; A 331 Grade 8620CW; A 441 Grades 1 & 2; A 446 Grade A; A 514 Grades J & D; A 570 Grades 30 through 50; and A 611 Grades A, B and C. Adopt SWPS's for Carbon Steel Pipe Welding - Adopted AWS SWPS B2.1-1-234 for FCAW and SWPS B2.1-1-235 for GMAW-S for use primarily in welding carbon steel pipe applications. Section XI Level III Test Questions – In IWA-2323, the "Total" number of Level III Basic test questions was changed from 50 to 65. Qualification requirements for length and/or depth sizing of axial flaws in piping - Revised Mandatory Appendix VIII, VIII-3120(b) to clarify qualification requirements for length and/or depth sizing of axial flaws in those Appendix VIII, piping Supplements that otherwise contain no provisions. Increased the limit on the size of the temperbead repair - Changed paragraph 1.0 (a) of Code Case N-638-2 from a size limitation of 100 square inches to 500 square inches. Dissimilar Metal Weld Overlay of Class 1, 2 and 3 Components - Code Case N-740 extends the use of overlays to dissimilar metal welds, permits application to some ferritic and austenitic nickel base materials, allows the use of nickel alloy filler materials in addition to stainless steel filler materials.



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Overview of ASME 2007 Section VIII, Division 2 Thomas P. Pastor, P.E. HSB Global Standards

Hartford, Connecticut, USA

ABSTRACT In 1998 ASME decided to undertake a project to completely rewrite Section VIII, Division 2 pressure vessel code. Significant advances in pressure vessel design and related sciences such as materials, welding and NDE highlighted the need for a complete updating and modernization of this “design by analysis” standard. A survey of code users was conducted at the beginning of this project to identify subject matter in the standard that were of primary interest to the petrochemical industry, and every effort has been made to meet their needs. The project is nearing completion, and this paper will highlight the significant features of the new standard, and provide the latest status on remaining tasks and the publication schedule. BACKGROUND In 1998 the ASME Boiler and Pressure Vessel Committee authorized a project to rewrite Section VIII, Division 2 pressure vessel code. This decision was made shortly after the design margin on ultimate tensile strength was lowered from 4.0 to 3.5 in Section I and Section VIII, Division 1. ASME saw the need to update Section VIII, Division 2 to be more competitive with other international standards, and in lieu of revising the existing standard, the decision was made to perform a clean sheet rewrite. By doing so it was felt that not only could the standard be modernized with regard to the latest technical advances in pressure vessel construction, but it could be structured in a way to make it more user-friendly for both users and the committees that maintain it. ORGANIZATION of NEW CODE The organization of the new VIII-2 is very different from the current standard, utilizing a flat modular structure to facilitate future revisions and additions. The standard is made up of nine parts as follows: Part 1 - General Requirements Part 2 - Responsibilities and Duties Part 3 - Material Requirements Part 4 - Design by Rule Requirements Part 5 - Design by Analysis Requirements Part 6 - Fabrication Requirements Part 7 - Inspection and Examination Requirements Part 8 - Pressure Testing Requirements Part 9 - Pressure Vessel Overpressure Protection



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In addition to these nine parts, normative and informative annexes are utilized within each Part, eliminating the use of mandatory and nonmandatory appendices that are traditionally placed in the back of the standard. Part 1 - General Requirements This Part addresses the scope of this standard with respect to the types of pressure vessels covered, as well as the definition of the geometric boundary for the stamped item. In addition this Part covers unit of measurement, reference standards, technical inquiries, and global definitions. Similar to other ASME B&PV standards, either US Customary, SI or local customary units may be used to demonstrate compliance with the standard. Annex 1.C provides guidance for the use of US Customary and SI Units within this standard. Part 2 - Responsibilities and Duties Part 2 consolidates responsibilities and duties of the User, Manufacturer, and Authorized Inspector. The most significant change in this area has to do with Registered Professional Engineer (RPE) certification of the Manufacturers Design Report (MDR) and the Users Design Specification (UDS). An alternative to RPE certification is provided which will facilitate the use of the new VIII-2 outside of North America. This alternative will require that the engineer certifying either the UDS or MDR has the requisite technical and legal stature, and jurisdictional authority to certify such a document. One other significant change concerns maintenance of records. The Manufacture needs to supply to the User the complete technical file containing all pertinent documentation related to the construction of the vessel, as well as retain these records for a minimum period of three years after stamping of the vessel. Some of the items required to be retained are:

• Users design specification • Manufacturers design report • Manufacturers data report • manufacturers construction records, including welding procedure specifications,

procedure qualification records, records of all heat treatments, results of all production test plates, NDE procedures, results of all NDE examination, etc.

Part 3 – Material Requirements Part 3 contains several significant enhancements relative to the existing VIII-2:

• The allowable stress basis is set to UTS/2.4 at room temperature and 2/3Sy at design temperature. This aligns the new VIII-2 with current European pressure vessel standards.

• The toughness rules were updated and the minimum Charpy V-Notch impact test requirement was set to 20 ft-lb (27 J). In addition impact test exemption curves for carbon and low alloy steel are now provided with and without the influence of



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PWHT. Finally the option to establish the design MDMT using fracture mechanics methodology has been added.

• A master stress-strain curve has been developed which utilizes MSYS, MSUTS, and elastic modulus functions to introduce temperature dependence. This stress-strain curve is used when applying the design by analysis rules of Part 5, as well as when performing buckling calculations when it is necessary to determine the tangent modulus.

• Two sets of design fatigue curves are provided; 1. Smooth bar design fatigue curves using the same design methodology as presented in Appendix 5 of the current VIII-2; 2. Welded joint design fatigue curves utilizing the new Master S/N Curve and the Structural Stress Method for determining the equivalent structural stress.

Part 4 - Design By Rule Requirements The VIII-2 rewrite will contain both design by rule (DBR) and design by analysis (DBA) options. Numerous enhancements were made to the design by rule section, several of which are highlighted below:

• A new format was introduced to present the design rules in a manner to enhance readability and facilitate computer implementation of the required calculations.

• Weld joint efficiencies are introduced in the VIII-2 rewrite permitting for the first time less than 100% volumetric examination for main vessel welds.

• Introduction of explicit design rules for combined loadings (i.e. pressure, weight, wind and earthquake), as well as adoption of the ASCE 7-2002 Load Combination Methodology

• New design rules for ellipsoidal and torispherical heads. • External pressure rules based on Code Case 2286 and utilizing the tangent

modulus derived from the master stress strain curve given in Part 3. • New opening reinforcement rules based on pressure-area stress calculation. • New rules for conical transition subject to internal/external pressure • Inclusion of bellows and tubesheet design rules based on Part UHX from VIII-1 • Inclusion of design rules for jacketed vessels, noncircular vessels, and vessel

supports. Part 5 - Design by Analysis Requirements The design by analysis section was reorganized based on the mode of failure:

• Protection against plastic collapse • Protection against local failure • Protection against collapse from buckling • Protection against failure due to cyclic loading



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Another significant change is that the minimum wall thickness can be established using DBA rules in lieu of following DBR requirements. This is a significant departure from the philosophy that exists in the current VIII-2. Some other enhancements to Part 5 are:

• Continued use of stress classification and the Hopper Diagram • Introduction of Structural Stress concepts that provide a new fundamental method

to compute membrane and bending stresses using FEA that is mesh insensitive. This structural stress method is used when performing a fatigue analysis of welded joints.

• New requirements for design based on local failure strain, replacing the existing limits on triaxiality.

• New procedure for elastic plastic design using FEA and the Master Stress Strain curve.

• New method for fatigue assessment based on Structural Stress concepts for assessment of welded joints.

• Explicit DBA rules for evaluating collapse from buckling • Recommendations for linearization of stress results from FEA for stress

classification • Normative annexes are provided for the design of perforated plates based on

elastic stress analysis, and rules are provided for experimental stress analysis. Part 6 Fabrication Requirements Part 6 contains a consolidation of fabrication requirements from the original VIII-2 Part AM and Part AF, as well as some fabrication rules from VIII-1. Similar PWHT requirements are planned for the initial release; however, new time-temperature-thickness criterion for PWHT is under development. Part 7 Examination Requirements Rules for examination of welded joints have been completely rewritten in Part 7. The concept of defining "examination groups" for pressure vessels, based on the practice used in several European standards has been utilized. Also with the introduction of weld joint efficiencies in the new VIII-2, the option for partial radiography is now available. However unlike the spot RT rules of VIII-1 where 1% of a weld joint is examined, when permitted in Part 7 partial radiography will require between 10 and 25% of the weld to be examined. Other significant features of Part 7 include:

• Provision for UT in lieu of RT; requirements are given regarding when manual versus automated UT shall be performed.

• More extensive visual examination requirements, similar to PD 5500 • For vessels for which the fatigue analysis as mandatory, all surfaces of pressure

boundary components (internal and external) shall be examined by MT or PT



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following a hydrostatic pressure test. This requirement is taken from Section VIII, Division 3, KE-400.

• Part 7 also contains a normative Annex outlining Inspector and Manufacturer duties for inspection and examination.

Part 8 Pressure Testing Requirements The hydrostatic test pressure factors are now set to the greater of 1.43 x MAWP or 1.25 x MAWP(ST/S), bringing them in alignment with the PED. The pneumatic pressure test option is retained, however when used the vessel must be monitored by acoustic emission examination during the test. Finally the Manufacturer must maintain complete records of the final pressure test. Part 9 Overpressure Protection Basic rules for overpressure protection will be virtually identical to that currently published in VIII-1. For that reason, most rules for overpressure protection will be referenced to VIII-1 instead of publishing again in this new VIII-2. Rules not covered in VIII-1, such as Overpressure Protection by Design (Code Case 2211), will be presented in Part 9. Annex 9.A contains best practices for the installation and operation of pressure relief devices, which is based on the latest revision to Appendix M of VIII-1. Summary The majority of the goals outlined in 1999 for the rewrite of Section VIII, Division 2 have been satisfied in the draft approved by the ASME B&PV Standards Committee in February 2007. A completely new and more user-friendly organizational structure to the book coupled with adoption of the latest technology available for construction of pressure vessels will hopefully result in a standard that will serve the petrochemical and refinery industry for decades to come. Ongoing activities related to the project include beta testing by existing VIII-2 Certificate Holders, addressing accreditation issues, and preparation of a separate Examples Manual. The new Section VIII, Division 2 (2007 Edition) will be published on July 1, 2007, and will become mandatory January 1, 2008. A code case has been approved (Code Case 2575) that will allow for an 18 month transition period during which VIII-2 Certificate Holders will be able to construct to either the old VIII-2 (2004 Edition through 2006 Addenda) or the new VIII-2. A more detailed explanation of each of the nine Parts of the new standard will be published in a future edition of Pressure Points.

HSB Code ServicesSynopsis of the 2007 Edition to the ASME Code

Friday, September 21, 2007 Page 1

PG-2.1 Revision Revised the definition of a "power boiler" given in paragraph PG-2.1(a) by adding the phrase "for use external to itself" to the end, making it consistent with the Preamble.

PG-9, PG-12 & PG-60 Revision Added PG-9.1.2 listing acceptable materials for use in water level indicators and their connections to the boiler. Revised the title of PG-12 from "Gage Glass Body and Connector Materials" to "Water Level Indicators and Connector Materials" and revised the existing text to add nickel based alloys and a reference to PG-5.5, redesignating the paragraph as PG-12.1. Added subparagraphs PG-12.2 and PG-12.3, addressing the use of magnetically coupled float type water level indicators and providing prescriptive requirements for water level indicators and their connection to the boiler. Added PG-60.1.1.4 to address qualifying conditions for usingmagnetically coupled float type water level indicators. Revised PG-60.1.6, PG-60.3.2, PG-60.3.3, PG-60.3.6 and PG-60.3.7 to include austenitic stainless steel and nickel based alloy water level indicators. Attachment of other control devices to connections for float type magnetically coupled water level indicators is prohibited. This action introduces a new application for austenitic stainless steels in water wetted service.

PG-9.1 Addition Added SA-333, Seamless and Welded Carbon and Alloy Steel Pipe for Low Temperature Service, to PG-9.1; incorporating Code Case 2056-1.

PG-9.2 Revision Revised PG-9.2 by change the reference to "SA-336" to read "SA-965", as a result of adopting of SA-965 for Alloy Steel Seamless Drum Forgings to replace SA-336.

PG-9.7, PG-27.4 & PW-39

Addition Revised PG-9.7 to add UNS S31803 under SA-182, SA-240, SA-479, SA-789, SA-790 and SA-815; revised PG-27.4 Note 6 by adding a "y" value for UNS S31803; and added P-No.10H for UNS S31803 to PW-39; all of which incorporate the provisions of Code Case 2488.

PG-18 & PG-100 Revision Revised PG-18, "softening" the unintended implication that proof testing is mandatory to determine MAWP when formulas are not provided for calculating MAWP, and making proof testing a permissive alternative. Also deleted the phrase "or in such other manner as the Committee may prescribe", as it implies a special condition which does not exist. The Preamble already permits alternative design methods to be used for determining the MAWP of a Section Iobject which cannot be accurately calculated. Deleted PG-100, which contained words identical to PG-18, eliminating this unnecessary duplication of proof testing requirements, and leaving them within the "design" requirements at the front of Part PG.

PG-19, Table Revision Corrected the metricated values shown in the last column of Table PG-19 for UNS S34710 and S30815.

PG-21 Revision Deleted the reference to US Customary units "in pounds per square inch" from the text of PG-21, leaving the description dimensionless. This action was missed during metrication of Section I.

PG-32.1.3.1 Revision Revised PG-32.1.3.1 to change the opening diameter limit of NPS 2 (DN 50) to 2 3/8 in. (60 mm), and clarifying this limit as finished opening diameter for exempting an opening from reinforcement requirements. Editorially revised the previous subparagraphs of PG-32.1.3.1.1, PG-32.1.3.1.2 and PG-32.1.3.1.3 by incorporating them into subparagraph PG-32.1.3.1.

PG-32.1.4.3 Errata A previous action revising the rules for openings in shells, headers and heads resulted in renumbering the subparagraphs of PG-32.1. As a result, some of the references within PG-32.1.4.3 were incorrect, and required revision. The previous reference to PG-32.1.4.3 was changed to PG-32.1.4.2, the reference to PG-32.1.4.1 was changed to PG-32.1.3, and the reference to PG-32.1.3.1 was changed to PG-32.1.3.

Code Book: I

Part:

Subpart/Table: Part PG

Paragraph Type Subject



PG-33.2, Fig. Revision Added General Note (c) to Fig. PG-33.2, indicating the 30 degree minimum transition angle shown in sketch (e) is also applicable to sketches (e-1) and (e-2). Sketch (d) of Fig. PG-33.2 previously did not address an external transition angle limit, so the sketch was revised to limit the external transition to 30 degrees minimum, similar to sketch (e).

PG-39.5.1 Revision Revised PG-39.5.1 to correct the reference to "ANSI B1.20.1" to read "ASME B1.20.1", consistent with Table A-360.

PG-42.1 & PG-60.6.4 Errata Corrected Fig. PG-42.1 Note (1)(c) by changing 12.5 "degrees" to "%"Corrected a PG-60.6.4 spelling error by changing "Celcius" to "Celsius"

PG-42.1.6 Revision Added a new final sentence to PG-42.1.6, clarifying that parts such as lap stub ends fabricated by welding with filler metal added may not be used in Code construction unless fabricated in accordance with PG-11.3 as welded standard pressure parts.

PG-58.3.1, Fig. Errata Revised Fig. PG-58.3.1 by making the line between the first and second valve in the water drumblowoff line BOLD, indicating the jurisdiction of BEP for the water drum blowoff line extends through the second valve.

PG-59.4, PG-68,3 & PG-106.4.2(e)

Revision Revised PG-59.4 to delete "integral" from "integral economizers", clarifying the requirement for drains on all elements of a boiler, including nonintegral economizers. Replaced "separately fired"with "isolable" in PG-68.3, and replaced "independently" with "isolable or nonintegral separately" in PG-106.4.2 (e) to include applicability for safety valve and nameplate stamping requirements to these types of superheaters.

PG-68.3 Revision Revised PG-68.3 to change "6 lb (29 kg/hr) of steam per hour per square foot (square meter) of " to read "6 lb/ft2 (29 kg/m2) of steam per hour, using the" to eliminate any confusion with the units resulting from the previous wording.

PG-73.3.4 Revision Revised PG-73.3.4(b) to include applications of a corrosion resistant coating to valve springs asa permissible part conversion which may be performed by an authorized valve Assembler. Revised the word "machining" to "conversion" in PG-73.3.4(b)(1) & (b)(5) for broader applicability for part conversion other then machining operations. Added new subparagraph PG-73.3.4(c), permitting the application of corrosion resistant coatings to valve springs by authorized valve Assemblers, incorporating Code Case 2208.

PG-73.4.1, PG-73.4.3 Revision Previous revisions to PG-73.4.1 deleted exemptions from pressure testing pressure relief valves based on size and pressure, requiring pressure testing for all sizes of pressure relief valves and any pressure rating. New PG-73.4.1(a)(1) and (a)(2) allow pressure testing exemption for valve parts when the applied stress under hydrostatic test conditions does not exceed 50% of the allowable stress when the parts are not cast or welded. New PG-73.4.1(b) permits pneumatic testing of valve parts at 1.1 times the design pressure of the part, when appropriate safety measures are taken. New PG-73.4.1(d) exempts valve components downstream of the valve disk from pressure testing when the valve is designed for discharging directly to atmosphere. New PG-73.4.1(e) exempts valve components downstream of the valve disk from pressure testing when fully contained within the valve body. PG-73.4.3 was reformatted, placing the existing text into PG-73.4.3(a), and adding PG-73.4.3(b), which requires closed bonnet pressure relief valves designed for discharge to a closed system to be tested with a minimum of 30 PSIG (200 kPa) air or other gas in the secondary pressure zone. A footnote was added to PG-73.4.3(b), indicating the User may specify a higher test pressure commensurate with the back pressure anticipated in service.

PG-108.2 Revision Added a statement to the end of PG-108.2 to require the additional Assembler's nameplate to beattached immediately adjacent to the master stamping plate.

PG-112.2.7 Revision Revised the first sentence of PG-112.2.7 to indicate Form P-6 shall be used to record additional data when the available space for reporting required information is insufficient and a printed Manufacturer's Data Report is being used. A new paragraph was added, permitting expansion of electronic versions of the Manufacturers Data Report to include all additional reporting information in lieu of using Form P-6, or using Form P-6 as an option. This action was intendedto remove any implication of Form P-6 being "mandatory" for use when reporting additional information.



PW-11, Table Revision Revised Table PW-11 to add existing RT exemptions for waterleg, furnace, and firebox weld joints; and removed these exemptions from PFT-21.

PW-15.1 Revision Revised PW-15.1 to require using the smaller weld leg to calculate the fillet weld strength whenever unequal fillet weld legs are unequal. Revised PW-15.1.2 and the formulas in Fig. PW-15 to base the fillet weld strength calculations on the average diameter of the fillet weld.

PW-16.1, Fig. Errata Corrected Fig PW-16.1, sketch (q-2) to change the dimension previously given as "1/2 t sub min" to read "minimum of 1-1/2 t." due to a publishing error.

PW-39, Table Revision Revised Table PW-39 for P-No.1, P-No.3, P-No.4 and P-No.5A materials, adding an exemptionfrom PWHT for welded attachment of non-load bearing studs and insulation attachment pins not greater than 1/2" (13 mm) in diameter when welded to heat absorbing surfaces using automatic arc stud welding or automatic resistance stud welding. The changes were not correctlyimplemented by the publisher, however. The P-No.1 exemption appears as Note (a)(11)(f), instead of Note (a)(13); the P-No.3 exemption appears as Note (a)(8)(c)(3) instead of Note (a)(9); and the P-No.4 exemption appears as Note (a)(6)(e) instead of Note (a)(7). The changes to P-No.5A were correctly implemented as Note (a)(5).

PW-39, Table Revision Revise Table PW-39 for P-No.5A materials to add Note (a)(6), adding an exemption from PWHT for corrosion resistant overlay welding of pipe and tube. The exemptions may be applied for pipe or tube overlay when not used as a drum or shell, and the overlay is applied using a minimum preheat of 300F (150 C), the overlay is deposited using GTAW or GMAW by a 360 degree spiral deposition technique, the overlay cladding thickness does not exceed 1/8 in (3 mm), and the base pipe or tube diameter does not exceed NPS 5 (DN 125).

PW-39, Table Revision Revised Table PW-39 for P-No.1 materials, adding Note (a)(12) which provides an exemption from PWHT for waterleg, firebox and furnace welds complying with PFT-21 which do not exceed 3/4 in (19 mm) in thickness. This restores a PWHT exemption which was previously in the Code, but was inadvertantly lost during earlier revisions.

PW-41.5 Revision Corrected references to subordinate subparagraphs in PW-41.5 to include subparagraphs PW-41.5.4 through PW-41.5.6, which were added in previous actions. The previous text only addressed PW-41.5.1 through PW-41.5.3.

PWT-11.1(e) & Fig. PWT-11

Revision Added PWT-11.1(e) and a final sentence to PWT-11.1 to allow the attachment of tubes in water tube boiler by expansion only into tube holes with grooved sides. Added sketch (e) to Fig. PWT-11 to illustrate the dimensional requirements for the grooved tube holes.

Subpart/Table: Part PW


Subpart/Table: Part PWT


Subpart/Table: Part PFT




PFT-21 & Fig. PFT-21 Revision Revised PFT-21.1 to clarify where the waterleg width dimensional requirements apply. RevisedPFT-21.1 and PFT-21.2 to delete radiography exemptions for fireboxes and waterlegs, which were relocated to Table PW-11. Clarified that other waterleg closure designs which meet the requirements are acceptable, by adding a new final sentence to PFT-21.1 and changing the title of Fig. PFT-21 to add the words "Some Acceptable", indicating that the sketches shown are notintended to be the only acceptable designs.

PEB-18.2.2 Revision Revised paragraph PEB-18.2.2 to require periodic audits of electric boiler construction activitiesperformed by “S” and “M” stamp holders when performing an equivalent examination of a completed electric boiler without the involvement of an Authorized Inspector as permitted in Paragraph PEB-18.1 and PEB-18.5. This requirement complements similar requirements for “E”Stamp holders, and closes a previously existing loophole which would allow this activity to be conducted without oversight by an Inspector. Revised Form P-2A to add a check block to indicate whether the signature in the Certificate of Compliance for the Completed Boiler was applied by the Authorized Representative or the Certified Individual, and revised Note 32 of the A-351.1 Guide for Completion to address use of the check block. Added reference to Note 33 in the A-351.1 Guide for Completion at the top of the Certificate of Shop Inspection block.

PHRSG-1 & PHRSG-2 Addition Added PHRSG-1 and PHRSG-2 introducing the new Part, and defining its scope. This Part addresses special requirements applicable to heat recovery steam generator (HRSG) design and construction.

PHRSG-3 Addition Added PHRSG-3.1 through PHRSG-3.4, adding requirements for condensate removal and drain connections on superheaters and reheaters.

PHRSG-4 Addition Added new paragraph PHRSG-4 which imposes requirements for condensate drain pots in desuperheater steam lines to protect hot coils from unintended water quenching. Also added new Figure PHRSG-4 showing the jurisdictional boundaries for boiler proper, boiler external piping (BEP) and non-boiler external piping (NBEP).

PHRSG-5 Addition Added PHRSG-5, providing requirements for documenting the use of Part PHRSG rules for boiler component design.

A-19.3 Revision Revised the first sentence in A-19.3 to change the word "renewed" to read "replaced", clarifyingthat previously used fusible plug casings shall not be "refilled", since the words "renewed" and "refilled" have similar meanings. This action removes any potential confusion created by the previous requirement for the fusible plugs to be "renewed" at least once a year.

A-20.3 Revision Corrected reference in A-20.3 from "Fig. A-10" to read "Fig. A-19". This change was overlooked when the Figure was redesignated by a previous action.

Subpart/Table: Part PEB


Subpart/Table: Part PHRSG


Subpart/Table: Appendix A




A-44 & A-354 Errata Corrected the following errors:1. Changed the Table A-44 values for "oil,gas or pulverized fuel fired" under the respective linesfor "boiler heating surface" and "waterwall heating surface" in the "Firetube Boiler" column2. A-354, Note 34 reference changed from "PG-112.2.4(3)" to read "PG-112.2.4(c)"

A-317 Revision Consideration of the hydrostatic head is required in all formulas in A-317, so the phrase “unlessthe formula is noted otherwise” was removed from A-317.1, and paragraph A-317.3(h) was deleted. Paragraph A-317.3(c)(4) is being removed, since this information is not referenced elsewhere within A-317.

A-360 & A-361, Tables Revision Table A-360 was revised to reference B16.34-2004, Valves - Flanged, Threaded, and Welding End. Deleted Table A-361 whose previous references by both B16.5 and B16.34 have been removed. Deleted Note 1 of Table A-360, which is now obsoleted by removal of Table A-361.

A-360, Table Revision Updated Table A-360 to reflect the adoption of B36.10M-2004

A-360, Table Revision Table A-360 has deleted Note 5, as it is no longer necessary due to previous revisions to ASMEB31.1.

A-360, Table Revision Updated Table A-360 to reflect the adoption of ASME B31.1b-2006.

Data Report Forms and Guides

Revision When Data Report Forms are provided as electronic downloads from ASME they do not print out as two sided forms as shown in the book.This action revises Data Reports Forms P-2, P-2M, P-2A, P-2A-M, P-2B, P-2B-M, P-3, P-3M, P-3A, P-3A-M, P-4, P-4M, P-4A, P-4A-M, P-4B, P-4B-M, P-7, and P-7M and the guidelines for their completion, providing a means for connecting front and back pages of the documents with one other. The specific changes for each Form are:1. On each Form, added Page (Ref. No.) of (Ref. No.). This is the page number and total numberof pages for the individual form. 2. On the second page (and third page, where applicable) of the form, added Page (Ref. No.) of (Ref. No.) to indicate the page number and total number of pages3. Deleted the word "Back" or "Back Cont’d"; and added identification information for the boiler from the first page of the form.4. On forms P-4B and P-4B-M, changed the reference to number 17 on line 1 of the form to number 18.On the Guides, the changes to the applicable Notes are:1. Added a statement to the boiler identification numbers being used ‘To be shown on all pages of Forms P-X and P-X’ as appropriate.2. Added reference number and statement ‘Show page number and total number of pages of Forms P-X or P-X’ as appropriate.3. On Guides for Forms P-4, P-4M, P-4A, P-4A-M, P-4B, P-4B-M, P-7, and P-7M, deleted the words ‘If desired’, capitalized the letter ‘T’, and changed the word ‘may’ to ‘shall’.

1827-3 Revision Revised Code Case 1827-2 for use of UNS N06600 in water-wetted service only. This material has been incorporated for steam service.

Subpart/Table: Data Report Forms


Subpart/Table: Code Cases




1855-1 Revision Revised Code Case 1855 to clarify that the Code Case Number shall be included on both the Section I and Section VIII Code stampings, as well as on the Section I and Section VIII data reports. Also clarified that the Section I data report requiring this information is the Master Data Report, regardless of the Data Report Form used.

1924-2 Revision Revised Code Case 1924-1 for use of UNS N10276 in water-wetted service only. This material has been incorporated for steam service.

2115-3 Revision Revised Code Case 2115-2 to clarify the applicability of filler metal selection restrictions for welding UNS S31042 given in paragraph (d) are for GTAW welding of circumferential butt welds only.

2159-2 Revision Annulled Code Case 2159-2 due to the material (stainless steel tubes TP347HFG) being incorporated with the 2004 Edition.

2179-6 Revision This Code Case (for using Grade 92 material) has been modified to reduce the existing maximumallowable stress values in the time dependent regime (i.e., 1050F and above) and to add a new maximum allowable stress value at 1200F for the thicker-walled components (i.e., Forgings, Pipe, and Forged Pipe). These modifications are based on a review of an extensive body of new,longer term creep rupture data that has become available since the introduction of the case. Consistent with the availability of more extensive data, the original restriction on use of the material above 1150F, as reflected in sub-paragraph (c) and Note (1) to Table 4, has been eliminated.

2180-4 Revision The Code Case (for using Grade 122 material) has been modified to reduce the existing maximum allowable stress values in the time dependent regime (i.e., 1050F and above). These modifications are based on a review of an extensive body of new, longer term creep rupture datathat has become available since introduction of the case. Consistent with the availability of moreextensive data, the original restriction on use of the material above 1150F, as reflected in sub-paragraph (c) and Note (1) of Table 4, has been eliminated.

2192-5 Revision Revised the Code Case to add restrictions on PWHT of this material, and a limited provision forrecovery if the specified temperature limits are exceeded has been included. Additional restrictions have been added to the chemistry composition to minimize the ability of deoxidizers Al, Ti, and Zr to negate the strengthening effect of nitrogen. Minor editorial changeswere made to the Inquiry and Response sections of the Case

2199-3 Revision Revised the Code Case to add restrictions on austenizing, tempering and PWHT of this material(2.25Cr- 1.6W-V-Cb). A limited provision for recovery if the specified temperature limits are exceeded has been included.

2327-1 Revision Revised the Code Case to add restrictions on PWHT of this material (9Cr-1Mo-1W-Cb). A limited provision for recovery if the specified temperature limits are exceeded has been included.Additional restrictions have been added to the chemistry composition to minimize the ability ofdeoxidizers Al, Ti, and Zr to negate the strengthening effect of nitrogen. Minor editorial changeswere made to the Inquiry and Response sections of the Case, and to Table 3.

2357-2 Revision Revised Code Case 2357 for the use of UNS N08801 for water-wetted service only. This material has been incorporated for steam service.

2474 Revision Annul Code Case 2474 due to incorporation into Section I with the 2005 Addenda.

2485 Addition Adopted Code Case 2485, permitting the use of steam drums designed and constructed to Section VIII, Division 2 in a Section I HRSG system under qualifying conditions.

2488-2 Revision Editorially corrected the reply by adding the word "in" prior to "the welded construction". Paragraph (e) of the Code Case was revised to show the same heat treatment requirements as those which already exist in ASME Section VIII for UNS S31803.

2518 Addition Adopted Code Case 2518, permitting the use of B407-04 UNS N06811, 42 Ni-29 Cr-28 Fe-Mo-N, Seamless Pipes and Tubes in Section I construction.

2520 Addition Adopt Code Case 2520, permitting the use of B 444-04, UNS N06852 solution annealed seamless pipes and tubes in Section I construction.



2556-1 Revision Revised Code Case 2556 to include Section I adoption. This case was prepared to address issues involved with Manufacturer affirmation of material properties when using ASME Codes within the context of the European Pressure Equipment Directive.

2576 Addition The Code Case permits the use of electric fusion welded pipe material conforming to SA-672 orSA-691 for Section I construction, but restricts the applications to the temperature range where the allowable stresses are controlled by the time independent criteria.



Acceptable Non-ASTM Editions

Addition Just as with ASTM specifications, the non-ASTM specifications has an applicability table showing acceptable specifications with year dates. Also, any deviations from the specification required for use in the ASME Code are also identified in this table and on the cover sheet. This table is identified as Table ED-2 and follows the ASTM table (ED-1) in the beginning of the book.

Acceptable Non-ASTM Editions

Revision Clarifies that the EN specifications, without the National Forewords and/or Annexes, are what is adopted by ASME, and the date of the specification is that of the EN specification approved by CEN and published on the first "EN" specification page.

all non-ASTM specifications

Revision Deleted the contact information of the Standard Developing Organizations where the specifications could be ordered from and referenced the same in Appendix A. Appendix A was added in the E07.

SA-204 Revision Clarified the testing responsibilities of processors of plate from coil.


SA-266 Revision Reference to a supplementary requirement in the General Requirement specification SA 788 regarding tensiontest location for hubbed tube sheets was added. [ref. VIII-1 Fig. UW-13.3]

SA-268 Revision Yield strength for S40900 revised back to 25 ksi - was 30 ksi in the -03 and 25 ksi previously.

SA-370 Revision Automated tension testing is now covered in Section 13. Section 13.2.1 was revised to clarify the description of the offset method for determining yield strength.

SA-376 Revision Modified marking requirements.

SA-387 Revision Table 1 (chemistry) revised for Grade 91 (Al revised, Ti & Zr added) - ASTM editions limited to -05 and later for Grade 91. Max for V added for Grade 9. Grade 911 was added then subsequently moved to SA-1017.


SA-479 Revision The metric yield strength was corrected for TP410.

SA-508 Revision Minimum silicon limit deleted for Grades 1 through 4N. Maximum limits applied for several elements. A revision concerning the use of AC magnetization isincluded.


SA-516 Revision Higher Mn permitted if carbon content is lowered. Footnote C to Table 1 reinstated - increasedMn for Gr 60. Clarified testing rules for plates from coils.

SA-563 Revision Grade O changed to include 1-1/2" dia fine pitch. Dimensions added for 2.250-4.5 nominal nut size.

SA-649 Revision Reference is made to MAWP instead of Maximum Allowable Operating Pressure.

SA-666 Revision Reduced tensile strength for type 201-1.


Code Book: II

Part: A

Subpart/Table: Appendices


Subpart/Table:




SA-737 Revision Editorial revisions. The "(R04)" means that ASTM reapproved the -99 specification without any changes.

SA-788 Revision Dual unit specification adopted. Includes a new requirement that the revision of SA 788 used inconjunction with a forgingproduct standard be included in the certification documentation.

SA-965 Addition This specification covers the high alloy steel forgings previously covered by SA-336.

SA/CSA G40.21 Revision Removed Type G steels. Lowered mechanical properties for 700Q and 700QT [metric] (100Q and 100QT [Imperial {US Customary}]). Only the 1992 and 2004 editions are acceptable.

all non-ASTM specifications

Addition Deleted the contact information of the Standard Developing Organizations where the specifications could be ordered from and referenced the same in Appendix A. Appendix A was added in the E07.

SB-96 Revision Amended Ni to include Co. Metric errata in Table 2 - 596 MPa revised to 500 MPa (72 ksi).

SB-111 Revision The UNS Number in Table 2 (Tensile Requirements) changed from "C70520" to "C71520" on C71500 lines.

SB-151 Revision Corrected P & S requirements for C70600 and Cu requirements for C75200. Combined US Customary & Metric version. C70620 and C71529 added.

SB-152 Revision Combined US Customary and metric version. Deleted requirement that the plate be furnished in the O25 temper.

SB-163 Revision Nondestructive electric test per ASTM B 829 permitted at the option of the material manufacturer in lieu of the hydrostatic test. Chemical check analysis tolerances referenced to ASTM B 880.

SB-169 Revision Combined US Customary & metric version.

SB-171 Revision Minor editorial revisions.

SB-209 Revision 5000-series alloys in the H116 and H321 tempers moved to SB-928. Added 5059 composition limits. Added mechanical properties for 5052-H322, 5059-O, 5059-H111 and 3105-H22, -H24,-H26 and -H28.

SB-249 Revision B 858 ammonia vaport test added as an option to the B 154 mercurous nitrate test.

SB-265 Revision Added Grades 2H, 7H, 16H, 26H, 35, 36, 37 and 38.

SB-283 Revision Fe content of alloys C46400, C48200 and C48500 changed from 0.1 5 max to 0.10 max., Al content of alloy C63200 changed from 8.5 - 11 to 8.5 - 10. and the chemistry of alloys C67600 and C65500 were changed. Alloys C37000 and C69300 were added.

SB-315 Revision For C65100, H80 changed to H50; O30 temper added. Chemistry for C63020 revised.

SB-338 Revision Added Grades 2H, 7H, 16H, 26H, 37 and 38.



SB-366 Revision Added UNS NN06035, N06058, N06210, N06686, N06219, N10242 and N10624. Set inspection requirements for stubends. This action was approved for the 2007 Edition, but was not published. It will be published in the A08 as Errata under 07-1264.

SB-367 Revision Added Grade C-38.

SB-381 Revision Added Grades F-2H, F-7H, F-16H, F-26H, F-37 and F-38.

Part: B

Subpart/Table:




SB-407 Revision Chemical check analysis tolerances referenced to ASTM B 880.

SB-423 Revision Eddy current testing in lieu of hydrotest at manufacturer's option added.

SB-435 Revision Changed N06230 Al from 0.20-0.50 to 0.50 max. Reference to ASTM B 906 General Requirements added.

SB-462 Revision The yield strength of alloy N06200 is being changed from 41ksi (283 MPa) to 45 ksi (310 MPa) - acceptable ASTM editions limited to -06 and later for N06200.

SB-462 Errata N06026 revised to N08026; N06020, to N08020. Revised C for N08020 from 0.7 to 0.07 max.

SA-494 Revision Added grades CW6MC and N3M and added UNS numbers for all grades in Table 1 Chemistry and Table 3 Mechanical properties, added heat treat for CX2M and N3M in Table 2, Added N3M, CX2M and CW6MC to par. 11.4 for PWHT. References in Table 2 changed to letters from numbers. Removed UNS numbers in par. 11.5 in favor of AWS numbers, only.

SB-505 Revision Added C89320, C93600 and C96970. Chemistries slightly modified.

SB-514 Revision Added transverse guided bend test as an option to the flattening test.

SB-515 Revision Editorial changes only. The (R2002) means that the -95 edition was reapproved by ASTM with no revisions.

SB-564 Revision The yield strength of alloy N06200 is being changed from 41ksi (283 MPa) to 45 ksi (310 MPa) - acceptable ASTM editions limited to -06 and later for N06200. UNS N06035 added. N06058 yield strength corrected by errata. Changed N06230 Al from 0.20-0.50 to 0.50 max.

SB-572 Revision Changed N06230 Al from 0.20-0.50 to 0.50 max. Chemical check analysis tolerances referencedto ASTM B 880.

SB-574 Revision The yield strength of alloy N06200 is being changed from 41ksi (283 MPa) to 45 ksi (310 MPa) - acceptable ASTM editions limited to -06 and later for N06200. UNS N06035 and N06058 added. Chemical check analysis tolerances referenced to ASTM B 880.

SB-575 Revision The yield strength of alloy N06200 is being changed from 41ksi (283 MPa) to 45 ksi (310 MPa) - acceptable ASTM editions limited to -06 and later for N06200. UNS N06035 added. Reference to ASTM B 906 General Requirements added.

SB-584 Revision Added C89510. C89836 added and chemistry revised. C87300, C93700 and C96800 chemistries revised.

SB-619 Revision The yield strength of alloy N06200 is being changed from 41ksi (283 MPa) to 45 ksi (310 MPa) - acceptable ASTM editions limited to -06 and later for N06200. UNS N06035 added. Changed N06230 Al from 0.20-0.50 to 0.50 max. Added transverse guided bend test as an option to the flattening test.

SB-622 Revision The yield strength of alloy N06200 is being changed from 41ksi (283 MPa) to 45 ksi (310 MPa) - acceptable ASTM editions limited to -06 and later for N06200. Changed N06230 Al from 0.20-0.50 to 0.50 max.

SB-626 Revision The yield strength of alloy N06200 is being changed from 41ksi (283 MPa) to 45 ksi (310 MPa) - acceptable ASTM editions limited to -06 and later for N06200. UNS N06035 added. Changed N06230 Al from 0.20-0.50 to 0.50 max.

SB-705 Revision UNS N06625 Grade 2 added. Added transverse guided bend test as an option to the flattening test.

SB-775 Revision Added transverse guided bend test as an option to the flattening test.


SB-818 Revision Reference to SB-906 General Requirements added.

SB-824 Revision editorial revisions

SB-858 Revision Converted to metric-only.


SB-862 Revision Added Grades 2H, 7H, 16H, 26H, 37 and 38. Revised filler metal references to match AWS.




SB-928 Addition 5000-series alloys in the H116 and H321 tempers moved from SB-209.

SB/EN 1706 Addition Incorporates Section IV Code Case 2382-2.

SFA-5.4 Revision Adopted AWS A5.4/A5.4M:2006 as SFA 5.4. The associated changes include adding a radiographic requirement; deleting EXXX-25, E502, E505, and E7Cr classifications; increasing the allowable silicon content for most classifications; changing from Cb to Nb in several designations; and adding new classifications: E309H-XX, E316LMn-XX, E409Nb-XX, E430Nb-XX, E2593-XX, E2594-XX, E2595-XX, and E33-31-XX.

SFA-5.5 Revision Adopted AWS A5.5/A5.5M-2006 as SFA-5.5. The associated changes include adding classifications E9010-P1, E8018-P2, E9018-P2, E8045-P2, E9045-P2, E10045-P2; and permitting use of appropriately alloyed base metal in the preparation of test assemblies.

SFA-5.9 Revision Adopted AWS A5.9/A5.9M-2006 as SFA-5.9. Associated changes include deleting classifications ER502 and ER505; adding new requirements for identification of straight length rods; changing from Cb to Nb in one classification; and adding new electrode classifications ER316LMn, ER439, ER2594, and ER33-31.

Guideline on Locating Materials in Stress Tables...

Revision Revised the "Guideline on Locating Materials in Stress Tables, and in Tables of Mechanical and Physical Properties", to address the new Tables 5A and 5B in Section II, Part D (II-D), for the revised allowable stress values for Section VIII, Division 2 (VIII-2).

Appendix 2, 2-110(f) Addition This paragraph explains the purpose behind the "E" Notes associated with some stress lines.

Appendix 5 Revision Clarifies that the EN specifications, without the National Forewords and/or Annexes, are what is adopted by ASME.

Appendix 10 Addition Created a new Appendix 10 starting with the 2007 Edition for the VIII-2 rewrite. This Appendix parallels Appendix 2 but for the new VIII-2 criteria for determining the stress values for Tables 5A and 5B.

3Cr-1Mo-0.25V-Cb-Ca for VIII-1

Addition Added SA-182 Gr F3VCb, SA-336 Gr F3VCb, SA-508 Gr 3VCb, SA-541 Gr 3VCb, SA-542 Gr E Cl 4a and SA-832 Gr 23V to Tables 1A, U and Y-1 with the same values as for 3Cr-1Mo-0.25V-Ti-B, and to the Notes of Tables TE-1, TCD and TM-1, for VIII-1 use to 900F/482C. Code Case 2151-1 will be revised to VIII-2 only.

Part: C

Subpart/Table:


Part: D

Subpart/Table: Appendices


Subpart/Table: All Tables




Copper Alloys and Tempers

Addition An informal survey was made of the copper industry and the Manufacturers that use copper alloys to determine the tempers that are allowed by the material specification and are produced by the industry. In many cases, only the annealed (O25 or O61) temper was explicitly permitted in II-D. This action adds to Table 1B all tempers for the following materials: SB-152-C10400/C10500/C10700/C11000/C12200/C12300, SB-187-C11000, and SB-359-C12200, but conservatively assigns them the lower annealed allowable stresses. In Table 5B, SB-187-C11000-H04 was added. The corresponding changes to Tables U & Y-1 were done.

The diameter limit for SB-42-C12200 was also increased to 3".

Interpolation and rounding rules

Revision Added a rounding procedure to the interpolation rules in Tables 1A General Note (b), 1B General Note (b), 3 General Note (a), and U-2 General Note (c); and added interpolation and rounding rules in Tables 2A General Note (d), 2B General Note (d), 4 General Note (e), U General Note (e), and Y-1 General Note (f)

N06200 for VIII-1 Revision Under separate item numbers, the adoption of ASTM specifications as ASME specifications included a raise in the minimum specified yield strength of N06200 from 41 ksi (283 MPa) to 45 ksi (310 MPa). This revision effects the increase in the Tables 1B and Y-1 values.

N06625 for VIII-1 & XII Revision The proper specification, grade, temper, and tensile/yield strength combinations are associated with the proper stress values for alloy N06625 in Tables 1B, U and Y-1, in US Customary and Metric tables.

S31277 for VIII-1 Revision Deleted SA-182 S31277 from Section II, Part D, Tables 1A, U, and Y-1 since UNS S31277 is not published in SA-182.

S32906 for VIII-1 & XII (29Cr-6.5Ni-2Mo-N)

Addition Incorporated stress values for this duplex stainless steel for VIII-1 and XII applications up to 600F (316C) into Tables 1A, U, and Y-1 in US customary and metric units. Approved external pressure chart assignment of HA-5. Please note that it was inserted at the end of Table 1A, at the end of the austenitic stainless steels list. Incorporation into VIII-2 will be under a separate action.

S39274 for VIII-1 & XII Addition Added S39274 (25Cr-7Ni-3Mo-W-Cu-N) duplex stainless steel in forging and seamless & welded pipe & tube product forms for VIII-1 & XII use up to 650F/343C.

SA-182 S31050 (F310MoLN) for VIII-1, VIII-2 & XII

Addition Added SA-182 F310MoLN, UNS S31050 (25Cr-22Ni-2Mo-N) austenitic stainless steel to Tables 1A, 2A, U, and Y-1 for VIII-1, VIII-2 & XII to 600F/316C

SA-193 S41000 (B6) for I, VIII-1, VIII-2 & XII

Revision Allowable stresses increased by 0.1 ksi / 1 MPa in Table 3.

SA-240/SA-666 S20100 (201-1) for VIII-1 & XII

Revision Revised Tables 1A, U, and Y-1 under SA-240 and SA-666 to correct information for UNS S20100 (17Cr-4Ni-6Mn) austenitic stainless steel due to reduced tensile strength values which were adopted in the updated Specifications. Some stresses are reduced over 20%.

SA-268 S40900 (TP409) for VIII-1 & XII

Revision With the adoption of ASTM A 268/A 268M-04, the yield strength for UNS S40900 (TP409, 11Cr-Ti) was lowered from 30 ksi to 25 ksi. The allowable stresses in Table 1A, yield strengths in Table Y-1 and external pressure chart reference are accordingly adjusted. The allowable stresses are reduced 17%.

SA-487 J13005 & J13047(2A, 2B, and 4A)

Errata P No. 10, Group No. 1 corrected to P No. 3, Group No. 3 as correctly shown in Table QW/QB-422 of Section IX

SA-738 Grade B Revision Revised Section II, Part D, Tables 1A, 5A, U, and Y-1, both US Customary and Metric Editions to correct the UNS number for SA-738 Grade B from "..." to K12007.

SA-738 Grade C Revision Editorial Revisions to Correct the UNS Designation for SA-738 Grade C in Tables 1A, 5A, U, and Y-1.

SA-965 Revision This specification covers the high alloy steel forgings previously covered by SA-336. All such references to SA-336 are revised to SA-965.



SB-209/SB-928 A95xxx Revision 5000-series alloys in the H116 and H321 tempers moved to SB-928. All tables were revised accordingly.

SB-265 R50250 (Ti Gr 1) for I, III & VIII-1

Revision Adoption of ASTM B 265-05 as SB-265 in the 2006 Addenda reduced the yield strength from 25 to 20 ksi minimum. These changes to 1B & Y-1 and NFT-3 are necessary to keep the design values consistent with the material properties. This results in a 20% reduction in allowable stress.

SB-265 R52250, R52252 and R52254 (Ti Grades 11, 17, and 27) for VIII-1

Revision Corrected the Tables 1B and Y-1 values for SB-265 UNS R52250, R52252, and R52254 (Ti Grades 11, 17, and 27) due to the adoption of ASTM B 265-05 in the 2006 Addenda which reduced the yield strength for these grades from 25 to 20 ksi minimum. These changes are necessary to keep the design values consistent with the material properties. This results in a 20% reduction in allowable stress.

SB-333 N10001 and N10665

Revision delineated between plate, sheet and strip

Tables 1A & 1B Notes for XII

Revision In Tables 1A and 1B (US Customary and Metric), applicability to Section XII was added where appropriate. The following Notes were revised thus: Table 1A: (c), (d), (e), G1, and W14; and Table 1B: (c), (d), G13, G15, W12, and W15.

Tables 2A & 2B for III-1 & VIII-2

Revision Starting with the 2007 Edition, Section II, Part D has new tables for design stress intensities for Section VIII, Division 2 using the new criteria developed during the rewrite. Since these materials were previously listed in Tables 2A and 2B, there would be remaining some stress lines in Tables 2A and 2B that were for VIII-2 only and would now only read "NP" for III-1. This item cleans up those unused stress lines. The title is also revised to delete reference to VIII-2.

Tables 5A & 5B for VIII-2

Addition Starting with the 2007 Edition, Section II, Part D has new tables for design stress intensities for Section VIII, Division 2 using the new criteria developed during the rewrite. The listing of values includes all materials for which applicability for VIII-2 was provided in the 2004 Edition,2006 Addenda; proposals previously approved for inclusion in the 2007 Edition are also included in this listing. The applicability temperature is the maximum as permitted by VIII-2 or VIII-1 for that material, thus allowing VIII-2 to go into the creep range, which was previously permitted under Code Case 1489-2. Due to missing the publication due date, these Tables are only published on the internet at the url address indicated on the page where these Tables were to be published (pp. 390-485). The Tables will be published in hardcopy for the 2008 Addenda.

Tables 5A & 5B Notes for VIII-2

Addition Starting with the 2007 Edition, Section II, Part D has new tables for design stress intensities for Section VIII, Division 2 using the new criteria developed during the rewrite. The associated Notes were culled from existing II-D Tables 1A, 1B, 2A, and 2B for the materials approved for Section VIII, Division 2 use. The "T" Notes were adjusted appropriately for any revised intersection points between the time-independent and time-dependent values. Due to missing the publication due date, these Notes are only published on the internet at the url address indicated on the page where these Tables were to be published (pp. 390-485). The Tables will be published in hardcopy for the 2008 Addenda.

Note H6 Errata In the A06, several high-silicon stainless steels were added. The revision included a proposal toadd a new Note H6 to restrict the heat treatment of S30600, S30601, and S32615. This new note was not added and the proper note H6 replaces the current Note H6 which is incorrect.

S31803 for I Addition Allows the use of S31803 ("2205") duplex stainless steel to 600F/316C.

SA-333 K03006 (Gr 6) for I

Revision Added permissible use temperature for Section I to 700F/371C on seamless and welded stress line. Added new stress line for welded pipe with 0.85 factor. Incorporates Code Case 2056-1.

Subpart/Table: Table 1A




SA-562 for XII Revision Revised the applicability temperature of SA-562 to "NP" for Section XII. This is a specification for steel plates for glass lined pressure vessels that had no use in Section XII construction.

SA/AS 1548 for I & VIII-1

Revision Added stress lines to identify grade and condition for as-rolled, annealed and normalized conditions for SA/AS 1548. All 3 conditions have the same allowables, but as-rolled is limited to 1-1/2" (38mm).

Copper Alloys Revision Additional stress lines were added to include all tempers permitted by the specification. The Class/Condition/Temper and Size/Thickness columns in Table 1B were revised to match the SB specifications. Yield strengths were deleted for those specifications that do not have a yield strength.

N08904 for III-1 Revision Added N08904 in all product forms in addition to seamless pipe & tube to Table 1B to incorporate Code Case N-637 for Section III-1, Classes 2 and 3 construction to 700F/371C

N10242 for VIII-1 Addition Incorporated Code Case 2319-2

SB-705 N06625 Revision With the adoption of ASTM B 705-05, UNS N06625 Grade 2 added. The allowable stresses inII-D are based on Grade 1 properties.

Welding Notes for VIII-1 & XII

Revision This item corrects several stress lines for welded pipe and tube in which a note W12 (indicating that a 0.85 joint efficiency must be applied for Section VIII-1) or G14 (the 0.85 factor has already been applied) was missing. The W12 Note was added to SB-535-N08330 and SB-658-R60702 & R60705, which results in a 15% reduction in allowable stresses.

Note G16 for III-1 Revision This Note refers to Section III, Division 1, Appendix G, G-2110(b) as a Code user convenience but is not assigned to other lines where it would be appropriate. Rather than adding it to all lines where it should be, it is deleted and the construction Code requirements would indicate its proper use. Note G16 was the number in the A06; with the new Table 5A, all Notes are renumbered.

SA-320-B8 for VIII-1 & VIII-2

Revision Extended the temperature range for SA-320-B8 bolting material to values warmer than the current 100F limit up to the current limit for the same grade for the SA-193 specification.

SA-437 B4C Revision Allowable stresses increased by 0.1 ksi / 1 MPa

SA-564 Gr.630 H1150 forVIII-1 & VIII-2

Revision Permitted SA-564 Gr.630 H1150 for use as bolting for VIII-1 and VIII-2 to 650F/343C. Incorporated and annulled VIII-1 Code Case 2521.

SB-564 for VIII-1 Revision Approved allowable stress values for SB-574 UNS N10276 bolting material up to 1250F (677C) for VIII-1 applications.

Subpart/Table: Table 1B


Subpart/Table: Table 2A


Subpart/Table: Table 3




SA-736, Grade A, Classes1, 2, and 3 for VIII-3

Addition Added SA-736, Grade A, Classes 1, 2, and 3 to Table Y-1 for VIII-3 use to 650F/350C

SA/EN 10028-2 P295GH Errata 6 to 13 mm line corrected to 38 to 57 mm

Table TE-1 Revision Added Thermal Expansion Values for A 286 (UNS S66286, 25Ni-15Cr-2Ti) material by assigning it to Group 4 in Table TE-1.

Table TM-1 Errata 20Cr-6Ni-9Mn changed to 21Cr-6Ni-9Mn in Group G

NFT-4, Fig. & Table Revision "B" values lowered to a maximum of 1/2 of the yield strength. Note: the Table NFT-4 values were revised, but not Figure NFT-4; an Errata should be processed for the A08.

NFT-5, Fig. & Table Addition Developed a new external pressure chart and table based on data submitted for alloy UNS R53400 (Ti Gr. 12)

Note 13 for Ti & Zr EPC's

Addition Added Note 13 and references to it in the Ti and Zr external pressure charts. This revision reflects tests that have shown that titanium bar product (unidirectionally worked) can have a lower elastic modulus than exhibited by sheet or plate.

Subpart/Table: Table Y-1


Subpart/Table: Subpart 2


Subpart/Table: Subpart 3




NCA-3126(c) Addition This new paragraph allows Certificate Holders or Material Organizations to accept accreditation by NVLAP, A2LA, or ILAC MRA, as an alternative to survey and audit of suppliers of subcontracted calibration services and details the requirements. This alternative is already permitted in 10CFR Part 50 Appendix B Quality Assurance Programs. Previous subparagraph (c) is now designated as (d).

NCA-3252 (a) (6) Addition Deletion of Note G16 to Table 2A of ASME Section II Part D has resulted in the need to supply fracture toughness data when Appendix G methods are used for non-ductile fracture evaluation. The specifics are identified in this addition. Previous subparagraphs (a)(6) and (a)(7)are redesignated as (a)(7) and (a)(8), respectively.

NCA-3855.3(c) Addition Paragraph restates new alternative under NCA-3126 to allow Certificate Holders or Material Organizations to accept accreditation by NVLAP, A2LA, or ILAC MRA, in lieu of survey and audit of suppliers of subcontracted calibration services, and details the requirements. Former NCA-3855.3 (c) is now redesignatedas NCA-3855.3 (d).

NCA-8100-1, Table - Note (10)

Errata Note (10), which refers to groups of 25 braided flexible hoses reported on a single Data Report, does not apply to NS Certificate Holder - Supports and was removed.

NCA-9200 Revision The definitions for these supports have been added.

Code Book: III

Part: NCA

Subpart/Table:




Appendix XI Errata XI-3130: Value of C[sub b] corrected; Table XI-3221.1-2 and Table XI-3240-1: Corrections to Equations (33), (34) and (36).

Appendix B Revision Appendix B has been editorially revised at 27 different locations (Articles B-1000, B-2000, B-4000, B-5000, B-6000 and B-10000) to bring it up-to-date with current Code. In addition, Article B-11000, "Reference List of Regulatory Requirements" was deleted.

Appendix G Revision Replaces most existing rules in previous Section III Appendix G "Protection Against Nonductile Failure" with the Section XI Appendix G rules, "Fracture Toughness Criteria for Protection Against Failure", with minor exceptions. Articles G-1000 and G-2000 have been revised. Articles G-3000 and G-4000 are deleted.

Appendix N Errata Corrects several values and formulae. See N-1451, N-1451.5, N-1451.6 and N-1460.

Appendix R Errata All corresponding SI unit (deg C) temperatures are corrected.

Appendix W Errata Corrected "TOSCC" with "TGSCC" in W-2110; also corrected typographical errors in W-2130.

Appendix BB Addition Adopt new Nonmandatory Appendix BB - "Metallic Braided Flexible Hose for Class 2 and 3 Service". This appendix incorporates many of the provisions of Code Case N-192 and is referred to in new Section III Division 1 paragraphs NC/ND-3649.5.

N-201-4 Revision The Subcommittee on Materials approved adoption of the new ASTM specificaton A 965-99 as SA-965. This specification covers the high alloy steel forgings previously covered by SA-336. The new SA-336 will cover only the low alloy steels, as previously contained therein.

N-253 Revision The Subcommittee on Materials approved adoption of the new ASTM specificaton A 965-99 as SA-965. This specification covers the high alloy steel forgings previously covered by SA-336. The new SA-336 will cover only the low alloy steels, as previously contained therein.

N-284-2 Revision Corrections resolve all known errors in this case that have occurred over multiple publication cycles.

N-572 Revision This code case has been annulled because the materials that it covered have been included for Section III use.

N-756 Addition The Code Case provides rules for use of instrument, control and sampling line valves, NPS 1 (DN 25) and smaller, with nonwelded piping end connections other than ASME B16.5 flanges for Section III, Division 1, Class 1 construction.

N-759 Errata Fig. 1.4.2 (a) and Nomenclature (page 5) - Corrected previous variable from "L[sub t]" to "Lt".

Code Book: III-1

Part: Appendices

Subpart/Table: Mandatory Appendices


Subpart/Table: Nonmandatory Appendices


Part: Code Cases





N-759 Addition This Code Case adopts the methodology for external pressure designs for cylinders, cone, spheres and formed heads based on Section VIII-1 Code Case 2286. The methodology is more calculation intensive than the standard external pressure calculations, but yields a more precise, and in many cases, less conservative result. In addition the case provides a method for evaluating vessels under different combinations of loads. These rules are in lieu of NX-3133 & NX-3922.

NB-2126.2 Addition Paragraph heading revised and subparagraphs renumbered. NB-2126.2 incorporates the provisions from Code Case N-160-1 for welded finned tubing of P-No. 1 and P-No. 8 materials.

NB-2332(a)-1, Table Errata Table NB-2332(a)-1 appeared in the 2004 Edition, but was removed in a subsequent Addenda by mistake.

NB-2431.1(b) Errata The erroneous reference to "Section IX, QW-2a" has been removed.

NB-2547(f) Revision NB-2547(f) was added to address alternative of Code Case N-329. This change permits surface examination of final machined tube plugs for heat exchangers for bar material 1 in. (25 mm) and less in diameter.

NB-3215(b)(6) Errata Editorial correction to include a line break.

NB-3222.4(c) Errata Reference changed from "(e)(4)" to "(e)(5)".

NB-3226(c)(2) Errata In the second line below equation (2), the word "regular" is replaced by "rectangular".

NB-3227.1(b)(1) Errata Referenced ASME Section II Part D Notes changed to "Note G7 of Table 2A" and "Note G1 ofTable 2B".

NB-3655.2(a) Revision The effects of MAM , another motion from reversing dynamic loads (see NB-3656(b)(4)), are addressed.NOTE: MAM is called "anchor motion" in NB-3656(a)(3).

NB-3656(a)(3) Revision The effects of MAM , anchor motion from reversing dynamic loads (see NB-3656(b)(4)), are added.NOTE: MAM is called "another motion" in NB-3655.2(a).

NB-3656(b)(4) Revision The revision directly applies 6Sm and Sm limits to the SAM stresses, eliminating the use of the S1 and S2. An editorial change replaces "Mam" with "MAM" and "Fam" with FAM".

NB-3658.1(b) Errata SI Equations (15) and (16) constants previously shown as "3,125" and "6250", respectively, arecorrected to "21.7" and "43.4", respectively.Also, the SI unit for the quantity "M[sub fd]", (N mm), has been added.

NB-3658.2 (b) Errata SI Equation (17) constant previously shown as "11,250" is corrected to "78.1".

NB-3681(a)-1, Table Addition Added Note (1) requirements for primary stress indices for 50< Do/t = 100. Primary stress indices now have the same upper limits as secondary and peak stress indices and stress intensification factor. See NB-3683.2(c).

NB-3683.2(c) Addition Added for Products and Joints with 50< Do/t = 100, the B1index in Table NB-3861(a)-1 is valid. The B2 Index shall be multiplied by the factor 1/(XY).

Part: NB

Subpart/Table: Article NB-2000






NB-4232-1, Table Errata Corrected the previous value of "1-1/6 t" to "1/16 t" for longitudinal joints with a section thickness of Over 2 in. (50 mm).

NB-4350 Addition Adds that tube-to-tubesheet weld procedures are to be qualified per ASME Section IX, QW-202.6, using a demonstration mock-up in accordance with QW-193. The weld throat shall be not less than two-thirds the specified tube wall thickness. In addition, welders and welding operators shall be qualified per QW-303.5.

NB-4367(b) Revision Correct (current) ASTM Standard - E 883-99 has replaced previous E 2. In addition, magnifications have been restated in the form "10X" and "15X".

NB-4440-1, Fig. Errata "t[sub cr min]" shown below Joint 4 is corrected to "t[sub c sub r min]".

NC-5370 Revision Paragraph deleted. Acceptance standards of ASTM Standard - E 883-99 have been incorporatedinto NC-4637(b).

NC-2122(b) Addition In addition to the tensile testing required by the material specification, forgings produced for flatheads and tubesheets with integrally forged hubs, for butt welding to the adjacent shell, head or other pressure part, shall have tensile tests performed in accordance with NC-4243.1. The tensile test specimen shall be located in accordance with NC-4243.1 and Fig. NC-4243.1-1.

NC-2126.2 Addition This subparagraph incorporates the provisions from Code Case N-160-1 for welded finned tubing of P-No. 1 and P-No. 8 materials.

NC-2431.1(b) Errata The reference to "Section IX, QW-201.1" has been removed.

NC-3642.1(c)-1, Table Errata Removed "in. (mm)" designation in heading of "Radius of Bends" column.

NC-3649.2(f) Errata Added NPS designators and correct SI units for flow velocity.

NC-3649.5 Addition Added that metallic braided flexible hoses may be constructed in accordance with Appendix BB of Section III, Division 1.NOTE: The "Summary of Cahnges" to Subsection NC, page xxxiii, incorrectly shows the BC# as 06-351.

NC-3654.2 (a) Revision The effects of MAM , anchor motion from reversing dynamic loads (see NC-3655(b)(4)), are addressed.



Part: NC

Subpart/Table: Article NC-5000








NC-3655(a)(3) Revision The effects of MAM , anchor motion from reversing dynamic loads (see NC-3655(b)(4)), are added.

NC-3655(b)(4) Revision The revision directly applies 6Sm and Sm limits to the SAM stresses, eliminating the use of the S1 and S2. An editorial change replaces "Mam" with "MAM" and "Fam" with FAM".

NC-3658.3(a)(2) Errata SI Equations (12) and (13) constants previously shown as "3,125" and "6250", respectively, arecorrected to "21.7" and "43.4", respectively.

NC-3658.3(b)(2) Errata SI Equation (17) constant previously shown as "11,250" is corrected to "78.1".

NC-3673.2(b)-1, Fig. Revision Note (3): Added for Products and Joints with 50< Do/t = 100, the B1index in Fig. ND-3673.2(b)-1 is valid. The B2 Index shall be multiplied by the factor 1/(XY)."X" and" Y" are established in the Note.

NC-3673.2(b)-1, Fig. Errata Exponent in the denominator corrected from "2/3" to "3/2".

NC-3673.2(d) Errata Added SI Units formula to calculate the value of "iS".

NC-3855.1 Errata Corrects the units for the symbols: D [ft (m)], P [lb/ft2 (kPa)], and R [ft (m)].

NC-3855.2 Errata Corrects the following: Footnote 38 - SI value to from "120 kg/m2" to "1.2 kPa".

NC-3855.2(b)(1) Errata Corrects the following: NC-3855.2(b)(1) - US Customary Units Minimum tr denominator from "4800 sin ·" to "400 sin ·";

NC-3855.2(c) Errata Corrects the following: NC-3855.2(c) - SI Units denominator from "0.48 sin ·" to "0.43 sin ·".

NC-3856.2(b)(1) Addition Adds SI Units Minimum/Maximum plate thickness.

NC-3856.2(c) Errata Corrects SI Units denominator from "0.24" to "0.216".

NC-4243.1-1, Fig. Errata Radius "r" now appears in Fig. NC-4243.1-1(d) and (e).

NC-4350 Addition Adds that tube-to-tubesheet weld procedures are to be qualified per ASME Section IX, QW-202.6, using a demonstration mock-up in accordance with QW-193. The weld throat shall be not less than two-thirds the specified tube wall thickness. In addition, welders and welding operators shall be qualified per QW-303.5.

NC-4367(b) Revision Correct (current) ASTM Standard - E 883-99 has replaced previous E 2. In addition, magnifications have been restated in the form "10X" and "15X".

NC-4368 Revision Clarifies that welding operators shall qualify using the same type and model of equipment, including the welding head, as the machine or machines that will be used to make production welds.

ND-2122(b) Addition In addition to the tensile testing required by the material specification, forgings produced for flatheads and tubesheets with integrally forged hubs, for butt welding to the adjacent shell, head or other pressure part, shall have tensile tests performed in accordance with ND-4243.1. The tensile test specimen shall be located in accordance with ND-4243.1 and Fig. ND-4243.1-1.

ND-2126.2 Addition This subparagraph incorporates the provisions from Code Case N-160-1 for welded finned tubing of P-No. 1 and P-No. 8 materials.



Part: ND

Subpart/Table: Article ND-2000




ND-2431.1(b) Errata The reference to "Section IX, QW-201.1" has been removed.

ND-3645(c) Errata Nonmandatory Appendix Y "may" be used as an evaluation method. Previously, the word "shall" was indicated.

ND-3649.5 Addition Added that metallic braided flexible hoses may be constructed in accordance with Appendix BB of Section III, Division 1.

ND-3654.2 (a) Revision The effects of MAM , anchor motion from reversing dynamic loads (see ND-3655(b)(4)), are addressed.

ND-3655(a)(3) Revision The effects of MAM , anchor motion from reversing dynamic loads (see ND-3655(b)(4)), are added.

ND-3658.3(a)(2) Errata SI Equations (12) and (13) constants previously shown as "3,125" and "6250", respectively, arecorrected to "21.7" and "43.4", respectively.

ND-3658.3(b) Errata SI Equation (17) constant previously shown as "11,250" is corrected to "78.1".

ND-3673.2(b)-1, Fig. Errata Exponent in the denominator corrected from "2/3" to "3/2".

ND-3673.2(b)-1, Fig. Revision Note (3): Added for Products and Joints with 50< Do/t = 100, the B1index in Fig. ND-3673.2(b)-1 is valid. The B2 Index shall be multiplied by the factor 1/(XY)."X" and" Y" are established in the Note.

ND-3855.1 Errata SI Unit for "f" corrected from "kPa" to "MPa".

ND-3855.2(b)(1) Errata Corrects the following: ND-3855.2(b)(1) - US Customary Units Minimum tr denominator from "4800 sin ·" to "400 sin ·";

ND-3855.2(c) Errata Corrects the following: ND-3855.2(c) - SI Units denominator from "0.48 sin ·" to "0.43 sin ·".

ND-4350 Addition Adds that tube-to-tubesheet weld procedures are to be qualified per ASME Section IX, QW-202.6, using a demonstration mock-up in accordance with QW-193. The weld throat shall be not less than two-thirds the specified tube wall thickness. In addition, welders and welding operators shall be qualified per QW-303.5.

ND-4351 Revision Paragraphs NB-4351 through ND-4358.2 "Special Qualification Requirements for Tube-To-Tubesheet Welds" are deleted. The requirements are now found in ND-4350.

NE-2121(a)-1, Table Revision The Subcommittee on Materials approved adoption of the new ASTM specificaton A 965-99 as SA-965. This specification covers the high alloy steel forgings previously covered by SA-336. The new SA-336 will cover only the low alloy steels, as previously contained therein.

NE-2121(a)-1, Table Revision SA-430 Grades FP304 and 304H have been deleted. The material was deleted from ASME Section II Part A with the 2006 Addenda.





Part: NE

Subpart/Table: Article NE-2000




NE-2122(b) Addition In addition to the tensile testing required by the material specification, forgings produced for flatheads and tubesheets with integrally forged hubs, for butt welding to the adjacent shell, head or other pressure part, shall have tensile tests performed in accordance with NE-4243.1. The tensile test specimen shall be located in accordance with NE-4243.1 and Fig. NE-4243.1-1.

NE-2431.1(b) Errata The reference to "Section IX, QW-201.1" has been removed.

NE-3133.2 Errata The reference to "Section II, Part D, Subpart 2" has been corrected to "Section II, Part D, Subpart 1".

NE-3134 Errata The following have been corrected:NE-3134.1 and NE-3134.2 - Previous references to "Subpart 2" are changed to "Subpart 1";NE-3134.2 - Previous reference to "Table U" is changed to "Table TCD";NE-3134.6 - Previous reference to "S[sub m]" in the 4th line is changed to "S".

NE-3227.1(b)(1) Revision "Note (2)" was changed to "Note (G5)".

NE-3227.3 Errata The previous reference to "Section II, Part D, Subpart 2, Table Y-1" in the last line is corrected to "Section II, Part D, Subpart 1, Table Y-1".

NE-3228.2 Errata The reference to Note (2) in Tables 2A and 2B of Section II, Part D, Subpart 1 has been corrected to read "Table 2A to which Note G7 is applicable andTable 2B to which Note G1 is applicable." Also, "Subpart 2" previously noted in the last line iscorrected to now read "Subpart 1".

NE-4243.1 Addition Added Footnote 1, which states "One test specimen may represent a group of forgings, provided they are of the same nominal dimensions, from the same heat of material, the same heat treatment lot, and forged in the same manner."

NF-1132-1(g), Fig. Errata Dotted lines extended.

NF-1214-1, Fig. Errata Complete line added to "Welded Attachment".

NF-2121(a)-1, Table Errata Added a reference to Table Y-1 in Table NF-2121(a)-1, and clarified sources of referenced Tables.

NF-2222.1 Errata SI value for 42,000 lbs was corrected to 19 000 kg.





Part: NF

Subpart/Table: Article NF-1000






NF-2224 Errata Subject Title added. "Location of Coupons" moved to header of NF-2224.1.

NF-2311(b)-1, Fig. Errata SI value for 80 deg.F. corrected from 30 deg.C. to 27 deg.C..

NF-2311(b)-1, Table Errata SI Value for 0 deg.F. corrected from minus 20 deg.C. to minus 18 deg.C.

NF-2311(b)(1) Errata SI value for 5/8 in. (16 mm) added..

NF-2351(b)(3) Errata SI value for 5 ft-lb. corrected from 6.8 J to 7 J.

NF-2431.1(b) Errata The reference to "Section IX, QW-201.1" has been removed.

NF-3256.2(b) Errata "Table NF-3562(b)-1" now corrected as "Table NF-3552(b)-1".

NF-3322 Errata 20 Subparagraphs under NF-3322.1, NF-3322.2, NF-3322.4 and NF-3322.6 are corrected. Most errata highlighted, without change, SI Unit equations to be used, and provided for editorialcorrections.

NF-3322.2(e)(5) Errata The denominator for "C'c" is changed from "Q[sub s]Q[sub a]S[sub y]" to "QS[sub y]".

NF-3324.2(b)(5) Errata SI unit for "M" corrected from "(N-m)" to "(N-mm)".

NF-3324.3(b)(1) Errata SI unit formula "0.016 (t-6)" added.

NF-3412.2 Errata Restored "variability factor" equation and recommended minimum value 0.25, previously deleted in error.

NF-4232-1, Table Errata Corrected the last two lines of the table. The "2 in." values were repalced by "6 in. (150 mm)" and "the lesser of 1/8 t or" was removed.

NF-4622.1-1, Table Errata Corrected SI value from"(1 hr./ 25mm)" to "(2 min/mm)" for P-Nos. 1 and 3, 4th column.

NF-4622.7(b)-1, Table Revision Corrected entries for P-No. 10C Gr. 1 materials.

NF-5521(a) Errata Paragraph reference corrected to "NCA-3861(a)(1)"

Appendix NF-A-1311 Errata Units "in., (mm)" added for values "R[sub B]" and "R[sub T]".

Appendix NF-B Errata The title of Appendix NF-B and NF-B-1200 were corrected to remove dashes from "plate-", "shell-" and "linear-".

Appendix NF-B-1200 Errata Deleted dashes from "Plate-, Shell-, and Linear-" in title and in lines 3 and 4 of the text of NF-B-1200.











Appendix NF-D Addition Relocated information from Appendix K into Nonmandatory Appendix NF-D, improving its useability, and adding tolerance details.

Appendix NF-D-1320(c)(2)

Errata Added units "(in.)", SI values "(3 mm)" and statement "Squareness of cut 1 deg. not to exceed 1/8 in. (3 mm) offset."

Appendix NF-D-1330-1, Table

Errata Under "Total Tolerance" column, "VII. Miscellaneous Tolerances A)" row: added "±"symbol to first "1/8 in." value; and, "VII. Miscellaneous Tolerances C)" row: added "-" before "1/8 in." and "1/4 in." values.

NG-2431.1(b) Errata The reference to "Section IX, QW-201.1" has been removed.

NG-2585 Errata "NPS 4 (DN 100)" corrected by "4 in. (100 mm)" in second line.

NG-3227.1(b)(1) Errata Referenced ASME Section II Part D Notes changed to "Note G7 of Table 2A" and "Note G1 ofTable 2B".

Appendix I, I-14.1(a), Table

Revision The Subcommittee on Materials approved adoption of the new ASTM specificaton A 965-99 as SA-965. This specification covers the high alloy steel forgings previously covered by SA-336. The new SA-336 will cover only the low alloy steels, as previously contained therein.

Appendix T, T-1331(a) Revision Subsequent evaluation of Test B-1, used to satisfy certain strain limits, has shown that the test is not applicable in the presence of significant peak stresses from any source. T-1331(a) has been changed to relect this.

Part: NG

Subpart/Table: Article NG-2000


Subpart/Table: Article NG-3000


Part: NH







CC-5111 Revision Revised CC-5111to correct reference from "T-285" to read "T-274.2"

Code Book: III-2

Part: CC

Subpart/Table: CC-5000




Subsections WA & WB Revision This makes changes in Subsection WA to address the unique Design and Operating Loadings differences between Section III Division 1 and Division 3. It also more clearly identifies the interface with the requirements established in WB-3000 and WC-3000.

WA-1110 Revision Revised Footnote (1); Added Footnote (2) - Rules for internal support structure are under development.

WA-1130(b) Addition Revised wording to state that these rules are intended to be applicable to any item that serves a containment or internal support function.

WA-2121(b) Addition Added Footnote (1) to indicate that stated operating conditions apply only to Subsection WC storage containments.NOTE: The text shows the footnote to "normal" conditions; however, BC#06-414 indicates thefootnote to be associated with "off-normal" conditions.

WA-2122(a) Revision References changed from "WB-3220, WC-3220" to "WB-3225, WC-3218".

WA-2123(c) Addition Added reference to Footnote (1) for off-normal loadings and conditions.

WA-2123.1(b) and (c) Revision Subparagraph (b) - Deleted "mean". Text now applies to "maximum metal temperature".Subparagraph (c) - Completely revised.

WA-2123.4(b) Addition Added reference to Footnote (2) and that Level C Service Limits are applicable only to Subsection WC storage containment. Footnote (1), stating that Level B Service Limits are not used in this Division, has been deleted and the wording incorporated as the first sentence of newFootnote (2).

WA-3123 Addition Paragraph restates new alternative to allow Certificate Holders or Material Organizations to accept accreditation by NVLAP, A2LA, or ILAC MRA, in lieu of survey and audit of suppliers of subcontracted calibration services, and details the requirements.

WA-3810 Addition WA-3800 is brought into agreement with NCA-3800. Certificate Holders, Material Organizations, and Approved Suppliers are clarified in WA-3810.

WA-3811 Addition Added Limitations applicable to Approved Suppliers and consistent with NCA-3855.3.

WA-3812 Addition Wording in previous edition paragraph WA-3810 is now designated as WA-3812.

WB-2431.1(b) Errata The reference to "Section IX, QW-201.1" has been removed.

WB-4232-1, Table Errata Corrected the previous value of "1/16 t or 3/8 in. (10 mm)" to "1/8 t or 3/4 in. (19 mm)" for circumferential joints with a section thickness of Over 2 in. (50 mm).

WB-4367(b) Revision Correct (current) ASTM Standard - E 883-99 has replaced previous E 2. In addition, magnifications have been restated in the form "10X" and "15X".

WB-4368 Revision Clarifies that welding operators shall qualify using the same type and model of equipment, including the welding head, as the machine or machines that will be used to make production welds.

Code Book: III-3

Part: WA

Subpart/Table:


Part: WB

Subpart/Table:




WB-5111 Revision Revised WB-5111to correct reference from "T-285" to read "T-274.2"

WC-2122(b) Addition In addition to the tensile testing required by the material specification, forgings produced for flatheads and tubesheets with integrally forged hubs, for butt welding to the adjacent shell, head or other pressure part, shall have tensile tests performed in accordance with WC-4265(d). The tensile test specimen shall be located in accordance with WC-4265(d) and Fig. WC-4265-3.

WC-2431.1(b) Errata The reference to "Section IX, QW-201.1" has been removed.

WC-5111 Errata Corrects previous ASME Section V reference from "T-285" to "T-274.2".

Part: WC

Subpart/Table: WC-2000


Subpart/Table: WC-5000




HG-400.1(b) and HG-400.2(d)

Revision Changed the maximum size safety and safety relief valve from NPS 4 1/2 to NPS 4. This is because there are no such valves as NPS 4 1/2. Prior to 1995, when NPS was introduced in this paragraph, it simply stated 4 1/2 in.

HG-510 Revision Revised HG-510(c) to eliminate the zero tolerance between an upper limit and lower limit of a hydrostatic test. Also, corrected paragraph reference in HG-510(b).

HG-530.2, HG-530.4, HG-530.6, Figs.

Revision This revision essentially reinstates the term "steam MAWP" line on the nameplates for wrought boilers and cast iron boilers. The term was previously in the figures but was inadvertently removed in the A06 addenda when the figures were metricized.

HG-715 Revision Revised paragraph to clarify the location of the connection for a drain valve in boilers. The intent is to connect a drain valve at the lowest point possible so there is little or no water in the vessel after draining.

HF-300.2, Table Revision This revision adds Alloy EN AC AlSi10Mg(a) sand castings in the F temper into Table HF-300.2, including allowable stress values for its use in Section IV. This nonferrous material is currently included in a British Standards specification EN1706:1998. Additionally, this material is included in Section II Part B, where a specification page will be added that lists the address where this specification can be obtained.

HF-300.2, Table Revision The Table was revised to add aluminum bronze seamless condenser tubes conforming to SB-111, UNS C60800. This is an incorporation of Code Case 2314.

HF-301.1 Revision This revision permits the minimum plate thickness exemption for parts subject to external pressure (e.g. furnaces). Previous to this change, parts subjected to external pressure were limited to an absolute minimum thickness of 1/4" (6 mm) per HG-312.1(a). This new exemption applies to carbon steel plates permitted in Table HF-301.1 and to the SA-240 stainless steel plate grades referenced in HF-301.1(d).

HC-100 Revision Part HC of Section IV is intended for boilers constructed primarily of cast iron (SECTIONS), and this revision makes it more clear to the user to distinguish cast iron sections from cast iron parts covered under Part HG.

HC-320 Revision This revision adds the attachment of non-load bearing fins and pins to castings as areas in cast iron boilers that need consideration in providing a liberal radius at their point of attachment. This change to HC-320 was made as a result of Interpretation IV-04-13.

HC-410.2 Revision Replaced the term "working pressure" with "maximum allowable working pressure" which was originally intended. This change will maintain consistency of terminology within the Code.

Code Book: IV

Part:

Subpart/Table: Part HG


Subpart/Table: Part HF


Subpart/Table: Part HC




Part HA Revision The addition of a new Part HA is intended to cover hot water heating boilers constructed of CAST ALUMINUM. This Part includes requirements for materials, design, testing, and quality control and inspection. It complements Part HC as rules for boilers primarily of cast construction.

HLW-300, Table Revision This revision adds Class 70 forgings to SA-181 in the Table.

HLW-301, Table Errata Editorially corrected Table HLW-301 by relocating Note (7) from the Maximum Allowable Design Stress column to the Notes column. Also, revised metric equivalent from 19 mm to DN 20 in HLW-810.

HLW-810 Revision Revised paragraph to clarify the location of the connection for a drain valve in water heaters. The intent is to connect a drain valve at the lowest point possible so there is little or no water inthe vessel after draining.

2258 Revision The original inquirer no longer uses the code case

2394-1 Revision The 50 psi requirement was removed because it was considered arbitrary.

2483 Addition Allow the use of sand cast aluminum alloy EN AC-AlSi7Mg

2501 Addition Allow the use of aluminum alloy 6063-0 in hot water heating boilers

2502 Addition Allows the use of aluminum alloy 6063-T5 in hot water heating boilers

2545 Addition Allow the use of aluminum tubes SB-210 Grades 3003 and 6061

2553 Revision Allow the use of nickel alloy UNS N06230

2565 Addition In lieu of Section IV, HG-701.1, for tankless water heaters, this Case permits the safety relief valve to be located downstream of the heat exchanger coil with restrictions on the outlet piping size and the capacity of the coil.

2570 Addition Incorporate the following copper alloys to Table HF-300.2: SB-42 C12000, and C12200, SB-75C12000, and C12200, SB-111 C12000, C12200, and C14200, SB-152 C10400, C10500, C10700, C11000, C12200, C12300, and C14200, SB-395 C12000, C12200, and C14200. This Case was approved on 4/2/07 and is scheduled for publication in Supplement 1 to the 2007 Edition.

2571 Addition Allows the use of SA-240 Grades 304L and 316L in thickness less than ¼ in (6 mm) in hot water heating and hot water supply boilers

Subpart/Table: Part HA


Subpart/Table: Part HLW






Table of Contents Errata Delete ".2" from SE-114, SE-797, SE-976 & SE-1419 in the Table of Contents and on each of the associated title pages.

Article 4 Errata Corrected the spelling of "inacessible" to read "inaccessible" in the title.

Article 4 Revision Revised Mandatory Appendix III, III-471.8 to add a new first sentence requiring a transverse examination to be performed per paragraph T-472.1.3.

Article 4 Revision Clarified calibration block requirements by adding details for dissimilar metal weld examinations to T-434.1.2, referencing Fig. T-434.2.1 in T-434.2.2, and relocating the detailed requirements for calibration blocks to new Note (h) for Fig. T-434.2.1, which defines the dimensions weld thickness (t) and calibration block thickness (T).

Article 4 Revision Added requirements to Appendix D for recording relevant reflector indications greater than 20% DAC, performing length measurements for indications greater than the reference level (100% DAC), and recording indications where the through wall dimension is required to be measured along with its length for a qualified technique. Deleted Appendix H as an unnecessary duplication of requirements.

Article 4 Revision Added new paragraph to the end of E-474, Nonmandatory Appendix E providing cautionary information that detection capabilities for planar flaws is dependent on the scan orientation when conducting Sectorial scans (S-scans).

Article 4 Errata Corrected spelling error in "paragrpah" to "paragraph" in T-434.1.2, and "reprentative" to "representative" in T-434.1.6.

Article 6 Revision Reduced all references to minimum standard temperatures within Article 6 and Mandatory Appendix III from 50 F (10 C) to 40 F (5 C). These changes affect Table T-621, T-652, T-653, Table T-672 Note (1), III-610, III-641.1 and III-641.2.

Article 6 Revision Eliminated the detailed procedure for analyzing residue from Mandatory Appendix II, paragraphs II-641 & II-642, and referenced the procedure for analysis in SE-165, Article 24. Deleted II-643.

Article 7 Revision Added new Mandatory Appendix III – providing requirements for conducting the Magnetic Particle examination (MT) using the yoke technique with fluorescent particles in an undarkened area.

Article 7 Revision Updated particle suspension requirements in T-731 consistent with the adoption of SE-709-01 (BC04-1413), and addressed some new shim types within T-764.1.2.

Article 8 Errata Revised Appendix IV, IV-850 to correct "algorithims" to read "algorithms".

Article 8 Errata Revised the heading of Appendix IV, IV-823.1 to correct "Requirments" to read "Requirements".

Code Book: V

Part:

Subpart/Table: Foreword


Subpart/Table: Subsection A




Article 8 Revision Substantially revised Article 8 to add references to the Appendices where appropriate. Redesignated Appendix IV, Glossary of Terms for Eddy Current Examination as Appendix I. Revised and updated previous Appendices I and II by combining them into a new Appendix II. Revised the tubular product examination requirements from the previous Article 8 into Appendix IV, with editorial changes for consistency with other Appendices. Revised AppendixIII to reference new Appendix IV, and delete the abbreviation "ET" for eddy current from the title. Appendix V and VI remain unchanged.

Article 10 Revision Restored paragraph T-1090 and deleted X-1090 from Appendix X. T-1090 was deleted from Article 10 by the publishers, but the intention was for X-1090 to be deleted as an unnecessary duplication of requirements.

Article 14 Addition Added new Mandatory Appendix II to Article 14, providing specific requirements for qualifying ultrasonic examination systems by performance demonstration.

Various Revision Revised paragraphs T-421.2, T-522.2, T-621.2, T-721.2, T-823.2, T-921.2 & T-1021.3 to clarify that procedure qualification is required only when specified by the referencing Code.

Article 22 Revision Adopted ASTM E 1255–96 (Reapproved 2002) "Standard Practice for Radioscopy" as SE-1255.

Article 23 Revision Adopted ASTM E 114–95 (Reapproved 2005) "Standard Practice for Ultrasonic Pulse-Echo Straight-Beam Examination by the Contact Method" as SE-114.

Article 23 Revision Adopted ASTM A 745/A 745M-94 (Reapproved 2003), "Standard Practice for Ultrasonic Examination of Austenitic Steel Forgings" as SA-745.

Article 23 Revision Adopted ASTM A 609/A 609M – 91 (Reapproved 2002) "Standard Practice for Castings, Carbon, Low-Alloy, and Martensitic Stainless Steel, Ultrasonic Examination Thereof" as SA-609.

Article 23 Revision Adopted ASTM A 578/A578M–96 (Reapproved 2001), "Standard Specification for Straight-Beam Ultrasonic Examination of Plain and Clad Steel Plates for Special Applications" as SA-578.

Article 23 Revision Adopted ASTM A 577/A 577M–90 (Reapproved 2001), "Standard Specification for Ultrasonic Angle-Beam Examination of Steel Plates" as SA-577.

Article 23 Revision Adopted ASTM A 435/A 435M–90 (Reapproved 2001), "Standard Specification for Straight-Beam Ultrasonic Examination of Steel Plates" as SA-435.

Article 23 Revision Adopted ASTM E 213-04, "Standard Practice for Ultrasonic Examination of Metal Pipe and Tubing" as SE-213.

Article 23 Revision Adopted ASTM E 273-01, "Ultrasonic Examination of the Weld Zone of Welded Pipe and Tubing" as SE-273.

Article 24 Revision Adopted ASTM D 516-02, "Standard Test Method for Sulfate Ion in Water" as SD-516.

Article 24 Revision Adopted ASTM D 1552-03, "Standard Test Method for Sulfur in Petroleum Products (High-Temperature Method)" as SD-1552.

Article 25 Revision Adopted ASTM E 709-01, "Standard Guide for Magnetic Particle Examination", as SE-709.

Article 26 Revision Adopted ASTM E 243–97 (Reapproved 2004) "Standard Practice for Electromagnetic (Eddy-Current) Examination of Copper and Copper-Alloy Tubes" as SE-243.

Subpart/Table: Subsection B




2557 Addition Adopt Code Case 2557, Manual Phased Array S-Scan UT

2558 Addition Adopted Code Case 2558, Use of Phased Array E-scan UT examination w/ Fixed Angle and Raster Scanning. This technique is not currently addressed in Section V, Article 4, so this Case provides rules and conditions for its use until incorporation into Section V.





U-1(f) Errata Corrected reference from UG-136 to UG-137.

U-1(g) Revision The reference to Section I for the definition of an unfired steam boiler has been removed.The remainder of the U-1(g) paragraphs have been editorially revised to more clearly state the types of vessels that are not considered unfired steam boilers (e.g. vessels known as evaporators or heat exchangers, vessels in which steam is generated but not withdrawn for external use, etc.)

U-3, Table Revision This revision adds ISO-148 (are Parts 1, 2 & 3) for CVN testing procedures and apparatus (ISOStriker). These ISO standards for impact testing are commonly used outside of North America, and it has been determined that the ISO Striker profile has no real effect on absorbed energy values up to approximately 70 ft-lbs. For materials with toughness in excess of 75 ft-lbs, the ISO Striker is slightly more conservative and will produce absorbed energy values that are slightly lower than those obtained using the ASTM striker. Complementary revisions are also made UG-84(b)(1).

U-3, Table Errata The acceptable year date for ASME B36.10M has been corrected from 2000 to 2004.

UG-11(c)(4); UG-40(e); UG-116(b); UG-118, Fig.;UG-136(d)(4)

Errata UG-11(c)(4) - The word "manufacturer" in the second line of UG-11(c)(4) was corrected to "Manufacturer".UG-40(e) - The reference to UG-44(j) in paragraph UG-40(e) was corrected to UG-44(i).UG-116(b) - Removed all units from all nameplate references to pressure and temperature.Fig. UG-118 - Figure cleaned up by adding Labels and removing units of measure e.g. psi (kPa)UG-136(d)(4) - The second paragraph of UG-136(d)(4) was assigned paragraph designation UG-136(d)(4)(a); this resulted in subsequent paragraph number revisions below this location.

UG-11(c)(5) Revision The addition of UG-11(c)(5) reinforces the Code intent that the vessel Manufacturer using welded standard pressure parts produced by a non-certificate holder needs to verify that these parts comply with the rules of this Division, including design and welding requirements. Similar words are already provided at the end of UG-11(a) and UG-11(b).

UG-14(b) Revision Change "hot-rolled" to "rolled" in two places so that stainless steel bar that is either hot-finished or cold-finished would be included in the exemption provided. As part of this action, Code Case 2148 will be annuled six months after publication of this revision.

UG-35.2(d)(1) Revision UG-35.2(d)(1) was revised to clarify that if someone tries to open a closure while the vessel is still under pressure, it will leak before the locking mechanism is fully disengaged and the closure is released. The previous words suggested that the closure was expected to leak when the locking mechanisms were still fully engaged, which clearly was not the intent. Also the last sentence was revised to clarify that the designer of the closure may not know the location of theoperator, and therefore he cannot always definitively direct the leaking contents away from the operator.

UG-36(b)(1); UG-42; Appendix 1, 1-7

Revision Revised UG-36, UG-42 and Appendix 1-7 to clarify that where the rules for reinforcement applied to cylindrical shells, this also includes conical shells. A note is also added to Appendix 1-7(b)(1) limiting application of the 1-7(b) rules to cones with a half apex angle not exceeding 30degrees.

Code Book: VIII-1

Part:

Subpart/Table: Introduction


Subpart/Table: Part UG




UG-37(a) Revision In the current UG-37 reinforcement rules, "E1" represents the joint efficiency at the location where the opening will be installed. When the opening is located in solid plate or in a Category B joint, "E1" defaults to a value of 1.0. However when an opening is located in any other welded joint, then "E1" is obtained from Table UW-12. This revision adds further clarification for the case where an opening is installed in a shell fabricated from ERW or autogenously welded pipe. For this case "E1" is set equal to 0.85, unless it can be clearly determined that the opening does not pass through an ERW or autogenously welded joint. As a reminder, when calculating the required thickness for the shell fabricated from ERW or autogenously welded pipe, you are permitted to use an allowable stress assuming the pipe to be seamless. (allowable stress without 0.85 knockdown factor) Also see Interpretation VIII-1-98-12.

UG-37(h) Addition This new paragraph clarifies that the reinforcement rules given in UG-37 and elsewhere in this Division are only applicable for internal and external pressure. When designing vessels subject to externally applied loads, then the rules of U-2(g) shall apply. Some examples where this would apply would be a horizontal vessel supported on saddles where the wall thickness of thevessel shell in between the supports saddles is controlled by longitudinal stress instead of circumferential stress. Another example would be a tall vertical tower supported on a support skirt where the longitudinal stress caused by the overturning moment controls the shell wall thickness in the lower shell courses. This revision is an outcrop of published Interpretation VIII-1-01-119.

UG-84(a), UG-84(b)(1) Revision UG-84(a) - In first line, changed "Charpy impact tests" to " Charpy V-notch impact tests.UG-84(b)(1) - This revision adds ISO-148 (are Parts 1, 2 & 3) for CVN testing procedures and apparatus (ISO Striker). These ISO standards for impact testing are commonly used outside of North America, and it has been determined that the ISO Striker profile has no real effect on absorbed energy values up to approximately 70 ft-lbs. For materials with toughness in excess of 75 ft-lbs, the ISO Striker is slightly more conservative and will produce absorbed energy values that are slightly lower than those obtained using the ASTM striker.

UG-84.1& UG-84.1M, Fig.

Revision When a 5F (3C) tolerance was added to paragraph UCS-66(g) for materials that are required to be impact tested by the material specification, no such tolerance was explicitly added to the Notes in the Figures referenced from those paragraphs. This editorial revision to Note (c) of Fig.UG-84.1 introduces an appropriate reference to UCS-66(g).

UG-116(e) Revision Approved an Intent interpretation (VIII-1-04-95) and revisions to UG-116(e) & UG-116(e)(1) to clarify that the RT marking rules apply whether RT, UT or some combination of the two is used to examine the welds on the vessel. Code Case 2235-6 contains the rules for substitution of UT for RT.

UG-120(a)(3) Revision The Manufacturer is now required to submit a copy to the user, Inspector, jurisdiction, and keep a copy on file for 3 years or file it with the National Board. The new item in the list is thejurisdiction. The 3 year requirement was prevviously 5 years.

UG-134(f), UG-136(c)(3)(c)

Addition Previously, UG-136(c)(3)(c) stated that a valve is considered to have failed if it does not meet “performance requirements of this Division.” In 1983, Interpretation VIII-1-83-106 was issued in an attempt to make clear the intent that chatter and flutter are not acceptable operating characteristics. Unfortunately, no Code revisions were made to codify this intent and the reply referred to UG-131 that addresses only initial capacity certification testing. This revision clarifies the Code and industry expectation that chatter and flutter are abnormal (as defined in PTC 25) and are not acceptable pressure relief valve performance characteristics. A supporting intent interpretation was also issued [VIII-1-04-89]. The following summarizes the paragraphs revised:(1) UG-134 - Title revised to: "Pressure Settings and Performance Requirements"(2) New UG-134(f) - Establishes performance requirement for safety review valve relative to chatter and flutter.(3) UG-136(c)(3)(c) - References back to UG-134 for performance requirements.



UG-136(c)(3)(a), UG-136(c)(3)(b)

Revision The current rules permit adjustments to pressure relief valves following the operational test andprior to the flow test so that the blowdown of the valve will not exceed the Code blowdown limits. These revisions will require the valve Manufacturer to set up and adjust the valve for expected operating conditions prior to both the operational and flow tests. No further adjustments will be allowed between the operational and flow tests. If the valve fails to satisfy the Code blowdown requirements, then the valve may be further adjusted, and both the operational and flow tests repeated. These changes were made to assure that valves placed into production perform in the same manner as during their qualification tests.

UG-136(d)(2), UG-136(d)(3), UG-137(d)(2)

Revision A Joint Task Group on Rules for Pressure Relief Devices was established to review all Code rules related to pressure relief devices (PRD's), such as scope, materials, design and testing. The revisions to UG-136(d)(2) and UG-137(d)(2) address pressure test requirements, and introduce significant changes that will affect manufacturers and assemblers of PRD's. A description of the changes to these paragraphs follow:(1) UG-136(d)(2) – The exemption from pressure testing based on size and pressure have been removed, such that all sizes of pressure relief valves for any pressure rating must now be pressure tested. The material exemption (not cast or welded) has been retained, and an additional exemption has been provided for valves for which the applied stress under hydrostatic test conditions that do not exceed 50% of the allowable stress are exempt from pressure test. In addition provisions for performing a pneumatic test at 1.25 times the design pressure of the part have been added.(2) UG-136(d)(3) – A footnote was added to this paragraph to indicate that the User may specify a higher test pressure commensurate with the back pressure anticipated in service.(3) UG-137(d)(2) – The revisions to paragraph UG-137(d)(2) (rupture disks) parallel those made to UG-136(d)(2).As a side note, these same revisions have also been made in Section I.

UW-13(b)(1); UW-13.1, Fig., Sketch (d); UW-12, Table

Revision Fig. UW-13.1 sketch (d) illustrated the required details for the attachment of heads to shells with a butt weld. It was composed of two sketches; the right-side sketch showed when a tapered transition per UW-13(b)(3) is required and the left side sketch showed when such a transition was not required. The information conveyed in sketch (d) is already covered in sketches (n) and (o) of Fig. UW-13.1 and thus was deleted. The deletion of sketch (d) resulted in redesignating the subsequent sketches in Fig. UW-13.1 and Table UW-12. Note: As part of this revision, an unintended error occurred in renumbering all of the sketches. In paragraph UW-13(b)(1) the list of permissible head attachment details is given as "sketches (a), (b), (c), (d) and (j)." The correct list should read "sketches (a), (b), (c), (d), and (i)". This will be corrected in the 2008 Addenda.

UW-13(b)(5); Appendix 1, 1-6(d)(3) & 1-6, Fig.

Revision Since bolting flanges designed per Appendix 2 can also be attached to formed heads and that paragraph 1-6 refers the flange design to Appendix 2, the change to UW-13(b)(5) is to clarify that Fig. 1-6 is for attaching non-butt welded bolting flanges to formed heads. Also, some editorial revisions were made to Fig. 1-6, including adding the definition of "t" in the sketch for loose flange type. Reference to 2-7 in 1-6(d)(3) changed to 2-8.

Subpart/Table: Part UW




UW-16(e); UW-16(f); UW-16(f)(3)(a)(6); UW-16.2, Fig.

Revision This revision addresses the attachment of small nozzle necks, tubes and fittings to shells and heads. Two paragraphs were revised under this action:(1) UW-16(e)(1) & (e)(2) - This paragraph permits the attachment of small nozzle necks and tubes (< NPS6) with a single fillet weld placed on the inside. In 1993 Section VIII published interpretation VIII-1-92-170 which stated that it was also acceptable to attach nozzle necks andtubes up to NPS6 with a single fillet weld place on the outside. This revision to UW-16(e)(1) &(e)(2) brings this rule directly into the Code. (2) UW-16(f) - The title to this paragraph is: Fittings: Internally Threaded , Externally Threaded, Socket Welded or Butt Welded". The Committee received an inquiry questioning whether or not a fitting fabricated from pipe by a Manufacturer, could be considered a "fitting" as used in UW-16(f), and thereby have the potential to be attached with a single fillet weld, when all the other provisions of UW-16(f)(3) are met. After much debate, the Committee concluded that the special attachment provisions given in UW-16(f) were intended to apply to fittings produced to an ASME/ANSI standard, or to a Manufacturer's Standard, as defined in UG-11. The title of this paragraph was therefore changed to: Standard Fittings: ASME/ANSI orManufacturer's Standard. The net result is that a Manufacturer can still fabricate their own fittings, however, to attach them with a single fillet weld per UW-16(f)(3), they would need to publish their fitting standard as a Manufacturer's Standard per UG-11.(3) UW-16(f)(3)(a)(6) - New paragraph sets a minimum wall thickness to not less than that of Class 3000 fitting per ASME B16.11 for fittings and bolting pads attached to vessels by a fillet weld deposited from the outside only, as permitted by UW-16(f)(3)(a).Fig. UW-16.2 - The title to Fig. UW-16.1 to was changed to: "SOME ACCEPTABLE TYPES OF SMALL STANDARD FITTINGS".

UW-16.1, Fig., Sketch (f-2)

Revision Revise Fig UW-16-1, sketch (f-2) dimension "1/2 t submin" to "minimum of 1 1/2 t" to be in agreement with both Section VIII, Div. 2 and Section III NB.

UCS-23, Table Addition Added F3VCb and 3VCb alloys to Table UCS-23 as a P-No.5C material under SA-182, SA-336, SA-508, SA-541, SA-542 (Gr.E, Cl. 4a), and SA-832 (23V); incorporating Code Case 2151-1.

UCS-56(d)(5); UCS-66.2, Fig.

Errata UCS-56(d)(5) - Corrected 280°C to 280°C/hr in two locations.Fig. UCS-66.2 Note (9) - 4°C corrected to 22°C, 38°C corrected to 56°C

UCS-57, Table Revision Table UCS-57 defines mandatory RT based on thickness and P-No.. It was reviewed against UCS-56 to assure that the P-No. & Gr. No. are accurate. P-No 5B Gr. 2, 5C Gr. 1 and P-No 5A Gr2 added, 10B and 10F grades changed to 1.

UCS-66(i) and UHA-51(g)

Revision This revision clarifies that the reduction in MDMT afforded when the actual stress in tension isless that the Code allowable not only applies to base metal, but also to the weld metal and HAZ during procedure qualification and production welding. [ Also see Interpretation VIII-1-98-98]

UNF-19(e); UNF-23.3, Table

Errata UNF-19(e) - Corrected 1500°F to 1650°F Table UNF-23.3 - Correct N20033 to R20033 for SB-462

UNF-23.1, Table - SB-928

Addition Adoption of ASTM Specifications B 209-04 and B 928-04a as ASME SB-209 and SB-928. SB-928 added to Table UNF-23.1.

Subpart/Table: Part UCS


Subpart/Table: Part UNF




UNF-23.3, Table - UNS N10242

Addition Alloy UNS N10242 [ Ni-25Mo-8Cr-2Fe] was added for SB-366, SB-434, SB-564, SB-619, SB-622 and SB-626 via incorporation of Code Case 2319-2.

UNF-78 Revision This revision addresses resistance welding of titanium heat transfer plates used, and recognizes that the rules of Section IX or Appendix 17 shall be followed as applicable. An Intent Interpretation was also approved.

UNF-79, Table - UNS N06600

Revision Table UNF-79 was revised to add post fabrication strain limits and required heat treatment for UNS N06600 material.

UHA-23, Table - SA-182 Revision ASTM A 182 and A 480 no longer contain alloy Austenitic Fe-27Ni-22Cr-7Mo-Mn-Cu-N Alloy (UNS S31277).

UHA-23, Table - SA-182 Addition Revised Table UHA-23 to add F310MoLN, UNS S31050 to SA-182, incorporating Code Case 2038-5 to allow this material for Section VIII-1 construction.

UHA-23, Table - SA-965 Revision ASTM specificaton A 965 has been adopted as SA-965. This specification covers the high alloy steel forgings previously covered by SA-336. In Table UHA-23, changed references to SA-336 for stainless steel forgings to SA-965.

UHA-23, Table - UNS S32906

Revision The provisions of Code Case 2295 were incorporated permitting the use of UNS S32906 (29Cr-6.5Ni-2Mo-N Austenitic-Ferritic Stainless Steel) for SA-479, SA-789 and SA-790 for VIII-1 construction. Code Case 2295 will be annulled Jan. 1, 2008.


Revision The provisions of Code Case 2316 were incorporated permitted the use of 25Cr-7Ni-3Mo-W-Cu-N Alloy, UNS S39274 Forgings, Seamless and Welded Pipe and Tube (SA-182, SA-789, SA-790) for VIII-1 construction. Code Case 2316 will be annulled Jan. 1, 2008.


Revision 25Cr-7Ni-3Mo-W-Cu-N, SA-182, SA-789 and SA-790 S39274 added to Table UHA-32.

UHA-44, Table Errata The following metric temperature limits were corrected as errata in Table UHA-44:(1) 309S, 310H, 310S, Minimum heat treatment temperature corrected from 1090°C to 1095°C(2) 321, 321H, 347, 347H, 348, 348H Lower design temperature limit corrected from 590°C to 540°C(3)321H, 347H, 348H Minimum heat treatment temperature corrected from 1090°C to 1095°C

UHA-51(a)(4) Revision The PAW process is added to the list of acceptable welding processes for use with MDMT’s colder than -320 deg F (-196 deg C).

Subpart/Table: Part UHA




UHA-51(a)(4), UHA-51(a)(4)(a)(1), UHA-51(f), UHA-51(h), UHA-51(i)

Revision UHA-51(a)(4) - Added provision for use of Plasma Arc Welding (PAW) when the MDMT is colder than -320°F (-196°C). In addition pre-use testing of each heat, lot or batch of filler metal and filler metal/flux combination is now required per UHA-51(f)(4)(a) through (c) for MDMT'scolder than minus 320°F (-196°C); the exemption from pre-use testing as allowed in UHA-51(f)(4)(d) and (e) is not allowed. UHA-51(a)(4)(a)(1) - Allow the use of ferrite determinations by use of a calibrated ferritescope or magna gauge in addition to the use of the Delta Ferrite Diagram shown in Fig. ULT-82 (WRC-1992 Diagram). This will provide some flexibility for fabricators. Recent experience on a project indicated that ferrite values (accuracy) obtained by ferritescope and the diagram shown in Fig. ULT-82 are quite similar.UHA-51(f) - The focus of this paragraph has been changed to address pre-use testing of welding consumables for MDMT's colder than -155°F (-104°C). The requirements for vessel (production) impact tests that were originally published in UHA-51(f) have now been moved to UHA-51(h). Pre-use testing of each heat/lot/batch of consumables is the only way to ensureacceptable toughness at cryogenic temperatures. As currently written a fabricator could opt to conduct a production impact test in lieu of pre-use testing. This would allow a fabricator to theoretically test only one heat of consumable while actually using numerous heats of consumables that may or may not exhibit acceptable lateral expansion. THIS IS A SIGNIFICANT REVISION THAT MUST BE CAREFULLY REVIEWED BY STAINLESS STEEL FABRICATORS.UHA-51(h) - The requirements for vessel (production) impact test have been moved to this paragraph, and re-organized as follows:UHA-51(h)(1) - Vessel production impact test are required for welded construction of duplex stainless steels, ferritic stainless steels, and martensitic stainless steels if the Weld Procedure Qualification requires impact testing. Welding Procedure Qualification with impact testing is required for these materials for MDMT's colder than -20°F (-29°C).UHA-51(h)(2) - For austenitic stainless steels with MDMT colder than -320°F (-196°C) vessel (production) impact tests or ASTM E 1820 JIC shall be conducted.THE NET RESULT OF THESE REVISIONS IS THAT FOR MOST AUSTENITIC STEELS USED IN A RANGE OF -155°F TO 320°F PRE-USE TESTING OF THE WELDING CONSUMABLES WILL BE REQUIRED IN LIEU OF PRODUCTION IMPACT TESTS. PLEASE REVIEW UHA-51 FLOWCHARTS IN APP

ULW-5; ULW-17.6, Fig.;ULW-52(e); ULW-77(f); ULW-78(d)

Errata The rules for helically wound interlocking strip vessels were removed from the Code in the 2004 Addenda. These errata remove some remaining requirements for helically wound interlocking strip vessels.(1) The last two sentences of ULW-5 related to helically wound interlocking strip vessels was deleted. (2) Fig. ULW-17.6 Sketch (h) was deleted.(3) ULW-52(e) deleted(4) ULW-77(f) deleted(5) ULW-78(d) deleted

ULT-82(c) Revision Deleted Paragraph ULT-82(c). The welding requirements for Type 304 stainless steel as used inPart ULT are now referenced to UHA-51.

Subpart/Table: Part ULW


Subpart/Table: Part ULT




UHX-3, Fig., Sketch (a) Errata The arrow pointing to the U-tube bundle in sketch (a) was corrected.

UHX-9.3, UHX-9.4, UHX-9.5

Revision The rules are revised to clarify that special consideration may be necessary for the hydrotest of tubesheets that are gasketed on both sides. The additional consideration is necessary because a load may exist during hydrotest that does not occur in operation. The following summarized thechanges to Part UHX:UHX-9.3 Nomenclature - Definitions for the gasket load reaction are revised for U-tube and fixed heat exchangers.UHX-9.4(a) - Cautionary warning added concerning additional stresses during the pressure testsfor tubesheets that are gasketed on both sides.UHX-9.4(b) - revise to clarify the definition of h sub(r).UHX-9.4(c) - New paragraph; the text from 9-5 concerning calculating the required thickness for the flanged extension, h sub(r), for both operating and gasket seating conditions were moved to UHX-9.4(c).UHX-9.5 - Text concerning the consideration of both operating and gasket seating conditions moved to UHX-9.4(c).Fig. UHX-9 - New Figure depicting representative configurations describing the minimum required thickness of a tubesheet flanged extension, h sub(r).

UHX-12, UHX-13, UHX-14

Revision Add UHX-12.4(d), UHX-12.6, UHX-13.4(g), UHX-13.9, UHX-14.4(h), and UHX-14.7. The revision allows the design of a tubesheet with an integral shell and/or channel to be considered simply supported and thus not consider the rigidity that the integral member(s) provide(s). These revisions apply to U-tube, fixed, and floating tubesheets.

Appendix 1, 1-10; UG-36(b)(1)

Addition This revision incorporates Code Case 2398, Alternative Method for the Design of Reinforcement for Large Openings in Cylindrical Vessels Under Internal Pressure. The method is based on pressure-area calculations, and is essentially identical to the opening reinforcement rules published in the 2007 Section VIII, Division 2. These alternative rules provide a more accurate solution for determining the reinforcement requirements for large openings, and in many cases results in less reinforcement required as opposed to the rules given in 1-7. In addition, based on additional research conducted since the original publication of CC 2398, the applicability limit of Rn/R < 0.7 has been removed.

Appendix 2: 2-14(b); 2-14(c); 2-14, Table

Revision This revision clarifies applicability of flange rigidity rules for integral, optional and loose type flanges. In addition a note was added stating that the rigidity factors for integral, loose and optional type flanges [K (sub I) and K (sub L)] are sufficient for most services, however other values may be used based on past experience with permission of the User. This last change incorporates the provisions originally provided in Code Case 2547, whereby an alternative to the flange rigidity design rules is provided.

Appendix 3 Revision Added definition of a spiral weld: "Spiral Weld – A weld joint having a helical seam. (See UW-3(a))."

Subpart/Table: Part UHX






Appendix 5: 5-1(a), 5-3(a), 5-3(b), 5-5(c), 5-5(e); UHX-17

Revision Revisions were made to Appendix 5 to clarify and simplify the stress limits defined for expansion joints, and to relax the surface examination requirements for small heat exchangers. Asummary of changes follows:5-1(a): Combined last two sentences5-3(a): Revised to clarify stress limits for expansion joints by organizing the requirements basedon mechanical loads (pressure and pressure-induced actual deflection), and thermally induced displacements.5-3(b): Further revisions to clarify the stress analysis of an expansion joint5-5(c): Revised to allow waiving the surface examination (MP or PT) required at inaccessible circumferential welds, subject to the acceptance of the Inspector.5-5(e): Deleted "See Fig. 5-1 sketch (b)" from the paragraph.UHX-17: Revised paragraph to permit designing a thick walled expansion joint to a higher stress limit and that permitted in Appendix 5, for the purpose of allowing the expansion joint toyield, which decreases its stiffness and may have a desirable effect on the resulting design of thetubesheet.

Appendix 9, 9-1(c) Errata In the first line, replaced "Where the internal pressure is..." with "Where the internal design pressure is...". In the second to last line, replaced "than" with "then"

Appendix 10, 10-13; UG-90(b)(19); UG-117(f); UG-120(a); UW-51(a)(1)(b); Appendix 12, 12-4

Revision Revise Appendix 10-13 to require the retention of pertinent records by the Manufacturer for at least three years after the signing of the Manufacturers Data Report. Revise UG-117(f) to makethe retained records available to the Authorized Inspector (AI) supervisors or Review Teams for the purpose of performing reviews for the issue or renewal of Certificates of Authorization. Revise other sections for consistency. THIS IS A SIGNIFICANT CHANGE; MAY REQUIRE REVISIONS TO THE MANUFACTURER'S QUALITY CONTROL PROGRAM; RECORDS WILL NEED TO BE RETAINED BEGINNING JAN. 1, 2008.

Appendix 10, 10-13(c); UG-120(a)(3)

Revision Additional revisions concerning record retention:(1) UG-120(a)(3) Maintained Code intent that Manufaturer's Data Reports may still be registered with the National Board in lieu storing for 3 years.(2) 10-13(c) - Added clarification on record retention requirements for "UM" and UG-90(c)(2) construction.

Appendix 13, 13-11(e)(2) Errata The denominator to Equation (5) was corrected to read "6I11.

Appendix 26 Revision These revisions address technical questions received since the publication of the revised Appendix 26 rules for the design of bellows in the 2004 Edition. The resulting changes ensure a better consistency with EJMA Standards , B31.3 CODAP and the European pressure vessel standard EN 13445.(1) 26-6.3.3 revised formula S(sub 2,E) to account for the effect of the collar in U-shape unreinfoced bellows; the term t(sub c)L(sub c) was added to the denominator.(2) 26-6.4.1 deleted the two options concerning instability due to internal presure [Equation for P (sub sc)](3) 26-6.4.2 added definition of S (sub y*) in calculation of for in-plane instability(4)26-6.6.3.2, 26-7.6.3.2, and 26-8.6.3.2 revised the fatigue fomulae [stress limit terms in the equations for KgEo/Eb] for unreinforced bellows, reinforced bellows and toroidal bellows to limit the calculated allowable number of cycles to 1 million cycles.(5) 26-12 revised to limit the test pressure to prevent instability of the bellows during the pressure test , as required by B31.3 and EJMA .(6) 26-14.1.1 added definition of Lc and tc to the Data Summary(7) 26-14.1.2(h) revised denominator by adding "tcLc"(8) 26-14.1.2(m)(2) deleted equation Cz, and renumber remaining paragraphs(9) 26-14.1.2(m)(3) revised equation for Psc, and corrected result [208 psi changed to 862 psi](10) 26-14.1.2(m)(4) Added Sy*, and revised equation for a.(11) 26-14.1.2(n)(4) corrected result from 15,423 psi to 154,235 psi

Appendix 26: 26-6.5.2, 26-8.3.3(b). 26-9.4

Revision The following editorial corrections were made to Appendix 26:Clause 26-6.5.2 , in 3rd line : replace UG-29 by UG-28 .Clause 26-8.3.3(b) , in formula giving S3 : in the denominator , replace " 2ntp " by " ntp " .Clause 26-9.4 , in formula giving DELTAqtheta : theta is a subscript of DELTAq



Appendix 27, 27-3(a) Revision The rules of 27-3 give provisions for accepting a deviation in a hemispherical or 2:1 ellipsoidal head such that it no longer meets the geometric tolerance requirements given in UG-81(a) following the glassing operation. This revision removes the requirement in 27-3(a) that the deviation must be symmetric to the vessel axis.

Appendix 28, 28-1,Fig. Errata The variable "X" that appears in the Table to Fig. 29-1 (b) and in the General Note was correct to "a".

Appendix 31: 31-2(a); 31-4; 31-1, Table

Addition Added the 3Cr-1Mo-1/4V-Cb-Ca to the list of materials in 31-2(a) and 31-4(a) and Table 31-1. .Added provision to use GTAW welding process for 3Cr-1Mo-1/4V-Cb-Ca. ; incorporating Code Case 2151-1.

Appendix P Revision The title to Appendix P was revised to read: "Basis for Establishing Allowable Stress Values forUCI, UCD, and ULT Materials" to reflect the fact that allowable stresses for these material types are published in VIII-1, and there is a separate paragraph in Section II, Part D describing the basis for establishing allowable stresses published in that document.

Appendix W: W-2(e); Forms U-1, U-1A, U-2, U-2A,U-3, UV-1, UD-1; Tables W-3, W-3.1, W-3.2

Errata W-2(e) - Paragraph added clarifying that any quantity to which units apply shall be entered on the MDR form with the chosen units. Forms U-1, U-1A, U-2, U-2A,U-3, UV-1, UD-1 - Units of measure deleted from forms;Table W-3 , W-3.1, W-3.2- General Note added stating that any quantity to which units apply shall be entered on the MDR form with the chosen units.Table W-3 Note 42 - , "in inches" deleted from Instruction. Forms UV-1, UD-1 - "(NPS)" deleted from "Size" column.Table W-3.2 Note No. 7 - "(NPS)" deleted

Appendix DD - UD CodeSymbol Stamp

Errata UD Code Symbol stamp information moved from Items 7,8 to Item 2.

Appendix JJ Addition Six flowcharts are presented in the new Nonmandatory Appendix JJ describing the impact test requirements (including exemptions from testing) for high alloy materials given in UHA-51.

1192-1 Errata Corrected the Ni content from "6.3 -70.0" to "63.0-70.0", and added UNS Number N05500.

1855-1 Revision Section I Code Case 1855 provides for the use of a Section VIII unfired steam boiler to be included within a Section I boiler system. It is sometimes difficult in field situations for Inspectors and Jurisdictions to determine if the Code Case is actually applicable to a particular boiler. The existing Case provides for marking the Section VIII vessel nameplate and the SectionI data report but falls short of marking the Section VIII data report with the Case number. This revision makes it clear that the identification of the Code Case will be included on both Section Iand VIII stampings as well as the Section I and Section VIII data reports. Also, the Section I data report is revised to the Master Data Report since it could be any one of several referenced forms (e.g. P3, P-3A)

2038-5 Revision Code Case 2038-5 will be annulled January 1, 2008 following incorporation of F310MoLN, UNS S31050 to SA-182 into Section VIII-1.

2038-5 Revision This code case was reinstated to assure that the would be no lapse of coverage that would causea commercial inconvenience while the revisions to VIII-2 are prepared for publication.







2127-3 Revision ASTM specificaton A 965 has been adopted as SA-965. This specification covers the high alloy steel forgings previously covered by SA-336. Changed references to SA-336 for stainless steel forgings to SA-965.

2140-1 Revision Annulled Code Case 2140-1 due to its incorporation into the Code in the 2000 Edition.

2148 Revision This Case was annulled on 9/18/06. This later action reinstated the Case to allow bar to be usedunder the Case until January 1, 2008. Technical Bulletin #27 has been revised and includes a letter from ASME officially reinstating the Case - this Technical Bulletin is available from the HSB Global Standards website.

2156-1 Revision Revised the Code Case, originally for "shells", to expand applicability to other hollow cylindrical shapes (such as nozzles) that exceed the NPS 4 provision of UG-14(b). The requiredUT and transverse tension testing address the technical concerns of imposing stresses in other than the bar axis orientation.

2179-6 Revision This code case for Grade 92 material has been modified to reduce the existing maximum allowable stress values in the time dependent regime (i.e., 1050F and above) and to add a new maximum allowable stress value at 1200F for the thicker-walled components (i.e., Forgings, Pipe, and Forged Pipe). These modifications are based on a review of an extensive body of new,longer term creep rupture data that has become available since the introduction of the case. Consistent with the availability of more extensive data, the original restriction on use of the material above 1150F, as reflected in sub-paragraph (c) and Note (1) to Table 4, has been eliminated.

2180-4 Revision The code case for Grade 122 material has been modified to reduce the existing maximum allowable stress values in the time dependent regime (i.e., 1050F and above). These modifications are based on a review of an extensive body of new, longer term creep rupture datathat has become available since introduction of the case. Consistent with the availability of moreextensive data, the original restriction on use of the material above 1150F, as reflected in sub-paragraph (c) and Note (1) of Table 4, has been eliminated.

2224-2 Revision ASTM specificaton A 965 has been adopted as SA-965. This specification covers the high alloy steel forgings previously covered by SA-336. Changed references to SA-336 for stainless steel forgings to SA-965.

2295-2 Revision The provisions of Code Case 2295 were incorporated permitting the use of UNS S32906 (29Cr-6.5Ni-2Mo-N Austenitic-Ferritic Stainless Steel) for SA-479, SA-789 and SA-790 for VIII-1 construction. Code Case 2295 will be annulled Jan. 1, 2008.

2316 Revision The provisions of Code Case 2316 were incorporated permitted the use of 25Cr-7Ni-3Mo-W-Cu-N Alloy, UNS S39274 Forgings, Seamless and Welded Pipe and Tube (SA-182, SA-789, SA-790) for VIII-1 construction. Code Case 2316 will be annulled Jan. 1, 2008.

2354 Revision Annulment date is approved for 1/1/08.

2425-2 Revision Changed External Pressure Chart reference from Fig. NFT-1 to Fig. NFT-4.

2463 Addition Code Case for Welding of Tubes to Tubesheets using the Deformation Resistance Welding (DRW) Process

2504 Addition Section VIII, Divisions 1 and 2 and Section XII; Code Case Raising the Maximum Use Temperature for UNS S20153 Stainless Steel from 100F to 800F for Section VIII, Divisions 1 and 2 and Section XII use.

2504-1 Revision (1)The allowable stresses were re-analyzed and new (lower) values generated for 200-400F. (2) New External Pressure Chart (EPC) assignment ; changed from CS-2 to HA-6.(3) Unnecessary paragraphs that duplicate existing code requirements eliminated.(4) Wording of inquiry revised to reflect existing 100 F (38 C) allowed use.

2521 Revision This case was annulled effective 1/1/2008 following revisions toTable 3 to permit SA-564 Gr.630 H1150 as bolting for SC VIII-1 & SC VIII-2. It is anticipated that the annulment date will be published in Supplement 1 to the 2007 Edition.



2532-2 Revision Added new External Pressure Charts (Fig. 1 and 1M) and Tables 5 and 5M for Ti 4Al-2.5V-1.5Fe. This material has non-homogeneous mechanical properties (strength and Modulus of Elasticity or Young's Modulus) dependent on the amount of rolling in the two principal directions. The variation on Young's Modulus is even more pronounced for bar material. To account for this variation for bar material a 10% reduction is imposed on bar material in Note 1. The charts and tables for this material are based on stress-strain data supplied, and elastic Young's Modulus (E) in the longitudinal direction of plate rolling.

2543 Revision Adopted Code Case 2543, permitting the use of 25Cr-6Ni-Mo-N, UNS S32506, austenitic-ferritic duplex stainless steel for construction under Section VIII, Division 1. This material is a duplex stainless steel registered in JIS standard as designated SUS329J4L, for use inchemical/petroleum plants, pump and sea water equipment, and water storage tanks where Type 316 stainless steel suffers severe corrosion. The Case passed on 1/2/2007 and is sceduledfor publication in Supplement 1 to the 2007 Edition.

2544 Addition If t/r is equal to or more than 0.01 and the design internal pressure is 5 times larger than the design external pressure, the tolerances for formed heads need not exceed the tolerances for internal pressure.

2544-1 Revision In the Inquiry, the reference to UG-80(b) was corrected to UG-81(b). Also the requirements to mark the code case number of material was deleted.

2547 Addition The Code Case will provide manufactures time to incorporate the new code rule for using the rigidity index into their existing designs without impacting vessels and components currently in stock. The action also includes annulment of the Code Case 18 months after publication - in the1st Quarter of 2008.

2556 Revision This case was prepared to address issues involved with Manufacturer affirmation of material properties when using ASME Codes within the context of the European Pressure Equipment Directive.


2560 Addition Code Case 2211-1 provides for overpressure protection by system design by the user. There is a need to provide for overpressure protection by system design for integrated systems suppliedby machinery manufcacturers, in which the machinery manufacturer will be responsible for ensuring that the MAWP or the design pressure of the vessel is greater than the highest pressure that can reasonably be expected to be achieved by the system.

2586 Addition UNS S32707 is an austenitic-ferritic stainless steel intended mainly for use as a construction material in pressurized parts of oil refineries, petrochemical and chemical plants that require high-strength, corrosion-resistant material. The products include seamless heat exchanger tubes, seamless high-pressure piping. Request to propose Code Case for this steel has been received from a heat exchanger fabricator to the petroleum refining and chemical industry to use this in the ASME Section VIII, Division 1 construction. This Case passed on 1/2/2007 and is sceduledfor publication in Supplement 1 to the 2007 Edition.



NEW CODE BOOK Revision The 2007 Edition of Section VIII, Division 2 is completely rewritten.

3.A.3, Table Addition F310MoLN, UNS S31050 to SA-182 added to Table 3.A.3 , incorporating Code Case 2038-5 to allow this material for Section VIII-2 construction.

3.A.3, Table Revision ASTM specificaton A 965 has been adopted as SA-965. This specification covers the high alloy steel forgings previously covered by SA-336. Changed references to SA-336 for stainless steel forgings to SA-965.

2504 Addition Section VIII, Divisions 1 and 2 and Section XII; Code Case Raising the Maximum Use Temperature for UNS S20153 Stainless Steel from 100F to 800F for Section VIII, Divisions 1 and 2 and Section XII use. NOTE: THIS CASE ONLY APPLIES TO THE 2004 EDITION/2006 ADDENDA OF SECTION VIII, DIVISION 2.

2504-1 Revision (1)The allowable stresses were re-analyzed and new (lower) values generated for 200-400F. (2) New External Pressure Chart (EPC) assignment ; changed from CS-2 to HA-6.(3) Unnecessary paragraphs that duplicate existing code requirements eliminated.(4) Wording of inquiry revised to reflect existing 100 F (38 C) allowed use.NOTE: THIS CASE ONLY APPLIES TO THE 2004 EDITION/2006 ADDENDA OF SECTION VIII, DIVISION 2.

2544 Addition If t/r is equal to or more than 0.01 and the design internal pressure is 5 times larger than the design external pressure, the tolerances for formed heads need not exceed the tolerances for internal pressure.NOTE: THIS CASE ONLY APPLIES TO THE 2004 EDITION/2006 ADDENDA OF SECTION VIII, DIVISION 2.

2544-1 Revision In the Inquiry, the reference to UG-80(b) was corrected to UG-81(b). Also the requirements to mark the code case number of material was deleted.NOTE: THIS CASE ONLY APPLIES TO THE 2004 EDITION/2006 ADDENDA OF SECTION VIII, DIVISION 2.

2556 Revision This case was prepared to address issues involved with Manufacturer affirmation of material properties when using ASME Codes within the context of the European Pressure Equipment Directive. NOTE: THIS CASE ONLY APPLIES TO THE 2004 EDITION/2006 ADDENDAOF SECTION VIII, DIVISION 2.

2556-1 Revision Revised Code Case 2556 to include Section I adoption. This case was prepared to address issues involved with Manufacturer affirmation of material properties when using ASME Codes within the context of the European Pressure Equipment Directive. NOTE: THIS CASE ONLYAPPLIES TO THE 2004 EDITION/2006 ADDENDA OF SECTION VIII, DIVISION 2.

Code Book: VIII-2

Part:

Subpart/Table: Part 1


Subpart/Table: Annex 3.A






2562 Revision Adopted Code Case 2562, permitting the use of NF A 36-215, Grade P440 NJ4 Steel Plate in Section VIII, Divison 2 construction under qualifying conditions of heat treatment. Grade P440 NJ4 materials are commonly used in France and other European countries for highway transport tanks. NOTE: THIS CASE ONLY APPLIES TO THE 2004 EDITION/2006 ADDENDA OF SECTION VIII, DIVISION 2.



KG-311.7 Revision The phrase "including environmentally induced corrosion cracking" was deleted from KG-311.7(a), and new subparagraph (c) added. This new subparagraph requires the author of the UDS to provide any information relating to possible deterioration of materials due to environmental exposure. A reference to Section II, Part D Appendix A , Metallurgical Phenomena is provided.

KM-100(d) & (e) Errata KM-100(d) & (e) - Table Y-3 corrected to Table Y-1

KM-211.3 Revision The datum point of the test specimen is defined as the midpoint of the gauge length of a tensiontest specimen. For bars and bolting materials with diameters or thicknesses 2 inches and over, the distance from a heat-treated end was changed from 1.0 diameter to 2T/3 diameter. However for precipitation-hardening and age-hardening steels, the distance from a heat-treated end is T/4 diameter or thickness.

Tables KCS-1 & KCS-1M

Revision Addition of SA-736, Grade A, Classes 1, 2, and 3 Plate Materials to Table KCS-1 of SC VIII-3.

Tables KCS-1 & KCS-1M

Revision Tables KCS-1 and KCS-1M are revised to correct the P-Nos. listed for SA-336, F3V and F22; SA-387, 22; and SA-832, 21V from 5 to 5C and 5A; 5A; and 5C, respectively.

Tables KHA-1 & KHA-1M

Revision ASTM specificaton A 965 has been adopted as SA-965. This specification covers the high alloy steel forgings previously covered by SA-336. Changed references to SA-336 for stainless steel forgings to SA-965.

Code Book: VIII-3

Part:

Subpart/Table: Part KG


Subpart/Table: Part KM


Subpart/Table: Part KD




KD-2, KD-121(e), KD-312.3(b), KD-412.2(a), KD-640, KD-740(b), KD-810, KD-823, KD-921, KD-922, KD-1270(a)(2), Appendix 1, Appendix H

Revision This reorganization recognizes that there are two different methods of analysis accepted for design verification in Div. 3 and provides a roadmap for their use. The reorganization places the definitions and equations that always apply to all designs in the first part of the Article. Next, this is followed by elastic-plastic methods that can always be used for design by analysis in thisDivision. Third, the linear elastic methods are presented. Lastly, the equations for stress calculations are provided for information. The net result is a complete renumbering of paragraphs, and hence revisions to other Articles to reflect these paragraph number changes. There is no intent to change any existing requirements or equations in this action. The folllowingsummarizes where the changes took place:KD-121(e) - Changed reference to KD-252 to KD-222;KD-312.3(b) - Changed reference to KD-240 to KD-230 . KD-412.2(a) - Changed reference KD-251.2 to KD-221.2; changed phrase "two times" to 1.732as errata.KD-640- In first line, changed reference to KD-240 to KD-230; In 2nd line changed reference toKD-230 to KD-240.KD-740(b) - Changed reference to KD-230 to KD-240.KD-810 - Changed reference to KD-230 to KD-240.KD-823 - Changed following paragraph referencesL KD-220 --> KD-241; KD-260 --> KD-250; KD-230 --> KD-242.KD-921 - Changed reference to KD-251.2 to KD-221.2KD-922 - In first paragraph, changed reference to KD-240 to KD-230; In second paragraph changed reference to KD-230 to KD-240.KD-1270(a)(2) - Changed reference to Fig. KD-230 to Fig. KD-240.Appendix 1 - Nomenclature - All references to KD-220 changed to KD-241; All references to KD-230 changed to KD-240; All references to Fig. KD-230 changed to Fig. KD-240; All references to KD-231 changed to KD-243; All references to KD-250 changed to KD-220;Appendix H, H-120 - Reference to KD-230 changed to KD-242.

KD-6 Revision Article KD-6 dealing with design requirements for closures, integral heads, threaded fasteners and seals, was editorially restructured to clarify requirements and eliminate confusion within thearticle.

KD-10, KG-104.2(b), KG-141, KG-311.12(h)

Addition New Article KD-10, Special Requirements for Vessels in High Pressure Hydrogen Service. The requirements in this Article are mandatory for the following vessels in gaseous hydrogen service:(a) Non welded vessels with hydrogen partial pressure exceeding 6000 psi (41MPa). (b) Non welded vessels in hydrogen service constructed of materials with ultimate tensile strength exceeding 137 ksi (945 MPa) and hydrogen partial pressure exceeding 750 psi (5.2 MPa).(c) Vessels of welded construction with hydrogen partial pressure exceeding 2500 psi (17 MPa).(d) Vessels of welded construction in hydrogen service of materials with maximum ultimate tensile strength exceeding 90 ksi (620MPa) and hydrogen partial pressure exceeding 750 psi (5.2MPa). - Table KG-141 is revised to add the standards referenced in Article KD-10. - New Para. KG-311.12(h) is added, adding requirements in the UDS for hydrogen vessels constructed per Article KD-10. - Para. KG-104.2(b) revised to address general requirements for transport vessels.

KD-104 Addition New paragraph added to clearly state that all design dimensions used in design formulas are in the corroded condition.



KD-141, KD-931 Revision General requirements for assuming a leak-before-burst failure mode are provided in paragraph KD-141. Specific requirements for assuming a leak-before-burst failure mode for shrink fit layered vessels are currently provided in paragraph KD-810 (f), and for wire wound vessels are currently provided in paragraph KD-931 (b). This action clarifies that for shrink fit layered vessels only, the requirements of KD-810 (f) apply and for wire wound vessels, only the requirements of KD-931 (b) apply. In addition, the requirements in paragraph KD-931 (b) havebeen modified to clarify that the wire winding is considered to be a "layer" for the purpose of determining whether leak-before-burst can be assumed.

KD-230 Revision Para. KD-240 is updated to replace the strain limit of 5% at the collapse load with a strain limit that is based on the material and triaxial (hydrostatic) stress. Para. KD-240 is renumbered to KD-230.

KD-312.2 Revision This revision clarifies that the variable, salt(ij), is a positive number.

KD-312.4 (a), KD-322 (b), Figures KD-320.1, KD-320.1M, KD-320.2, and KD-320.2M, Tables KD-320.1 and KD-320.1M

Revision (1) KD-312.4(a), KD-322(b) - Revised to include nonwelded parts made of forged carbon or low alloy steels with UTS < 90ksi.(2) Figs. KD-320.1, KD-320.1M, KD-320.2, KD-320.2M - General Note (d) deleted; (3) Tables KD-320.1, KD-320.1M - (a) Revised line for Fig. 320.2 to corresond to Welded UTS< 80 ksi; (b) Added line for Fig. 320.2 for Welded UTS 15-130 ksi; (c) General Note (d) (3) revised by added UTS < 80 ksi; (d) New General Note (d) (4) containing equation for the number of design cyles for welded parts with UTS = 115-130 ksi; (4) Fig.s KD-320.2, KD-320.2M - New General Note (b) stating "Interpolate for UTS = 80-115 ksi"

KD-401(a) Revision A formal definition of a crack is added to Article KD-4 [Fracture Mechanics Evaluation].

KD-502 Revision Adds definition for F1, the total longitudinal force on the cylinder at the maximum autofrettage pressure.

KD-850, Fig. Revision Figure KD-850 – Clarification of the location and the required weld detail for the attachment of the support to the vessel required (a) removing the arrow in sketches (a) and (b) which points to a non-code weld (the weld between the vertical gussets and the horizontal plate (or rings)),(b) the addition of two arrows in sketches (a) and (b) pointing to the Code welds located between the support and the vessel

KE-101M, Table Revision The values in Table KE-101M were corrected in accordance with Appendix I, Guidance for the Use of US Customary and SI Units in the ASME Boiler And Pressure Vessel Code.

KS-132(c) Addition This new paragraph addresses the parenthetical information below the data lines on the nameplate, such as (Design Pressure). This parenthetical information may be either stamped, etched, or engraved on the nameplate, or directly stamped on the vessel if done with low stress-type stamps.

Subpart/Table: Part KE


Subpart/Table: Part KS






Appendix H, H-110 Errata Corrected design factors discussed within the text of Appendix H, H-110; "Di " was changed to "DI", and "y " was changed to "Y "

1932-5, 2130-4, 2390-2, and 2451-1

Revision Code Cases 1932-4, 2130-3, 2390-1, and 2451 were revised to reflect the reoganization to Article KD-2, and renumbering of paragraphs.

2514-1 Revision Revised Code Case 2514, adding an alternative chemistry composition in place of the step cooling tests in paragraph (19). The revision adds the statement "When purchaser agrees, the chemical composition limit specified in API 934 may be used in lieu of step cooling tests", consistent with the provisions of paragraph 5.5.3.2 of API 934

2556 Revision This case was prepared to address issues involved with Manufacturer affirmation of material properties when using ASME Codes within the context of the European Pressure Equipment Directive.


2561 Revision This new code case provides an option for a Manufacturer to use an electronic system of overpressure protection that meets the requirements for Safety Inegrity Level 3 in ANSI/ISA-84.00.01-2004 Part 1 (IEC 61511-1 Mod). The system will also be protected by preventing the pressure from rising to more than 25% above the design pressure

2563 Revision Adopted Code Case 2563, permitting the use of 6061-T6 Aluminum in Section VIII, Division 3 construction. This material is intended for vessels in High Pressure Hydrogen Service.

2567 Revision Adopted Code Case 2567, permitting the use of SA-705 Type XM-12, conditions H1075, H1025, H925, and H900 age-hardening stainless steel forging materials to be used in Section VIII, Division 3 construction at temperatures up to 550F (275C).





QW-161.4 Errata Corrected QW-161.4 to change the referenced "Note (2)" to read "Note (b)"

QW-193.1 Errata Corrected reference in QW-193.1 from "QW-287" to read "QW-288"

QW-197.1 Errata Corrected the spelling of "traverse" to read "transverse" in QW-197.1

QW-199.2 Errata Revised QW-199.2 to correct reference from "QW-197.3" to read "QW-199.1.3"

QW-202.1 Errata Revised QW-202.1 to change reference from "QW-202.2(c) and (d)" to read "QW-202.2(c)"

QW-253, QW-254, QW-255 & QW-256

Revision Revised the tables of QW-253, QW-254, QW-255 and QW-256 to delete references to QW-403.7 as an applicable variable. Table QW-451.1 has been revised to address the limitations on qualified base metal thickness based upon test coupon thickness which were previously addressed by QW-403.7.

QW-284 Revision Revised QW-284 to clarify that resistance welding qualification tests on either P-No. 5X Zirconium or P-No.6X Titanium alloys qualify the welding machine for welding the other alloy

QW-300.2(d) Errata Revised "weld" to read "welding" in QW-300.2(d) to correct an error in terminology for consistency with the rest of Section IX.

QW-322.1 Revision Revised QW-322.1 to clarify that welder performance qualification maintenance welds must be performed using the specific welding process

QW-322.1(a) Revision Revised QW-322.1(a) to clarify that welding activities to support continuity of the welder (or welding operator) performance qualifications must be performed under the supervision and control of the qualifying organization.

QW-384 Revision Revised QW-384 to clarify that resistance welding qualification tests on either P-No. 5X Zirconium or P-No.6X Titanium alloys qualify the welding operator for welding the other alloy

QW-403.16 Errata Revised QW-403.16 to correct reference from "QW-381(c)" to read "QW-381.1(c)"

QW-403.7 Revision Deleted QW-403.7, and revised Table QW-451.1 to address the limitations on qualified base metal thickness based upon test coupon thickness which were previously addressed by QW-403.7.

QW-404.30 Errata Revised QW-404.30 to correct the reference from "QW-452.1" to read "QW-452.1(b)"

Code Book: IX

Part:

Subpart/Table: Article I


Subpart/Table: Article II


Subpart/Table: Article III


Subpart/Table: Article IV




QW-432, Table Addition Added E(X)XX45 to QW-432 as a F-No.4 electrode, to facilitate the adoption of AWS A5.5/5.5M-2006 as SFA-5.5. This is a new classification of low alloy steel electrode for SMAW welding.

QW-432, Table Revision Deleted EXXX(X)-25, to facilitate the adoption of AWS A5.4/A5.4M:2006 in Section II, Part C.

QW-451.1 Revision Revised Table QW-451.1 to address the limitations on qualified base metal thickness based upon test coupon thickness which were previously addressed by QW-403.7.

QW/QB-422, Table Revision Revised Table QW/QB-422 and Appendix D under SA-240 and SA-666 to correct information for UNS S20100 due to reduced tensile strength values which were adopted in the updated Specifications.

QW/QB-422, Table Revision Revised Table QW/QB-422 to correct the UNS designations listed under SA-738 by adding UNS K02008 and deleting K12001

QW/QB-422, Table Addition Added UNS S34710 to Table QW/QB-422 under SA-213 TP347HFG, correcting an oversight from a previous action.

QW/QB-422, Table Revision Add A108 8620CW, assigned to S-No.3, Gr. 3, which was previously covered in A331. DeletedS-Numbers for the following obsolete ASTM Specifications: A 167 Types 301, 302, 304, 304L, 309S, 310S, 316L, 317, 317L, 321, 347 and 348; A 271 Types 304 and 304L; A 331 Grade 8620CW; A 441 Grades 1 & 2; A 446 Grade A; A 514 Grades J & D; A 570 Grades 30 through 50; and A 611 Grades A, B and C.

QW/QB-422, Table Revision Added new lines to Table QW/QB-422 to provide accurate tensile strength data for UNS N08367 under SB-366, SB-675, SB-676, SB-688 and SB-690 based upon section thickness

QW/QB-422, Table Errata Revised line entry in Table QW/QB-422 for A 356, UNS J80490 to correct the material grade from "12" to read "12A"

QW/QB-422, Table Errata Revised the line for SA/EN 10028-2 to change the Type/Grade from "295GH" to "P295GH", and also revised the line for SA/EN 10028-3 to change the Type/Grade from "275GH" to "P275GH"

QW/QB-422, Table Errata Revised the line for SA-738 Grade B in Table QW/QB-422 to correct the UNS Number from "K12001" to "K12007"

QW/QB-422, Table and Appendix D

Revision Revised Table QW/QB-422 and Appendix D to replace SA-336 with SA-965, facilitating the adoption of ASTM A 965/A 965M-1999 as SA-965 for high alloy steel forgings.


Addition Added SB-928, UNS A95083, A95086 and A95456 to Table QW/QB-422 and Appendix D as a P-No.25 material, facilitating the adoption of ASTM A 928-2004 as SB-928


Revision Revised Table QW/QB-422 and Appendix D to delete UNS S31277 from SA-182 and SA-480, as this alloy was incorrectly added, but is not included in SA-182 and SA-480 is not a product specification but a general specification.


Addition Added UNS S32906 to Table QW/QB-422 and Appendix D as a P-No.10H material under SA-240, SA-789 and SA-790; incorporating Code Case 2295


Addition Added UNS N10242 to Table QW/QB-422 and Appendix D as a P-No.44 material under SB-366, SB-434, SB-564, SB-573, SB-619, SB-622 and SB-626; incorporating Code Case 2319-2.


Addition Added UNS S39274 to Table QW/QB-422 and Appendix D under SA-182, SA-789 and SA-790 as a P-No.10H material; incorporating Code Case 2316.


Addition Added UNS R30556 to Table QW/QB-422 and Appendix D as a P-No.45 material under SB-366


Addition Added F3VCb and 3VCb alloys to Table QW/QB-422 and Appendix D as a P-No.5C material under SA-182, SA-336, SA-508, SA-541, SA-542 (Gr.E, Cl. 4a), and SA-832 (23V); incorporating Code Case 2151-1.



QW/QB-492 Addition Added a definition for the term "macro-examination" as follows: "macro-examination - the process of observing a specimen cross-section by the unaided eye, or at a specified low magnification, with or without the use of smoothing and etching."

Adoption of SWPS Specifications

Addition Adopted AWS SWPS B2.1-1-234 for FCAW and SWPS B2.1-1-235 for GMAW-S for use primarily in welding carbon steel pipe applications

QB-482, QB-483 & QB-484

Revision Revised QB-482, QB-483 and QB-484 sample brazing document forms to improve the consistency of terminology, correct reference errors, and incorporate essential variable and nonessential variable paragraph references.

SA-995 Errata Corrected material grade for SA-995 (P-No.10H) from "1A" to read "2A"

Subpart/Table: Article V


Subpart/Table: Article XIV


Subpart/Table: Appendix D




RD-1120.1, Fig. Revision The "Method B only" division lines on the curve have been revised to concur with the values of100 psig and 144 inches in paragraph RD-1120(a). The US customary unit for pressure has been revised to "psig" instead of "psia" since pressure as defined in the ASME BPV is "psig". The y-axis units for metric pressure has been revised by deleting "absolute" and revising the scale itself to reflect absolute which agrees with common usage.

RD-1172, Nonmandatory Appendices

Revision Poisson's ratio variables were revised. Added Nonmandatory Appendix AI, Rigorous NASA SP-8007 Solution for Lateral and Longitudinal Pressure, to provide for an alternative method of calculating the allowable external pressure for cylindrical shells.

RT-330 Revision The previous requirements for volumetric expansion test result differences between the qualification and production vessels of +/- 5% was considered to be too stringent for small vessels considering the 6X design factor. The revision eliminates the lower limit for volumetric expansion requirement for small vessels.

Code Book: X

Part:

Subpart/Table: Part RD


Subpart/Table: Part RT




IWA-1400(q) Addition Allow methods other than written signature for certification, authorization, and approval (e.g. electronic signature) of records.

IWA-1700 Errata Deletes reference to Manufacturer’s Data Reports.

IWA-2316 Revision Revised IWA-2316 to clarify limitations on use.

IWA-2321 Vision Tests Revision Revised to implement Code Case N-753 to allow use of heath care professionals to administer the vision acuity examinations independent of other requirements.

IWA-2323 Revision Changed the "Total" number of Level III Basic test questions in IWA-2323 from 50 to 65.

IWA-4120(a) & (b)(7) Revision This revision and Intent Interpretation clarify that, since the 2001 Edition, all Class 1 tube plugs are pressure retaining under Section XI, and that only welded Class 2 and 3 plugs are pressure-retaining; Class 2 and 3 mechanical plugs are exempt.

IWA-4132 Revision Revised IWA-4132 to delete reference to preservice inspection.

IWA-4142.1 & Glossary Addition This change allows owners of plants constructed in accordance with Section III to qualify Material Organizations, utilize the provisions from Section III for unqualified source material, and utilize the exemptions of NX-2610 (b) and (c)

IWA-4540 Revision Revised to inlcude requirements for pressure testing of vessel repair/replacement activities consistent with those for piping, pumps, and valves.

IWA-4712.2 Revision Revised IWA-4712.2 (b)(4) to clarify that the addition of other welding positions than those already qualified is an essential variable.

IWA-5242 Revision Eliminated confusion with IWA-5241 being titled as “Insulated and Noninsulated Components”and then IWA-5242 being titled “Insulated Components”.

IWA-5251 Addition New paragraph IWA-5251 allows an evaluation in lieu of pulling the bolts when leakage is found at bolted connections in a system borated for the purpose of controlling reactivity.

Errata Errata Fig IWB-2500-8 (b) corrected by errata

IWB-5222(b) & Table IWB 2500-1, Catagory B-P

Revision Added new Item No. B15.20 to Table 2500-1, Category B-P to separate the testing of Class 1 components that are pressurized during startup from those that are not pressurized.IWB-5222(b) revised to more clearly describe the test boundaries during the B15.20pressure test.

IWE-5221, 5222, 5223,5224, 5250

Revision Revised the system pressure test requirements of IWE-5000 by providing specific leak test requirements that may be used in lieu of pneumatic leakage tests imposed by reference to 10CFR50, Appendix J.

Code Book: XI

Part: Div. 1

Subpart/Table: IWA


Subpart/Table: IWB


Subpart/Table: IWE




IWF-2430 Revision Revised IWF-2430 to clarify that scope expansion is only if the examinations identify conditions that require corrective measures.

IWL-2100, IWL-2310, IWL-2320, IWL-4110, IWL-2330

Revision Requires that personnel performing general and detailed visual examinations of concrete containments meet specific qualification requirements

IWL 2526 & Table IWL 2500-1

Revision Revise IWL-2526 to clarify requirements for replacing corrosion protection medium and Revised Table IWL-2500-1, Category L-B,for measuring and replacing corrosion protection medium.

Appendix I, I-2400 Revision Revised Appendix I to allow use of Section V, or Section XI, Appendix VIII for ultrasonic examination of Threads in Flange (Item No. B6.40)

Appendix I, Supplement 9

Revision Revised Appendix I, Supplement 9 to clarify that 45 and 60 degree search units are also required for examinations conducted from the outside surface and the inside surface of unclad components.

Appendix VII , VII-4240 Revision Approve Intent Inquiry and revise Appendix VII, Par. VII-4240 to clarify that Annual Practice applies only to UT Level II and Level III personnel.

Appendix VIII - Supplement 4 and 6

Revision Revised Supplement 4 and 6 to allow a representative distribution of flaw depths instead of a uniform distribution and reduced the minimum flaw size specified in Supplement 4 to 50% of allowable as required by 10CFR50.55a, and removed unwarranted requirements for sizing of off-axis flaws.Code change does not appear to properly revise Supplement 4, Par 2.0 and 4.3 per the voted action. ASME has been notified.

Appendix VIII, Supplement 12

Revision This limit is consistent with the current PDI program & 10CFR50.55a limits

Appendix VIII, Supplement 7

Revision Revised Appendix VIII, Supplement 7 to require a performance demonstration for personnel.

Appendix VIII, VIII-3120(b)

Revision Revised VIII-3120(b) to clarify qualification requirements for length and/or depth sizing of axial flaws in those Appendix VIII, piping Supplements that otherwise contain no provisions.

Appendix A, A-4300. Errata Errata to Appendix A, A-4300.

Appendix N, Table N-1000

Revision Revise Appendix N to update and address the 2001 Edition with 2003 Addenda

Appendix O, O-3220(b) Errata Exponent for equation for S<sub>R changed from -22 to -2.2

Subpart/Table: IWF


Subpart/Table: IWL








Appendix Q Revision Revised Q-1000 and Q-3000 to address correction of defects other than SCC. Revised Q-4000 to clarify when pressure testing is required. Revised Case N-504-3 to clarify the as found flaw is used in flaw evaluations.

Appendix R, R-1310 Revision Added a reference to RA-Sb-2005 Addenda to Nonmandatory Appendix R, R-1310 Adequacy of the PRA.

Appendix R, Table R-2500-1

Revision Added the terms “Localized Corrosion” and “General Corrosion” to Nonmandatory Appendix R, Table R-2500-1.

N-307-3 and N-323-1 Revision Will be annulled in 2007 Edition Supplement 1

N-334 Revision Code Case N-334 was incorporated into the 1994 Addenda of ASME XI.

N-532-4 Revision A requirement was added to prepare, certify, and submit the OAR-1 report within 90 days upon completion of a refueling outage. Eliminated the abstract of completed examination and tests. Forms NIS-2A and OAR-1 were revised. Removed the requirement to report conditions necessitated by a corrective measure.

N-574 Revision Annulment effective 7/14/2006. Code Case N-574 was incorporated in the 1997 Addenda of Section XI but has not been endorsed by the NRC in R.G. 1.147.

N-638-2 Revision Changes 1.0 (a) of Code Case N-638-2 from a size limitation of 100 square inches to 500 squareinches.

N-638-3 Revision Section XI - Revised CC N-638-X to initiate the 48 hour NDE hold after completion of the third weld layer for Ambient Temperature Temperbead Repair and Replacement activities where austenitic welding filler materials are used.

N-666 Addition Allow weld reinforcement of defective socket welds.

N-686-1 Revision Revised Code Case N-686 to allow for extension of the applicability to the 2004 Edition of Section XI.

N-694-1 Errata Revised Code Case N-694 for RPV Upper Head Penetrations to add acceptance Criteria and Evaluation Methods for RPV Bottom Head Penetrations. The word "upper" was deleted from the Code Case title. Other errata were also corrected. 2007 Code Cases: Nuclear Components "Summary of Changes" (page vii) and "Numeric Index" (page xiii) indicate Errata on page 5; however, no margin identfier, "E" was indicated on the affected page.

N-705 Addition Provides evaluation rules and criteria to allow temporary operation of moderate energy vessels and tanks which contain degradation.

N-706 Revision Adds requirements for inside radius sections and the reinforcement plates of the Regenerative and Residual Heat Removal Heat Exchangers.

N-706-1 Revision Revision to Code Case N-706, which allows downgrading inservice examination requirements for the regenerative and residual heat removal heat exchangers from surface and volumetric to visual. Code Case N-706-1 addresses the inside section radius sections and reinforcement platesof the heat exchangers, which were not included in Code Case N-706.

N-716 Addition Alternative Piping Classification and Examination Requirements Based Upon Risk-Informed and Safety-Based Insights

N-729 Revision Changes to Figure 2 and additional requirements under method 2 of Mandatory Appendix I.

N-730 Addition Approval of Code Case for Roll-Expansion of Class 1 Control Rod Drive Bottom Head Penetrations in BWRs

N-735 Addition Approve Code Case N-735 "Alternate Successive Inspection Requirements for Class 1 and 2 Piping Components other than Class 1 and 2 Vessels and Supports”, Section XI, Division 1





N-739 Addition Requires that personnel performing general and detailed visual examinations of concrete containments meet specific qualification requirements

N-739-1 Revision Provided detailed requirements for instructional material used to qualify personnel performing IWL inspections. This revision was approved on 1/21/07 and is scheduled for publication in Supplement 1 to the 2007 Edition.

N-740 Addition This Case extends the use of overlays to dissimilar metal welds, permits application to some ferritic and austenitic nickel base materials, allows the use of nickel alloy filler materials in addition to SS filler materials.

N-751 Addition Code Case N-751 to accept Appendix J Test for post-Repair/Replacement pressure testing requirements for Class 2 Containment Penetration Piping

N-762 Addition Adopt Section IX, QW-290 for Section XI temper bead welding procedure qualifications. This Code Case provides additional requirements for Section XI applications. The Case was approved on 1/2/07 and is scheduled for publication in Supplement 1 to the 2007 Edition.

IWX-2411-1 Revision Delete Inspection Program A from IWA, IWB, IWC, IWD, IWE and Appd R

Various Errata Incorporate the Errata approved at the 08/10/06 SC XI Meeting

Various Errata The changes are errata to the 2004 Edition for incorporation into the 2007 Edition.

Various Revision Replacing the term ‘Safety Factor’ in Section XI with the term ‘Structural Factor’ assures consistency with the rest of the Code.

Subpart/Table:




TG-130 Revision Revised TG-130 to relocate ADR 2003 and CFR from TG-130.2 to TG-130.1; and revised references to PTC 25, ASME QAI-1 and ANSI/NB-23 to reflect the adoption of updated versions.

TG-410 Revision Revised the definitions for "Certified Individual" and "Qualified Inspector", referencing the requirements for their qualifications and their assigned duties in QAI-1.

TM-130.2-1, Table Revision Deleted SA-562, a specification for steel plates for glass lined pressure vessels, since it was determined this specification had no use in Section XII construction.

TM-130.2-2, Table Revision Revised Table TM-130.2-2 to add SA-965 and deleted SA-336 to facilitate the adoption of ASTM A 995-99 as SA-995. This specification covers the high alloy steel forgings previously covered by SA-336.

TM-130.2-3, Table Revision Added SB-928, UNS A95083, A 95086 and A95456 into Table TM-130.2-3 to facilitate the adoption of ASTM B 928-04a as SB-928.

TS-200.5(f) Revision Revised TS-200.5(f) to clarify who is required to accept changes in the Quality Control System for the different vessel classes in Section XII.

TP-200(a) Revision Revised TP-200(a) first sentence to change reference to the National Board "R" Certificate of Authorization to read "TR", making this new Certificate a requirements for the Repair of Transport Tanks.

Modal Appendix 1 Revision Added Modal Appendix 1 (MA-1), addressing specific requirements for Cargo Tanks (Highway Tanks) for substantial numbers of Hazardous Material Tanks under U. S. Department of Transportation (DOT) jurisdiction. The tanks range from 3psi to 500psi design pressure and with shell temperatures up to 650F. There are provisions in DOT Regulations for appurtenances beyond the pressure boundary, which will be addressed in Mandatory AppendixXIII, which is under preparation for future publication.

Code Book: XII

Part:

Subpart/Table: Part TG


Subpart/Table: Part TM


Subpart/Table: Part TS


Subpart/Table: Part TP


Subpart/Table: Modal Appendices




Appendix VIII Revision Added Mandatory Appendix VIII, addressing requirements for the design of transport tanks having design pressures less than 15 psi, including tanks of both circular and noncircular cross sections.

Appendix XIII Revision Added a title page for Mandatory Appendix XIII, Equivalent Tank Wall Thickness as a place holder for this Appendix under preparation for future publication.

2504 Addition Adopted Code Case 2504, raising the maximum use temperature for 201LN, UNS S20153 stainless steel from 100F to 800F for Section XII construction.

2504-1 Revision (1)The allowable stresses were re-analyzed and new (lower) values generated for 200-400F. (2) New External Pressure Chart (EPC) assignment ; changed from CS-2 to HA-6.(3) Unnecessary paragraphs that duplicate existing code requirements eliminated.(4) Wording of inquiry revised to reflect existing 100 F (38 C) allowed use.





2007 synopsis

Documents

quality assurance

small nozzle

duplex stainless

reversing

step cooling

structural

integrally

hsb code servicessynopsis