Company Name Madina Trading & Contracting Est. Mechanical Division

KEY INFORMATION QUESTIONS ANSWERS

File Reference File Details KH/Excel/Welding/WPS014

Test Conducted On Date of Test 06 - JUNE - 98

Reviews & Approvals Prepared By KEITH HARMERDepartment ENGINEERINGDate Prepared 03 - JULY - 98Reviewed By R. VAIRAMANIDepartment QA / QCDate Reviewed 03 - JULY - 98Approved By S.E. LANGLEYDepartment BUREAU VERITASDate Approved 03 - JULY - 98

Welder Details Welder ID MW 00171Employee No. 00171Name TAMADA SRINULocation of Test MADINA WORKSHOP, SALWA, QATAR.

Original PQR Details WPS No. 014Revision No. 000Supporting PQR 014Welding Process GTAWElectrode Polarity -VePQR Position 6GPositions Qualified ALL

Welding Details Weld Direction UPHILLMaximum Bead Width 3 x Core DiaMulti / Single Pass MULTIPASSManual / Automatic MANUAL

Technique Technique STRING / WEAVESingle/Both Sides SINGLEMultiple/Single Electrode SINGLEOscillation MANUALOther NOT APPLICABLE

Joint on Qualification Test Joint Type BUTT WELDMethod of Preparation PLASMA CUT &/OR GRINDIncluded Angle 37.5 Deg +/- 2 DegMaterial Thickness 3.0 mmRoot Gap 2.5 - 3.0 mmRoot Face 1.0 - 2.0 mmBacking NONE

Base Metal Details Material Specification TP 316LType or Grade N/AHeat Number 74082From - P No. 8To - P No. 8Diameter of Test Coupon 4"Other NONE

Welding Consumables Electrode Brand HOBARTSize of Filler Metal 2.4 mmSFA / AWS No 5.9

Classification ER 316LType of Flux NOT APPLICABLEOther NONE

Inert Gas Details Gas Type ARGONGas Flow Rate 10 LTR/MINGas Mixture 99.99 %Oriface / Cup Size 10 mmBacking Gas ARGONBacking Flow Rate 10 LTR/MINBacking Gas Mixture 99.99 %

Preheat Details Pipe to Pipe AMBIENTPipe to Fittings AMBIENTFitting to Fitting AMBIENTSpare Line 1Spare Line 2

Interpass Temperature Interpass Temperature NOT TO EXCEED 150 °C

PWHT Details Temperature NOT APPLICABLETime NOT APPLICABLEEquipment Type NOT APPLICABLEOther NOT APPLICABLELine 5

PQR Material Details (QW 403) Qualified ANY METAL ASSIGNED TOCode/Testing Standard ASME IXOther Codes/Standards NOT APPLICABLEP No. / Group No. P8 Group No. 1

Plate & Pipe Ranges ASME IX 1.58 -6.0 mm (ASME IX) OTHERS NOT APPLICABLEDiameter ALLPQR Filler Metal F Nos. F6PQR Filler Metal A Nos. A7Interpass Cleaning Method GRINDING & BRUSHINGMethod of Back-Gouging NOT APPLICABLETungsten Type 2 % THORIATEDTungsten Size 2.4 mm

WPSPASS WELDING ELECTRODE CURENT TYPE ACTUAL WPS ACTUAL WPS TRAVEL TRAVEL ACTUAL INTERNUMBER ELECTRODE DIA (mm) & POLARITY AMPS AMPS VOLTS VOLTS SPEED SPEED KJ/mm Temp°CPass No. 1 GTAW - ER 316L 2.4 mm Direct -Ve 63 55 - 70 11 10 - 12 51 45 - 55 0.82 AmbientPass No. 2 GTAW - ER 316L 2.4 mm Direct -Ve 74 70 - 80 11 10 - 12 37 30 - 45 1.32 40Pass No. 3 GTAW - ER 316L 2.4 mm Direct -Ve 60 55 - 70 11 10 - 12 45 40 - 50 0.88 79

TENSILE TESTDimensions UTS Fracture Comments

Mark No. Type mm Area mm2 UTL kN N/mm2 Position Location669 Cross-weld 2.3 x 13.0 29.9 17.9 599 Fusion Line 12 o'clock 670 Cross-weld 2.7 x 13.0 35.1 20.8 593 Fusion Line 6 o'clock

BEND TESTFormer Dia Comments

Mark No. Type Bend Angle mm Result Location671 Face Bend 180° 4 t Acceptable 1-2 o'clock 672 Face Bend 180° 4 t Acceptable 7-8 o'clock 673 Root Bend 180° 4 t Acceptable 4-5 o'clock 674 Root Bend 180° 4 t Acceptable 10-11 o'clock

CHARPY IMPACTLocation Dimensions Temperature Absorbed Energy Average Comments

Mark No. mm °C Joules, J

TEST RESULTS

Visual Examination SATISFACTORYSurface NDT NOT APPLICABLERadiography SATISFACTORYTensile Test SATISFACTORY

Bend Test SATISFACTORYMacro Examination SATISFACTORYFillet Weld Fracture Test NOT APPLICABLECharpy Vee Notch Code NOT APPLICABLECharpy Vee Notch Test NOT APPLICABLEOther Tests HARDNESS - OKOVERALL TEST RESULT ACCEPTABLE

mm2

4 t4 t4 t4 t

TEST SPECIFICATION - Interpass Temperature kN N/mm2 Position Location

Parent Mat'l

TEST SPECIFICATION - Interpass TemperatureLocation

Acceptable 1 - 2 o'clock Acceptable 7 - 8 o'clock Acceptable 4 - 5 o'clock Acceptable 10-12 o'clock

### Madina Trading & Contracting Est. Mechanical Division

WELDING PROCEDURE SPECIFICATION - No. 014

WPS Details Welding Consumables PQR Material Details

WPS No. : 014 Electrode Brand : HOBART Material (QW 403) QualifiedRevision No : 000 SFA / AWS No : 5.9 ANY METAL ASSIGNED TOSupporting PQR : 014 Classification : ER 316L P8 Group No. 1Welding Process : GTAW Type of Flux : NOT APPLICABLE Plate & Pipe DetailsElectrode Polarity : -Ve Gas Type : ARGON Thickness : 1.58 -6.0 mm (ASME IX) PQR Position : 6G Gas Flow Rate : 10 LTR/MIN Thickness : NOT APPLICABLEPositions Qualified : ALL Backing Gas : ARGON Diameter : ALL

PQR Details Preheat Details Deg C PWHT Details

Weld Direction : UPHILL Pipe to Pipe : AMBIENT Temperature : NOT APPLICABLEMax Bead Width : 3 x Core Dia Pipe to Fittings : AMBIENT Time : NOT APPLICABLEMulti / Single Pass : MULTIPASS Fitting to Fitting : AMBIENT Equipment : NOT APPLICABLEManual Automatic : MANUAL Other : NOT APPLICABLETechnique : STRING / WEAVEOscillation : MANUAL Interpass Temperature : NOT TO EXCEED 150 °C

Joint On Qualification Test Qualified Weld Preparations - Qualified Joint Configuration

### Angle : 37.5 Deg +/- 2 DegThickness : 3.0 mm (t)Root Gap : 2.5 - 3.0 mm (rg)Root Face : 1.0 - 2.0 mm (rf)Backing : NONE TEST POSITION 6GPipe Dia : 4" Root Gap : 2.5 - 3.0 mm Root Face : 1.0 - 2.0 mm

Pass Welding Electrode Electrode Current Type Amps Volts Travel Speed Number Welding Class Diameter & Polarity (a) (v) mm / min

Pass No. 1 GTAW - ER 316L 2.4 mm Direct -Ve 55 - 70 10 - 12 45 - 55Pass No. 2 GTAW - ER 316L 2.4 mm Direct -Ve 70 - 80 10 - 12 30 - 45Pass No. 3 GTAW - ER 316L 2.4 mm Direct -Ve 55 - 70 10 - 12 40 - 50

ASME Notes Additional Notes

1. PQR Base Matl. P Nos & Group Nos : P8 Group No. 12. PQR Filler Metal F Nos. : F63. PQR Filler Metal A Nos. : A74. Interpass Cleaning Method : GRINDING & BRUSHING5. Tungsten Type : 2 % THORIATED

PREPARED BY REVIEWED BY APPROVED BYNameName : KEITH HARMER Name : R. VAIRAMANI Name : S.E. LANGLEY

Sign : Sign : Sign :

Dept : ENGINEERING Dept : QA / QC Dept : BUREAU VERITAS

Date : 03 - JULY - 98 Date : 03 - JULY - 98 Date : 03 - JULY - 98

KH/Excel/Welding/WPS014

Madina Trading & Contracting Est. Mechanical Division

PROCEDURE QUALIFICATION RECORD

PQR : 014 REV : 000 Sheet : 1 of 2

Company Name : Madina Trading & Contracting Est. Mechanical Division

Original Procedure Qualification Record No : 014 Date : 06 - JUNE - 98

Original WPS No. : 014 Welder ID : MW 00171

Welding Process : GTAW Name : TAMADA SRINU

Type (Manual / Automatic / Semi-Automatic) : MANUAL Location : MADINA WORKSHOP, SALWA, QATAR.

JOINTS (QW - 402)

###

################## Angle : 37.5 Deg +/- 2 Deg

Thickness : 3.0 mm (t)Root Gap : 2.5 - 3.0 mm (rg)Root Face : 1.0 - 2.0 mm (rf) TEST POSITION 6GBacking : NONE Root Gap : 2.5 - 3.0 mm Root Face : 1.0 - 2.0 mm

BASE METAL (QW - 403) POSTWELD HEAT TREATMENT (QW - 407)

Material Specification : TP 316L Temperature : NOT APPLICABLEType or Grade : N/A Time : NOT APPLICABLEHeat Number : 74082 Equipment Type : NOT APPLICABLEFrom P No. : 8 To P No. : 8 Other : NOT APPLICABLEThickness of Test Coupon : 3.0 mmDiameter of Test Coupon : 4"

FILLER METAL (QW - 404) GAS (QW - 408)

SFA Specification : 5.9 Percent CompositionAWS Specification : ER 316L Type Gas(es) Mixtures Flow RateFiller Metal F No. : F6 Shielding ARGON 99.99 % 10 LTR/MINWeld Metal Analysis A No. : A7 Trailing - - -Size of Filler Metal : 2.4 mm Backing ARGON 99.99 % 10 LTR/MINWeld Metal Thickness : 3.0 mm Other - - -Other : NOT APPLICABLE

POSITION (QW - 405) ADDITIONAL NOTES

Position of Groove : 6GWelding Progression : UPHILLOther : NOT APPLICABLE

PRE - HEAT (QW - 405)

Pre-Heat Temperature : AMBIENTInterpass Temperature : NOT TO EXCEED 150 °CEquipment Type : NOT APPLICABLEOther : NOT APPLICABLE

KH/Excel/Welding/WPS014

Madina Trading & Contracting Est. Mechanical Division

PROCEDURE QUALIFICATION RECORD

PQR : 014 REV : 000 Sheet : 2 of 2

TECHNIQUE (QW - 410)

String or Weave Bead : STRING / WEAVE Single/Both Side : SINGLEOrifice / Cup Size : 10 mm Maximum Weave : 3 x Core DiaInterpass Cleaning Method : GRINDING & BRUSHING Joint Type : BUTT WELDMethod of Back Gouging : NOT APPLICABLE Method of Preparation : PLASMA CUT &/OR GRINDOscillation : NOT APPLICABLE Code/Testing Standard : ASME IXMultiple/Single Pass : MULTIPASS Other Applicable Codes : NOT APPLICABLE

Pass Welding Electrode Electrode Current Type Amps Volts Heat Input Travel Interpass Number Welding Class Diameter & Polarity (a) (v) Kj / mm mm / min Temp°C

Pass No. 1 GTAW - ER 316L 2.4 mm Direct -Ve 63 11 0.82 51 AmbientPass No. 2 GTAW - ER 316L 2.4 mm Direct -Ve 74 11 1.32 37 40Pass No. 3 GTAW - ER 316L 2.4 mm Direct -Ve 60 11 0.88 45 79

TENSILE TEST TEST SPECIFICATION - ASME IXMark No. Type Dimensions Area UTL UTS Fracture Comments/Location

mm mm2 kN N/mm2 Position

669 Cross-weld 2.3 x 13.0 29.9 17.9 599 Fusion Line 12 o'clock 670 Cross-weld 2.7 x 13.0 35.1 20.8 593 Fusion Line 6 o'clock

BEND TEST TEST SPECIFICATION - ASME IXMark No. Type Bend Angle Former Diameter Result Comments/Location

671 Face Bend 180° 4 t Acceptable 1-2 o'clock 672 Face Bend 180° 4 t Acceptable 7-8 o'clock 673 Root Bend 180° 4 t Acceptable 4-5 o'clock 674 Root Bend 180° 4 t Acceptable 10-11 o'clock

CHARPY IMPACT NOT APPLICABLE TEST SPECIFICATION - NOT APPLICABLEMark No. Location Dimensions Absorbed Energy Average Temperature °C Comments

mm Joules, J J

TEST HOUSE LABORITORY : MTS INTERNATIONAL HOLDING Test No. AD-81303 Rev'n 1WITNESSED BY : BUREAU VERITAS, INTERNATIONAL REGISTER, ABU DHABI, U.A.E.

Visual Examination : SATISFACTORY Fillet Weld Fracture Test NOT APPLICABLESurface NDT : NOT APPLICABLE Charpy Vee Notch Test NOT APPLICABLERadiography : SATISFACTORY Other Tests HARDNESS - OKTensile Test : SATISFACTORY OVERALL TEST RESULT ACCEPTABLEBend Test : SATISFACTORY We certify that the statements in the record above areMacro Examination : SATISFACTORY correct in accordance with the standard indicated above.

PREPARED BY REVIEWED BY APPROVED BY Name : KEITH HARMER Name : R. VAIRAMANI Name : S.E. LANGLEY

Sign : Sign : Sign :

Dept : ENGINEERING Dept : QA / QC Dept : BUREAU VERITAS

Date : 03 - JULY - 98 Date : 03 - JULY - 98 Date : 03 - JULY - 98

KH/Excel/Welding/WPS014