Company Name Madina Trading & Contracting Est. Mechanical Division

KEY INFORMATION QUESTIONS ANSWERS

File Reference File Details KH/Excel/Welding/WPS008

Test Conducted On Date of Test 18 - JUN - 98

Reviews & Approvals Prepared By KEITH HARMERDepartment ENGINEERINGDate Prepared 18 - JUN - 98Reviewed By R. VAIRAMANIDepartment QA / QCDate Reviewed 18 - JUN - 98Approved By S.E. LANGLEYDepartment BUREAU VERITASDate Approved 18 - JUN - 98

Welder Details Welder ID MW 0256Employee No. 00078Name SANTHOSH NAIRLocation of Test MADINA WORKSHOP, SALWA, QATAR.

Original PQR Details WPS No. 005Revision No. 000Supporting PQR 005Welding Process SMAWElectrode Polarity +VePQR Position 3GPositions 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 FLAME CUT &/OR GRINDIncluded Angle 37.5 Deg +/- 2 DegMaterial Thickness 10.0 mmRoot Gap 2.5 - 3.0 mmRoot Face 1.0 - 2.0 mmBacking NONE

Base Metal Details Material Specification ASTM A299Type or Grade GRADE LREH 36Heat Number 0183From - P No. 1To - P No. 1Diameter of Test Coupon 4"Other NONE

Welding Consumables Electrode Brand LINCOLNSize of Filler Metal 2.5 & 3.25 mmSFA / AWS No 5.1& 5.5

Classification E7018Type of Flux NOT APPLICABLEOther NONE

Inert Gas Details Gas Type N/AGas Flow Rate N/AGas Mixture N/AOriface / Cup Size N/ABacking Gas N/ABacking Flow Rate N/ABacking Gas Mixture N/A

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

Interpass Temperature Interpass Temperature NOT TO EXCEED 200 °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. P1 - GROUP No. 2

Plate & Pipe Ranges ASME IX 4.75 - 20.00 mm (ASME IX) OTHERS NOT APPLICABLEDiameter ALLPQR Filler Metal F Nos. F4PQR Filler Metal A Nos. A2Interpass Cleaning Method GRINDING & BRUSHINGMethod of Back-Gouging NOT APPLICABLETungsten Type NOT APPLICABLETungsten Size NOT APPLICABLE

NOT APPLICABLE

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 90 CuNi 1.6 mm Direct +Ve 88 90 - 120 24 7 - 10 60 94 - 125 2.11 AmbientPass No. 2 90 CuNi 1.6 mm Direct +Ve 100 81 - 110 25 9.3 - 12.6 42 75 - 95 3.57 90Pass No. 3 90 CuNi 2.4 mm Direct +Ve 95 - 128 9 - 12 95 - 120& Above

TENSILE TESTDimensions UTS Fracture Comments

Mark No. Type mm Area mm2 UTL kN N/mm2 Position Location251 Cross-weld 2.5 x 18.8 47.0 15.9 338 Parent Mat'l 12 O' Clock 252 Cross-weld 2.8 x 19.3 54.0 18.2 337 Parent Mat'l 6 O' Clock

BEND TESTFormer Dia Comments

Mark No. Type Bend Angle mm Result Location253 Face Bend 180° 8 t Acceptable 1-2 O' Clock 254 Face Bend 180° 8 t Acceptable 7-8 O' Clock 255 Root Bend 180° 8 t Acceptable 4-5 O' Clock 256 Root Bend 180° 8 t Acceptable 10-11 O' Clock

CHARPY IMPACTLocation Dimensions Temperature Absorbed Energy Average Comments

Mark No. mm °C Joules, J514 W C L 10 x 7.5 -29 22 49 50 40 Nil515 H A Z 10 x 7.5 -29 138 152 134 134 Nil

TEST RESULTS

Visual Examination SATISFACTORYSurface NDT NOT APPLICABLERadiography SATISFACTORYTensile Test SATISFACTORY

Bend Test SATISFACTORYMacro Examination SATISFACTORYFillet Weld Fracture Test NOT APPLICABLECharpy Vee Notch Code ASTM E23Charpy Vee Notch Test SATISFACTORYOther 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. 005

WPS Details Welding Consumables Material Details

WPS No. : 005 Electrode Brand : METRODE Material (QW 403) QualifiedRevision No : 0 SFA / AWS No : 5.7 ANY METAL ASSIGNED TOSupporting PQR : 005 AWS Classificatio : 90 CuNi P34 - P34Welding Process : GTAW Gas Type : ARGON Plate & Pipe DetailsElectrode Polarity : -VE Gas Flow Rate : 10 Ltr/min Thickness : 1.58 - 6 MMPQR Position : 6G Backing Gas : ARGON Diameter : ALLPositions Qualified : ALL

PQR Details Preheat Details Deg C PWHT Details

Weld Direction : UP HILL Pipe to Pipe : Min 20°C TemperatureMax Bead Width : 3 x Core Dia Pipe to Fittings : " TimeMulti / Single Pass : MULTIPASS Fitting to Fitting : " Equipment N/AManual / Automatic : MANUAL OtherTechnique : STRING / WEAVEOscillation : N/A Interpass Temperature : NOT TO EXCEED 200 °C

Joint On Qualification Test Qualified Weld Preparations - Qualified Joint Configuration

### Angle : 35 Deg +/-2 DegThickness : 3.0 mm (t)Root Gap : 2.0 - 2.5 mm (rg)Root Face : 0.5 - 1.0 mm (rf)Backing : NONEPipe Dia : 4" TEST POSITION 6G

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

Pass No. 1 90 CuNi 1.6 mm Direct -Ve 90 - 120 7 - 10 94 - 125Pass No. 2 90 CuNi 1.6 mm Direct -Ve 81 - 110 7 - 10 75 - 95Pass No. 3 90 CuNi 2.4 mm Direct -Ve 95 - 128 9 - 12 95 - 120& Above

ASME Notes Additional Notes

1. PQR Base Matl. P Nos & Group Nos : P342. PQR Filler Metal F Nos. : 343. PQR Filler Metal A Nos. : --4. Interpass Cleaning Method : GRINDING & BRUSHING5. Tungsten Type : 2% THORIATED

PREPARED BY REVIEWED BY APPROVED BY

Name : A.N. SENTHIL KUMAR Name : STEVE LANGLEY Name : C. SIVA KUMAR

Sign : Sign : Sign :

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

Date : 29-06-99 Date : 29-06-99 Date : 01-07-99

EXCEL/welding/WPS005

Madina Trading & Contracting Est. Mechanical Division

PROCEDURE QUALIFICATION RECORD

PQR : 005 REV : 0 Sheet : 1 of 2

Company Name : Madina Trading & Contracting Est. Mechanical Division

Procedure Qualification Record No : 005 Date : 24-JUNE-1999

WPS No. : 005 Welder ID : MW 0256

Welding Process : GTAW Name : SANTHOSH NAIR

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

JOINTS (QW - 402)

###

################## Angle : 35 Deg +/- 2 Deg

Thickness : 3.0 mm (t)Root Gap : 2.0 -2.5 mm (rg) TEST POSITION 6GRoot Face : 0.5 - 1.0 mm (rf)Backing : NONE

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

Material Specification : ASTM B466 UNSC70600 TemperatureType or Grade : N/A TimeHeat Number : 650484/12 Equipment Type N/AFrom P No. : 34 To P No. : 34 OtherThickness of Test Coupon : 3.0 mmDiameter of Test Coupon : 4"

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

SFA Specification : 5.7 Percent CompositionAWS Classification : 90 CuNi Type Gas(es) Mixtures Flow RateFiller Metal F No. : 34 Shielding ARGON 99.99% 10 LTR/MINWeld Metal Analysis A No. : -- Trailing - - -Size of Filler Metal : 1.6 mm Backing ARGON 99.99% -Weld Metal Thickness : 3.0 mm Other - - -Other : NOT APPLICABLE

POSITION (QW - 405) ADDITIONAL NOTES

Position of Groove : 6GWelding Progression : UP HILLOther : NOT APPLICABLE

PRE - HEAT (QW - 405)

Pre-Heat Temperature : 30°CInterpass Temperature : REFER TABLEEquipment Type : NOT APPLICABLEOther : NOT APPLICABLE

Excel/Welding/WPS 005

Madina Trading & Contracting Est. Mechanical Division

PROCEDURE QUALIFICATION RECORD

PQR : 005 REV : 0 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 90 CuNi 1.6 mm Direct -Ve 105 8.8 0.5 111.1 170Pass No. 2 90 CuNi 1.6 mm Direct -Ve 96 8.6 0.58 85.7 130

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

mm mm2 kN N/mm2 Position

251 Cross-weld 2.5 x 18.8 47.0 15.9 338 Parent Mat'l 12 O' Clock 252 Cross-weld 2.8 x 19.3 54.0 18.2 337 Parent Mat'l 6 O' Clock ]BEND TEST TEST SPECIFICATION - ASME IXMark No. Type Bend Angle Former Diameter Result Comments/Location

253 Face Bend 180° 8 t Acceptable 1-2 O' Clock 254 Face Bend 180° 8 t Acceptable 7-8 O' Clock 255 Root Bend 180° 8 t Acceptable 4-5 O' Clock 256 Root Bend 180° 8 t Acceptable 10-11 O' Clock

CORROSION TEST TEST SPECIFICATION - ASTM G48

Mark No. Type Method Details Result Comments '2

g/m

TEST HOUSE LABORITOR : MTS INTERNATIONAL HOLDING Test No. AD-91436 Rev'n 0WITNESSED BY : BUREAU VERITAS, INTERNATIONAL REGISTER, ABU DHABI, U.A.E.

Visual Examination : SATISFACTORY Tensile Test : SATISFACTORYSurface NDT - DPI : SATISFACTORY Bend Test : SATISFACTORY

Report No : QIS/MADN/DPI/005/VP/01Radiography : SATISFACTORY OVERALL TEST RESULT ACCEPTABLE

Report No : QIS/MADN/RT/005/RK/01 We certify that the statements in the record above arecorrect in accordance with the standard indicated above.

PREPARED BY REVIEWED BY APPROVED BY Name : A.N. SENTHIL KUMAR Name : STEVE LANGLEY Name : C. SIVA KUMAR

Sign : Sign : Sign :

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

Date : 29 - 06 - 99 Date : 29 - 06 - 99 Date : 01 - 07 - 99

Excel/Welding/WPS005