Company Name Madina Trading & Contracting Est. - Mechanical Division

KEY INFORMATION QUESTIONS ANSWERS

File Reference File Details Excel/Welding Procedure/WPS004

Test Conducted On Date of Test 16 - JUN - 98

Reviews & Approvals Prepared By R. VAIRAMANIDepartment ENGINEERINGDate Prepared 16 - NOV - 99Reviewed By S.E LANGLEYDepartment QA / QCDate Reviewed 16 - NOV - 99Approved By C. SIVAKUMARDepartment BUREAU VERITASDate Approved 17 - NOV - 99

Welder Details Welder ID MW00078Employee No. 00078Name V.K. MOHANLocation of Test MADINA WORKSHOP, SALWA, QATAR.

Original PQR Details WPS No. 004Revision No. 00Supporting PQR 010 Welding Process GTAW Electrode Polarity -Ve PQR 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 FLAME CUT &/OR GRINDIncluded Angle 37.5 Deg +/- 2 DegMaterial Thickness 11.0 mmRoot Gap 2.5 - 3.0 mmRoot Face 1.0 - 2.0 mmBacking NONE

Base Metal Details Material Specification ASTMA 106Type or Grade GRADE BHeat Number J 734395From - P No. 1To - P No. 1Diameter of Test Coupon 6" SCH XXSOther NONE

Welding Consumables Electrode Brand Hobart, ESAB & LINCOLNSize of Filler Metal 2.4 mm, 2.5 mm & 3.25 mmSFA / AWS No 5.18

Classification ER70S-3 Type of Flux NOT APPLICABLEOther NONE

Inert Gas Details Gas Type ARGONGas Flow Rate 10 LTR/MINGas Mixture 99.99%Oriface / Cup Size 10mmBacking Gas NOT APPLICABLEBacking 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 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. P1 - GROUP No. 1

Plate & Pipe Ranges ASME IX 1.6 - 8.0 mm OTHERS NOT APPLICABLEDiameter ALLPQR Filler Metal F Nos. F6 PQR Filler Metal A Nos. A1Interpass 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 - ER70S-3 2.4 mm Direct -Ve 101.0 90 - 110 12.0 11 - 13 75 70 - 100 0.97 AmbientPass No. 2 GTAW - ER70S-3 2.4 mm Direct -Ve 132.0 120 - 140 14.0 13 - 15 90 70 - 100 1.23 95Pass No. 3 SMAW - E7018 2.5 mm Direct +Ve 93.0 90 - 110 23.0 22 - 25 80 75 - 140 1.60 116Pass No. 4 SMAW - E7018 2.5 mm Direct +Ve 97.0 90 - 110 24.0 22 - 25 120 75 - 140 1.16 145Pass No. 5 SMAW - E7018 2.5 mm Direct +Ve 96.0 90 - 110 23.0 22 - 25 130 75 - 140 1.02 120Pass No. 6 SMAW - E7018 3.25 mm Direct +Ve 121.0 120 - 140 24.0 22 - 25 135 120 - 140 1.29 130Pass No. 7 SMAW - E7018 3.25 mm Direct +Ve 92.0 120 - 140 23.0 22 - 25 130 120 - 140 0.98 133Pass No. 8 SMAW - E7018 3.25 mm Direct +Ve 93.0 120 - 140 24.0 22 - 25 130 120 - 140 1.03 130

TENSILE TESTDimensions UTS Fracture Comments

Mark No. Type mm Area mm2 UTL kN N/mm2 Position Location516 Cross-weld 11.0 x 19.1 210.1 101.7 484.0 Parent Mat'l Nil 517 Cross-weld 10.3 x 19.0 195.7 97.0 496.0 Parent Mat'l Nil

BEND TESTFormer Dia Comments

Mark No. Type Bend Angle mm Result Location518 Face Bend 180° 4 t Acceptable Nil 519 Face Bend 180° 4 t Acceptable Nil 520 Root Bend 180° 4 t Acceptable Nil 521 Root Bend 180° 4 t Acceptable Nil

CHARPY IMPACTLocation Dimensions Temperature Absorbed Energy Average Comments

Mark No. mm °C Joules, J524 W C L 10 x 10 -29 106 33 27 55 Nil525 H A Z 10 x 10 -29 156 194 204 181 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

PROCEDURE QUALIFICATION RECORD

PQR : 010 REV : 01 Sheet : 1 of 2

Company Name : Madina Trading & Contracting Est. - Mechanical Division

Procedure Qualification Record No : 010 Rev.: 01 Date : 28- APRIL-99

Welding Process : GTAW Welder ID : 077

Type (Manual / Automatic / Semi-Automatic) : MANUAL Name : SUBRAMANIANCode/Testing Standard : ASME SECTION IX Location : MADINA WORKSHOP, SALWA, QATAR.

JOINTS (QW - 402)

###

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

Thickness : 22.2 mm (t)Root Gap : 3.0 -4.0 mm (rg)Root Face : 1.0 - 2.0 mm (rf) TEST POSITION 6GBacking : NONE

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

Material Specification : ASTMA 106 Holding Temperature : 625° C +/- 10° CType or Grade : GRADE B Holding Time : 1 HOURHeat Number : J 734395 Heating & cooling Rate : 150 °C / HOURFrom P No. : 1 To P No. : 1 Equipment : ELEC. HEATING TRANSFORMERThickness of Test Coupon : 22.2 mmDiameter of Test Coupon : 6" SCH XXS

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

SFA Specification : 5.18 Percent CompositionAWS Specification : ER70S-3 Type Gas(es) Mixtures Flow RateFiller Metal F No. : F6 Shielding ARGON 99.99% 10 LTR/MINWeld Metal Analysis A No. : A1 Trailing - - -Size of Filler Metal : 2.4 mm / 2.5 mm & 3.2 mm Backing - - -Weld Metal Thickness : GTAW 4 mm , SMAW:18.2 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 : 34° CInterpass Temperature : REFER TABLEEquipment Type : NOT APPLICABLEOther : NOT APPLICABLE

EXCEL/Welding/PQR010

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### Madina Trading & Contracting Est. - Mechanical Division

WELDING PROCEDURE SPECIFICATION - No. 004 Rev. 00

WPS Details Welding Consumables Qualification Range (ASME IX)

WPS No. : 004 Electrode Brand : Lincoln, ESAB, Advani Material (QW 403) QualifiedRevision No : 00 SFA / AWS No : 5.18 ANY METAL ASSIGNED TOSupporting PQR : 010 Classification : ER70S-3 P1 - GROUP No. 1Welding Process : GTAW Type of Flux : NOT APPLICABLE Thickness Qualified (QW 451)Electrode Polarity : -Ve Gas Type : ARGON Base/Weld Metal Thickness 1.6 - 8.0 mm PQR Position : 6G Gas Flow Rate : 10 LTR/MIN Groove Weld Diameter: ALLPositions Qualified : ALL Backing Gas : NOT APPLICABLE Fillet: All thickness & Diameter

Welding Technique Preheat Details Deg C PWHT Details

Weld Direction : UPHILL Pipe to Pipe : Min 45° C Holding Temperature : 625°C +/- 10° CMax Bead Width : 3 x Core Dia Pipe to Fittings : " Holding Time : 1 HOURMulti / Single Pass : MULTIPASS Fitting to Fitting : " Heating&Cooling Rate : 150 °C / HOURManual Automatic : MANUAL Pre-Heat Maintenance : By Torch Equipment : ELEC. HEATING Technique : WEAVE TRANSFORMEROscillation : MANUAL Interpass Temperature : NOT TO EXCEED 250°C

Joint Details Welding Sequence & Qualified Joint Configuration

### Angle : 37.5 Deg +/- 2 DegRoot Gap : 3.0-4.0 mm (rg)Root Face : 1.0 - 2.0 mm (rf)Backing : NONE

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

Pass No. 1 GTAW -ER 70S3 2.4 mm Direct -Ve 96 - 131 8 - 11 70 - 94Pass No. 2 GTAW -ER 70S3 2.4 mm Direct -Ve 132 - 178 8 - 11 96 - 130Pass No. 3 < GTAW -ER 70S3 2.4 mm Direct +Ve 132 - 178 8 - 11 96 - 130

ASME Nubers for Base/Filler/Weld metal & Others Additional Notes

1. PQR Base Matl. P Nos & Group Nos : P1 - GROUP No. 12. PQR Filler Metal F Nos. : F6 3. PQR Filler Metal A Nos. : A14. Interpass Cleaning Method : GRINDING & BRUSHING5. Tungsten Type : 2% THORIATED

PREPARED BY REVIEWED BY APPROVED BYNameName : R. VAIRAMANI Name : S.E LANGLEY Name : C. SIVAKUMAR

Sign : Sign : Sign :

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

Date : 16 - NOV - 99 Date : 16 - NOV - 99 Date : 17 - NOV - 99

Excel/Welding Procedure/WPS004

Madina Trading & Contracting Est. - Mechanical DivisionPROCEDURE QUALIFICATION RECORD

PQR : 010 REV : 01 Sheet : 2 of 2

TECHNIQUE (QW - 410)

String or Weave Bead : STRING / WEAVE Single/Both Side : SINGLEOrifice / Cup Size : 10mm Maximum Weave : 3 x Core DiaInterpass Cleaning Method : GRINDING & BRUSHING Joint Type : BUTT WELDMethod of Back Gouging : NOT APPLICABLE Method of Preparation : FLAME CUT &/OR GRINDOscillation : NOT APPLICABLE Peening : NOT APPLICABLEMultiple/Single Pass : MULTIPASS Others : 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 - ER70S3 2.4 mm Direct -Ve 113-114 9-10 0.78 82.10 110Pass No. 2 GTAW - ER70S3 2.4 mm Direct -Ve 155-157 9-10 0.78 112.90 150Pass No. 3 SMAW - E7018 2.5 mm Direct +Ve 85-95 21-22 1.41 82.00 170Pass No. 4 SMAW - E7018 3.2 mm Direct +Ve 132-140 22-23 1.50 122.20 200Pass No. 5 SMAW - E7018 3.2 mm Direct +Ve 135-140 22-23 2.61 70.90 230Pass No. 6 SMAW - E7018 3.2 mm Direct +Ve 142-147 24-25 2.35 93.70 240Pass No. 7 SMAW - E7018 3.2 mm Direct +Ve 140-148 22-25 2.75 73.80 210Pass No. 8 SMAW - E7018 3.2 mm Direct +Ve 138-145 22-25 1.91 104.00 220Pass No. 9 SMAW - E7018 3.2 mm Direct +Ve 140-148 22-25 2.03 99.90 210Pass No. 10 SMAW - E7018 3.2 mm Direct +Ve 143-148 23-25 1.95 107.10 240Pass No. 11 SMAW - E7018 3.2 mm Direct +Ve 145-152 23-25 1.85 115.30 230Pass No. 12 SMAW - E7018 3.2 mm Direct +Ve 135-145 23-25 1.80 111.40 240Pass No. 13 SMAW - E7018 3.2 mm Direct +Ve 138-195 23-25 2.03 99.90 230Pass No. 14 SMAW - E7018 2.5 mm Direct +Ve 88-95 22-24 1.37 91.80 150Pass No. 15 SMAW - E7018 2.5 mm Direct +Ve 85-95 22-25 1.40 90.50 190Pass No. 16 SMAW - E7018 2.5 mm Direct +Ve 88-95 22-25 1.43 90.00 185Pass No. 17 SMAW - E7018 2.5 mm Direct +Ve 85-95 22-25 1.42 88.80 185Pass No. 18 SMAW - E7018 2.5 mm Direct +Ve 88-95 22-25 1.34 96.00 190TENSILE TEST TEST SPECIFICATION - ASME IXMark No. Type Dimensions Area UTL UTS Fracture Comments/Location

mm mm2 kN N/mm2 Position

261 Cross-weld 21.4 x 19.1 408.7 190.8 467 Parent Mat'l

262 Cross-weld 22.1 x 19.1 422.1 195.2 462 Parent Mat'l

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

263 Side Bend 180° 4 t Acceptable 1-2 O 'Clock 264 Side Bend 180° 4 t Acceptable 7-8 O' Clock265 Side Bend 180° 4 t Acceptable 4-5 O' Clock 266 Side Bend 180° 4 t Acceptable 10-11 O' Clock

CHARPY IMPACT TEST SPECIFICATION - ASTM E23Mark No. Location Dimensions Temperature Absorbed Energy Average Comments

mm ° C Joules, J J267 WCL 10 x 10 -29 18 21 34 22 3 O' Clock268 FL 10 x 10 -29 17 294 173 95 3 O' Clock269 FL+2 10 x 10 -29 17 26 32 25 3 O' Clock

TEST HOUSE LABORITORY : MTS INTERNATIONAL HOLDING Test No. AD-91023 Rev'n 0WITNESSED BY : BUREAU VERITAS, INTERNATIONAL REGISTER, ABU DHABI, U.A.E.

Visual Examination : SATISFACTORY Charpy Vee Notch Test SATISFACTORYRadiography : SATISFACTORY

Report No : QIS/MAD/RT/WPS010/RB/049 OVERALL TEST RESULTTensile Test : SATISFACTORY We certify that the statements in the ACCEPTABLEBend Test : SATISFACTORY correct in accordance with the standard indicated above.

PREPARED BY REVIEWED BY APPROVED BY Name : R. VAIRAMANI Name : S.E LANGLEY Name : C. SIVA KUMAR

Sign : Sign : Sign :

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

Date : 16 - NOV - 99 Date : 16 - NOV - 99 Date : 17 - NOV - 99

EXCEL/Welding/PQR010

12 O' Clock6 O' Clock