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Pearl GTL Project
LINDE ENGINEERING
Shell Project No: HP-3000-QAT Contractor Project No : 5887
Project Document Number: T- 4.251.023 Project Rev.: D Page 2 of
6
Purchase Order Number:
2MH127
Tag/Item Number(s): N/A
Unit(s): ASU
PCWBS: Z
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QATAR SHELL GTL PROJECT (PEARL) C2 AIR SEPARATION UNITS
CONSTRUCTION
D A 11.02.09 Issued for Cancellation AB EO AG IFC
C O 23.03.08 Issued for Company Comments BR UA ZG ICC
B 17.03.08 Issued for Review BR UA ZG IIR
A 12.03.08 Issued for Internal Review BR UA ZG IIR
GAMA Rev.
Project Rev
Date Description Prepared
By Checked
By
Approved By
Status
No. No. ORIGINATOR
LINDE ENGINEERING AG
Document Title:
WPS FOR CARBON STEEL (1.6-19 MM)
Contractor
Gama Qatar Co. W. L. L.
Document No. LOC470
GAM WPS QAC GTL 004 D
Org.
Code
Doc.
Type
Disc. Code
Geogr. Area
Seq.
No
Rev. No
Vendor Code
Project Document Number: T-4.251.023
Rev No: A
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T-4.251.023 Rev. D Page 4 of 6
TABLE OF CONTENTS
1. 001 2MH127-004-CS-G+S 5
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GAMA II C't.QATAR oLiJUte Client:
~ O.... Il! ......--.
SHELL or its PMC
WELDING PROCEDURE SPECFICATIONS (WPS) Reference: ASME 831.3,
ASME Sec IX, AWS D 1.1
Contractor: LINDE ENGINEERING AG
Project Name:
Company Name: WPS No: PQR No:
Welding Process
JOINTS ( QW - 402)
Joint Design:
Backing Material (Type ):
C2 ASU PEARL GTL PROJECT-RAS LAFFAN INDUSTRIAL CITY
GAMA-QATAR 0012MH127-004-CS-G+S Rev:
GAMA-P1-20 Rev:
GTAW+SMAW
AS DETAILED BELOW
1.6 0.8mm
Base Metals ( QW - 403) Also as per QW 420.2 P -No.
OR
I Group No. I To P-No Group No._-=2=---__
Specification Type and Grade:
Specification Type and Grade:
OR
Chem.Analysis and Mech. Prop:
Chem.Analysis and Mech. Prop:
SA516Gr 65 OR Equivalent To
SA516Gr 70 OR Equivalent
N/A To
N/A
Thickness Range
Diameter Range
Others:
Groove:
Groove:
CS-1.6 TO 19mm(GTAW-4.6mm-SMAW-14.4mm) ALL
Fillet: ALL
Fillet: ALL
FILLER METALS(QW - 404) F No:
A-No
Spec No. (SFA): AWS No. (Class): Size Of Filler Metals:
Deposited weld metal Thk. Groove: Fillet:
Electrode-Flux (Typet Trade Name:
Consumables Insert:
6&4 Other:
Other:
5.18 & 5.1
ER 70S-6 & E 7018
2.0,2.4,2.5,3.25
10mm N/A
Basic( E 7018) ESAB OK Tig rod 12.64 & OK 48.00
N/A
N/A
N/A
POSITION(S)(QW - 405) Positions Of Groove: Welding Progression:
Position(s) of fillet:
GAMA REP
6G UPHILL ALL
POST WELD HEAT TREATMENT(QW - 407) Temperature Range: N/A II
Time Range: -'.N"'/A"'-- _ Rate of heating: N/A II Rate of Coolina:
N/A
Prepared B Checked B QSGTL or its PMC
GAM-QCR-QAC-GTL-l06
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GAMA WELDING PROCEDURE SPECIFICATIONS (WPS) QATAR
&~UIiIIII"""~iIodilll~1t. Reference: ASME 831.3. ASME Sec IX,
AWS 0 1.1
Iwps No:001 2MH127- 004-CS-G+S Rev. No: 0 Date: 17.03.2008 I
PRE- HEAT (QW - 406) GAS (QW - 408) Pre Heat Min: 20C Shielding
Gas(es): Argon (Preheat to 50C if metal temp< 5C) Percent
Composition(Mixture): 99.99% Interpass temp: 250C Max Shielding gas
flow Rate: 11-12.5 LPM Method of Heating: By LPG/Propane Gas
Heating Torch Backing Gas(es): N/A
Temp Monitoring Method:Thermo melt crayons/ Digital thermo meter
Trailing shielding gas composition: N/A
ELECTRICALCHARACTERISTICS(QW - 409) Current AC or DC DC Polarity
Electrode -ve IGTAWI & Electrode +ve ISMAWI
Amps Range Min80Amps-Max160Amps Voltage range Min9V-Max 26V
Tungsten Electrode Size and Type 2.0 EW-Th-2
Mode of Metal Transfer GMAW N/A
Electrode Wire Feed Speed Range N/A
TECHNIQUE(QW - 410) String or Weave Bead: String-Root Pass
Weave- FiII& CaD Orifice or Gas Cup Size : 6/8/11mm Initial and
Interpass Cleaning: Grindina / Wire brushina Method of Back
gouging: N/A Oscillation N/A Contact Tube To Work Distance N/A
Multiple Or Single Pass (per side) MultiDle Passes MUltiple or
Single Electrodes Single Electrode Travel Speed(Range) 70 mm/min
-150 mm/min OTHERS: Piping Class: Service: PQR Impact test
temperature:
Filler Metal Current Travel Speed Heat InputWeld Pass Process
Volts Range
mm/min KJ/mm (Max.)AmpsDiammClass Polarity Range Root-1 DCENER
70S6 2.4GTAW 9-10 75-80 0.84 Hot-2
100105 DCENGTAW ER 70S6 2.4 150-160 9-10 140-150 0.68
FILL-3-5 DCEPSMAW E 7018 3.25 100-110 20-28 140-150 1.32 CAP-6-8
DCEPE 7018 2.5SMAW 80-90 20-26 70-75 2.00
Notes :1. Above mentioned passes may vary depending on actual
thickness of the joint. 2. Weaving width shall not exceed 3 times
the diameter of electorde. 3. Electrodes shall be stored &
handled as per approved consumable handling procedure-T.4.250.931/
manufacturers instructions. 4. Max: 3.0mm Deposit in one Layer.
GAMAREP Iprepared By Checked by LINDE REP QSGTL or its PMC
-"\~Hll/",,C ~~ ~ 1:~~ ~ ~o ~ ,(\~~~--~.PC . ~ .~~~
. PGil.. C2 f . o ..~(,~
,,-SU "'I{ ASSU9-"'~ ~
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GAM-QCR-QAC-GTL-106
WPS.pdfGAM-WPS-QAC-GTL-004-PART-1GAM-WPS-QAC-GTL-004.pdf
GAM-WPS-QAC-GTL-004-PART-2GAM-WPS-QAC-GTL-004.pdf
