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AL TAIF AL BAHA WATER TRANSMISSION SYSTEM PROJECT CLIENT : SALINE WATER CONVERSION CORPORATION CONSULTANT : DORSCH GRUPPE CONTRACTOR : ARABIAN PIPELINE PROJECTS CO / JAIHIND PROJECTS LTD JOINT VENTURE
WELDING PROCEDURE SPECIFICATION(WPS) ASME SEC IX
CODE:
WPS-TBWTS-PIP-001
WPS No.:
REV. NO.:
A
PROCESS:
MIPE-1
Supporting PQR No.:
TYPE:
GTAW
10/9/2013
DATE:
MANUAL
BASE MATERIAL & QUALIFIED PRANGES Specification:
ASTM A 106 GR B
TO
API Group No.:
B
TO
C
5.52 mm
TO
5.52 mm
Thickness Welded:
60.3 mm
Pipe Diameter: P number range
P or S No.:
1
ASTM A 106 GR C
60.3 mm
TO Group:
1,2
TO
Material Range:
A 106 Gr (B&C), A 234 WPB, A 105, API 5L Gr(B to X60), A 694(WPHY4260), MSS SP75(F-42 to F60) or eqvlnt to A 106 Gr B, A 106 Gr C, A 234 WPB, A 105, API 5L GrB, X52, X60 or eqvlnt
Diameter Range:
All
Thickness Range:
Groove:
1.5 mm to 11.04 mm
Fillet:
TO
P or S No.:
1
Group:
1,2
A 106 Gr (B&C), A 234 WPB, A 105, API 5L Gr(B to X60), A 694(WPHY4260), MSS SP75(F-42 to F60) or eqvlnt to A 106 Gr B, A 106 Gr C, A 234 WPB, A 105, API 5L GrB, X52, X60 or eqvlnt
All
FILLER METAL
POSITIONS GTAW
SMAW
API Group No.:
5
N.A
Spc. No. (SFA):
5.18
N.A
ER 70S-6
N.A
AWS No. (Class):
6
N.A
2.4 mm
N.A
Electrode Trade Name:
N.A
N.A
Electrode-Flux (Class):
N.A
N.A
Flux Type:
N.A
N.A
F-No.: Size of Filler Metal:
6G - All
Progression
Uphill
POSTWELD HEAT TREATMENT
N.A
N.A
Temp. Range:
N/A
Groove: 11.04 mm
N.A
Time Range:
N/A
Fillet: Unlimited
N.A
Holding period:
N/A
Flux Trade Name: Weld metal Deposit
Position
All F.No 6
Filler Metal Range JOINT
GAS Gas(es)
Mixture
Flow rate
Argon
99.99%
10 - 15 LPM
Trailing:
N/A
N/A
N/A
Backing
N/A
N/A
N/A
Sheilding:
t-Base metal thk PREHEAT Actual
Qualified
Single - V
All
Min. preheating Temp.:
Ambient
Backing
No
either
Max. Interpass Temp.:
250 celsius
BackingMaterial
N.A
N.A
Joint Design
Flame
Method of Heating:
WELDING TECHNIQUE
ELECTRICAL CHARACTERISTICS: Stringe and Weave
Stringer (S) or Weave (W) Bead: Orifice, Nozzle Gas Cup Size:
N.A
Initial and interpass Cleaning:
brushing and grinding
Current: Amps:
SP
Volts:
Mode of Transfer
Multi Pass
Single or Multiple Pass:
Polarity:
Tungsten Electrode Type:
N.A
Method Of Back Gouging:
DC 65 - 110
10 -15 Dia 2.4mm, EW Th2 N.A
Time lapse:
Single
Single or Multiple Electrode: Max Weave
3 Times the electrode dia
Max time lapse between root and hot:
5 to 10 Mins
Travel Speed
refer weld parameters
Max time lapse between other passess:
N.A
TYPICAL WELDING PARAMETERS Layer
AWS Class
Electrode
Polarity
Size
AMPS
VOLTS
Root Hoot Filling Cap
A 5.18 A 5.18 A 5.18 A 5.18
ER 70S-6 ER 70S-6 ER 70S-6 ER 70S-6
DC SP DC SP DC SP DC SP
2.4 2.4 2.4 2.4
65 - 75 80 - 90 80 - 100 90 - 110
10 - 15 10 - 15 10 - 15 10 - 15
Prepared By Name Signature Date
Form No: APPCO-TBWTS-F-001 Rev 0
Travel Speed in Heat Input Cm /Min Kj / Min 0.84 - 0.98 4-8 0.8 - 1.01 6-8 0.6 - 0.9 8 - 10 0.7 - 1.00 8 - 10 Approved By
Name signature Date
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