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Welding Procedure Specification (PWPS)
LIMAK/SAWAED
JACOB JATE/SWCC
WPS No: WPS-JR1
Revision:00
Date:01/11/2019- Project: -Jubail Riyadh Water Transmission System (Stations)
PQR No:01
Revision:00
Date:
Code: API 1104/ASME 31.4
Welding Process(es): SMAW
COMPANY: SAWAED ENGINEERING
Page:01
Type(s): MANUAL
Materials: -API 5L-PSL2-Grade L245/X52/X60
JOINTS (QW-402)
Third Party Agency: Al-HOTY CO.
WELD JOINT DESIGN
Joint Design: Single V Groove-But Joint Backing: Yes / No--No Backing Material (Type): N/A No fusing Metal:
Base Metal:
Overlap Weld Metal:2(+/-0.5mm)
Nonmetallic: N/A Root Opening:2-4mm
Root Face:1.5-2.5 mm
Groove Angle:30-35 Degree Back Gouging: N/A
Radius (J-U): N/A
GAS: (QW-408) (ASME SEC IIC SFA-5.32) Gas(es):
BASE METAL: (QW-403) P No.Group No.-
Shielding
01 02
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Trailing: Backing:
Thick. Range :6mm-19.5mm
Percent Composition: Mixture: flow rate:
ELECTRICAL CHARACTERISTICS: (QW-409)
Base Metal: (QW-451.1)
Current AC or DC: AC/DC
Polarity: DCEP
Amps .(Range): See Table 01
Pipe Dia. Range: >12.75Inch
Volt .(Range): See table 01
Chemical Analysis: -0.21% max
Tungsten Electrode Size and Type/N/A Mode of Metal Transfer for GMAW: N/A
FILLER METAL: (QW-404)
Electrode Wire Feed Speed Range: SEE TABLE 01
Spec.No.(SFA):5.5
AWS NO.(Class): A 5.1
F-No: 04
A-No: - 01
Heat input Allowance: SEE TABLE 01
Size of Filler Metals: Root 2.43.2mm Hot/Fill/Cap- 4.0-5.0mm Filler Metal Electrode- E6010/E7018/E7010
Weld Metals: Deposited Thickness
WELDING TECHNIQUE: (QW-410)
Groove: V Groove
Stringer/Weave Bead: Strings/Weaves
Brand: Lincoln/Esab/Hyundai
Fillet: N/A
Orifice or Gas Cup Size: N/A
Consumable Insert: N/A
Initial & Interpass cleaning : Brushing/Grinding Method of Back Gouging: N/A
POSITIONS: (QW-405)
No. of Welder: 2
Position of Groove: 45 Degree
Time between root and hot Pass: -10 Minutes
UP Hill /Down Hill--Downhill
Welding Progressions:5G/6G
Multiple or Single Pass (per side): Multiple
Position(S) of Fillet: N/A
Multiple or Single Electrodes: Multiple
PREHEAT (QW-406)
Travel Speed (Range): Refer table
Preheat Temp.Min: 15 Degree Centigrade Preheat Temp. Maximum: -N/A
Clamping: External
Inter Pass Temp.Max: 150-250 Degree Centigrade
Overlap Weld on toe: 2(+/-0.5mm)
Preheat Maintenance: YES
WELDING PROCEDURE: TABLE-01 Filler Metal Pass
Joint Details
Current
Process Class
Dia
Polarity
Volt
AMP
26-28
85-95
ROOT PASS
SMAW
E6010
2.4.-3.2
DCEP
HOT PASS
SMAW
E7018
4.0-5.0
DCEP
21-24
85-115
FILL PASS
SMAW
E7018
4.0-5.0
DCEP
21-24
115-140
FILL PASS
SMAW
E7018
4.0-5.0
DCEP
21-24
115-140
CAP
SMAW
E7010
4.0-5.0
DCEP
27-29
110-125
PASS
RUN SEQUENCE
Heat Input (kj/mm)
Travel Speed (mm/min)
30º-35 2 (±0.5)
6-19.5mm
WELD PROGRESSION-DOWNHILL FOR ALL PASSSES
1.Fit Up 2.Welding*/Cleaning 3.Visual Inspection 4.NDT (RT, UT, PT, MT) ** *: Distortion Control Shall be Consider. ** As Per Quality specs and Documents (QCP) Prepared By: SAWAED ENGINEERING
Checked &Approved By: QA/QC SAWAED ENGINEERING
Engineer Ugur Berk Urkun
Engineer Md Sazid Alam (QA/QC)
Contractor/Client: LIMAK Approved By
(2-4mm)
(1.5-2.5mm))
Client: Jacob/Turbag Consulting Engineers/APPROVED BY