AL HAJIRY TRADING LLC
MECHANICAL ENGINEERING DIVISION
WELDING PROCEDURE SPECIFICATION (WPS)
(See Clause 4 of AWS D1.1/D1.1M ed 2015 Structural Welding Code -- Steel)
WPS No:- MED-WPS-5462-03 Date : 16.09.2023
COMPANY Occidental of Oman Inc.
CONTRACTOR Gulf Petrochemical Services & Trading LLC.
SUB CONTRACTOR Al Hajiry Trading LLC.
PROJECT All General Facility Services Contract Project
PQR No:- MED-PQR-30 Rev No. 00 Date : 16.01.2020
AWS Base Metal
BASE METALS Specification Type or Grade As-Welded With PWHT
Group No. Thickness
3mm to
Base Material BS EN10025 S275JR Unassigned CJP Groove welds N/A
Unlimited
Welded To BS EN10025 S275JR Unassigned Fillet Welds F&H N/A
Backing Material With or Without (Backing/Back Weld) Pipe Diameter Ø24''and Above N/A
Other :- N/A
01. JOINT DETAILS JOINT DETAIL (SKETCH)
Groove/Fillet Type As per Fabrication Drawing
Groove Angle 60°±5° C
Root Opening 2.5 to 3.5 mm
Root Face 1.0 to 2.0 mm
Backgouging/Backing With or Without (Backing/Back Weld)
ARC Gouging + Grinding (If
Method Required)
02. Process SMAW
Type (Semiautomatic, Mechanized,
Manual etc.)
MANUAL
03. PRE HEAT TREATMENT
(3mm to 20mm 50°C) (above20mm -
Temperature 38mm 65°C)
Burner (Propane gas
Preheat Method torch with nozzle )
MDMT 0°C
Interpaass Temperature Max 50°C - 210°C All Dimensions are in mm unless specified
04. PROCEDURE
Weld Layer(s) Multiple 08.Technique —
Weld Pass(es) Multiple Stringer or Weave Both
Max. weave width 2.5 X Electrode Dia. Multi or Single Pass (per side) Multiple
05. Filler Metal (AWS Spec.) A5.1 Number of Electrodes Single
AWS Classification E 7016-1H4 R & E 7018H4 R Longitudinal Spacing of Arcs N/A
Electrode Diameter/Filler wire
diameter Ø2.5, Ø3.2, Ø4 mm Lateral Spacing of Arcs N/A
Flux Classification (SAW) N/A Angle of Parallel Electrodes N/A
ESAB Welding Ltd/E 7016-1H4R (OK53.68) & E Angle of Electrode
Manufacturer/Trade Name 7018H4R(OK48.0) N/A
(Mech./Auto.)
Supplemental Filler Metal NA Normal To Direction of Travel N/A
Oscillation
GAS None
(Mechanized/Automatic)
Purpose GAS % of Com Flow rate Traverse Length N/A
sheilding NA NA NA Traverse Speed N/A
Backing NA NA NA Dwell Time NA
Trailing NA NA NA Peening None
06. POSITION and GROOVE Falt, Horizontal Interpass Cleaning Yes - Grinding
Weld Progression NA 09.POSTWELD HEAT TREATMENT
With or Without
Backing (Backing/Back Weld) Temperature N/A
07. Electrical Characteristics Time at Temperature N/A
Current Type & Polarity DCEP Other N/A
Amps Range 61 A - 172 A Test Conducted by Mr. Paul K John, QCI
Volts Range 20 V - 30 V
Wire Feed Speed, Range N/A
Travel Speed, Range 46 - 248 mm/min
Maximum Heat Input 2.48 KJ/mm
Welder Name : Mr. PAPPU CHAUHAN Welder ID: AOG - W - 48
Current Travel speed Heat Input
Weld Pass Process Electrode Class Dia mm AWS Spec Amps Range Volts Range
Polarity mm/min KJ/mm
Root SMAW E 7016-1 H4R 2.5 A5.1 DCEP 61 - 75 22 - 25 46 - 60 1.77 - 2.47
Hot Pass SMAW E 7018 H4R 3.2 A5.1 DCEP 100 - 120 21 - 26 90 - 105 1.40 - 2.08
Fillup SMAW E 7018 H4R 3.2 A5.1 DCEP 111 - 150 20 - 28 126 - 240 0.63 - 1.69
Fillup SMAW E 7018 H4R 4 A5.1 DCEP 138 - 172 22 - 30 116 - 125 1.65 - 2.48
Capping SMAW E 7018 H4R 2.5 A5.1 DCEP 118 - 130 22 - 27 231 - 248 0.63 - 0.93
Refer Report no:-PQR & WPS Inspection Reports: QC/PQR-30/01, 02, & 03
We, the undersigned, certify that the statements in this record are correct and that the test welds were prepared, welded, and tested in accordance with the
requirements of Clause 4 of AWS D1.1/D1.1M, 2015 Structural Welding Code Steel.
Name : Name :
Signature : Signature :
Date : 16.01.2020 Date :
MED-08-078, Rev 0 Page 01 of 01
