Purpose, The welding procedure to build for fabrication of structural member or other equipment comply with ISO 15614-1.

Material

___Plate ASTM A572 Gr. 50, EN 10204 3.1, or

___Pipe API 5L NPS 8 12.7 Gr. X52 SMLS EN 10204 3.1

___AWS A5.1 E7018/7016, 50 KG.

___AWS A5.17 EM12K F7A2.

___AWS A5.20 E71T-1C, 45 KG, 100% CO2.

See "ISO 15614-1 – WPS essential variables to prepare a WPS.

Requirement

Test piece pWPS Process Pos. Material t Group Filler Level Remarks
Butt-joint pWPS-01 111 H-L045 NPS 8 12 1.2 E7016 2 With backing
Butt-joint pWPS-02 136 H-L045 NPS 8 25 1.2 E71T-1C 2 With backing
Butt-joint pWPS-03 111-136 H-L045 OD.500 25 (4+21) 1.2 E7016

E71T-1C

2 With backing, rolling from plate
Butt-joint pWPS-04 121 PA Plate 25 1.2 EM12K

F7A2

2 Back-gouging

 

Qualify to:

WPS PQR Process Pos. Th’k (mm) Thick. Deposition (s) Min. OD (mm) Remarks
WPS-01 pWPS-01 111 All 3-24 <=24 150
WPS-02 pWPS-02 136 All 12.5-50 <=50 150
WPS-03
WPS-04

 

Testing and examination

___PQR: testing and examination are required in table 2 (Levell 2)

___CVN requirement at 4 locations: weld metal, fusion line, fusion line +2 and fusion line + 5 mm.

___PQR test required in BS EN ISO 15614-1 : 2017

Type of test Required Reference Acceptance Criteria
PQR-01 PQR-02 PQR-03
Visual testing / ISO 17637 100% Table 4 BS EN ISO 5817 2016 Level B/C BS EN ISO 5817 2016 Level B/C BS EN ISO 5817 2016 Level B/C
RT / ISO 17636-1 or

UT / ISO 17640

100% Table 4 BS EN ISO 5817 2016 Level B/C BS EN ISO 5817 2016 Level B/C BS EN ISO 5817 2016 Level B/C
MT / ISO 17638 100% Table 4 External, BS EN ISO 5817 2016 Level B/C BS EN ISO 5817 2016 Level B/C External, BS EN ISO 5817 2016 Level B/C
PT / ISO 3452-1 100% Table 4 Internal, BS EN ISO 5817 2016 Level B/C Not application Internal, BS EN ISO 5817 2016 Level B/C
Transverse tensile test 02 specimens Figure 6 Para. 7.4.1

API 5L X52

Para. 7.4.1

EN 10025-2 S355

Not application
Transverse bend test 04 specimens/ side bend Figure 6 Para. 7.4.2 Para. 7.4.2 Not application
Impact test (03 specimens/set) 04 sets (WM, FL, FL+2, FL+5) Figure 6 Para. 7.4.4

At -20ºC

Para. 7.4.4

At -20ºC

Not application
Hardness (single side) 01 specimen Figure 6 Para. 7.4.5

(Non-heat treated)

Not application Not application
Hardness (single side or both side) 01 specimen Figure 5 Not application Para. 7.4.5

(Non-heat treated)

Not application
Hardness (single side) 01 specimen Figure 8 Not application Not application Para. 7.4.5

(Non-heat treated)

Macroscopic examination 01 specimen Figure 6 Para. 7.4.3 Not application Not application
Macroscopic examination 01 specimen Figure 5 Not application Para. 7.4.3 Not application
Macroscopic examination 02 specimens Figure 8 Not application Not application Para. 7.4.3

 

Preparation

Pipe to pipe, butt joint.

___Thickness t1 = t2 = 12.0 mm (Machining)

___200 mm in length per piece (material see 2.1)

___H-L045 (6G) position, fix pipe 45°

Plate to plate

___Plate t1 = t2 = 25.4 mm, length 350 mm, width 150 mm (material see 2.3).

___PF (3G) and PC (2G) position for hardness only

___Backing by ceramic or back gouging.

Pipe to pipe in branch connection.

___Pipe DN150 10.97 mm (see 2.2) to Pipe NPS 8” x12.7 mm (see 2.1)

___Branch pipe, length 150 mm

___Man pipe, length min. 550 mm

___PC(2G) position, angle 45 degree.

 

Execution

# Description Status Date
1 Order materials
Pipe DN 200 12.7 mm (see 2.1) Ordering
Pipe DN 150 10.97 (see 2.2) Ordering
Pipe DN 150 18.26 mm, Not required MTC (For welder qualification, machining to 12.7 mm) Available
Pipe DN 500 16.25 mm, Not required MTC (For welder qualification) Available
Plate 25 mm (see 2.3) Available
Welding consumables

___E7016:

___E7018:

___E71T-1C:

___Gas CO2:

___Ceramic:

___Grinding:

In stock
Calibration of welding machine In house
Welding tools and inspection tools

___Multi-welding gage: 1 set

___Digital temperature: 2 sets

___Filler weld gages: 1set

___Gap and tape: 1 set

___Levelling: 1 set

___Touch flash: 1 each

___Caliper

Not yet
2 Preparing test coupon Not yet
___PQR-01

___PQR-02

___PQR-03

Not yet

Not yet

Not yet

3 Official testing Not yet
TBA
4 Submission WPS, PQR for approval Not yet
TBA
5 Welder qualification Not yet
TBA
6 Submission welder qualification certificates Not yet
TBA

Reports

Test results of all testing shall be documented in accordance with the relevant standard and application standard.

 


Related topics

Welding positions - ISO 6947

ISO 9606 - welder qualification - preparation

WPS ISO 15614-1 2017

Procedure

 


Download WPS form or request for services, here.


 

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