Welder qualification

Test piece WPS No. Process Position Thickness Filler Welder No. Remarks
Butt-pipe WPS-01 111 H-L045 12.7 FM1 x ss, mb, ml
Butt-plate WPS-01 111 PF/PE 12.7 FM1 x ss, mb, ml
Fillet-plate WPS-01 111 PD/PF 6 FM1 x ml
Butt-pipe WPS-02 136 H-L045 12.7 FM1 x ss, mb, ml
Butt-plate WPS-02 136 PF/PE 12.7 FM1 x ss, mb, ml
Fillet-plate WPS-02 136 PD/PF 6 FM1 x ml
Butt-pipe WPS-03 111-136 H-L045 12.7 FM1 x ss, mb, ml
Butt-plate WPS-04 121 PA 25 FM1 x bs, nb, ml

Welder qualification test required in BS EN ISO 9606 : 2017

Test piece WPS No. Type of test Position Required Reference Acceptance
Pipe PQ13-01.31 Visual testing / ISO 17637 H-L045 (6G) 100% Table 13

/ ISO 5817

Para. 7
RT / ISO 17636 Full length
Pipe PQ13-01.33 Visual testing / ISO 17637 PH (5G) 100% Table 13

/ ISO 5817

Para. 7
UT / ISO 17640 Full length
Pipe PQ13-01.31 Visual testing / ISO 17637 PH (5F) 100% Table 13

/ ISO 5817

Para. 7
Macro testing / ISO 17639 2 specimens

One at 6H, one at 12H.

Pipe PQ13-01.32 Visual testing / ISO 17637 PH (5F) 100% Table 13

/ ISO 5817

Para. 7
Macro testing / ISO 17639 2 specimens

One at 6H, one at 12H.

Plate PQ13-01.32 Visual testing / ISO 17637 PF (3G) 100% Table 13

/ ISO 5817

Para. 7
RT / ISO 17636 Full length
Pipe PQ13-01.08-01 VT / RT / ASME IX QW-191 1G 100% visual

RT full length

ASME V ASME IX QW-191.1

Test pieces for welder qualification (BS EN ISO 9606-1)

Pipe to pipe, butt joint, butt weld.

  • Pipe DN150 Thickness t1=t2= 12.7 mm (Machining balance pipe).
  • Min. 125 mm in length per piece (see 2.2).
  • H-L045 position, fix pipe 45°.

Pipe to plate, fillet weld and butt weld

  • Pipe DN 150, t2 = 12.7 mm, min. 125 mm length (Machining balance pipe)
  • Plate t1 >= 12 mm, 270x270 mm.
  • PH (5G and 5F) position, fix pipe

Pipe to pipe in branch connection.

  • Pipe DN150 12.7 mm (see 2.2) to Pipe DN200” x 12.7 mm (see 2.1)
  • Branch pipe, length 125 mm
  • Man pipe, length min. 550 mm
  • PH position, angle 45 degree.

Plate to plate, butt weld and fillet weld

  • Plate t1 = t2 = 12.7 mm, 125x200 mm
  • PF (3G and 3F) position.
  • Backing by ceramic or back gouging

 

Welder qualification

Test coupons Qty No Pro. Pos. Weld type Size Th’k Range of th’k Range of dia. Angle Min. Layers
Pipe 3 111 H-L045 (6G) BW DN150 12.7 >= 3mm > 25 mm N/A ML
3 111 PH (5F) FW DN150 12.7 >= 3mm > 25 mm N/A ML
2 111 PH (5G) BW DN150 12.7 >= 3mm > 25 mm 45º ML
3 136 PH (5F) FW DN150 12.7 >= 3mm > 25 mm N/A ML
Plate 3 136 PF (3G) BW (2) Plate 12.7 >= 3mm > 500 mm N/A ML
Pipe 2 GTAW / SAW 1G BW NPS 20” 16.25 mm > 5.0 mm > 73.0 mm N/A ML
Note:

  1. ML = Multi layers, at least 3 layers.
  2. With backing by ceramic or steel plate 6 mm.

 


Download WPS form or request for services, here.


 

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