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[MW:5228] Welder Qualification using BS 287-1

By Materials & Welding
Dear friends,
 
I have a already qualified WPS, using which i wanted to qualify few more welders with some variation in material and section used.
 
The following are the WPS parameters: 
Material: A53 Gr B SCH 40 (pipe)
Outer dia: 33.56 mm 1/4" pipe.
Thickness:3.56 mm
Code used for qualification BS 15609 & 15614.
Welder qualification carried out as per BS 287-1.
 
How can i qualify the welders with RHS(rectangular Hollow section)with max thickness of 12 mm & SHS (square hollow section)
also i wanted to use ASTM A500 grade C(tube).
 
1.Please explain whether i can qualify the welders using the same WPS with some alterations.
 or a entirely new WPS to be written.


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Thanks and Regards

Nishad AK

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