Hi
Pl refer QW-350 for the essential variable for Welder.
QW-351 GENERAL " A welder shall be requalified whenever a change is made in one or more of the essential variables listed for each welding process."
WPQ is not only depend on P numbers, there are other variables are also to be considered.
Pl check your essential variable against your welding process.
Example For SMAW,
Change in base metal P no is essential variable, i.e. QW- 403.18
Thanks and Regards
Rameshkannan Devaraj
"What you have learned is a mere handful; What you haven't learned is the size of the world – Avvaiyar"
Hello,--I have individual qualified welders per BPVC Section-IX-2015, as per following detail:1. P1,G1 TO P1,G12. P8,G1 TO P8,G1Can I use the same welder for welding of following?1. P1,G1 TO P8,G1Thanking You,SurendraBhilwara, Rajastha(Ind)
https://materials-welding.blogspot.com/
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