if a joint are made from same P-number and essential variable are same, you can use same PQR that has been qualified.
rgds,
2011/3/16 Muhammad Asif <masif_atiqui@yahoo.com>
I have a PQR qualified with material API 5LX42 (Group1 to group1,P1 to P1 and SMAW process)my question is;can i qualify WPS of material A234 (group1 to group1,S1 to S1 and SMAW process ) with the same PQR?While the chamical composition and mechanical properties of API 5LX42 and A234 are same.please advise,regards,
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