Hi..
Good question.. I would like to add possible option say that we qualify a PQR joining the P11 with P91 with the B2 or B6 electrode and make full destructive test to evaluate the weld soundness and the weldability...
Once we have valid PQR and pass all the test consider that sufficiently enough be used at Site.
I know this not the right solution but maybe an option from the Contractor who like to take advantage..
Thanks
Ghafor
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