Firstly; you should prepare WPS supporting with PQR and after passing the tessting, you decided to use it. but any way and from our experience you can use E7016 for root in your PQR or use old own WPS and then No problem to use it in production
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[MW:35748] Re: PQR- Chemical testing requirements
As answered by everyone, chemical is not required. Notwithstanding, please note that A-No. which denotes weld metal chemical composition is ...
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Section I. PRINT READING 3-1. GENERAL a. Drawings . Drawing or sketching is a universal language used to convey all necessary information to...
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