[MW:33319] CS material, E70S2- Welder qualified , can he weld SS 316 material & Duplex, Super duplex material with E70s2 qualification ? or he should be qualified by separate SS 316 & Duplex ,SDSS material ?

Dear Experts,

CS material, E70S2- Welder qualified , can he weld SS 316 material & Duplex, Super duplex material with already  he has E70s2 qualification ? or he should be qualified by separately for SS 316 & Duplex ,SDSS material ?

Thanks,

Madheswarn.S

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