Question about Nickel Base Material
Question about Nickel Base Material
(OP)
I need to certify some welders in all nickel base materials. (ex. P41 thur P47). The question I have is there one certain Nickel Base material I can have them do a weld coupon for that will certify them in all Nickel Base material, or do I need to have them do a weld coupon pre material.





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