welder qualification -test coupon and filler wire limitations

by john
(saudi)

to qualify a welder for ss pipe for production weld in the field-shall i use the test coupon of carbon steel with stainless steel filler wire for qualifications .


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John,

there are some provisions for certifying on stainless steel using carbon steel coupons in certain welding codes. You will need to know which code governs your welding certification limitations and test accordingly.

jody