Friday, May 18, 2018

Re: [MW:27856] If a welder is qualified with SS (Stainless Steel) GTAW, He can weld CS Carbon steel GTAW?

He can't make weld on CS because Gas backing is an essential variable.
You will have to requalify the welder.

On Sat, Feb 24, 2018, 3:33 PM PK M <pkmqaqc@gmail.com> wrote:
Dear Sir,

If a welder is qualified with SS (Stainless Steel) GTAW,  He can weld CS Carbon steel GTAW? Need code Referance...

Thanks.
PKM

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