Re: [MW:27379] If a welder is qualified with SS (Stainless Steel) GTAW, He can weld CS Carbon steel GTAW?

It is omission or deletion

On Sat, Feb 24, 2018 at 5:10 PM, jaffar ali riyas mohamed nizamin <jaffarqc1987@gmail.com> wrote:

Dear Bro,

According to QW 352 : deletion of backing is an essential variable .

QW : 420 Base metal grouping :  welder is qualified for P.no 1 to 15F. But the only thing is Backing gas. 

Regards 

M.Riyas 

+968-97193523

On 24 Feb 2018 2:03 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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