Re: [MW:27377] If a welder is qualified with SS (Stainless Steel) GTAW, He can weld CS Carbon steel GTAW?

Good morning everyone 

Sir you are write. 

For GTAW can not weld due to essential variables deletion of fas. 

Regards 

Anand gupta

Iocl  baroda

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On Sun, 25 Feb 2018 at 8:38 AM, Amit Singh

<kshtriya.amit@gmail.com> wrote:

Removal of Gas Backing is essential variable that's why a SS GTAW qualified welder is not qualified for CS GTAW joints, however reverse can be true for GTAW procedure only

Regards, 

Amit Singh

On 24-Feb-2018 18:30, "'Prashant Panchal' via Materials & Welding" <materials-welding@googlegroups.com> wrote:

Please check gas backing is essential variable for welder qualification. 

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On Sat, Feb 24, 2018 at 6:23 PM, sankar rao

<sankarkorukonda@gmail.com> wrote:

If welder qualified with SS 

(GTAW Process),

He can weld CS ( GTAW Process)

Because of F.No's same for both SS &CS  for GTAW 

SS ---- F.NO 6.  SFA NO. 5.9

CS----- F.NO 6.   SFA NO. 5.18

On 24 Feb 2018 14:50, "'Prashant Panchal' via Materials & Welding" <materials-welding@ googlegroups.com> wrote:

Since he may have used backing gas for SS gtaw he will not be qualified for carbon steel as we do not use backing gas for cs material. 

Alternatively u will have to use backing gas for cs as well

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On Sat, Feb 24, 2018 at 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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