[MW:18782] Re: using of second welder while welding SS material

Dear sir,

my question is that, is this twin tig to be shown in WPS ( is this an essential variable)?

On Sunday, 22 September 2013 16:51:54 UTC+5:30, Dharma dattu wrote:

Dear Experts,

While welding of SS material we need to supply a backing gas, as an alternative a second welder is deployed from back side to support or to melt the weld metal uniformly. is this method to be included in WPS's or is this a general practice. 

Regards,

Dharmadattu.B

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