Back side purge for stainless welding

From: BobH <WanderingMetalHead.DUMP.SPAM@xxxxxxxxx>
Date: Fri, 18 Jul 2008 17:21:15 GMT

I have some 300 series stainless to weld and was wondering if C25 would be OK to use for the back side purge? I used to have a spare argon cylinder that I put a regulator and flow meter on for back side purge, but that is now a C25 cyclinder.

Thanks,
BobH
.

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- Re: Back side purge for stainless welding
  - From: Ernie Leimkuhler

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... It would be impractical to back purge so I am using Solar Flux - B acts as a ... I would not use flux for fear of it contaminating the weld, ... To back purge as Eric suggests all you need to do is cover one ... I'd set it at about 80 amps. ...
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Re: Back side purge for stainless welding
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