[DeTomaso] Welding question? Stainless with MIG

[Ken Green]

Steve,
 
    You may want to ask the welder if he back-purges the tubes with an inert gas or used a flux (e.g., SolarFlux type B) when he welds stainless.  Based on some reading and the Burns Stainless catalog, the welds are a lot stonger if you prevent oxidation on the back side.  I have run into some people who just return blank stares when I asked about this, so I guess it is not a universal practice.
 
Ken

--- On Tue, 7/13/10, steven.liebenow at att.net <steven.liebenow at att.net> wrote:


From: steven.liebenow at att.net <steven.liebenow at att.net>
Subject: [DeTomaso] Welding question? Stainless with MIG
To: "mailing list detomaso" <detomaso at realbig.com>
Date: Tuesday, July 13, 2010, 11:01 AM


Hopefully VERY SOONLY..... I will be needing to fit my new mufflers to a set of 
new headers....

I ordered the mufflers with the inlet pipes unwelded, so that I could trim and 
weld accordingly.....

My question is this.....  Can I use my MIG welder to safely tack the pipes where 
they need to be????      I would then drop them back out and take them down to 
the welder for proper stainless finishing......

Can anyone chime in on what sorts of issues may arise??

Thanks!
Steve

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