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Old 06-26-2010, 12:01 PM   #1
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Member#: 21067
Join Date: Jul 2002
Chapter/Region: NWIC
Location: Bellevue, WA
Default Exhaust Welding - Why TIG?

In the not to distant future I've got an exhaust to weld for a non-Subaru application. I've got a ton of raw materials in terms of pipes of different diameters, and a combination of stainless and mild steel.

I've got both an Oxy-Acetylene setup and a MIG welder. The oxy I'm mostly using to join sheet metal and MIG I'm using as general use.

I've read at least a couple of articles that say that you can MIG weld an exhaust but TIG is preferred. Why? I haven't tried TIG welding yet so I have no idea how different it is or what applications I'd use it for.

Also I assume I can't oxy-weld it because the flame that's joining one side would be blowing a hole in the other. That sound about right?

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