When's it gonna be done Rich?? I need a ride
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Originally Posted by cumminalong
Correct. Everything will get tacked, test fit on the truck, then pulled off and the final TIG welding will be on the bench. I'll be bolting down and fixing as much of it as I can to prevent excess warpage. Stainless like to draw up pretty good when you weld it, so the flanges need to be bolted down to prevent warping and the piping needs to time to cool between welding sections.
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Quote:
Originally Posted by cumminalong
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Quote:
Originally Posted by cumminalong
Yeah purging makes the inside of the welds come out REALLY nice when you get full penetration of the weld. I'll grab a piece tomorrow that I was working on without purging and you can see what it looks like inside.....it looks like really fine cottage cheese because it doesn't have the protection of the argon.
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Quote:
Originally Posted by cumminalong
Yes, I have a 3rd argon bottle and regulator that I'll setup when I weld the header.
If you don't purge it you actually get a pretty significantly reduced diameter where the slag forms on the inside of the weld. On big stuff (exhaust pipe, etc) it's not that big of a deal. But, when you get .100" (x4) build up of slag inside a 1.55" ID pipe, you cause a significant restriction. You end up with a pipe that flows like a 1.15" ID instead of 1.55" ID.
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