I have a few different sizes. 1 5/8" .083 is what I have been practicing on. When I ordered it I stayed with the same all thickness until it was smaller than 1" then I went with little lighter stuff. As far as cleaning the inside I actually do as far a my finger will get in there. I though...

I new to tig welding for the most part. Most of it has just been practicing, I eventually want to build a chassis for a old car I have. But I want to have it down pat before I do. Here is what I have a question about. I have a HTP 221 Invertig...Have it set on 90 amps. about 1 sec pre flow....and ab...

nice to be on here and reading Post. Looking To learn the art of Tig welding..Hats off to you guys that are good. Much Harder than it looks.