I have to stop so frequently to reposition its in a fixed 5f position in a fixture with a purge on the back as well on the inside of the tube. Plus the tube will get to hot if i dudnt stop and cool it with air. The test isnt allowed any burn through at all on the inside of the tube or the plate. Im ...

I'm going to assume you can't weld this on a rotator, I would purge the inside, then its going to have to be a very tight arc. Practice is the only way to get there. Will this get xray? What dia. filler are you using? Hopefully it's .030" If you make the fist pass a fusion weld to ensure penet...

LtBadd wrote:You're saying the plate is over 3/8" thick(.400") and the tube has a .035" wall?

No, sorry about that! I fixed the post .040 plate .035 tube

Ive been having trouble with the 5f Stainless Steel tube to plate weld test. I keep getting burnthrough and is very aggravating how can i prevent this and make it look decent?! ( 0.040 plate, and 1/2 diameter 0.035 tube )