No this is not a school project but a job for a UT school (class)... I will post picks for sure and will have all details noted. Don't hold your breath,,those pieces of copper are sitting in my kitchen mocking me at the moment I am thinking next week.

Yup I know. Deox copper is pricey I have it for small jobs. The exact dimensions are 1.5 inches thick, 5.5 inches in length and the width of the weld is 6 inches. Total of 11 inches in length when welded. So I came up with a plan,,,,please criticize. I have fire bricks to lay the to pieces on to sav...

The dull gray could be to much heat,,,,another thing to watch for is pre flow . Make sure the area is purged of 02 before you strike the arc, As was stated large gas lens, don't piss around, weld and keep moving keeping that filler rod in the gas. I use a lot of copper as backing behind my stainless...

Nobody????

Hello from Alaska!

I have a job to weld two 1.5 inch thick copper plates together. The plates are 8 inches long, it is a butt joint with a double bevel. I am welding this for a UT inspection test plate for a University. The instructor wants me to use silicon bronze for a filler. I was questioning whether to use AC or ...