339.JPG As mentioned above, more information is needed to better understand what may be happening. Some things that come to mind are; ANSWERS BELOW What type of tungsten are you using? 2% Ceriated What is the size of the tungsten? 3/32 What cup size are you using? #8 Are you using a standard collet...

I have been working on a project for the last few months where I am using hardware store bought 1/8" thick flat bar. The Problem I am having is it seems when I stop a bead, let it cool for a bit, and start again, I get a bunch of porosity in the weld with color flashes from the arc. I have reli...