In order to use the gas lense insulator you have to remove the small insulator from the the torch head. Then it should work really well

Here's the skinny, took the 4130 6g tube test today. Fusion pass, good but wide in one or two places. Filler pass good color but, didn't cover fusion pass in one place by about 1/32". Wasn't sure if it was underfill or not. After much deliberation, I decided to weld over that quadrant again. It...

I am having trouble getting my flat fillet joints to run acceptably. I am hoping you guys have some tips. Here is the story. I am practicing for the aerospace aluminum (6061 t-6) cert.. The plate is .050". 1 G comes out great tons of penetration, the rod flows like butter. Not so for me with th...