Quote Originally Posted by bigguwesty View Post
Pure argon is a pain with mig.
Argoshield has oxygen and carbon dioxide??? In it.
These serve 2 purposes.
One is to create a better arc transition so a smoother weld, but also more heat.
So with pure Argo you'll find you'll always have a rough, tall weld.
I tried playing with argon as I had the bottle with my tig welder..
It's a pita and just but the bullet and got argosheild
Depending on output and setup it shouldn't matter Westy I have tried all combinations over the last 20 plus years , we only use straight argon at men's shed with no trouble at all , if you had to choose one gas and one gas to cover all applications it would be argon .
Check with Dr google and you'll find it's a common diy gas , if you were only ever going to weld low carbon steel I'd probably go a mix but the cost these days for swap and go is the same .
Dom can do stainless steel with his Tig if needed so it's a better option imo.