Can you tig weld with 75/25 mig weld gas mix Welding Tips and.. Web  sedanman wrote: And on the flip side, you can't use pure argon for mig welding either. You need two bottles. Unless you're doing stainless or aluminum, but you are right. Two bottles are necessary. Aluminum MIG 100% Argon. Stainless MIG 75/25, TriMix, or C100. No.

Web  If you are new to TIG welding, you may wonder why you can’t just use a 75/25 MIG gas since it has 75% argon. What’s the worst that can happen since the gas is 3/4 argon? Because it is also 25% CO 2 , Using a.