Best Gas For Mig Welding Thin Steel. The most commonly used shielding gas for home and hobby MIG welding is C25 75 Argon gas and 25 Carbon Dioxide. You can use pure Argon for MIG welding mild steel.
Depending on the metal being welded you must also choose the appropriate type of gas that suits it. Ashland Ky USA I was asking the local Miller dealer what was the best gas mix to use when welding on car parts and pieces. As for shielding gas a higher argon-based gas is recommended.
Best gas mix when Mig welding mild steel.
This mix of gas is ideal for stainless steel welding as it ensures a steady strong and deep weld. Argon carries less heat than. For most other MIG welding applications especially for steel 100 percent argon gas is. What gas is best for MIG welding.