What Is the Best Shielding Gas for MIG Welding Stainless Steel?

Choosing the wrong shielding gas can ruin stainless steel welds, causing discoloration, porosity, and weak joints. The right gas mixture makes all the difference in weld quality and appearance. The best shielding gas for MIG welding stainless steel is typically a tri-mix of 90% helium, 7.5% argon, and 2.5% CO₂. This combination provides excellent arc […]