Answer
Oct 01, 2025 - 12:53 PM
You should use .030 MIG wire for thinner materials (generally up to 1/8" thick) because it provides better control and less heat input, reducing the risk of burn-through. Use .035 MIG wire for thicker materials (over 1/8") as it allows for higher deposition rates and better penetration. Choose the wire size based on your material thickness and welding machine capabilities.
