Best Welding Gas For Mig. The shielding gas you use for MIG welding plays an important part in determining the quality of your weld. Mild and Stainless Steel.
A 7525 argon and CO2 blend is typically considered to be the best overall option for MIG welding so thats our top recommendation at Vern Lewis Welding Supply. Instead they are calibrated according to their weight in pounds. For carbon Steel or any other carbon Steel the best MIG welding gas would be the mixture of 75 Argon and 25 CO2.
In general MIG welding is best performed with a shielding gas of 75 Argon 25 Carbon Dioxide.
For carbon Steel or any other carbon Steel the best MIG welding gas would be the mixture of 75 Argon and 25 CO2. The shielding gas you use for MIG welding plays an important part in determining the quality of your weld. The term inert means they do not react to anything unlike non inert gasses like oxygen that will cause metal to rust. Some electrodes have specific shielding gas needs and the manufactures are the ones that keep the welding supply stores up to date on what combinations work best.