MIG welding
What gas does mig welding use?
Quick answer
MIG welding uses an argon-CO2 mix (Argoshield-family) or 100% CO2.
Gas or shielding detail
Flow rates for mig welding: an argon-CO2 mix (Argoshield-family) or 100% CO2. More CO2 in the mix means deeper penetration and more spatter; 92/8 is the Australian standard hobby mix, and moving to 80/20 stiffens the arc for thicker steel. The material-by-material table (steel, stainless, aluminium, gasless) is in what gas do I need for MIG welding?
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