What is MIG/MAG?

MIG/MAG welding, also known as Gas Metal Arc Welding (GMAW), is a welding process in which an electric arc forms between a consumable MIG wire electrode and the workpiece metal(s), which heats the workpiece metal(s), causing them to melt and join. Along with the wire electrode, a shielding gas feeds through the welding gun, which shields the process from contaminants in the air. The MIG process uses inert gases like argon or helium for welding non-ferrous metals, while the MAG process uses active gases like carbon dioxide or mixtures for welding steel. It is commonly used in manufacturing, construction, and automotive repair due to its speed, versatility, and relative ease of automation.