Most automotive MIG welding utilizes a gas shield, most commonly CO2, or C-25 (25 percent CO2 and 75 percent Argon). ... Nearly every machine will have a chart listing the recommended parameters.

In manual mode the Millermatic 180 Auto-Set is set-up like any other MIG machine. The user sets the voltage and wire feed speed according to the provided parameter chart.

Welding requires skill, knowledge, and equipment. Some 15 or 20 years ago just a handful of 4x4 hobbyists were dabbling with metal inert gas (MIG) welding in their home shops, mostly welding steel.

Arc welding using the Metal filler wire as consumable electrode and an Inert Gas to protect the molten pool against oxidation. Figure 1. Schematic of the MIG welding process. In the metal inert gas ...