The major difference between MIG and TIG welding is that one process uses a continuously feeding wire (MIG) and the other you use long welding rods and slowly feed them into the weld puddle (TIG). MIG and TIG welding both use an electric arc to make the weld.MIG welding is a very simple and easy process to learn compared to learning how to TIG weld. The technical names for these are metal inert gas (MIG), and tungsten inert gas (TIG).
A MIG welder works by using a continuously feeding spool of welding wire that burns, melts and fuses both the base and parent metals together. You can weld a variety of materials such as mild steel, stainless steel and aluminum.
A range of material thicknesses can be welded from thin gauge sheet metal right up to heavier structural plates.
TIG welding on the other hand is more commonly used for your thinner gauge materials. Items that are made with this process are things like kitchen sinks and tool boxes. The biggest benefit is that you can get your power down really low and not blow through the metal.
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