MIG (Metal Inert Gas) welding and FCAW (Flux-Cored Arc Welding) are two closely related arc welding processes that are widely used in industrial fabrication, construction, and automotive sectors. Both processes involve a continuous feed of wire, which serves as both the electrode and the filler material. These welding techniques are known for their versatility, efficiency, and ability to produce strong, high-quality welds. While similar in many aspects, MIG and FCAW differ primarily in the type of wire used and the shielding methods to protect the weld pool.
MIG welding, also known as Gas Metal Arc Welding (GMAW), uses a solid wire electrode and a shielding gas to protect the weld from atmospheric contamination. The shielding gas, typically argon, carbon dioxide, or a mixture of both, flows continuously around the weld pool, preventing oxygen and other gases from causing defects like porosity and oxidation . MIG welding is known for producing clean, smooth welds with minimal spatter.
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