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This section provides an overview for mag weldings as well as their applications and principles. Also, please take a look at the list of 0 mag welding companies and their company rankings.
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Metal active gas (MAG) welding is an arc welding method that uses high heat generated by arc discharge to weld metal components. In this gas-shielded arc welding process, active gases like pure carbon dioxide, carbon dioxide-argon mixtures, or those mixed with oxygen are used as shield gas to protect the welding area from atmospheric oxygen, which can cause oxidation and brittleness.
Commonly used in the automotive industry, construction sites, and heavy industries, MAG welding is versatile for welding ferrous materials. By adjusting the carbon dioxide ratio in the shield gas, weld penetration and appearance can be controlled, making it a preferred method in various manufacturing settings. Although not suitable for materials sensitive to chemical changes, like non-ferrous metals, MAG welding's concentrated arc formation provides strong welds. Its cost-effectiveness with active gases also makes it a practical choice for large-volume welding.
MAG welding operates on three main principles:
A high voltage between the electrode and metal component generates an arc discharge, creating temperatures between 5,000 to 20,000 degrees for welding.
Active gases blown during welding block air contact, concentrate the arc, and generate necessary oxides in the molten part, preventing arc wandering.
Wire-shaped electrodes, either solid or flux-cored, are used and continuously fed during welding. Flux-cored wire, although more costly and producing more slag, can speed up the welding process.
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