Metal Active Gas Welding
What is metal active gas welding? (MAG)
MAG welding is a metal shielding gas welding process (GMAW) with active gas, in which the arc burns between a continuously fed melting wire electrode and the material. The melting wire electrode supplies the additive filler metal for forming the weld. MAG welding can be used simply and economically with nearly all materials that are suitable for welding. Different shielding gases are used, depending on the requirement and the material.
What benefits does MAG welding offer?
In MAG welding the fed active gas protects the wire electrode, the arc, and the weld pool from the atmosphere. This ensures good welding results with high melting rates under very different conditions. A gas mixture of argon CO2, argon O2 or pure CO2 is used depending on the material. Different wire electrodes are used, depending on the requirement. MAG welding is a robust, economical, and versatile process suitable for manual, mechanized, and automated processes.
What Materials can be MAG Welded?
MAG welding is suitable for welding unalloyed or low-alloy steels. High-alloy steels and nickel based alloys can also be welded in principle with the MAG process. However, the proportion of O2 or CO2 in the shielding gas is low. Different types of arcs and welding processes are used, such as the standard or pulse process, depending on the requirement for the weld and the optimal welding results.