Looking for a MIG/MAG welding course? This welding process is no mystery at all for our instructors. They are happy to share their experience with you.
What is MIG/MAG welding?
MIG/MAG welding, known in the trade as semi-automatic welding, is an arc welding process: an electric arc is struck between the consumable electrode and the workpiece. The electrode in this instance is a filler wire. This also acts directly as the filler metal. A shielding gas protects the weld pool from atmospheric gas. The shielding gas is an inert gas for MIG, and an active gas for MAG.
A distinction is made within MIG/MAG welding between welding with solid filler wire electrodes and welding with coated filler wire electrodes. The principal coated wire electrodes are:
- Metal-coated wire electrodes
- Rutile-coated wire electrodes
- Basic wire electrodes
Semi-automatic welding is a high-speed fabrication process which is used a great deal. That is why it is known as the “industry workhorse”. MIG/MAG welding is often seen in:
- Pressure vessels
- Offshore applications
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