glossary

The plasma arc torch part from which arc current is emitted.

The mixture of chemicals, minerals and metallic alloys applied to the core wire. The coating controls the welding current, the welding position, and provides a shielding atmosphere, deoxidizers to clean the weld metal, and the welding slag that absorbs impurities from the weld metal. It also helps shape the weld bead and becomes an insulating blanket over the weld bead.

The ability of a material to become permanently deformed without failure.

The percentage of time during a time period that a power source can be operated at rated output without overheating. Based on a ten minute cycle.

A force exerted by a moving body on a resistance member, usually in a relatively short time interval.