Steels that become martensitic or fully hard by air cooling from above their critical temperature or from the austenitizing temperature.
Welding Tech
Unlike the plasma gas, the secondary gas (also referred to as shielding gas) does not pass through the orifice of the nozzle. It passes around the nozzle and forms a shield around the arc.
A type of power source that uses a semiconductor device known as the silicon controlled rectifier in the main power circuit.
Society of Automotive Engineers
The natural form of the mineral titanium dioxide (TiO2).