The piece of material to be cut or gouged
A commercial form of iron that is tough, malleable, and relatively soft; less than 0.3% carbon.
The stress point at which permanent deformation results.
An element used in some electrodes as a plasma arc cutting electrode emitter. Although similar to hafnium, zirconium provides a shorter service life.
The rate at which wire is consumed in arc cutting, thermal spraying, or welding.