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