Quenching

Rapid cooling of steel from the austenitising temperature, usually in water, oil or polymer, to form martensite and achieve high hardness. Cooling rate and section size decide whether the part hardens through or only at the surface.

More terms

Annealing · Austenite · Bainite · Carbon equivalent (CEV) · Carburizing · Case hardening · Charpy impact test · Cold drawn · Decarburization · Elongation (A) · ESR (electroslag remelting) · Ferrite