Jominy end-quench test

A standard bar is austenitised and spray-quenched at one end; hardness is then measured along its length. The resulting curve quantifies hardenability and underlies the H (hardenability-guaranteed) grade bands in EN and ASTM standards.

More terms

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