Jominy Test

The Jominy test is used for determining end-quench hardenability. It consists in water quenching, under closely-controlled conditions, one end of a 1-in. diameter specimen of the steel under test and measuring the degree of hardness at regular distances from the quenched end along the side.

See also: Direct Quenching, Hardenability, Hardening, Interrupted Quenching.