The purpose of quenching of tool steel is to increase the strength and hardness of the steel by quenching.
Quenching process is a heat treatment process in which the steel is heated above the street temperature, held for a period of time, all or part of the steel is austenitized, and then the steel is cooled below Ms faster than the critical cooling speed, and the steel is transformed into martensite.
Main brands: T10, T8, M2, M35, M42, W18Cr4V, GCr15.