selfhardening

English - English

Definition of selfhardening in English English dictionary

Designating, or pert

They are chiefly used as high-speed steels

to, any of various steels that harden when heated to above a red heat and cooled in air, usually in a blast of cold air with moderate rapidity, without quenching

Such steels are alloys of iron and carbon with manganese, tungsten and manganese, chromium, molybdenum and manganese, etc