noun
: an alloy steel that can be hardened by cooling from a temperature higher than the transformation range either in air or by quenching in a liquid — called also self-hardening steel
noun
: an alloy steel that can be hardened by cooling from a temperature higher than the transformation range either in air or by quenching in a liquid — called also self-hardening steel
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012