SELF-HARDENING a.
eated 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. They are chiefly used as high-speed steels. -- Self`-hard"en*ed, a.…
STEP v.
, to step into an estate. -- To step out. (a) (Mil.) To increase the length, but not the rapidity, of the step, extending it to thirty-tree inches. (b) To go out for a short distance or a short time. -- To step short (Mil.), to diminish the length or rapidity of the step according to the established rules.…