GENERAL PROPERTIES OF STEEL.--Four Conditions:
Solid, Plastic, Granular, Liquid. Effects of Heat.
Size of Grain. Recalescence, Magnetism. Effects of
Cooling, Hardening, Softening, Checking. Effects of
Forging or Rolling, Hot or Cold. Condensing,
Hammer-refining, Bursting. Ranges of Tenacity, etc.
Natural Bar, Annealed Bar, Hardened Bar, etc. 52