What is another word for "steel"?

Roget's Thesaurus (1911) lists these synonyms for "steel": adamant, adamantean, adamantine, anastatic, and, aquatint, aquatinta, autotype, benefit, bite, block, board, bone, bony, brick, buckram, bur, burin, calculous, callosity, cartilage, cartilaginous, cast, cement, cerograph, cerography, chalcography, chalk, chromolithograph, chromolithography, clergy, color, concrete, conscience, contrition, copperplate, corneous, crag, crystal, crystallization.