Alloy steel bụ ígwè nwere ihe ndị dị ka chromium, cobalt, na nickel. Alloy steel gụnyere ụdị nchara dị iche iche, yana ihe mejupụtara karịrị oke Si, Va, Cr, Ni, Mo, Mn, B na C ekenyela nchara carbon ma e jiri ya tụnyere carbon steel, alloy steel na-eme ngwa ngwa na igwe arụ ọrụ ...
GỤKWUO