Classification of Metal and Alloys Ferrous – Iron as base metal Nonferrous – No iron in composition Alloy definitions – Combination of two or more elements. Combination of two or more metallic elements. Steel : Historic Overview round 800 B.C. -: the general use of iron 16th-19th century -: wrought iron / cast iron round 1870 A.D. -: … Continue reading Ferrous Metal and Alloy