Iron and Types of Iron. satyendra; February 22, 2017; 4 Comments ; cast iron, Direct reduced iron, ductile iron, gray iron, iron, Malleable irion, Pig iron, Pure iron, Sponge iron, white iron, wrought iron, Iron and Types of Iron. Iron is a chemical element with symbol Fe (from Latin word Ferrum). Its atomic number is 26 and atomic mass is …