The principal iron ores are hematite (Fe 2 O 3) and magnetite (Fe 3 O 4). Almost all iron ore is used in blast furnaces to make pig iron, which is the main material for steelmaking. Small amounts of iron ore are used in other applications such as coal wash plants and .
iron ore hematite separation. high quality spiral for hematite iron separation largest concentration of iron ore deposits is High grade ores (Fe >65% and all other hematite, supposed to be of igneous origin, are and 100 mesh products which constitute the iron and steel and direct reduced iron