Iron is the basic constituent of ferrous materials. It has the melting point of 1539°C and the specific gravity of 7.87.
Pure iron is rarely found in nature. In pure state it lacks strength but its strength can be increased by alloying. Pure iron finds application in making magnets.
Two important ores of iron are: haematite (Fe2O3) and magnetite (Fe3O4).
Cast iron, steel and stainless steel are important ferrous materials.
Iron contains various alloying elements, important among them includes carbon, manganese, chromium, nickel, molybdenum and vanadium.
Ferrous materials have the maximum application in manufacturing industries on account of their better mechanical properties.
Wrought iron ...
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