Iron which contains 0.25 to 1.5% carbon and hardened by quenching is called steel. Other metals such as Mn, Ni, Cr, Mo, W and V are added to iron in small amounts to produce different types of alloy steels. Steel posses the useful properties of both cast iron and wrought iron. Its hardness and elasticity can be varied by annealing and quenching.
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PLAIN CARBON STEEL This steel contains iron, carbon and small amounts of other elements. About ...
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