The carbon content is maximum in-

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Cast iron. The iron obtained from blast furnace contains about 4% carbon and many impurities in smaller amount e.g., (S, P, Si, Mn). This is known as pig iron it can be moulded into variety of shapes. Cast iron – It is different from pig rion and is made by melting pig iron with scarp iron and coke using hot air blast. It is slightly lower carbon content (about 3%) and is extremely hard and brittle. Wrought – Iron or Malleable iron is the purest form of commercial iron and is prepared by cast iron by oxidizing impurities in a reverberatory furnace lined with hematite Carbon content in wrought iron is less than (0.08%). (ii) Cement

The carbon content is maximum in-

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