Production Process and Properties of Cast Iron

Cast iron is an alloy of iron and carbon. It is obtained by re-melting pig iron with coke, limestone and steel scrap in a furnace known as ‘‘cupola”. The carbon percentage varies from 1.7 to 4.5 %. It also contains small amount of silicon, manganese, phosphorus and sulphur. Production of Cast Iron Cast irons are normally produced by melting Pig iron in cupola furnace with coke, lime stone and other fluxes. The limestone and fluxes aid in separating the impurities from the pig iron. The limestone also acts as an agent…

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