what is the difference between cast iron and pig iron?
Cast iron | Pig iron |
It is an iron or ferrous alloy which has been heated until it liquifies and is then poured to a mould to solidify. | It is the intermediate product of smelting of iron ore with a high carbon fuel such as coke, usually with limestone as a flux. |
It is made from pig iron. | Cast iron is made from it. |
It has less amount of carbon. | It has high carbon content. |
It is less brittle. | It is more brittle. |