Pig iron
Iron alloy / From Wikipedia, the free encyclopedia
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For other uses, see Pig iron (disambiguation).
Pig iron, also known as crude iron, is an intermediate good used by the iron industry in the production of steel. It is developed by smelting iron ore in a blast furnace. Pig iron has a high carbon content, typically 3.8–4.7%,[1] along with silica and other dross, which makes it brittle and not useful directly as a material except for limited applications.[2]