What's the difference between pig iron and cast iron?
Pig iron is produced directly from crude iron in the blast furnace, can be further refined into wrought iron or steel, iron, or re melting and casting into a special shape.
Pig iron performance is hard, wear-resistant and casting good, but pig iron is crisp, can not forge.
Pig iron is an alloy of iron and carbon carbon content more than 2%, pig iron carbon content is generally in 2.11%--4.3%, including C, Si, and Mn, S, P and other elements, is the use of iron ores in blast furnace smelting products. According to the different form of carbon in pig iron, it can be divided into several kinds, such as steelmaking pig iron, casting pig iron and nodular cast iron.