Is blast furnace iron or iron?
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.
The main products of blast furnace ironmaking are hot metal (Sheng Tie), blast furnace gas and blast furnace slag.
Pig iron performance is hard, wear-resistant and casting good, but pig iron is crisp, can not forge.
