Crude iron obtained directly from the blast furnace and cast in molds (see cast iron). The crude ingots, called pigs, are then remelted along with scrap and alloying elements and recast into molds to produce various iron and steel products (see Bessemer process, finery process, puddling process).
This entry comes from Encyclopædia Britannica Concise.For the full entry on pig iron, visit Britannica.com.
What made you look up pig iron? Please tell us what you were reading, watching or discussing that led you here.