The category is Pig Iron: Uses. Traditionally, pig iron was worked into wrought iron in finery forges, later puddling furnaces, and more recently, into steel. An intermediate product of puddling is known as refined pig iron, finers metal, or refined iron. Pig iron can also be used to produce gray iron.
Parent categories: Metallurgy, Plastics, Rubber, Chemicals & Energies
Related categories: Commercial, Home, Lights, Construction Accessories & Materials