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Semi-finished steel that has been poured into moulds and then solidified. The moulds are then removed and the steel is ready for rolling or forging.
Integrated Mills
Steel making facilities that process iron ore and other raw materials in blast furnaces. These mills differ from mini mills only on the hot end side of production. Most integrated mills specialise in flat-rolled steel or plate steel.
Intergranular Corrosion
Preferential corrosion at or along the grain boundaries of a metal.
Intergranular Stress Corrosion Cracking
Stress corrosion cracking in which the cracking occurs along grain boundaries.
Iron Ore
A mineral that contains enough iron to be a factor in steel production.
Iron-Based Superalloys
These alloys are at the highest end of the range of temperature and strength. Additives such as chrome, nickel, titanium, manganese, molybdenum, vanadium, silicon, and carbon may be used. These superalloys are also referred to as “super chrome steels.”