Iron processing The metal | Britannica
· Iron processing Iron processing The metal: Most blast furnaces are linked to a basic oxygen steel plant, for which the hot metal typically contains 4 to percent carbon, to percent silicon, percent sulfur, to percent manganese, and percent phosphorus. Tapping temperatures are in the range 1,400° to 1,500° C (2,550° to 2,700° F); to save energy, the hot ...