Ingot

n.
  1. That in which metal is cast; a mold.
  2. A bar or wedge of steel, gold, or other malleable metal, cast in a mold; a mass of unwrought cast metal.
    3. Ingot mold ,
    a box or mold in which ingots are cast.
    Ingot iron .
    See Decarbonized steel, under Decarbonize.