cast iron definition

  • noun:
    • a difficult, brittle, nonmalleable iron-carbon alloy, cast into shape, containing 2 to 4.5 percent carbon, 0.5 to 3 per cent silicon, and lesser quantities of sulfur, manganese, and phosphorus.
    • A hard and brittle, but powerful, alloy of iron, carbon, and silicon, formed by casting in a mould.
    • an impure variety of metal, containing from three to six per cent of carbon, element of which will be united with an integral part of the metal, as a carbide, together with remainder is uncombined, as graphite. It there is certainly small free carbon, the item is white iron; if much of the carbon has separated as graphite, it really is known as grey metal. See in addition Cast iron, in the Vocabulary.
    • an alloy of iron containing much carbon that it's brittle and so can't be wrought but needs to be formed by casting
  • adjective:
    • manufactured from cast-iron.
    • Durable; difficult; resiliant.
    • Inflexible or without exclusion.
  • others:
    • definitely carbonized iron, the direct item of the blast furnace; -- useful for making castings, as well as for conversion into wrought-iron and steel. It could not be welded or forged, is brittle, and often very difficult. Besides carbon, it contains sulphur, phosphorus, silica, etc.

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