open-hearth process definition

  • adjective:
    • an ongoing process through which melted cast-iron is became steel by the addition of wrought iron, or iron ore and manganese, and by exposure to heat in an open-hearth furnace; -- also referred to as the Siemens-Martin process, from inventors.
  • noun:
    • a process in making metal utilizing an open-hearth furnace

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  • Hypernym for "open-hearth process"
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