FI-MainGroup/Facet-Choice

  • C21C1/00
  • Refining of pig-iron; Cast iron HB CC 4K014
  • C21C3/00
  • Manufacture of wrought-iron or wrought-steel HB CC 4K014
  • C21C5/00
  • Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel HB CC 4K070
  • C21C7/00
  • Treating molten ferrous alloys, e.g. steel, not covered by groups C21C 1/00-C21C 5/00 (treating molten metals during moulding B22D 1/00, B22D 27/00) HB CC 4K013
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