C21C - CPC Classification

• C21C1/00 » Refining of pig-iron; Cast iron 11
• C21C2100/00 » Exhaust gas 2
• C21C2200/00 » Recycling of waste material 24
• C21C2250/00 » Specific additives; Means for adding material different from burners or lances 6
• C21C2300/00 » Process aspects 0
• C21C3/00 » Manufacture of wrought-iron or wrought-steel 0
• C21C5/00 » Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel {or stainless steel} 13
• C21C7/00 » Treating molten ferrous alloys, e.g. steel, not covered by groups to 39