CPC Main Group
C21C 5/00 Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel
6 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- C21C 5/02 Crucible furnace process
- C21C 5/04 Manufacture of hearth-furnace steel, e.g. Siemens-Martin steel
- C21C 5/28 Manufacture of steel in the converter
- C21C 5/52 Manufacture of steel in electric furnaces (; electric heating per se H05B)
- C21C 5/56 Manufacture of steel by other methods (making liquid steel by direct processes C21B13/00 )