DIFF Main Group
C21C 5/00 Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel
Introduced: September 1968
Title
Titles differ between systems:
IPC: Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel
CPC: Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel
Full Title
Full titles differ between systems:
IPC:
Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel
CPC:
Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel
Of 6 combined children, 5 exist in both systems.
1 codes are CPC-only extensions.
3 shared codes have differing titles between IPC and CPC.
Child Classifications
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- C21C 5/04 Manufacture of hearth-furnace steel, e.g. Siemens-Martin steel IPC+CPC Available in IPC and CPC
- C21C 5/52 Manufacture of steel in electric furnaces (; electric heating per se H05B) +10 CPC IPC+CPC Available in IPC and CPC
- C21C 5/56 Manufacture of steel by other methods (making liquid steel by direct processes C21B13/00 ) +2 CPC IPC+CPC Available in IPC and CPC