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PCE
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DIFF Subgroup
C21C 5/30

Regulating or controlling the blowing

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel > Manufacture of steel in the converter > Regulating or controlling the blowing

CPC:

Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel > Manufacture of steel in the converter > Regulating or controlling the blowing

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • C21C 5/305 CPC only CPC only
  • C21C 5/32 Blowing from above (C21C5/35 takes precedence) IPC+CPC Available in IPC and CPC
  • C21C 5/34 Blowing through the bath (C21C5/35 takes precedence) IPC+CPC Available in IPC and CPC
  • C21C 5/35 Blowing from above and through the bath since 1990 IPC+CPC Available in IPC and CPC