IPC Subgroup
C21C 1/04 Removing impurities other than carbon, phosphorus, or sulfur
Introduced: September 1968
Last revised: January 2006
Full Title
Refining of pig-iron; Cast iron > Removing impurities other than carbon, phosphorus, or sulfur
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- METALLURGY OF IRON
- Subclass:
- PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS