IPC Subgroup
C21C 7/064 Dephosphorising; Desulfurising
Introduced: January 1980
Last revised: January 2006
Full Title
Treating molten ferrous alloys, e.g. steel, not covered by groups > Removing impurities by adding a treating agent > Dephosphorising; Desulfurising
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