Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel

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

Related Keywords

Child Classifications

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• C21C 5/02 Crucible furnace processes
• 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
• C21C 5/56 Manufacture of steel by other methods