Manufacture of carbon-steel

CCHEMISTRY METALLURGY C21Iron metallurgy C21CPROCESSING OF PIG-IRON

C21C5/00Manufacture of carbon-steel

C21C5/005Manufacture of stainless steel C21C5/02Crucible furnace process C21C5/04Manufacture of hearth-furnace steel C21C5/06Processes yielding slags of special composition C21C5/28Manufacture of steel in the converter C21C5/285Plants therefor C21C5/30Regulating or controlling the blowing C21C5/305Afterburning C21C5/32Blowing from above C21C5/34Blowing through the bath C21C5/35Blowing from above and through the bath C21C5/36Processes yielding slags of special composition C21C5/38Removal of waste gases or dust C21C5/40Offtakes or separating apparatus for converter waste gases or dust C21C5/42Constructional features of converters C21C5/44Refractory linings C21C5/441Equipment used for making or repairing linings C21C5/443Hot fettling; Flame gunning C21C5/445Lining or repairing the taphole C21C5/46Details or accessories C21C5/4606Lances or injectors C21C5/4613Refractory coated lances; Immersion lances C21C5/462Means for handling C21C5/4633Supporting means C21C5/464Trunnion bearings C21C5/4646Cooling arrangements C21C5/4653Tapholes; Opening or plugging thereof C21C5/466Charging device for converters C21C5/4673Measuring and sampling devices C21C5/4686Vehicles for supporting and transporting a converter vessel C21C5/4693Skull removal; Cleaning of the converter mouth C21C5/48Bottoms or tuyéres of converters C21C5/50Tilting mechanisms for converters C21C5/52Manufacture of steel in electric furnaces C21C5/5205in a plasma heated furnace C21C5/5211in an alternating current [AC] electric arc furnace C21C5/5217equipped with burners or devices for injecting gas C21C5/5229in a direct current [DC] electric arc furnace C21C5/5241in an inductively heated furnace C21C5/5247processing a moving metal stream while exposed to an electromagnetic field C21C5/5252in an electrically heated multi-chamber furnace, a combination of electric furnaces or an electric furnace arranged for associated working with a non electric furnace C21C5/5264Manufacture of alloyed steels including ferro-alloys C21C5/527Charging of the electric furnace C21C5/5294General arrangement or layout of the electric melt shop C21C5/54Processes yielding slags of special composition C21C5/56Manufacture of steel by other methods C21C5/562starting from scrap C21C5/565Preheating of scrap C21C5/567operating in a continuous way