Patents
Sitemap › C21 - Metallurgy of iron › C21C - Processing of pig-iron, e.g. refining, manufacture of wrought-iron or steel; Treatment in molten state of ferrous alloys › C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel
Patents for C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel (14,381)
03/2014
03/12/2014CN103627844A Direct-fired heat energy recovering and purifying system and technology of converter gas
03/12/2014CN103627843A Slagging method in semisteel steelmaking and semisteel steelmaking method
03/12/2014CN103627842A Method for enhancing end point carbon content in smelting medium-carbon steel from semisteel and semisteel steelmaking method
03/12/2014CN103627841A Control method for nitrogen content of molten steel of wear-resistant steel
03/12/2014CN103627840A Method for enhancing end point carbon content of converter and semisteel steelmaking method
03/12/2014CN103627839A Semisteel steelmaking carbon content control method and semisteel steelmaking method
03/12/2014CN102943144B Carbon steel converter automatic control method for adaptable blowing-out turning down operation
03/12/2014CN102839334B 600MPa-level steel for hot-rolled steel bar with ribs and smelting method thereof
03/12/2014CN102747185B Slag stopper for converter tapping
03/12/2014CN102703644B Method for producing low-carbon high-chrome alloy steel
03/12/2014CN102534110B Access door
03/12/2014CN102223968B System for tracking system properties
03/11/2014CA2541893C Direct smelting plant and process
03/06/2014WO2014032923A2 Gas purging element and associated gas feed line
03/06/2014US20140060251 Process of the production and refining of low-carbon dri (direct reduced iron)
03/06/2014CA2876461A1 Gas purging element and corresponding gas supply line
03/05/2014EP2703761A1 Gas purging element and accompanying gas supply line
03/05/2014CN203462075U Furnace-supporting platform frame of converter
03/05/2014CN203462074U Auxiliary material feeding spacer bush of converter
03/05/2014CN203462073U Steel discharge vehicle splashing-proof bucket
03/05/2014CN203462072U Replaced tap hole locating device of converter
03/05/2014CN203462071U Water-cooled furnace mouth of overall nodular cast iron converter
03/05/2014CN203462070U Improved opening regulating mechanism for secondary dust removal air door of converter
03/05/2014CN103620333A Top submerged injecting lances
03/05/2014CN103614667A Production method of alloy steel roller
03/05/2014CN103614609A Molten iron desilication method for stainless steel smelting
03/05/2014CN103614515A Slagging method of resource-saving environmentally-friendly composite slagging balls
03/05/2014CN103614512A Method for smelting sulfur-containing steel in vacuum induction furnace for sulfur alloying
03/05/2014CN103614511A Oxygen lance nozzle with complex structure
03/05/2014CN103614510A Novel converter blanking barrel
03/05/2014CN103614509A Carbon steel converter dry cloth bag dust removal process and device capable of recovering waste heat in whole process
03/05/2014CN103614508A Method for smelting high-titanium liquid iron by utilizing converter
03/05/2014CN103614507A Novel converter smelting slagging technology
03/05/2014CN103614506A Method for converter steelmaking by using small-particle grade high-basicity sintered ore
03/05/2014CN103614505A Steel converter red ore addition technology improvement
03/05/2014CN103031400B Technology for steelmaking through utilizing magnesium balls prepared from scraps and steel slag
03/04/2014CA2615929C Method for determining at least one state variable of an electric arc furnace, and electric arc furnace
02/2014
02/26/2014EP2699862A1 Device to inject solid material into a bath of liquid metal, and corresponding method
02/26/2014CN203451561U Cast iron type heat shielding plate
02/26/2014CN203451560U Pipeline gas-gathering device for stabilizing water flow rate of oxygen lance of converter
02/26/2014CN203451559U Casting arm lifting mechanism of slag vehicle
02/26/2014CN203451558U Device for replacing gun head of oxygen gun
02/26/2014CN203451557U Steel-making device for revolving furnace
02/26/2014CN203451556U Pitch-varying flow guide structural heating pipe of evaporative cooling smoke channel for steel converter
02/26/2014CN203451555U Evaporation cooling flue based on omega-shaped tubular products
02/26/2014CN103608635A Device to inject solid material into bath of liquid metal, and corresponding method
02/26/2014CN103608471A Method of manufacturing a slag discharge door
02/26/2014CN103608470A Impact pad
02/26/2014CN103602781A Method for lowering chrome oxide in arc furnace slag in stainless steel smelting process
02/26/2014CN103602780A Replacing method of converter tap hole
02/26/2014CN103602779A Construction method for blowdown system of converter vaporization flue
02/26/2014CN103602778A Converter stokehole stove iron ladle spraying dust suppression device
02/26/2014CN103602777A Slag splashing furnace protecting material and preparation method thereof
02/26/2014CN103602776A Slag conditioning method for converter slag-splashing converter-protection technology
02/26/2014CN103602775A Method for effectively controlling generation of central cracks in medium-carbon steel plate
02/26/2014CN103602774A Method for calculating alloy material list in steelmaking area
02/26/2014CN102994692B Smelting process of high-boron high-speed steel roller material
02/20/2014WO2014027332A1 System for continuous charging and charge preheating for furnaces
02/20/2014WO2014026748A1 Device and method for introducing oxygen into a pressurized fluidized-bed gasification process
02/19/2014EP2697587A1 Method for operating an electric arc furnace
02/19/2014CN203440396U Bottom blowing pipe distribution structure for small and medium-sized top-bottom combined blowing converter split type furnace bottom
02/19/2014CN203440395U Novel upper nozzle device for converter steel tap hole
02/19/2014CN203440394U Electric fire door device of master control chamber of converter
02/19/2014CN203440393U Rough dedusting device for converter dry dedusting
02/19/2014CN203440392U Dry dedusting system of converter
02/19/2014CN103589937A Low-carbon low-alloy high-strength steel refining technology
02/19/2014CN103589822A Control method for outlet temperature of evaporative cooler used in dry converter dedusting
02/19/2014CN103589821A Automatic control method for lifting and dropping of oxygen gun of steel-making converter
02/13/2014WO2014023373A1 Hot blast lance with a nozzle brick arranged at the hot blast outlet
02/13/2014WO2014023372A1 Hot-blast lance
02/13/2014WO2014023371A1 Method for operating a blower lance arrangement, and blower lance arrangement itself
02/13/2014WO2014023370A1 Method for operating a reaction vessel for steel production, and a steel converter arrangement itself
02/13/2014DE102012016143A1 Heißwindlanze Hot air lance
02/13/2014DE102012016074A1 Verfahren zum Betrieb eines Reaktionsgefäßes zur Stahlherstellung, sowie Stahlkonverteranordnung selbst Method for operating a reaction vessel for steel preparation, as well as steel converter arrangement itself
02/12/2014EP2695952A1 Exhaust gas recovery device for converter furnace and method for recovering exhaust gas for converter furnace
02/12/2014EP2694691A1 Method for operating at least one supersonic nozzle in a metallurgical vessel, method for determining a pressure loss and system for determining operating parameters of at least one supersonic nozzle
02/12/2014EP2694452A2 Refractory object, glass overflow forming block, and process of forming and using the refractory object
02/12/2014CN203429197U Soft slag stopping plug
02/12/2014CN103582794A Apparatus for inducing flow in a molten material
02/12/2014CN103582705A Exhaust gas recovery device for converter furnace and method for recovering exhaust gas for converter furnace
02/12/2014CN103571998A Converter low-alkalinity residue high-efficiency dephosphorization method
02/12/2014CN103571995A External alloying process of precision stainless steel furnace
02/12/2014CN103571994A Infrared steel slag detection method of converter
02/12/2014CN103571993A Converter dust removal equipment through semidry method
02/12/2014CN103571992A One with two argon-blowing gas supply method at converter bottom
02/12/2014CN102816891B Hoisting method for overhauling and dismantling vaporization flue fixed at first section of converter
02/12/2014CN102732668B Oxygen furnace steel method capable of improving jet velocity through preheated oxygen
02/12/2014CN102634636B Energy-saving water-cooling plate for electric furnace
02/12/2014CN102373311B Slag modification method of stainless steel smelting end slag used for converter splash protection
02/12/2014CN102242235B Method for installing converter shell in reverse hydraulically lifting manner
02/12/2014CN101874121B Method for pre-treating high-temperature steel-making slag or iron liquid
02/06/2014WO2014021481A1 Apparatus for measuring height of molten material in electric furnace
02/06/2014WO2013175384A3 Suspension device for tilting oxygen converters and converter provided with said suspension device
02/05/2014EP2693144A1 Roof for electric furnace
02/05/2014EP2692874A1 Environmentally friendly flux for desulfurization of molten steel
02/05/2014EP2692873A1 Method for manufacturing stainless steel
02/05/2014CN103556050A Method for producing wheel steel by adopting LF-RH refining process
02/05/2014CN103555891A Nonvacuum treatment method for reducing hydrogen content in steel
02/05/2014CN103555886A Method for smelting ultralow-sulfur steel by using vanadium-containing molten iron
02/05/2014CN103555880A Method for preventing electric precipitation explosion venting during blowing igniting of semi-steel steelmaking
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