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)
10/2012
10/11/2012DE102011006876A1 Verfahren zum Betrieb mindestens einer Überschalldüse in einem metallurgischen Gefäß, Verfahren zur Ermittlung eines Druckverlusts, sowie System zum Ermitteln von Betriebsparametern mindestens einer Überschalldüse 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
10/11/2012DE102004040494C5 Verfahren und Vorrichtung zum Betrieb eines Elektrolichtbogenofens Method and apparatus for operating an electric arc furnace
10/10/2012EP2507430A1 Improved methods of treating a biomass for enzymatic hydrolysis
10/10/2012CN202482350U Induction furnace molten steel decontamination device
10/10/2012CN202482349U Monitoring and control system for converter tapping based on thermal image processing
10/10/2012CN202482348U Device for replacing slide gate nozzle of revolving furnace
10/10/2012CN202482347U Novel oxygen gun with prolonged service life
10/10/2012CN202482346U Steelmaking converter smoke heat recovery and total-effect utilization device
10/10/2012CN202482345U Smoke pilot fire gathering and heat recovery device for steel converter
10/10/2012CN202482344U State conversion device for realizing utilization of uninterrupted heat energy output of steelmaking converter
10/10/2012CN102725427A Gas purging device
10/10/2012CN102719766A Wear-resistant steel with high strength and production method thereof
10/10/2012CN102719728A Technique for producing anti-acid pipeline steel by RH-LF-VD refining
10/10/2012CN102719726A Method for producing stainless steel master liquid
10/10/2012CN102719665A Process method and equipment for producing slag-forming agent for making steel by utilizing steel making sludge
10/10/2012CN102719614A Process for producing anti-acid pipeline steel by Ruhrstahl Heraecus (RH)-ladle furnace (LF)-RH refining
10/10/2012CN102719606A Method for preventing water-cooled furnace wall of electric arc furnace from leaking water
10/10/2012CN102719605A Foamed ball for producing foam slag in process of stainless steel smelting by an electric arc furnace and a manufacture method thereof
10/10/2012CN102719604A Center water-cooling convertor oxygen lance spraying head
10/10/2012CN102719603A Slag-groveling-type fettling method
10/10/2012CN102719602A Clean steel-refining slagging method
10/10/2012CN102719601A Method for making slag by replacing partial limestone with lime used for top and bottom combined blown converter
10/10/2012CN102719600A Production method of ultra low carbon steel
10/10/2012CN102719599A Method for plugging double-layered sleeve type bottom gun central pipe
10/10/2012CN102719598A 90-ton basic oxygen furnace bottom maintenance method
10/10/2012CN102719597A Converter tapping dephosphorization method of interstitial free steel
10/10/2012CN102719596A Method for melting converter bottom by remaining converter slags
10/10/2012CN102719595A Method for handling high slag surface in converter blowing endpoint
10/10/2012CN102719594A Method for processing decarburized layer on the surface of residual magnesia carbon brick
10/10/2012CN102719593A Method for smelting ultra-low carbon steel
10/10/2012CN102719592A Method for bricklaying furnace lining of large converter
10/10/2012CN102719591A Multi-step furnace baking method for converter
10/10/2012CN102719575A Converter slag modifier and manufacture and using method thereof
10/10/2012CN102321785B Method for smelting high-silicon low-oxygen clean steel
10/10/2012CN102220546B B-containing medium-carbon non-quenched and tempered steel and production method thereof
10/10/2012CN102140566B Method for improving cleanliness of low-carbon molten aluminum-killed steel
10/10/2012CN102041457B Austenitic stainless steel
10/10/2012CN101851696B Raw material preheating and shoot charging system of top-blown oxygen steelmaking converter
10/10/2012CN101653791B Converter-shell varied arc-segment hot compacting positioner and positioner manufacturing method
10/04/2012WO2012135762A2 Refractory object, glass overflow forming block, and process of forming and using the refractory object
10/04/2012WO2012134036A1 Roof for electric furnace
10/04/2012WO2012133795A1 Environmentally friendly flux for desulfurization of molten steel
10/04/2012WO2012132789A1 Method for manufacturing stainless steel
10/04/2012WO2012130220A1 Method for operating an electric arc furnace system, and electric arc furnace system
10/04/2012CA2842768A1 Environmentally friendly flux for molten steel desulfurization
10/03/2012EP2504458A2 Fastening system for tiltable metallurgical vessels
10/03/2012CN202465765U Protection device for furnace wall oxygen lance of electric furnace
10/03/2012CN202465764U Oxygen gun with light transmitting device
10/03/2012CN202465763U Steel pipe aluminium section used for deoxygenation during steelmaking of revolving furnace
10/03/2012CN202465762U Special process slag stopper for slag free tapping of converter
10/03/2012CN202465761U Discharge opening
10/03/2012CN202465760U Novel translation type convertor operation chamber protection door
10/03/2012CN202465759U Automatic feeding system for automatic steel converter
10/03/2012CN202465758U Converter gas purifying and recycling system
10/03/2012CN102703816A High-carbon low-alloy wear-resistant ball steel and production process thereof
10/03/2012CN102703681A Method for recovering high-speed tool steel from grinding wheel ash
10/03/2012CN102703644A Method for producing low-carbon high-chrome alloy steel
10/03/2012CN102703643A Furnace body improved structure and furnace body transformation method for prolonging service life of lining of electric furnace
10/03/2012CN102703642A Method for producing slag retaining spear for converter by using waste of smelteries
10/03/2012CN102703641A Oxygen lance for central water-cooling converter and using method for oxygen lance
10/03/2012CN102703640A Method of maintenance and lifting for moving section flue at converter mouth
10/03/2012CN102703639A Fluorine-free slagging agent
10/03/2012CN102703638A Oxygen lance fixing device for oxygen bottom blowing furnace
10/03/2012CN102703637A Low-nitrogen recarbonizer
10/03/2012CN102701608A Limekiln coproduction device
10/03/2012CN102230053B Self-adaptive oxygen lance quick changing device
10/03/2012CN102199683B Rapid desulfurizing method for smelting ultrapure steel with vacuum induction furnace
10/03/2012CN102091779B Carbon manganese balls and preparation method thereof and continuous casting smelting process for high or medium carbon steel converter
10/03/2012CN102061424B Super-thick Q390GJC-Z35 steel plate for high-rise buildings and production method thereof
10/03/2012CN102000797B Method for producing nodular cast iron pipe fittings with vanadium-bearing titanomagnetite as raw material
09/2012
09/28/2012DE202012103369U1 Dreh-Kippofen Rotary tilting furnace
09/27/2012DE102011014894A1 Melting material, comprises filling first material to be melted in induction furnace to first level below maximum filling level of crucible, and refilling second material to be melted in dependence on power consumption of furnace
09/26/2012EP2503011A1 Industrial furnace cover
09/26/2012EP2502015A2 Method and device for reducing the metallurgical power demand of closed electric smelting and/or reduction furnaces
09/26/2012CN202452818U Lifting and swinging device for lid of smelting furnace and smelting furnace equipment
09/26/2012CN202450113U Pulsating gas stirring device of metallic molten pool
09/26/2012CN202450112U Novel rotating furnace bottom air blowing and supplying element
09/26/2012CN202450111U Device for charging materials during turndown
09/26/2012CN102690938A Pilot scale production method of low-carbon Fe-Mn-Al-Si series TWIP (Twining Induced Plasticity) steel
09/26/2012CN102690923A Method for forecasting sublance process carbon content of converter
09/26/2012CN102690922A Method for reducing aluminum oxide inclusion in silicon-containing aluminum killed steel subjected to vacuum treatment
09/26/2012CN102690921A Method for comprehensively utilizing vanadium titano-magnetite by melting and separating through reduction-fuel smelting furnace of rotary hearth furnace
09/26/2012CN102071279B Slag washing material for converter process production aluminum killed steel and preparation method thereof
09/26/2012CN102061353B Method for optimizing runtime value of steel-making closed-loop circulating water buffer tank
09/26/2012CN102021266B Automatic acquisition system and method for weight of molten iron added into converter
09/26/2012CN102010928B Converter oxygen lance blowing control method based on dry dedusting process
09/26/2012CN101993970B Device and method for detecting and controlling slag state of converter
09/26/2012CN101775560B Nickel-saving austenitic stainless steel and production method thereof
09/20/2012WO2012123041A1 Industrial furnace cover
09/20/2012DE102011014090A1 Verfahren zur Ermittlung eines Betriebs- und/oder Werkstoffparameters in einem Elektrolichtbogenofen und Elektrolichtbogenofen A method for determining an operating and / or material parameters in an electric arc furnace and the electric arc furnace
09/19/2012EP2499295A1 Polyester surfactants for deinking
09/19/2012CN202443295U Automatic control system universally used by argon oxygen decarburization (AOD) furnace and top and bottom combined blowing furnace
09/19/2012CN202440527U Combustion settling chamber for electric furnace steelmaking
09/19/2012CN102686335A Method and apparatus for producing steel, and the continuous casting of steel
09/19/2012CN102676744A Technique for refined production of antiacid pipeline steel through VD-LF-VD
09/19/2012CN102676743A Step-by-step returning recycling method of LF (Lactoferrin) refining slag in thermal state
09/19/2012CN102676737A A method of installing a burner and/or injector panel apparatus and a method of treating metal using the same
09/19/2012CN102676736A Dissolution state determination device of arc furnace
09/19/2012CN102676735A Dissolution state determination device of arc furnace
09/19/2012CN102676734A Converter gas waste heat recovery device and method
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