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)
06/2010
06/16/2010CN201506804U System for interrupting automatic oxygen-turn off gun for converter control system network
06/16/2010CN201506803U Fire-damper suspending board in front of converter
06/16/2010CN201505496U Circular seam Venturi tube
06/16/2010CN101743330A Process for producing molten iron
06/16/2010CN101736208A Rare-earth low-nickel austenitic stainless steel
06/16/2010CN101736206A Coking cart heat-resisting and wear-resisting lining plate and manufacturing method thereof
06/16/2010CN101736204A High-strength atmospheric corrosion-resistant medium plate and manufacturing method thereof
06/16/2010CN101736203A High-strength weather-resisting hot rolled steel strip and manufacturing method thereof
06/16/2010CN101736202A Sulphuric acid dew point corrosion resisting steel and method for producing same
06/16/2010CN101736198A Hot rolled band for container and method for manufacturing same
06/16/2010CN101736125A Method for recycling powdery ferrocolumbium
06/16/2010CN101736124A Method for reducing titanium inclusion in cord steel
06/16/2010CN101736123A Boron-containing alloy smelting process with high yield
06/16/2010CN101736122A Method for improving recovery rate of smelt nonmagnetic steel aluminum
06/16/2010CN101736121A Method for smelting 07Cr2MoW2VNbB steel in electric furnace and using same to form round pipe billets through horizontal continuous casting
06/16/2010CN101736120A Displacement compensating type sealing device
06/16/2010CN101736119A Manufacturing method of floating type mechanical pressing slag-stopping ball
06/16/2010CN101736118A Installation method of track beam of oxygen lance for steel-making converter
06/16/2010CN101736117A Converter fume high-temperature bag dust removal and recycling and secondary steam recycling system
06/16/2010CN101736116A Temperature reduction technology for steel converter coal gas flue
06/16/2010CN101736115A Converter-strengthened slagging agent and preparation method and using method thereof
06/16/2010CN101736114A Composition for slag formation and preparation and use method thereof
06/16/2010CN101381789B Slag-removing device for tapping of converter
06/16/2010CN101086203B Method for producing continuous casting round billet for petroleum bush using convertor process
06/16/2010CN101080503B Gas spray gun
06/10/2010WO2009093098A3 Injector system for making fuel gas
06/10/2010US20100140853 Lance holder with multiple-tolerance clamping head
06/09/2010CN201503222U Diffused gas waste heat recovery system of metallurgical converter
06/09/2010CN201503218U Weldless oxygen lance for large-taper taper pipe
06/09/2010CN201501901U Novel cooling wall of steelmaking electric furnace
06/09/2010CN201501900U Connection device for speed reducers in tilting device
06/09/2010CN201501899U Slag stopping rod throwing device of smelting furnace
06/09/2010CN201501898U Improved slide gate nozzle brake valve of converter steel outlet
06/09/2010CN201501897U Extinguishment-aided device used for dry method dust-cleaning apparatus of converter flue gas
06/09/2010CN201501896U Low-temperature converter gas residual heat utilization equipment
06/09/2010CN101724778A Steel for automobile beam and with yield strength more than 500 MPa and manufacturing method thereof
06/09/2010CN101724729A Lubricating device of four-shaft disresonance trolley vibrator
06/09/2010CN101724728A Waste heat recovery and bag-type dust removal system
06/09/2010CN101723692A High strength nanophase ceramic composite insulation material and preparation method thereof
06/09/2010CN101392305B Automatic control technology complete set of plant of tap hole gate valve steel slag-blocking system
06/09/2010CN101328525B Steel-smelting converter movable smoke hood sealing arrangement
06/09/2010CN101194029B Hot metal supply apparatus
06/09/2010CN101169656B Converter tilting electric transmission and control system
06/08/2010CA2492243C Metallurgical vessel and method of iron making by means of direct reduction
06/08/2010CA2437224C Method for oxidizing treatment of steel plant slag to obtain cement-based materials
06/08/2010CA2410797C Apparatus for injecting gas into a vessel
06/03/2010WO2010060770A1 Nozzle for injecting gas containing oxygen into a pig iron device having an injector insertion pipe
06/03/2010CA2744880A1 Nozzle for injecting gas containing oxygen into a pig iron device having an injector insertion pipe
06/02/2010CN201497362U Novel special slideway gate for rear slag stopping rod
06/02/2010CN201496110U System for coal gas waste heat utilization
06/02/2010CN201495247U Rotary furnace gas waste heat utilization system
06/02/2010CN201495246U Lifting trolley for preventing an oxygen lance from dropping
06/02/2010CN201493807U Tapping-hole brick dismantling device for ultrahigh power electric arc furnace
06/02/2010CN101717887A Rotary austenite toughening-based low-temperature steel and method for preparing same
06/02/2010CN101717840A Electric furnace steel-making method utilizing like graphite to replace pig iron to match with carbon
06/02/2010CN101717839A New energy-saving steel-making device of small and medium electric furnace
06/02/2010CN101717838A Device for connecting furnace shell and supporting ring of revolving furnace with four-point linkage mechanism
06/02/2010CN101717837A Chemical activation liquid of converter slag and application method thereof
06/02/2010CN101716721A Manufacturing process of spring steel wire rod
06/02/2010CN101423916B Low-alloy abrasion-proof and corrosion resistant steel and method for producing the same
06/02/2010CN101403073B method of producing for self-generating carbide particle reinforced ferrite heat-resistant steel
06/02/2010CN101362283B Manufacture method of ship rudder horn
06/02/2010CN101328524B Automatic detaching apparatus of auxiliary lance probe
06/02/2010CN101173323B Multifunctional slagging material findings and method for producing the same
06/01/2010US7727304 Smelting process for the production of iron
05/2010
05/27/2010WO2010057656A1 System for tracking system properties
05/27/2010DE102008056809A1 Titanhaltiger Zuschlagstoff und Verfahren zu seiner Herstellung aus chloridhaltigen Rückständen der Titandioxidherstellung Titanium-containing aggregate and process for its preparation from chloride-containing residues from titanium dioxide production
05/26/2010CN201488566U Flexible ring mechanical seal device of converter movable hood
05/26/2010CN201488555U Device of converter slag stopper for accurately positioning and slag stopping,
05/26/2010CN201485494U Wear-resistant alloy cast steel smelting apparatuses system
05/26/2010CN201485481U Operating device for replacing steel tapping hole of converter
05/26/2010CN201485480U Converter flue gas waste heat recovery and purifying dedusting device
05/26/2010CN101715491A Tuyere device for introduction of gas mediums under level of liquid metal
05/26/2010CN101713054A Large thickness steel plate for hydrogenation reaction chamber reeling equipment and production method thereof
05/26/2010CN101713013A Method for using steel slag to produce steel
05/26/2010CN101713012A Method for increasing molybdenum yield in stainless steel smelting
05/26/2010CN101713011A Novel smelting method of cast steel
05/26/2010CN101713010A Method for reclaiming coal gas of converter through guidance of mathematical model
05/26/2010CN101713009A Method for improving pass percent of medium plate flaw detection
05/26/2010CN101429584B Mobile riding wheel frame
05/20/2010WO2010054853A2 Method for exchangeably fastening a refractory purge plug or sleeve and a container for molten metal
05/20/2010US20100123275 Off-gas heat recovery and particulate collection
05/20/2010US20100122607 Method and apparatus for carrying out a metallurgical process
05/19/2010EP2187194A2 Device for taking a sample from metal melts
05/19/2010CN201476584U Carbon-oxygen spray gun for electric furnace steel making
05/19/2010CN201476583U Supersonic jet oxygen lance of electric furnace
05/19/2010CN201476582U Guiding self-balancing oxygen lance anti-falling device
05/19/2010CN201476580U Steel tapping hole capable of replacing steel tapping hole end bricks on line
05/19/2010CN201473561U Sub-lance body
05/19/2010CN201473560U Special-purpose tool for measuring the distance between oxygen gun nozzle and furnace bottom in converter
05/19/2010CN101709352A Method for preventing water leakage of base of coherent oxygen lance of electric furnace and water cooling plate under base
05/19/2010CN101709351A Method for oxygen blast of electric furnace
05/19/2010CN101709350A Method of chromium alloying in gear steel furnace
05/19/2010CN101709349A Method for online adjustment of coal gas recovery cup valve of steel converter
05/19/2010CN101708484A Magnetic mechanical device, method for separating dust particles, system and method for recycling metal components
05/18/2010US7717978 Method and installation for production of secondary steel based on scrap
05/18/2010CA2559154C Method for a direct steel alloying
05/14/2010WO2009090226A3 Process for preparing a foaming slag former, product and use thereof
05/12/2010CN201464079U Semi-automatic molten steel temperature measuring device
05/12/2010CN201463595U Roller type slideway locking device
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