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 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups
Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430)
07/2010
07/14/2010CN101775537A Microalloy high tenacity no-tempering crane jib tube and production method
07/14/2010CN101775465A Dephosphorization agent for converter steelmaking and preparation method thereof
07/14/2010CN101775464A Micro carbon micro phosphorus aluminum manganese iron alloy as well as production method thereof
07/14/2010CN101775463A Deoxidation alloying process for improving alkalinity of low-carbon, low-sulfur and aluminum-containing steel desulfuration residue
07/14/2010CN101775462A Micro powder graphite carburant, preparation method and use method thereof
07/14/2010CN101775461A Method for improving central carbon segregation of tire cord steel
07/14/2010CN101775452A Method for smelting ultra-low sulfur, silicon and titanium grey nodular cast iron by pig iron
07/08/2010WO2010054853A3 Method for exchangeably fastening a refractory purge plug or sleeve and a container for molten metal
07/08/2010US20100172787 Novel additive comprising lead and/or a lead alloy intended to treat baths of liquid steel
07/07/2010CN201520798U Smelting equipment system for low-temperature alloy steel for engineering
07/07/2010CN201520780U Lining structure of split-type RH vacuum tank
07/07/2010CN101768705A Two-phase stainless steel alloy containing rare-earth metals
07/07/2010CN101768701A Nickel heat-resistance stainless steel and manufacturing method thereof
07/07/2010CN101768699A Low alloy high strength steel strip and production method thereof
07/07/2010CN101768698A Low cost yield strength 700MPA level non-tempering processing high strength steel plate and manufacturing method thereof
07/07/2010CN101768696A Yttrium nitrogen titanium boron alloy and preparation method and purposes thereof
07/07/2010CN101768691A Productive technology of short flow of structure type cast iron part
07/07/2010CN101768656A Method for refining ultra-low carbon ferritic stainless steel under vacuum
07/07/2010CN101768655A Method for controlling form of carbide in bearing steel
07/07/2010CN101768654A Blocking agent of molten iron desulphurization slag, preparation method and use thereof
07/07/2010CN101768653A Non-oriented silicon steel RH refinement and deoxidation control method
07/01/2010US20100164150 Method and system for producing metallic iron nuggets
07/01/2010US20100162853 Desulfurization puck
06/2010
06/30/2010CN201517115U Bottom blowing refining two-man ladle
06/30/2010CN101760701A Alloy-plastic steel plate for die and production method thereof
06/30/2010CN101760689A Method for producing low-temperature impact resistance high-strength nodular cast iron
06/30/2010CN101760585A Deep-desulphurizing slag system containing BaO and Li2O and method for producing ultralow-sulfur steel by adopting same
06/30/2010CN101760584A RH-DS furnace convenient for deep sulfur removal vacuum treatment
06/30/2010CN101760583A Method for controlling impurity in ultra low carbon IF steel
06/30/2010CN101760582A Smelting method for controlling content of nitrogen in low-carbon steel
06/30/2010CN101760581A Production process for smelting high-level low-carbon steel at low cost
06/30/2010CN101760580A Manufacturing method of high-temperature resistant and creep-resistant cast steel
06/30/2010CN101760577A Process for making high-strength pipe steel
06/30/2010CN101759437A Refractory composition for constructing dome portion of fluidized bed reduction furnace for reduction of iron ore
06/30/2010CN101328555B Mixing method of high quality low phosphor and sulfur high-alloy steel
06/30/2010CN101200791B Low-cost oil casing pipe steel and method for producing the same
06/29/2010US7744729 Ultrasonic energy system and method including a ceramic horn
06/29/2010US7744674 Producing a fluxing agent used in production of stainless steel by using a hydroxide sludge that from the neutralization of metal-contaminated, steel pickling liquid and contains fluoride-containing compound(s); calcining the sludge; decarburizing a steel heat to form a slag on top and adding a flux
06/23/2010EP2197608A1 Method for making stainless steel comprising fine carbonitrides and product obtained by said method
06/23/2010CN201512553U Steel leak-proof steel ladle air permeable brick
06/23/2010CN201511118U Deoxidized aluminum block casting machine
06/23/2010CN101748346A High-grade wear-resistant steel plate and production method thereof
06/23/2010CN101748338A High-strength cast steel for coupler of railway vehicle and manufacturing method thereof
06/23/2010CN101748336A Fire-resistant steel and preparation method thereof
06/23/2010CN101748334A High hardness cast boron-containing low alloy wear-resistant high-speed steel and preparation method thereof
06/23/2010CN101748333A Low-carbon-equivalent high-strength wear-resistant steel plate and production method thereof
06/23/2010CN101748328A Ship structure steel plate capable of being welded with high liner energy and method for producing same
06/23/2010CN101748246A Method for improving service life of insert tube of vacuum degassing furnace
06/23/2010CN101748245A Method for steelmaking
06/23/2010CN101748244A Deoxidizing ball for steelmaking production
06/23/2010CN101748243A Method for preparing spring steel
06/23/2010CN101748242A Method for precisely controlling nitrogen content in extra low carbon stainless steel with nitrogen
06/23/2010CN101748236A Method for controlling titanium component content in molten steel
06/23/2010CN101748234A Continuous steel-making method of short process with suspension pre-reduction
06/23/2010CN101372720B High vacuum induction furnace steel-smelting carburetion method
06/23/2010CN101318287B Method for manufacturing 460Mpa high-toughness medium plate for bridge
06/23/2010CN101265546B Method for producing spheroidal graphite cast iron from waste steel
06/22/2010CA2396078C Hot rolled steel having improved formability
06/17/2010WO2010067033A1 Supporting framework for a coil of wire for adding substances to a bath of liquid metal
06/17/2010WO2010066006A1 Injecting gas into a vessel
06/17/2010WO2010066005A1 Apparatus for injecting gas into a vessel
06/17/2010US20100148411 Electromagnetic agitator
06/17/2010CA2745512A1 Supporting framework for a coil of wire for adding substances to a bath of liquid metal
06/16/2010CN201506813U Novel bottom blowing argon butt joint device for steelmaking
06/16/2010CN201506812U Device for reducing oxygen content in ingot smelting
06/16/2010CN1918307B Methods employing permanent magnets having reach-out magnetic fields for electromagnetically pumping, braking, and metering molten metals feeding into metal casting machines
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
06/16/2010CN101736200A High-carbon steel multi-alloy wear-resisting ball and production method thereof
06/16/2010CN101736198A Hot rolled band for container and method for manufacturing same
06/16/2010CN101736194A Wheel steel and preparation method as well as wheel thereof
06/16/2010CN101736135A Reduction upgrading agent of ladle top slag for ultra-low-carbon steel and using method thereof
06/16/2010CN101736134A Method to modify the steel slag by aluminothermic reduction reaction
06/16/2010CN101736133A Pre-melted type RH vacuum refining desulfurizing agent and using method thereof
06/16/2010CN101736132A Sintering synthetic slag and production method thereof
06/16/2010CN101736131A Pre-melted desulfurizing agent for refining molten steel and preparation method thereof
06/16/2010CN101736130A Al-Ca-Fe deoxidant and preparation method thereof
06/16/2010CN101736129A Method for removing total oxygen in molten steel
06/16/2010CN101736128A Steelmaking composite deoxidizer
06/16/2010CN101736127A Preparation method of silicon carbide press balls
06/16/2010CN101736126A Use method of silicon-aluminium-barium-calcium alloy as deoxidizer in steel production
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
06/16/2010CN101736114A Composition for slag formation and preparation and use method thereof
06/16/2010CN101733399A RH refining processing production line and production flow thereof
06/16/2010CN101733369A Casting compound inoculation strengthening technology
06/16/2010CN101353715B Composite desulfurizer
06/16/2010CN101302578B Composite vanadium extraction and dephosphorization agent for vanadium-containing molten iron and preparation thereof
06/16/2010CN101135021B Aluminium magnesium ferroalloy for molten steel deoxidization desulfuration and alloying and preparation method thereof
06/16/2010CN101086203B Method for producing continuous casting round billet for petroleum bush using convertor process
06/16/2010CN101050479B Technique and installation for transporting quenching solidified steel slag
06/15/2010US7736586 Melting furnace with agitator
06/15/2010US7736415 for uniform dispersion of additives
06/09/2010CN201501904U Vacuum regulating device for vacuum refining furnace
06/09/2010CN201501903U Novel steelmaking wire feeder water-cooled wire guiding device
06/09/2010CN201501902U Adjustable anode device applicable to pollution-free deoxidation of external electric field of slag metal room
06/09/2010CN101726188A Masonry structure for 18TAOD furnace lining
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