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)
06/2010
06/09/2010CN101724790A Low-nickel austenitic stainless steel and manufacturing method thereof
06/09/2010CN101724787A Axle shaft steel and preparation method thereof
06/09/2010CN101724778A Steel for automobile beam and with yield strength more than 500 MPa and manufacturing method thereof
06/09/2010CN101724734A Complex desulfurizer and manufacturing method
06/09/2010CN101724733A Synthesized slag suitable for slag-metal applied electric field pollution-free deoxygenation and preparation method thereof
06/09/2010CN101724732A Low-carbon and low-silicon Al-Mn-Ti-Fe alloy for deoxidation and alloying of molten steel
06/09/2010CN101724731A Feeding rotary chute special for refining
06/09/2010CN101724730A Method for casting austenitic stainless steel by lost foam casting
06/09/2010CN101724727A Short-flow rotary hearth furnace continuous steelmaking method comprehensively utilizing resources
06/09/2010CN101724286A Protective layer material for winding of electromagnetic vibration feeder and preparation method thereof
06/09/2010CN101721949A Method for granulating powdery active lime, special equipment and midbody
06/09/2010CN101323892B Bottom anode side conductive direct current ladle furnace
06/09/2010CN101284305B High manganese steel casting grain refinement casting technique
06/08/2010US7731823 Ultrasonic energy system and method including a ceramic horn
06/08/2010US7731778 Scrap bale for steel making process
06/08/2010CA2410797C Apparatus for injecting gas into a vessel
06/02/2010CN201493455U Decarburization device of protective slag
06/02/2010CN101717894A 40Si2MnCrNiMoVNbN spring steel and production process thereof
06/02/2010CN101717890A Cast low alloy steel for grader blade and preparation method
06/02/2010CN101717843A Method for utilizing sulfur-containing refining waste residue for refining slag
06/02/2010CN101717842A Method for dephosphorization and desulphurization in process of steel production in induction furnace
06/02/2010CN101717841A Ca-Fe alloy and Al-Ca-Fe alloy for steel making and preparation method thereof
06/02/2010CN101716721A Manufacturing process of spring steel wire rod
06/02/2010CN101716651A Method for casting turbo supercharger volute shell casting for large ship
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
06/02/2010CN101307414B Steel for high performance manganese-containing engineering machinery wheel and method for preparing same
06/02/2010CN101173323B Multifunctional slagging material findings and method for producing the same
06/02/2010CN101121990B Quasi-as-cast bainite gray cast iron cylinder jacket and preparation method thereof
06/02/2010CN101121987B Smelting method for titanium-containing austenitic stainless steel
06/02/2010CN101024860B Steel-smelting core-wound wire and preparing method
05/2010
05/27/2010WO2010058122A1 Porous magnesia clinker, manufacturing method and use thereof as flux for treating steelmaking slag
05/27/2010US20100126311 Direct processing of metallic ore concentrates into ferroalloys
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
05/27/2010CA2743755A1 Porous magnesia clinker, manufacturing method and use thereof as flux for treating steelmaking slag
05/26/2010CN201488547U Anti-seepage mechanism, breathable brick and breathable brick having anti-seepage mechanism
05/26/2010CN201485494U Wear-resistant alloy cast steel smelting apparatuses system
05/26/2010CN201485482U Gas supply device of blow gun
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
05/26/2010CN101713027A Iron trapping and casing technological method in FeV50 smelting by electro-silieothermic process
05/26/2010CN101713016A Lance duct for vacuum treatment systems
05/26/2010CN101713015A Steel-making reducing agent
05/26/2010CN101713014A Steel additive agent vanadium nitride alloy powder core-spun wire
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
05/26/2010CN101713009A Method for improving pass percent of medium plate flaw detection
05/26/2010CN101311288B Wire rod for producting1770Mpa bridge cable galvanized steel wire and method for manufacturing same
05/26/2010CN101157965B Low-cost arc furnace tapping deoxidization technique
05/25/2010CA2397539C Method for the treatment of slag from electric steel plants
05/20/2010WO2010054853A2 Method for exchangeably fastening a refractory purge plug or sleeve and a container for molten metal
05/20/2010US20100122607 Method and apparatus for carrying out a metallurgical process
05/19/2010EP2187194A2 Device for taking a sample from metal melts
05/19/2010CN201473562U AOD furnace
05/19/2010CN101709430A High manganese steel crusher hammer with high original hardness and manufacturing method thereof
05/19/2010CN101709425A High-strength steel plate for super-thick 80,000-ton large-scale forging press brackets, and production method thereof
05/19/2010CN101709355A Parallel longitudinal arrangement of ladle car track and vacuum chamber trolley replacing track
05/19/2010CN101709354A Parallel transversal arrangement of ladle car track and vacuum chamber trolley replacing track
05/19/2010CN101709353A Composite sulfur removal material for cast iron and preparation method thereof
05/19/2010CN101709347A Method for producing passive metal particle, metal powder or passive lime
05/19/2010CN101319289B Smelting method for high manganese steel casting
05/19/2010CN101078065B Method for preparing series titanium-iron alloy by smelting titanium raw material
05/19/2010CN101016578B Molten steel purifying slag agent produced by blast furnace fusion method
05/18/2010US7718114 Ceramic foam filter for better filtration of molten iron
05/18/2010US7717978 Method and installation for production of secondary steel based on scrap
05/18/2010US7717976 stabilizing free nitrogen in the steel by using nitride-forming elements, such as boron
05/18/2010CA2559154C Method for a direct steel alloying
05/14/2010WO2009090226A3 Process for preparing a foaming slag former, product and use thereof
05/12/2010CN201463621U Embedded video camera in refining furnace
05/12/2010CN201463580U Lifting device
05/12/2010CN201461604U Double-station hydraulic jacking system for RH steel ladles
05/12/2010CN201459181U Liquid steel vacuum treatment device
05/12/2010CN101705436A Duplex stainless steel
05/12/2010CN101705430A High-speed steel roll and preparation method thereof by centrifugal compounding in electromagnetic field
05/12/2010CN101705429A Wire rod of high-speed railroad no-slag sleeper slab steel wire and production method thereof
05/12/2010CN101705423A Low-cost steel plate for building structure and manufacturing method thereof
05/12/2010CN101705417A Method for producing medium and low carbon ferromanganese through furnace refining
05/12/2010CN101705412A Method for smelting large energy input welded pipeline steel
05/12/2010CN101705339A External desulfurizer for induction furnace and steel-making furnace and desulfurization method
05/12/2010CN101705338A Air supplement unit for spraying and blowing system pipeline
05/12/2010CN101705337A Calcium-contained steel smelting deoxidizer and passivating treatment thereof
05/12/2010CN101705336A Method for producing medium and low carbon ferromanganese through furnace refining
05/12/2010CN101705335A Micro-alloying compound cored wire for high-strength steel
05/12/2010CN101705334A Aluminum-calcium-magnesium-cerium composite alloy used for strong desulfurization, final desoxidation, and quenching and tempering of liquid steel
05/12/2010CN101705327A Production technology of steel used for pipe line steel electrode
05/12/2010CN101704170A High-toughness gas shielded welding wire and preparation method and use method thereof
05/12/2010CN101704070A Iron silicon lanthanum nucleating agent
05/12/2010CN101328529B Technological process for molten steel secondary refining dephosphorization to produce ultra-low phosphorus steel
05/12/2010CN101191173B Method for smelting low-silicon high-manganese steel
05/12/2010CN101134987B Desulfurizing agent for non-oriented silicon steel
05/12/2010CN101096721B Deep desulfurizer for refining ultra-low-carbon steel and manufacturing method thereof
05/06/2010WO2010050238A1 Pearlite rail having superior abrasion resistance and excellent toughness
05/06/2010CA2734980A1 Pearlite rail having superior abrasion resistance and excellent toughness
05/05/2010CN101701324A Wear-resistant chromium steel
05/05/2010CN101701316A Automobile beam steel with tensile strength of 590MPa and manufacturing method thereof
05/05/2010CN101701281A Premelted refining slag for refining low-oxygen steel by converter
05/05/2010CN101701280A Molten steel furnace external refining agent and production method thereof
05/05/2010CN101701279A Method for smelting low-sulfur steel by single-mouth refining furnace
05/05/2010CN101701277A Method for smelting steel round blank of air cylinder by convertor process
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