| Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430) |
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| 12/17/2008 | CN201165533Y Desulfuring spray gun |
| 12/17/2008 | CN201165532Y Molten iron desulfuring spray gun |
| 12/17/2008 | CN101323929A High strength steel plate for big thickness tall building structure and production method thereof |
| 12/17/2008 | CN101323927A Method for producing high-temperature alloy by induction heating vacuum refining |
| 12/17/2008 | CN101323926A Method for producing ultra-low carbon corrosion resisting alloy by using plasma refining |
| 12/17/2008 | CN101323898A Oxygen one-step impurity removing refining method for raw ferro nickel |
| 12/17/2008 | CN101323897A Air one-step impurity removing refining method for raw ferro nickel |
| 12/17/2008 | CN101323896A Refined-smelting ladle furnace carbon control deep desulphurization method for ultra-low-carbon steel production |
| 12/17/2008 | CN101323895A Technological process for removing fine occluded foreignsubstance in molten steel |
| 12/17/2008 | CN101323894A Technological process for removing small inclusions in secondary refining |
| 12/17/2008 | CN101323893A Technological process for removing fine occluded foreignsubstance in molten steel |
| 12/17/2008 | CN101323892A Bottom anode side conductive direct current ladle furnace |
| 12/17/2008 | CN101323891A Manufacturing method of pure high manganese steel cross frog |
| 12/17/2008 | CN100443612C Technological method for improving comprehensive performance of M42 high speed steel |
| 12/17/2008 | CN100443595C Switching method for feeding nitrogen and argon of reblowing converter bottom |
| 12/11/2008 | WO2008149733A1 Process for producing high cleanliness steel |
| 12/11/2008 | US20080302503 Method for Adaptively Controlling Processes for the Production of Cast Iron |
| 12/11/2008 | US20080302210 Steel desulphurating agent and use thereof in the desulphuration of steel |
| 12/10/2008 | CN101319293A Sea water resistant steel and manufacture process thereof |
| 12/10/2008 | CN101319289A Smelting method for high manganese steel casting |
| 12/10/2008 | CN101319269A Technique for desulfurization in refining process |
| 12/10/2008 | CN101319268A Technique for outside-stove refining dephosphorization |
| 12/10/2008 | CN101319267A Composite sphere for outside-stove refining dephosphorization, removing fine foreign matter and its manufacturing method |
| 12/10/2008 | CN101319266A Core cabling wire for outside-stove refining dephosphorization, removing fine foreign matter and its manufacturing method |
| 12/10/2008 | CN101319265A Powder preparation additive for outside-stove refining dephosphorization, removing fine foreign matter and its manufacturing method |
| 12/10/2008 | CN101319264A Fusing agent additive for manufacturing ultra-low phosphoretic steel with outside-stove refining dephosphorization and its manufacturing method |
| 12/10/2008 | CN101319263A Composite sphere for manufacturing ultra-low phosphoretic steel with outside-stove refining dephosphorization and its manufacturing method |
| 12/10/2008 | CN101319262A Technique for manufacturing ultra-low phosphoretic steel with outside-stove refining dephosphorization of liquid steel |
| 12/10/2008 | CN101319261A Technique for manufacturing ultra-low phosphoretic steel with outside-stove refining dephosphorization |
| 12/10/2008 | CN101319260A Technique for controlling accurate addition of micro-element in steel |
| 12/10/2008 | CN101319259A Method for producing fine oxide dispersion steel |
| 12/10/2008 | CN101319258A Technique for preparing fine oxide dispersion steel |
| 12/10/2008 | CN101318287A Method for manufacturing 460Mpa high-toughness medium plate for bridge |
| 12/04/2008 | WO2008146533A1 Steel for high-cleanliness springs excellent in fatigue characteristics and high-cleanliness springs |
| 12/04/2008 | US20080296812 Degassing Apparatus Having Duplex Vacuum Vessel |
| 12/03/2008 | EP1997916A1 Method of denitrifying molten steel |
| 12/03/2008 | EP1996736A2 Method of making steel |
| 12/03/2008 | CN201158681Y Dip pipe of integral vacuum degasser |
| 12/03/2008 | CN101314806A Preliminary melting type vacuum smelting desulfurizing agent and preparation method thereof |
| 12/03/2008 | CN101314805A High-efficiency dephosphorization smelting method for medium phosphor hot metal revolving furnace |
| 12/03/2008 | CN101314804A Core cabling wire scavenging agent for steel-smelting |
| 12/03/2008 | CN101314803A Calloy deoxidizing agent for steel-smelting |
| 12/03/2008 | CN101314802A Complex deoxidization process for nitrogen containing diphasic stainless steel |
| 12/03/2008 | CN101314145A Grinder hammerhead with ceramic wearing coat and casting method thereof |
| 12/03/2008 | CN100439539C Process of producing iron alloy with low carbon and chromium |
| 12/03/2008 | CN100439538C Process of producing iron alloy with low carbon and manganese |
| 12/02/2008 | US7459210 Granulated raw material for refractory products and also a process for the production of and use of the granulated raw material |
| 11/27/2008 | US20080289450 Conveyor System, Composite System and Method For Coupling Metallurgical Methods |
| 11/27/2008 | CA2686285A1 Enhanced alloy recovery in molten steel baths utilizing cored wires doped with deoxidants |
| 11/26/2008 | CN101311288A Wire rod for producting1770Mpa bridge cable galvanized steel wire and method for manufacturing same |
| 11/26/2008 | CN100436632C Vanadium treated bake hardening type deep drew steel plates of saloon sedan, and preparation method |
| 11/26/2008 | CN100436627C Process for producing C-Mn-Al killed steel |
| 11/26/2008 | CN100436618C Fusing agent used under high temperature fused state |
| 11/26/2008 | CN100436604C Passivated composite desulfurizing powder and preparing method |
| 11/26/2008 | CN100436603C Process of deoxygenating, desulfurizing and controlling non-metal inclusion content in steel |
| 11/25/2008 | CA2409520C Method and apparatus for delivering metallurgically improved molten metal |
| 11/19/2008 | EP1386011B1 Ladle refining of steel |
| 11/19/2008 | CN201151727Y Upper suction nozzle for vacuum cycling degassing device |
| 11/19/2008 | CN201151726Y Aluminum content decreasing pot core |
| 11/19/2008 | CN201151725Y Spray gun for spraying powder into molten iron |
| 11/19/2008 | CN101307414A Steel for high performance manganese-containing engineering machinery wheel and method for preparing same |
| 11/19/2008 | CN101307410A Smelting method of furnace tube for hydrocracking device |
| 11/19/2008 | CN101307376A Diprotic synthetic dregs for magnesium-spraying and desulphurizing and use method |
| 11/19/2008 | CN101307375A Antisticking ladle dreg modifying agent for refining out of furnace |
| 11/19/2008 | CN101307374A Process for removing nonmetal inclusion in molten steel |
| 11/19/2008 | CN101306435A Production method of toothed wheel |
| 11/19/2008 | CN100434558C High-boron cast steel containing granular boride and preparing method thereof |
| 11/19/2008 | CN100434540C Outer desulfurization method for acid induction furnace |
| 11/19/2008 | CN100434539C Rare earth silicon manganese aluminium iron alloy for steel liquid deoxidation and its preparation process |
| 11/19/2008 | CN100434538C Purifying and alloying method of wear-resistant steel fusant |
| 11/18/2008 | US7451804 Method and apparatus for horizontal continuous metal casting in a sealed table caster |
| 11/13/2008 | WO2008136516A1 High-strength steel sheet excelling in flange extensibility and fatigue performance and method of smelting for molten steel thereof |
| 11/13/2008 | DE112006003540T5 Entgasungsvorrichtung mit Duplex-Vakuumbehälter Degassing with duplex vacuum vessel |
| 11/12/2008 | CN201148445Y Vacuum pumping packaging device for producing high alkalinity and high melting speed water-proof liquid steel refining slag |
| 11/12/2008 | CN201148444Y Surface passivation process mixing apparatus of liquid steel refining slag |
| 11/12/2008 | CN101303196A Apparatus for injecting gas into vessel |
| 11/12/2008 | CN101302579A Blowing refining apparatus |
| 11/12/2008 | CN101302578A Composite vanadium extraction and dephosphorization agent for vanadium-containing molten iron and preparation thereof |
| 11/12/2008 | CN101302577A MgO-based desulfurizer based on self-propagating and preparation thereof |
| 11/12/2008 | CN101302576A Dolomite-based desulfurizer based on in-situ reduction and preparation thereof |
| 11/12/2008 | CN101302575A Alloyed aluminum-nickel-chromium-iron composite alloy for final deoxidizing in steel-making |
| 11/12/2008 | CN101302574A Alloyed nickel-chromium-iron composite alloy for final deoxidizing in steel-making |
| 11/12/2008 | CN101302573A Additive for preparing fine oxide dispersion steel, preparation and use thereof |
| 11/12/2008 | CN101302572A Additive for preparing fine oxide dispersion steel, preparation and use thereof |
| 11/12/2008 | CN101302571A Method for improving circular flow of single snorkel refining furnace |
| 11/12/2008 | CN101302570A Secondary refining method of 10 to 30 tons bottom breakout ladle |
| 11/12/2008 | CN101301679A Tundish covering agent special for smelting pipeline steel |
| 11/12/2008 | CN100432263C Ultrahigh-strength and high-toughness welded cast steel |
| 11/12/2008 | CN100432242C Ladle slag modified aluminium slag pellet |
| 11/12/2008 | CN100432241C Assistant deoxidizer in use for smelting cold rolled and hot rolled low carbon aluminium-killed steel |
| 11/11/2008 | US7449143 Systems and methods of electromagnetic influence on electroconducting continuum |
| 11/06/2008 | DE50002898C5 Feuerfester keramischer Gasspülstein Refractory ceramic gas purging plug |
| 11/05/2008 | CN201144254Y Iron melt pretreatment spray gun |
| 11/05/2008 | CN201144253Y Wire feeding device |
| 11/05/2008 | CN101298635A Special pre-desulfuration synthetic slag for pipeline steel smelting and use method |
| 11/05/2008 | CN101298634A Premelting molten iron pretreatment dephosphorization agent |
| 11/05/2008 | CN101298633A Converter slag-containing premelting molten iron pretreatment dephosphorization agent |
| 11/05/2008 | CN101298632A BaO-containing external slag washing desulfuration refining agent |
| 11/05/2008 | CN101298631A In situ mechanically rabbled furnace external desulfurization method and apparatus |
| 11/05/2008 | CN100430491C Furnace dephosphorus rod agent for electric furnace molten steel |