| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 08/06/2008 | CN101235463A Technique for directly smelting stainless steel from dephosphorization blast furnace molten iron in furnace |
| 08/06/2008 | CN101235462A Use of waste copper in smelting copper-containing steel |
| 08/06/2008 | CN101235461A Method for smelting high-nitrogen steel under normal pressure |
| 08/06/2008 | CN100408710C Inoculant products comprising bismuth and rare earths |
| 07/31/2008 | WO2008091210A1 A diffussion alloyed iron powder |
| 07/31/2008 | CA2675104A1 A diffussion alloyed iron powder |
| 07/30/2008 | EP1948838A1 Multi-metal powder and a sintered compact produced therefrom |
| 07/30/2008 | EP1742753B1 Alloyed, non-oxidising metal powder |
| 07/30/2008 | EP1553196B1 Ferronickel and process for producing raw material for ferronickel smelting |
| 07/30/2008 | CN101230442A Low-alloy untempered steel for plastic mould frame steel and method for manufacturing same |
| 07/30/2008 | CN101230438A Austenitic antibiotic stainless steel and method for manufacturing same |
| 07/30/2008 | CN101230437A Alloyed hot galvanizing bake hardening steel and method for manufacturing same |
| 07/30/2008 | CN101230434A Method for producing high-activity granular carbon reductant |
| 07/30/2008 | CN101230423A Method for manufacturing high-titanium ferrotitanium |
| 07/30/2008 | CN100406607C Low yield ratio easy welding structure steel thick plate and its producing method |
| 07/24/2008 | US20080175740 Method for Producing Iron Powder Respectively Microalloyed Steel Powder Mainly for Metallurgical Applications and Method for Producing Thereof |
| 07/23/2008 | EP1947208A1 Wear-resistant iron base alloy |
| 07/23/2008 | CN101226801A Method for manufacturing iron base alloy electromagnetic-interference-resistance |
| 07/23/2008 | CN101225497A Method for preparing ductile iron exhaust manifold |
| 07/23/2008 | CN100404717C Free-cutting steel and fuel injection system component using the same |
| 07/16/2008 | CN101220442A Hot work die steel with high-heat stability and high-strength |
| 07/16/2008 | CN101220439A Non-quenching and tempering double-phase cold heading steel for high-strength fastener and method for manufacturing same |
| 07/16/2008 | CN101220438A Manufacture method for directly smelting high-nickel ferronickel with low ore grade nickel materials |
| 07/16/2008 | CN101219434A Method for producing steel for automobile wheel based on bar strip continuous casting and rolling flow path |
| 07/16/2008 | CN100403464C Method for producing soft magnetic material |
| 07/16/2008 | CN100402690C Mirror large-die-block preparing and producing method of 4Cr16Mo die |
| 07/15/2008 | US7399368 Mixing the powder of hard magnetic material and the powder of anti-ferromagnetic material; filling the mixed powder in a mold having an electric magnet, applying magnetic field, sintering, cooling |
| 07/10/2008 | WO2008082353A1 Powder, method of manufacturing a component and component |
| 07/10/2008 | WO2008049069A3 Improved processing method for the production of amorphous/nanoscale/near nanoscale steel sheet |
| 07/10/2008 | CA2673774A1 Powder, method of manufacturing a component and component |
| 07/09/2008 | CN201082895Y Vacuum rapid hardening furnace cooling material-receiving tank |
| 07/09/2008 | CN101215664A Method for preparing different proportion TiC/TiB2 diphase particles mixing local enhancement manganese steel composite material |
| 07/09/2008 | CN100400695C Iron base sintered alloy excellent in machinability |
| 07/09/2008 | CN100400694C Oil pump, molded parts used in the same, and manufacturing method of the molded parts |
| 07/09/2008 | CN100400204C Powder metal scrolls |
| 07/09/2008 | CN100400199C Process for producing alloy slab for rare-earth sintered magnet, alloy slab for rare-earth sintered magnet and rare-earth sintered magnet |
| 07/03/2008 | WO2008040885A3 Prealloyed metal powder, process for obtaining it, and cutting tools produced with it |
| 07/02/2008 | CN101210302A Middle and low carbon bainite high-strength high-ductility steel and manufacturing method thereof |
| 07/02/2008 | CN100398683C Martensitic chromium-nitrogen steel and its use |
| 07/01/2008 | US7393498 Uniaxially compacting coarse iron or iron-based powder to a density above 7.35 g/cm3 in a single compaction step at a pressure of at least 700 MPa; sintering in a single step at at least 1100 degrees C; densifying and surface finishing; having a fatigue strength close to that produced from wrought steel |
| 06/25/2008 | EP1935996A1 High temperature resistant alloys |
| 06/25/2008 | CN101206943A Iron base amorphous magnetically-soft alloy having high saturated magnetic induction and excellent toughness |
| 06/25/2008 | CN101205595A Tough ultra-strength stainless steel and method for manufacturing the same |
| 06/25/2008 | CN101205589A Soft ferritic stainless steel and manufacture method thereof |
| 06/25/2008 | CN101205586A Method for smelting high-temperature alloy steel P91 |
| 06/25/2008 | CN101204761A Solder alloy and method for manufacturing same |
| 06/24/2008 | US7390456 Powder-metallurgic method for producing highly dense shaped parts |
| 06/19/2008 | US20080146467 Sintered Material, Ferrous Sintered Sliding Material, Producing Method of the Same, Sliding Member, Producing Method of the Same and Coupling Device |
| 06/18/2008 | EP1323840B1 Iron base mixed powder for high strength sintered parts |
| 06/18/2008 | CN101203622A Metal composites and methods for forming the same |
| 06/18/2008 | CN101200791A Low-cost oil casing pipe steel and method for producing the same |
| 06/18/2008 | CN100395370C Memory alloy fish bolt fastener material for railway and preparation method thereof |
| 06/18/2008 | CN100395368C Niobium titanium -combined microalloying steel for cooling-control reinforced bar and method for producing same |
| 06/18/2008 | CN100395364C Method for molten steel recarburization and vanadium alloying |
| 06/12/2008 | WO2008069696A2 Method for processing ore concentrates containing iron, titanium and vanadium oxides and a device for carrying out said method |
| 06/12/2008 | WO2008068810A1 Process for recovering valuable metals from waste |
| 06/12/2008 | US20080138642 Iron-Based Sintered Compact and Method for Production Thereof |
| 06/11/2008 | EP1930456A2 Powder-metallurgically produced steel plate, application of such a steel plate and method for its manufacture |
| 06/11/2008 | CN101195892A Nichrome steel alloy for smelting stainless steel and producing method thereof |
| 06/11/2008 | CN101195890A High chromium abrasion-proof cast iron abrasive disc and manufacturing method thereof |
| 06/11/2008 | CN101195889A CuCr low-alloy cast iron cylinder cover |
| 06/11/2008 | CN101195888A Method for producing multi-phase TiC-Cr7C3ceramic grain gradient reinforcing base steel composite material |
| 06/11/2008 | CN101195198A Process for manufacturing magnetron sputtering Fe-Co alloy target |
| 06/11/2008 | CN100393903C Producing method of high-toughness low-alloy constructional steel |
| 06/10/2008 | US7384446 Mixed powder for powder metallurgy |
| 06/10/2008 | US7384445 Densified surface and sintered density of at least 7.35 g/cm3 and a pore structure obtained by single pressing to at least 7.35 g/cm3 and single sintering of a mixture of a coarse iron or iron-based powder and optional additives; gears, bearings, rolls, sprockets and shafts |
| 06/04/2008 | EP1927580A1 Process for making iron powder or microalloyed steel powder from iron oxide powder by oxidation and reduction |
| 06/04/2008 | CN201068461Y Stainless steel revolving furnace |
| 06/04/2008 | CN101194036A Intermetallic bonded diamond composite composition and methods of forming articles from same |
| 06/04/2008 | CN101191181A Alloy steel for gear wheel and preparation method thereof |
| 06/04/2008 | CN101191180A Ultra-high performance wearable high-manganese steel and producing method thereof |
| 06/04/2008 | CN101191179A High speed steel material and preparation method thereof |
| 06/04/2008 | CN101191173A Method for smelting low-silicon high-manganese steel |
| 06/04/2008 | CN101191172A Producing method for preventing aluminum-manganese-iron alloy pulverizing |
| 06/04/2008 | CN101191171A Method for processing ultra-pure ferrite stainless steel by using ladle refining furnace to control carbon and nitrogen content |
| 06/04/2008 | CN101191170A Method for smelting stainless steel oxidizing slag by using argon oxygen furnace |
| 06/04/2008 | CN100392138C Half high speed steel composite roller and preparation process thereof |
| 06/04/2008 | CN100392130C Technology of one-step smelting medium carbon ferrochrome from chromite utilizing mine smelting furnace |
| 06/04/2008 | CN100392111C Method for manufacturing tool die steel plate produced by converter |
| 06/04/2008 | CN100391659C Method of production of surface densified powder metal components |
| 06/04/2008 | CN100391658C Fecral-alloy for use as electrical heating elements |
| 05/28/2008 | EP1925685A1 Iron powder for organic chlorinated compound decomposition and detoxifying treatment method using the same |
| 05/28/2008 | CN101187295A Super high intensity anti-corrosion pumping rod production method |
| 05/28/2008 | CN101186995A Medium carbon bearing steel and its preparation method |
| 05/28/2008 | CN101186994A Micro-alloying steel for oil gas transport seamless pipeline and its preparation method |
| 05/27/2008 | CA2359188C High-hardness powder metallurgy tool steel and article made therefrom |
| 05/21/2008 | EP1922430A1 Powder metallurgically manufactured high speed steel |
| 05/21/2008 | CN101183594A Magnet and motor using magnet |
| 05/21/2008 | CN101183583A Method of producing oxygen-containing soft magnetic ribbon for high frequency |
| 05/21/2008 | CN101182757A Sidetracking petroleum case pipe for petroleum natural gas mining industry and production process thereof |
| 05/21/2008 | CN101182622A High intensity, corrosion resistant and high ductility steel for mooring chain and production process thereof |
| 05/21/2008 | CN101182620A Corrosion and wear resistant alloy |
| 05/21/2008 | CN101182619A High-strength toughness cold working die steel and method of producing the same |
| 05/21/2008 | CN101182603A Neodymium-iron-boron cylindrical form permanent magnetic material with longitudinal through-hole molding method and special moulds |
| 05/21/2008 | CN101182591A Revolving furnace production process of low oxygen kind high-carbon chromium bearing steel |
| 05/14/2008 | EP1921175A1 Corrosion and wear resistant alloy |
| 05/14/2008 | EP1921174A2 Manufacture of clutch components |
| 05/14/2008 | EP1920079A1 A maraging steel article and method of manufacture |
| 05/14/2008 | CN101177766A High-chromium alloy cast-iron concrete mixer lining board and method for manufacturing the same |
| 05/14/2008 | CN101177765A Disk shearing blade and method for manufacturing the same |