Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
08/2009
08/05/2009EP2085493A1 Process for producing high-concentration carburized steel
08/05/2009EP1836327A4 High-strength four-phase steel alloys
08/05/2009EP1326725B1 Production of thin steel strip
08/05/2009CN101501932A Antenna core and antenna
08/05/2009CN101501915A Coil spring for fuel cell
08/05/2009CN101501914A Stainless steel member for fuel cell
08/05/2009CN101501234A Duplex stainless steel
08/05/2009CN101501233A Steel for automobile undercarriage component excelling in fatigue performance and process for manufacturing automobile undercarriage component using the steel
08/05/2009CN101497972A High strength low yield ratio welding structure steel and production method thereof
08/05/2009CN101497971A High-strength hardened and tempered steel and production method thereof
08/05/2009CN101497970A Austenitic alloy steel
08/05/2009CN101497969A High-performance weather-resisting anti-seismic steel for building and production method thereof
08/05/2009CN101497968A Steel for microalloying lorry axle and technique for producing the same
08/05/2009CN101497967A High tension steel plate with excellent weldability
08/05/2009CN101497966A High-hardness hypereutectic high chromium, manganese, molybdenum and tungsten alloy wear resistant steel material and use thereof
08/05/2009CN101497965A Steel for cutting edge of shovel of loader and digger and production method thereof
08/05/2009CN101497964A High hardness and toughness low alloy abrasion resistant steel and use thereof
08/05/2009CN101497963A Medium alloy abrasion resistant steel and use thereof
08/05/2009CN101497962A High tension thick steel plate with excellent toughness at welding heat affected zone
08/05/2009CN101497961A Low-temperature flexibility 1.5Ni steel and method of manufacturing the same
08/05/2009CN101497960A High strength anti-collision pipe for automobile and method of manufacturing the same
08/05/2009CN101497959A Cold rolling baking hardened steel with yield strength 220MPa and production method thereof
08/05/2009CN101497958A Heavy lorry casting wheel steel
08/05/2009CN101497957A Novel high temperature resistant ductile iron article for furnace
08/05/2009CN101497130A 45-degree spiral beveled wheel with powder metallurgy technique and mold for manufacturing the gear
08/05/2009CN100524899C Anode material and battery using the same
08/05/2009CN100523265C Toughness superior weather-resistant steel plate for welding heat affected zone
08/05/2009CN100523264C High-tension steel plate with excellent toughness for high heat energy welding heat influence part
08/05/2009CN100523263C Iron-base shape memory alloy locked key and its manufacturing and using method
08/05/2009CN100523262C Meta-bainite steel and application of the same in railway
08/05/2009CN100523261C Iron-nickel-cobalt alloy, method for the production and use thereof
08/05/2009CN100523260C Fatigue cracking resistant expansibility excellent steel plate
08/05/2009CN100523259C High tensile steel product excellent in delayed fracture resistance and method for production thereof
08/05/2009CN100523258C Hot-dip galvanized steel sheet and alloyed hot-dip galvanized steel sheet
08/05/2009CN100523257C Grain-oriented electromagnetic steel sheet and process for producing the same
08/05/2009CN100523256C Oil well seamless steel pipe excellent in resistance to sulfide stress cracking and method for production thereof
08/05/2009CN100523255C Soldering steel plate in high intensity in use for ocean by large line energy, and manufacturing method
08/05/2009CN100523254C Soldering not quenching and tempering steel plate in high intensity by large line energy, and manufacturing method
08/05/2009CN100523253C Soldering low alloy steel plate in high intensity by large line energy, and manufacturing method
08/05/2009CN100523252C Soldering boat deck steel in high intensity by large line energy, and manufacturing method
08/05/2009CN100523251C High-cleanliness steel and processes for producing the same
08/05/2009CN100523133C Method and ribbed tube for thermally cleaving hydrocarbons
08/04/2009US7569286 Abrasion of metal with silcon compound for wear resistance surfaces, welds; friction resistance; alloy contains carbon, boron,chromium,iron,niobium, nickel and manganese
08/04/2009US7569115 An alloy of either iron or cobalt and either palladiium or platinum; high-density magnetic recording medial; protective coating of a surfactant or coupler; high anisotropy;/large coercivity; monodispersity; good crystal structure; fluid flow while maintaining spacings of inter-particular distance
08/04/2009CA2525062C Steel pipe for an airbag system and a method for its manufacture
07/2009
07/30/2009WO2009093728A1 Hollow member and method for manufacturing same
07/30/2009WO2009093676A1 Welding material and welded joint structures
07/30/2009WO2009093652A1 Ferrite-austenite stainless steel sheet for structural members excellent in workability and impact absorption characteristics and process for the production of the sheet
07/30/2009WO2009093527A1 Alloy to be surface-coated and sliding members
07/30/2009WO2009093492A1 Grain-oriented electromagnetic steel sheet excellent in magnetic characteristics
07/30/2009US20090191425 Steel product with a high austenite grain coarsening temperature, and method for making the same
07/30/2009US20090191086 Hot-working steel
07/30/2009US20090191084 Reactive atomized zero valent iron enriched with sulfur and carbon to enhance corrosivity and reactivity of the iron and provide desirable reduction products
07/30/2009US20090188589 High-strength steel sheet and process for producing the same
07/29/2009EP2083501A2 Stator lamination compression component of a material inhibiting eddy current heating
07/29/2009EP2083094A1 High-strength steel wire excelling in ductility and process for producing the same
07/29/2009EP2082073A1 Duplex stainless steel alloy and use of this alloy
07/29/2009EP2006086A9 Soft magnetic metal strip laminate and process for production thereof
07/29/2009EP1954845B1 Method for producing high-manganese, low-carbon steel
07/29/2009EP1719821B1 Steel product for line pipe excellent in resistance to hic and line pipe produced by using the steel product
07/29/2009EP1218552B1 Low-carbon steels of superior mechanical and corrosion properties
07/29/2009CN101495663A Iron-nickel alloy
07/29/2009CN101495662A Austenitic stainless steel welded joint and austenitic stainless steel welding material
07/29/2009CN101495661A High strength zn-coated steel sheet having excellent mechanical properites and surface quality and the method for manufacturing the same
07/29/2009CN101492793A Medium-lower alloy abrasion resistant steel
07/29/2009CN101492792A Free-machining ferritic stainless steel for ferromagnetic component
07/29/2009CN101492791A Electromagnetic steel plate capable of soldering in large energy input and manufacturing method thereof
07/29/2009CN101492790A High-power diesel engine crank axle
07/29/2009CN101492789A Steel for smithing and smithing article gained thereof
07/29/2009CN101492788A Microalloy non-hardened and tempered steel and controlled forging and cooling process
07/29/2009CN101492787A Medium-high-carbon microalloy non-hardened and tempered steel and controlled forging and cooling process
07/29/2009CN101492786A Method for producing non-oriented silicon steel
07/29/2009CN101492785A High-silicon Hadfield steel with remarkable strain hardening ability
07/29/2009CN100520991C Magnetic powder and isotropic bonded magnet
07/29/2009CN100519816C Ultra-fine ferrite crystal grain low-alloy steel and manufacturing method thereof
07/29/2009CN100519815C OOCr13Ni5Mo ultralow-carbon martensitic stainless steel and producing method thereof
07/29/2009CN100519814C Non-hardened and tempered steel plate with high yield strength
07/29/2009CN100519813C High-strength toughness cold working die steel and method of producing the same
07/29/2009CN100519812C Pearlite like high strength low alloy rail steel producing method
07/29/2009CN100519811C Steel for mechanical parts, method for producing mechanical parts from said steel and mechanical parts obtained by using the steel and method
07/29/2009CN100519810C Middle-chromium rare earth-containing high-purity ferrite wrinkle-resistant stainless steel and manufacturing method thereof
07/29/2009CN100519809C Thick steel plate for low temperature use and capable of being welded in superhigh energy and its production process
07/29/2009CN100519808C Vanadium-containing hot rolled steel plate and preparation method thereof
07/29/2009CN100519807C Magnetic alloy and method for producing same
07/29/2009CN100519806C Method for producing steel with high manganese and low carbon content and smelter
07/29/2009CN100519805C High-rigidity/high-strength thin steel sheet and manufacturing method therefor
07/29/2009CN100519779C Rolling parts and producing process thereof
07/28/2009US7566416 high strength of at least 900 MPa and high tensile strength with a high toughness, resistance to bursting; heating first, quenching and tempering the pipe at a temperature lower than the Ac1 transformation point, then cold working
07/28/2009US7566372 Railway car wheel
07/23/2009WO2009091127A2 Grain oriented electrical steel having excellent magnetic properties and manufacturing method for the same
07/23/2009WO2009090555A1 Process for manufacturing stamped products, and stamped products prepared from the same
07/23/2009WO2009090443A1 Process for manufacturing stamped products, and stamped products prepared from the same
07/23/2009WO2009090231A1 Parts made of austenitic cast iron having an increased carbon content, methods for the production thereof, and use thereof
07/23/2009WO2009090228A1 Parts made of high-strength, ductile cast steel having a high manganese content, method for the production thereof, and use thereof
07/23/2009WO2009090155A1 Structural part, especially motor vehicle component, made of a dual-phase steel
07/23/2009WO2009055133A3 Secondary-hardening gear steel
07/23/2009WO2009046777A8 Tool
07/23/2009US20090185943 Steel plate and steel plate coil
07/23/2009US20090184790 Soft magnetic iron/cobalt/chromium-based alloy and process for manufacturing it
07/23/2009US20090183804 Localized induction heating for residual stress optimization