Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
10/2011
10/12/2011CN102212666A Production method of high-strength steel S550GD+Z for structure
10/12/2011CN102212660A Intensified annealing method of nickel (Ni)-free high-nitrogen austenitic stainless steel
10/12/2011CN102212657A Quenching partition production method of cold-rolled transformation induced plasticity steel
10/12/2011CN102211360A High-intensity impact-resistant diamond circular saw blade matrix
10/12/2011CN102211202A Gas-solid phase reaction production method of nickel-free high-nitrogen stainless steel powder
10/12/2011CN102211160A Continuous casting method of sulfur-containing easy-cutting pinion steel
10/12/2011CN102211111A Composite roller and method for manufacturing insert of composite roller
10/12/2011CN101775545B Low-alloy high-strength high-toughness wear-resistant steel plate and manufacturing method thereof
10/12/2011CN101736198B Hot rolled band for container and method for manufacturing same
10/12/2011CN101641456B High-strength hot dip zinc plated steel sheet having excellent moldability, and method for production thereof
10/12/2011CN101589167B Steel material having excellent corrosion resistance
10/12/2011CN101428292B Method of manufacturing high-strength hot rolled ribbed steel bar
10/12/2011CN101346481B High-strength steel bolt having excellent resistance for delayed fracture and method for producing the same
10/12/2011CN101343712B Heavy steel plate for high-heat energy input soldering with excellent shortness fissure spread stop character
10/11/2011US8034199 Case-hardening steel excellent in cold forgeability and low carburization distortion property
10/11/2011US8034197 Ultra-high strength stainless steels
10/11/2011CA2559843C Corrosion-resistant steel excellent in toughness of base metal and weld portion, and method of manufacturing the same
10/06/2011WO2011122697A1 Dual phase structure stainless steel sheet and steel strip, and method for producing the dual phase structure stainless steel sheet and steel strip
10/06/2011WO2011122694A1 METHOD FOR PRODUCING HIGH-Si COLD ROLLED STEEL SHEET HAVING EXCELLENT CHEMICAL CONVERSION TREATABILITY
10/06/2011WO2011122667A1 Rare earth sintered magnet, method for producing the same, motor, and automobile
10/06/2011WO2011122651A1 Carburized steel member and method for producing same
10/06/2011WO2011122650A1 Gear and method for producing same
10/06/2011WO2011122638A1 Sintered magnet, motor, automobile, and method for producing sintered magnet
10/06/2011WO2011122589A1 Initial ultrafine crystal alloy, nanocrystal soft magnetic alloy and method for producing same, and magnetic component formed from nanocrystal soft magnetic alloy
10/06/2011WO2011122577A1 Rare earth sintered magnet, method for producing same, motor and automobile
10/06/2011WO2011122513A1 Ferritic stainless steel sheet superior in surface glossiness and corrosion resistance and method for producing same
10/06/2011WO2011122503A1 Stainless steel foil and catalyst carrier for exhaust gas purification device using the foil
10/06/2011WO2011122487A1 Ultra high strength steel plate having excellent workability, and production method for same
10/06/2011WO2011122315A1 Method for producing harmonic drive gear base material
10/06/2011WO2011122237A1 Steel sheet with high tensile strength and superior ductility and method for producing same
10/06/2011WO2011122233A1 Cutting method for steel for use in machine structure
10/06/2011WO2011122134A1 Steel for high frequency hardening, roughly molded material for high frequency hardening and process for production thereof, and high-frequency-hardened steel member
10/06/2011WO2011122078A1 Magnetoresistive element, magnetic disc device, and magnetoresistive memory device
10/06/2011WO2011122031A1 Hot-rolled steel sheet with high tensile strength and superior processability and method for producing same
10/06/2011WO2011122030A1 Hot-dip galvanized steel sheet with high tensile strength and superior processability and method for producing same
10/06/2011WO2011121947A1 Complex magnetic material, coil-embedded type magnetic element using the same, and manufacturing method thereof
10/06/2011WO2011121887A1 Spring steel and method of manufacture for same
10/06/2011WO2011121118A2 Steel, flat steel product, steel component and method for producing a steel component
10/06/2011WO2011120550A1 Steel product with improved weathering characteristics in saline environment
10/06/2011WO2011120517A1 Ultrahigh strength and wear-resistant quasi-eutectoid rail steels
10/06/2011WO2011120108A1 Bainitic steel for moulds
10/06/2011US20110243786 Low carbon resulfurized free cutting steel
10/06/2011US20110240176 High-strength cold-rolled steel sheet having excellent formability, high-strength galvanized steel sheet, and methods for manufacturing the same
10/06/2011US20110239835 Steel for machine structure use excellent in cutting tool lifetime and machining method of same
10/06/2011US20110239823 Magnetic powder metallurgy materials
10/06/2011DE102010016282A1 Ultrahochfeste und verschleißresistente quasieutektoide Schienenstähle Ultra high strength and wear-resistant quasieutektoide rail steels
10/06/2011CA2793294A1 Steel product with improved weathering characteristics in saline environment
10/06/2011CA2780082A1 Steel, steel flat product, steel part and method for producing a steel part
10/06/2011CA2757754A1 Bainitic steel for moulds
10/05/2011EP2371982A1 Seamless steel pipe and method for manufacturing same
10/05/2011EP2371981A1 Ferritic alloy compositions
10/05/2011EP2371980A1 Heat resistant steel for exhaust valve
10/05/2011EP2371979A1 High-strength cold-rolled steel sheet having excellent workability, molten galvanized high-strength steel sheet, and method for producing the same
10/05/2011EP2371978A1 Steel sheet, surface-treated steel sheet, and method for producing the same
10/05/2011EP2371465A1 Method and device for producing hardened moulded components
10/05/2011EP2370608A2 High strength steel plate for nuclear reactor containment vessel and method of manufacturing the same
10/05/2011EP2370604A1 Process for the production of grain-oriented magnetic sheet starting from thin slab
10/05/2011CN102209999A Method for producing rare earth sintered magnet and powder container for rare earth sintered magnet production
10/05/2011CN102209798A Steel for machine structure use attaining excellent cutting-tool life and method for cutting same
10/05/2011CN102208237A Nano ferrosilicon soft magnetic material
10/05/2011CN102206792A Novel low alloy material sink roll
10/05/2011CN102206791A Mo-containing ferritic stainless steel and manufacturing method thereof
10/05/2011CN102206790A Low-temperature steel casting material and preparation technique thereof
10/05/2011CN102206789A Oil well pipe for expandable-tube use excellent in toughness after pipe expansion and process for producing the same
10/05/2011CN102206788A Steel and production method thereof
10/05/2011CN102206787A Low-roll-force gas-transmission pipeline steel and production method thereof
10/05/2011CN102206786A High-efficiency alloy material for reducing halogenated organics in water and ball-milling preparation method thereof
10/05/2011CN102206785A Twinning induced plasticity alloy steel with columnar crystal structure and preparation method thereof
10/05/2011CN102205458A Manufacturing method for X120 steel-level spiral seam hidden arc welding tube
10/05/2011CN102205416A Manufacture method of engine tappet
10/05/2011CN101805872B Alloy pipe containing 18-24% of Mn and manufacturing method thereof
10/05/2011CN101773929B Method for producing 30CrMo hot rolled steel plate
10/05/2011CN101748338B High-strength cast steel for coupler of railway vehicle and manufacturing method thereof
10/05/2011CN101705411B Inclusion application
10/05/2011CN101649425B X120 pipeline steel with low crack sensitivity and high toughness and manufacturing method thereof
10/05/2011CN101586211B Producing method of hot-rolled steel sheet containing niobium steel
10/05/2011CN101565796B Sheet steel with tensile strength of 570Mpa for elbow pipe and production method thereof
10/05/2011CN101517115B Works for enameling and enameled products
10/05/2011CN101353769B Chromium 23 nickel 6 ferrite-austenitic stainless steel pipe and fabrication process thereof
09/2011
09/29/2011WO2011119166A1 High strength rebar
09/29/2011WO2011118854A1 Ferrite stainless steel sheet having high thermal resistance and processability, and method for manufacturing the same
09/29/2011WO2011118841A1 High-strength electrical-resistance-welded steel pipe and manufacturing method therefor
09/29/2011WO2011118597A1 High-strength steel plate with excellent warm workability
09/29/2011WO2011118459A1 Ultra high strength cold rolled steel sheet and method for producing same
09/29/2011WO2011118421A1 Method for producing high-strength steel plate having superior deep drawing characteristics
09/29/2011WO2011118126A1 Method for producing ultra high strength member and use of ultra high strength member
09/29/2011US20110238150 Bioerodible Medical Implants
09/29/2011US20110236696 High strength rebar
09/29/2011US20110236248 High-purity ferritic stainless steel with excellent corrosion resistance and workability and method of production of same
09/29/2011US20110236247 Heat resistant steel for exhaust valve
09/29/2011US20110232809 High corrosion resistance precipitation hardened martensitic stainless steel
09/29/2011US20110232807 High yield ratio and high-strength thin steel sheet superior in weldability and ductility, high-yield ratio high-strength hot-dip galvanized thin steel sheet, high-yield ratio high-strength hot-dip galvannealed thin steel sheet, and methods of production of same
09/29/2011US20110232806 Side rail
09/29/2011DE112009002272T5 Höchstfestes feuerverzinktes Stahlfeinblech mit martensitischem Gefüge als Matrix und Herstellungsverfahren dafür Highly resistant galvanized sheet steel with a martensitic structure as the matrix and manufacturing method thereof
09/29/2011DE102010012718A1 Density reduced ultra-high carbon containing lightweight steel, useful to manufacture component for motor vehicle, preferably to manufacture part of e.g. engine, comprises carbon, aluminum, silicon, chromium, manganese and balance of iron
09/28/2011EP1525289B1 Method and ribbed tube for thermally cleaving hydrocarbons
09/28/2011EP1514950B1 Stainless-steel pipe for oil well and process for producing the same
09/28/2011EP0974677B1 A method for producing high strength steels having excellent formability and high impact energy absorption properties
09/28/2011CN102203313A Alloyed hot-dip galvanized steel sheet and method for producing same
09/28/2011CN102203312A Steel sheet, hot-dip zinc-coated steel sheet and processes for production of same