Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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10/23/2013 | CN103361573A 420MPa grade vanadium-containing nitrogen steel and production method thereof |
10/23/2013 | CN103361572A Antiwear metal material for mud pump flow passage components |
10/23/2013 | CN103361571A Sintered alloy and production method therefor |
10/23/2013 | CN103361570A Martensite stainless steel annular forging and heat treatment technology thereof |
10/23/2013 | CN103361569A Ultralow temperature weather-proof structural steel plate and production method thereof |
10/23/2013 | CN103361568A Fire-resistant weather-resistant building steel and manufacturing method thereof |
10/23/2013 | CN103361567A Steel used for voltage stabilizer of pressurized water reactor power station and manufacture method of steel |
10/23/2013 | CN103361566A High-strength high-toughness Cu-containing steel and production method thereof |
10/23/2013 | CN103361565A Ceramimetallurgical flange and manufacturing method thereof |
10/23/2013 | CN103361564A Super duplex stainless steel seamless steel tube and preparation method |
10/23/2013 | CN103361563A Free-cutting high-hardness austenite nonmagnetic die steel and manufacturing method thereof |
10/23/2013 | CN103361562A Casting technology of low alloy steel |
10/23/2013 | CN103361561A Seamless steel tube material for coupling material and preparation method thereof |
10/23/2013 | CN103361560A Cold-rolled hot-molded steel plate and production method thereof |
10/23/2013 | CN103361559A Nb and Ti composite micro-alloyed high-temperature carburized gear steel |
10/23/2013 | CN103361558A Rare-earth-containing wet-H2S-corrosion-resistant T95 steel-grade oil well pipe and production method thereof |
10/23/2013 | CN103361557A High-toughness spring steel and preparation method thereof |
10/23/2013 | CN103361556A Preparation method of hot rolled steel coil used for oil and gas pipeline |
10/23/2013 | CN103361555A Ceramimetallurgical shaft sleeve and manufacturing method thereof |
10/23/2013 | CN103361554A Steel sheet excellent in bending workability, impact property and tensile property, and manufacturing method thereof |
10/23/2013 | CN103361553A Low-temperature resistant seamless steel tube for freezing construction and manufacturing method thereof |
10/23/2013 | CN103361552A V-N microalloying 460MPa-level thick plate and manufacturing method thereof |
10/23/2013 | CN103361551A V-N microalloying based high toughness ship board and preparation method thereof |
10/23/2013 | CN103361550A Q370 vessel steel with excellent simulated post-weld heat treatment performance and production method |
10/23/2013 | CN103361549A Steel plate with excellent hydrogen induced cracking resistance, and manufacturing method of the same |
10/23/2013 | CN103361548A Metal tubular pile terminating plate and production process thereof |
10/23/2013 | CN103361547A Production method of ultrahigh strength steel plate for cold forming and steel plate |
10/23/2013 | CN103361546A Ultra-high strength strapping raw sheet and manufacturing method thereof |
10/23/2013 | CN103361545A High-nitrogen high-strength automotive steel |
10/23/2013 | CN103361544A 无取向硅钢及其制造方法 Non-oriented silicon steel and its manufacturing method |
10/23/2013 | CN103361543A Cerium iron alloy and preparation and usage methods thereof |
10/23/2013 | CN103361542A Wheel steel smelting process |
10/23/2013 | CN103361505A Preparation method of FeAl-based porous material |
10/23/2013 | CN103358662A Ferro-nickel alloy screen plate and preparation method thereof |
10/23/2013 | CN103357882A R-T-B-based rare earth magnet particles, process for producing the R-T-B-based rare earth magnet particles, and bonded magnet |
10/23/2013 | CN102796954B Low-manganese iron-based shape memory alloy |
10/23/2013 | CN102568809B Method for preparing corrosion-resistant high-performance sintered neodymium iron boron magnets |
10/23/2013 | CN102534415B Manufacture method for billets |
10/23/2013 | CN102421927B Steel for nitrocarburization, nitrocarburized components, and production method for same |
10/23/2013 | CN102365376B Method for producing seamless steel pipe |
10/23/2013 | CN102227512B Steel wire for low-temperature annealing and method for producing same |
10/23/2013 | CN101476084B 高温合金 Superalloy |
10/22/2013 | US8562762 High strength hot rolled steel products for line-pipes excellent in low temperature toughness and production method of the same |
10/22/2013 | US8562761 Steel |
10/22/2013 | US8562760 Compositions and methods for determining alloys for thermal spray, weld overlay, thermal spray post processing applications, and castings |
10/22/2013 | US8562759 Compositions and methods for determining alloys for thermal spray, weld overlay, thermal spray post processing applications, and castings |
10/22/2013 | US8562758 Austenitic-ferritic stainless steel |
10/22/2013 | US8562757 Mg-based alloy plated steel material |
10/22/2013 | US8562712 Method and apparatus for the production of metal compounds |
10/22/2013 | CA2637790C Iron-nickel alloy |
10/22/2013 | CA2597774C Method for steel strip coating and a steel strip provided with said coating |
10/17/2013 | WO2013155126A1 Systems and methods for tubular welding wire |
10/17/2013 | WO2013154254A1 High carbon hot rolled steel sheet having excellent uniformity and method for manufacturing same |
10/17/2013 | WO2013154184A1 Electroplating steel sheet, electroplated steel sheet, and manufacturing method thereof |
10/17/2013 | WO2013154129A1 Wire rod, steel wire using same, and billet |
10/17/2013 | WO2013154071A1 Steel sheet suitable as impact absorbing member, and method for manufacturing same |
10/17/2013 | WO2013153832A1 Metal material for electronic component |
10/17/2013 | WO2013153819A1 High-strength thick-walled electric-resistance-welded steel pipe having excellent low-temperature toughness, and method for manufacturing same |
10/17/2013 | WO2013153679A1 Hot-rolled steel plate for square steel tube for use as builiding structural member and process for producing same |
10/17/2013 | WO2013153676A1 Low-yield-ratio high-strength electric resistance welded steel pipe, steel strip for said electric resistance welded steel pipe, and methods for manufacturing same |
10/17/2013 | WO2013153114A1 High strength interstitial free low density steel and method for producing said steel |
10/17/2013 | US20130273393 Steel for cold forging/nitriding, steel material for cold forging/nitriding, and cold-forged/nitrided component |
10/17/2013 | US20130273392 Hot-dip galvanized steel sheet and manufacturing method thereof |
10/17/2013 | US20130273391 High-yield-ratio high-strength steel sheet having excellent workability |
10/17/2013 | US20130272914 Steel wire material and method for manufacturing same |
10/17/2013 | US20130272913 Steel wire material and method for manufacturing same |
10/17/2013 | US20130272912 Ferritic stainless steel excellent in oxidation resistance |
10/17/2013 | US20130269838 Hot-rolled, cold rolled, and plated steel sheet having improved uniform and local ductility at a high strain rate |
10/17/2013 | DE112006003553B4 Dicke Stahlplatte für eine Schweißkonstruktion mit ausgezeichneter Festigkeit und Zähigkeit in einem Zentralbereich der Dicke und geringen Eigenschaftsänderungen durch ihre Dicke und Produktionsverfahren dafür Thick steel plate for a welded construction with excellent strength and toughness in a central region of the thickness and small changes in properties through its thickness and production for |
10/16/2013 | EP2650396A1 Steel sheet for bottom covers of aerosol cans and method for producing same |
10/16/2013 | EP2650059A1 Steel foil for solar cell substrate, solar cell substrate, solar cell, and methods for manufacturing the steel foil and the solar cell |
10/16/2013 | EP2649214A2 Process for manufacturing high manganese content steel with high mechanical resistance and formability, and steel so obtainable |
10/16/2013 | CN103354167A A method for producing an ndfeb sintered magnet |
10/16/2013 | CN103352221A High speed rotating machinery axle laser cladding repair alloy powder and repair method |
10/16/2013 | CN103352180A Manufacturing method of carbon alloy |
10/16/2013 | CN103352179A Carbon alloy |
10/16/2013 | CN103352178A Titanium alloy |
10/16/2013 | CN103352177A Strength-enhanced steel |
10/16/2013 | CN103352176A Air-cooling type 80H thermal production well casing based on strain design and production process thereof |
10/16/2013 | CN103352175A Nitrogen-containing austenitic stainless steel and manufacturing method thereof |
10/16/2013 | CN103352174A Roll ring for rolling and straightening track beam, and manufacturing method for same |
10/16/2013 | CN103352173A Preheat treatment method for 18CrNiMo7-6 alloy steel forged pieces |
10/16/2013 | CN103352172A Sea platform steel having thickness of 150mm, and production method thereof |
10/16/2013 | CN103352171A High-alloy steel D2 rolling method |
10/16/2013 | CN103352170A Alloy forged steel and production method and application thereof |
10/16/2013 | CN103352169A Seamless steel pipe for perforating gun barrel body and thermal treatment method of seamless steel pipe |
10/16/2013 | CN103352168A Low-carbon and high-chromium steel and converter smelting technology thereof |
10/16/2013 | CN103352167A Low-yield ratio and high-strength steel for bridges and manufacturing method thereof |
10/16/2013 | CN103352166A High-strength magnetic-conductive steel plate and producing method thereof |
10/16/2013 | CN103352165A Cold rolled coil strapping steel having tensile strength of 940MPa or more, and production method thereof |
10/16/2013 | CN103352164A Method for preparing carbon nano tube cast steel composite material through precast block |
10/16/2013 | CN103352108A H13 molten steel cold and hot treatment process |
10/16/2013 | CN103350331A Manufacturing method of high-strength automobile brake hub |
10/16/2013 | CN103350206A Composite centrifugal casting method of pressure oil cylinder |
10/16/2013 | CN103350205A Centrifugal casting method for engine cylinder sleeve |
10/16/2013 | CN103350204A Composite centrifugal casting method of sealing ring |
10/16/2013 | CN103350203A Compound centrifugal casting method for large-scale ring piece |
10/16/2013 | CN103028719B Centrifugal composite high-wear-resistance cone-type vertical mill roller sleeve |
10/16/2013 | CN102787272B Preparation method of hot-rolled acid-washing high-strength steel for automobile carriage |
10/16/2013 | CN102766810B Production method of rack steel for self-elevating oil extraction platform |