Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
03/2013
03/27/2013CN102991019A Powder metallurgy brake caliper
03/27/2013CN102991014A Self-lubricating copper alloy powder composite and preparation method
03/27/2013CN102990068A Powder metallurgy gear
03/27/2013CN102990065A Powder metallurgy manufacturing method for valve flap of check valve
03/27/2013CN102990014A Casting method of engineering machine driving wheel
03/27/2013CN102989983A Forging method of automobile engine crankshaft
03/27/2013CN102989982A Forging method of driving shaft for gearbox
03/27/2013CN102989953A Forging method of automotive eccentric shaft
03/27/2013CN102989952A Processing method of wire support clamp
03/27/2013CN102989941A Machining method of MAC (Measurement and Control) lever
03/27/2013CN102605278B High-temperature alloy and hot isostatic pressing sintering method thereof
03/27/2013CN102330021B Full production process of low-temperature oriented silicon steel
03/27/2013CN102321841B Track shoe steel with tensile strength of up to 1300 MPa and manufacturing method thereof
03/27/2013CN102277541B Rare earth alloy steel grid section of sintering pallet
03/27/2013CN102268612B X80 steel elbow with low temperature resistance and manufacturing process thereof
03/27/2013CN102257167B Method for producing high alloy steel pipe
03/27/2013CN102248156B Powder metallurgy car connecting rod and common mould pressing production method thereof
03/27/2013CN102242320B Super-hard copper-containing martensite antibiotic stainless steel
03/27/2013CN102242308B Hot-rolled steel sheet and cold-rolled steel sheet and manufacturing method thereof
03/27/2013CN102242307B Hot-rolled steel sheet and cold-rolled steel sheet and manufacturing method thereof
03/27/2013CN102242306B Hot-rolled steel sheet and cold-rolled steel sheet and manufacturing method thereof
03/27/2013CN102230058B Heat treatment process of low alloy high-strength steel with yield strength of 690 MPa
03/27/2013CN102149830B Directional electromagnetic steel plate manufacturing method
03/27/2013CN102131947B Hardened martensitic steel having low cobalt content, process for manufacturing part from this steel, and parts thus obtained
03/27/2013CN102071359B Ultra-high-intensity automobile structural steel and production method thereof
03/27/2013CN102066598B Steel material for welding
03/27/2013CN102041455B Stainless steel for heat exchanger welded pipe and manufacturing method thereof
03/27/2013CN101994055B Composite magnetostrictive material and preparation method thereof
03/27/2013CN101962740B Ferrite stainless steel for automobile exhaust emission system and manufacturing method thereof
03/27/2013CN101952471B Steel products and process for production thereof
03/27/2013CN101932742B High-strength hot-dip-galvanized steel sheet having excellent moldability, and method for production thereof
03/27/2013CN101918699B Structural part, especially motor vehicle component, made of a dual-phase steel
03/27/2013CN101906592B High-wear resistant low-cobalt powder metallurgical valve seat
03/27/2013CN101871079B Copper-bearing ferritic antibacterial stainless steel and manufacturing method thereof
03/27/2013CN101842507B Hardfacing steel for machine structure, and steel component for machine structure
03/27/2013CN101688271B Maraging steel and maraging steel for metallic belt
03/27/2013CN101591751B Low specific gravity and high strength steel sheets with excellent ridging resistibility and manufacturing methods thereof
03/27/2013CN101365820B High-strength spring steel excellent in brittle fracture resistance and method for producing same
03/27/2013CN101264681B Hot-dip galvannealed steel sheet, steel sheet treated by hot-dip galvannealed layer diffusion and a method of producing the same
03/26/2013US8404356 Contact material, composite sintered contact component and method of producing same
03/26/2013US8404178 High-strength pearlitic steel rail having excellent delayed fracture properties
03/26/2013US8404061 Method for producing a component from an air-hardenable steel and component produced therewith
03/26/2013CA2742661C Galvanized steel sheet and method for manufacturing the same
03/23/2013CA2785990A1 Hot-rolled high-strength steel structural members and method
03/21/2013WO2013039272A1 Thin cold-rolled steel plate having high strength and high formability, and preparation method thereof
03/21/2013WO2013039193A1 Process for producing grain-oriented electromagnetic steel sheet with excellent core loss characteristics
03/21/2013WO2013038788A1 Thermal spray material, thermal spray coating film, and structure
03/21/2013WO2013038741A1 Trip-type two-phase martensitic steel and ultrahigh-strength-steel processed article obtained therefrom
03/21/2013WO2013038662A1 Magnetic refrigeration material and method for manufacturing magnetic refrigeration material
03/21/2013WO2013038637A1 High-strength steel sheet having excellent workability and method for producing same
03/21/2013WO2013038020A1 Non-grain-oriented higher-strength electrical strip with high polarisation and method for the production thereof
03/21/2013WO2013038008A1 Method for producing a non-grain-oriented higher-strength electrical strip and use thereof
03/21/2013WO2013037485A1 High strength hot dip galvanised steel strip
03/21/2013WO2013037116A1 Alloy steel for casting crawler plate, crawler plate and manufacturing method thereof and engineering machinery
03/21/2013US20130071627 Hot isostatic pressing
03/21/2013US20130069015 Electrode for electric-discharge surface treatment and electric-discharge surface treatment coating
03/21/2013US20130068449 Laser cladding fe-cr alloy on downhole tools
03/21/2013DE112006003169B4 Stahlbleche zum Warmpressformen mit ausgezeichneten Wärmebehandlungs- und Schlageigenschaften, daraus hergestellte Warmpressteile und Verfahren zu deren Herstellung Steel sheets for hot press forming with excellent heat treatment and impact properties produced therefrom Warmpressteile and process for their preparation
03/21/2013DE102011082905A1 Component e.g. bearing ring, is useful in rolling bearing e.g. spindle bearing, where component is formed from steel, which comprises carbon, nitrogen, chromium, molybdenum and vanadium and is prepared by powder metallurgical process
03/21/2013DE102011010316B4 Austenitischer Stahl mit hoher Beständigkeit gegenüber wasserstoffinduzierter Versprödung Austenitic steel with high resistance to hydrogen-induced embrittlement
03/21/2013DE102005061946B4 Einsatzgehärteter Stahl mit hervorragender Zahnoberflächendauerfestigkeit, diesen verwendendes Zahnrad, und Verfahren zur Herstellung desselben Of the same hardened steel with excellent tooth surface fatigue strength, this gear-use, and methods for preparing
03/21/2013CA2848161A1 High strength hot dip galvanised steel strip
03/20/2013EP2570508A1 A roll for hot rolling
03/20/2013EP2570507A1 A method for producing high speed steel
03/20/2013EP2570504A1 Method for manufacturing raw material for rotary machine part, method for manufacturing rotary machine part, raw material for rotary machine part, rotary machine part, and centrifugal compressor
03/20/2013EP2569458A1 Steel side shaft produced by rotary swaging
03/20/2013CN102986066A Copper-clad steel foil, anode collector, method for producing same, and battery
03/20/2013CN102985783A Heat transfer tube for steam generator and method for producing same
03/20/2013CN102985579A Low-nickel austenitic stainless steel and use of the steel
03/20/2013CN102985578A Higher-strength, cold-formable steel and steel sheet product consisting of such a steel
03/20/2013CN102985577A Steel having excellent machinability for mechanical structure
03/20/2013CN102985576A Ni-containing steel sheet and process for producing same
03/20/2013CN102985575A Steel for steel pipe having excellent sulfide stress cracking resistance
03/20/2013CN102985574A Steel rail and production method thereof
03/20/2013CN102985571A Method for producing ultra high strength member and use of ultra high strength member
03/20/2013CN102985569A Mechanical part made of steel having high properties and process for manufacturing same
03/20/2013CN102982956A High magnetic permeability and low loss metal soft magnetic material powder and preparation method thereof
03/20/2013CN102982955A Iron-silicon soft magnetic alloy power and manufacturing method thereof
03/20/2013CN102982943A Fluorine-containing magnetic material
03/20/2013CN102982942A Fluorinated magnetic material
03/20/2013CN102982941A Wear-resisting neodymium-iron-boron permanent magnet material
03/20/2013CN102982940A Neodymium-iron-boron permanent magnet material
03/20/2013CN102982938A Wear-resisting neodymium-iron-boron permanent magnet material and preparation method thereof
03/20/2013CN102982937A Preparation method of wear-resisting neodymium-iron-boron permanent magnet material
03/20/2013CN102982936A Manufacture method for dispense process of sintering Nd-Fe-B serial magnet
03/20/2013CN102982934A Magnetic material for replacing heavy rare earth elements
03/20/2013CN102979956A Warm forging forming method of throttle valve stem
03/20/2013CN102979938A Casting method of valve body of check valve
03/20/2013CN102979729A Pump structure of cam rotor pump
03/20/2013CN102978608A Quick manufacturing method of anti-corrosion compound pipeline
03/20/2013CN102978539A Burdening and preparation method for columnar crystal alnico permanent magnet alloy
03/20/2013CN102978538A Smelting process for production of grade II hot-rolled reinforced bar
03/20/2013CN102978537A Wear-resistant cast steel
03/20/2013CN102978536A High-vanadium high-speed steel
03/20/2013CN102978535A Novel martensite antibacterial stainless steel as well as heat treatment method and application thereof
03/20/2013CN102978534A Method for manufacturing high strength and high toughness alloy steel
03/20/2013CN102978533A High-strength and high-toughness alloy steel
03/20/2013CN102978532A Steel for axle of railway and manufacture method thereof
03/20/2013CN102978531A Excavator bucket tooth and preparation method thereof
03/20/2013CN102978530A Multi-element alloy wear-resistant steel
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