Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
06/2014
06/11/2014CN102710039B Automobile starting motor rotor and method for producing same
06/11/2014CN102644031B Hot rolling container steel without punctiform surface defect and manufacturing method thereof
06/11/2014CN102361999B Ferritic stainless steel plate having excellent heat resistance and excellent workability
06/11/2014CN102242314B Multiple alloy toughened and wear-resistant middle-manganese steel and preparation technology thereof
06/11/2014CN102206787B Low-roll-force gas-transmission pipeline steel and production method thereof
06/11/2014CN102203312B Steel sheet, hot-dip zinc-coated steel sheet and processes for production of same
06/11/2014CN102137948B Steel alloy for ferritic steel having excellent creep strength and oxidation resistance at elevated usage temperatures
06/10/2014USRE44940 Coated hot- and cold-rolled steel sheet comprising a very high resistance after thermal treatment
06/10/2014US8747733 Precipitation hardenable martensitic stainless steel and steam turbine blade using the same
06/10/2014US8747578 Steel for structural part of automobile and method for producing the same
06/10/2014US8747577 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
06/10/2014US8747576 Pearlite-based high carbon steel rail having excellent ductility and process for production thereof
06/10/2014US8747575 655 MPa grade martensitic stainless steel having high toughness and method for manufacturing the same
06/10/2014US8747574 Maraging steel strip
06/10/2014US8746164 Protective coatings and methods of forming same
06/10/2014CA2785318C Austenite steel material having superior ductility
06/10/2014CA2712096C High strength galvanized steel sheet excellent in formability and method for manufacturing the same
06/10/2014CA2674197C Steel plate superior in ctod properties of weld heat-affected zone and method of production of same
06/10/2014CA2624390C Cold-rolled steel sheet excellent in paint bake hardenability and ordinary-temperature non-aging property and method of producing the same
06/05/2014WO2014083009A1 Welding material for weld cladding
06/05/2014WO2014082945A1 Metal material
06/05/2014WO2013099235A8 High-strength steel sheet and method for manufacturing same
06/05/2014WO2013099160A8 Grain-oriented electrical steel sheet
06/05/2014WO2013094218A8 Grain-oriented electrical steel sheet and method for producing same
06/05/2014US20140154129 Stainless steel for fuel cell separator
06/05/2014US20140154128 Heat-resistant austenitic stainless steel having excellent cyclic oxidation resistance
06/05/2014US20140150934 Wire rod having superior hydrogen delayed fracture resistance, method for manufacturing same, high strength bolt using same and method for manufacturing bolt
06/05/2014US20140150930 Hot press forming steel plate, formed member using same, and method for manufacturing the plate and member
06/05/2014US20140150734 Austenitic stainless steel tube
06/05/2014US20140150249 Cold rolled motor lamination electrical steels with reduced aging and improved electrical properties
06/05/2014DE112006000279B4 Verwendung einer gas absorbierenden substanz und einer gas absorbierenden legierung Using a gas-absorbing substance and a gas-absorbing alloy
06/05/2014DE102013112457A1 Hot work tool steel with increased efficiency, useful for manufacturing forging tools, comprises manganese, silicon, molybdenum, vanadium, tungsten, chromium, carbon, phosphorus, sulfur and iron
06/05/2014DE102012023394A1 Iron-based alloy useful for manufacturing component, preferably e.g. linear component, planar component, electrically switchable injection valve for non-corrosive fuel, pole tube, and magnetic gear, comprises carbon, manganese and copper
06/04/2014EP2738283A1 Alloyed hot-dip zinc coat layer, steel sheet having same, and method for producing same
06/04/2014EP2738281A1 Method for producing high si-content austenitic stainless steel
06/04/2014EP2738280A1 High-strength galvanized steel sheet having superior bendability and method for producing same
06/04/2014EP2738279A1 Stainless steel for fuel cell separator
06/04/2014EP2738278A1 High-strength steel sheet having excellent shape-retaining properties, high-strength zinc-plated steel sheet, and method for manufacturing same
06/04/2014EP2738277A1 Stainless steel for fuel cell separator
06/04/2014EP2738276A1 High-strength zinc-plated steel sheet and high-strength steel sheet having superior moldability, and method for producing each
06/04/2014EP2738275A1 High-strength zinc-plated steel sheet and high-strength steel sheet having superior moldability, and method for producing each
06/04/2014EP2738274A1 High-strength cold-rolled steel sheet with excellent stretch flangeability and precision punchability, and process for producing same
06/04/2014EP2737972A1 Welding material for weld cladding
06/04/2014EP2737961A1 Method for producing austenitic stainless steel
06/04/2014EP2737098A1 Component and method for producing the component
06/04/2014EP2737097A1 Steel, component and method for producing steel
06/04/2014EP2737095A1 Method for applying a protective layer for protecting against impact stresses
06/04/2014EP2736672A1 Hot-formed previously welded steel part with very high mechanical resistance, and production method
06/04/2014CN103843082A Permanent magnet and production method for permanent magnet
06/04/2014CN103843081A Rare earth permanent magnet and production method for rare earth permanent magnet
06/04/2014CN103842547A Method for producing high Si-content austenitic stainless steel
06/04/2014CN103842546A Steel wire for bolt, bolt, and manufacturing processes therefor
06/04/2014CN103842545A High strength steel plate and manufacturing method thereof
06/04/2014CN103842544A Non-oriented electromagnetic steel sheet and method for producing same
06/04/2014CN103842543A High-strength hot-dip galvanized steel sheet having excellent delayed fracture resistance, and method for producing same
06/04/2014CN103842542A High-strength hot-dip galvanized steel plate having excellent impact resistance and method for producing same, and high-strength alloyed hot-dip galvanized steel sheet and method for producing same
06/04/2014CN103842541A High-strength galvannealed steel sheet of high bake hardenability, high-strength alloyed galvannealed steel sheet, and method for manufacturing same
06/04/2014CN103842540A Hot-dip galvanized steel sheet and method for producing same
06/04/2014CN103842539A Hot-rolled steel sheet and method for producing same
06/04/2014CN103842538A Hot-rolled steel sheet and method for producing same
06/04/2014CN103842537A Heat-resistant iron-chromium-aluminium alloy with low chromium vaporization rate and elevated thermal stability
06/04/2014CN103842527A Preparation method of steel product having different strengths using laser heat treatment, and heat hardened steel used therein
06/04/2014CN103842112A Alloy flakes as starting material for rare earth sintered magnet and method for producing same
06/04/2014CN103842104A Method for joining sheet bar during continuous hot rolling
06/04/2014CN103839645A Neu flux core material with permeability being 50 and preparing method thereof
06/04/2014CN103839643A Neu flux core material with permeability being 26 and preparing method thereof
06/04/2014CN103839642A Neu flux core material with permeability being 75 and preparing method thereof
06/04/2014CN103839641A Mixed film coating equipment for neodymium iron boron rare-earth permanent magnet components and manufacturing method thereof
06/04/2014CN103836325A Multifunctional welding steel pipe
06/04/2014CN103834908A Production method for improving electromagnetic property of oriented silicon steel
06/04/2014CN103834877A Shoe mold cutting steel produced from thin slabs and preparation method thereof
06/04/2014CN103834876A Austenite heat-resisting cast steel exhaust manifold and casting process thereof
06/04/2014CN103834875A Anti-corrosion elastic alloy material and preparation method thereof
06/04/2014CN103834874A X65-70 subsea pipeline steel with thick wall and high DWTT (drop weight tear test) property and production method
06/04/2014CN103834873A Low-alloy high-strength steel plate for big-thickness boiler drum and manufacturing method of low-alloy high-strength steel plate
06/04/2014CN103834872A Die steel with high-wearing resistance
06/04/2014CN103834871A 500MPa-level corrosion-resistant Cr-contained reinforcing steel bar and rolling process thereof
06/04/2014CN103834870A Rare earth-containing high-strength steel plate and production technology thereof
06/04/2014CN103834869A Novel 5Cr3MnSiMo1VBN impact resistance tool steel
06/04/2014CN103834868A High-strength high-toughness H2S/CO2 corrosion resistant oil tube and preparation method thereof
06/04/2014CN103834867A High strength BA tinplate substrate and manufacturing method thereof
06/04/2014CN103834866A High-strength high-wear resistance high-temperature self-lubricating composite material and preparation method thereof
06/04/2014CN103834865A Method for forging wear-resistant and corrosion-resistant steel ball
06/04/2014CN103834864A Novel 9Cr2BAlN alloy tool steel
06/04/2014CN103834863A Method for preparing neodymium iron boron permanent magnet material by using associated mixed rare earth
06/04/2014CN103834862A Iron-cobalt alloy and preparation method of magnetizing pole head of iron-cobalt alloy
06/04/2014CN103834861A 320MPa low-temperature resistant hot-rolled H-shaped steel and preparation method thereof
06/04/2014CN103834860A 235MPa-level low temperature resisting hot-rolled H-shaped steel and preparation method thereof
06/04/2014CN103834859A High hardness high plasticity low-carbon steel material and preparation method thereof
06/04/2014CN103834858A Method for manufacturing low-iron-loss non-oriented silicon steel
06/04/2014CN103834857A Heat-resisting cast steel and application thereof
06/04/2014CN103834856A Orientation silicon steel and manufacturing method thereof
06/04/2014CN103834855A Brake magnet yoke formula for powder metallurgy and fabrication technology thereof
06/04/2014CN103834848A Steel for boron-containing prestressed steel wires and steel strands and smelting process thereof
06/04/2014CN103834847A High-density non-magnetic balance block as well as powder metallurgy preparation method and application thereof
06/04/2014CN103834771A Heat treatment method of wear-resistant cast steel
06/04/2014CN103831432A Automobile power steering pump powder metallurgy inner and outer rotor formula and preparation technology
06/04/2014CN103831379A Forging method for cold roll blank
06/04/2014CN103069021B Method for heat-treating structural material and heat-treated structural material
06/04/2014CN102899579B Large power engine crankshaft and manufacturing method
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