Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
03/2014
03/12/2014CN103627853A Method for manufacturing low-carbon and low-silicon steel
03/12/2014CN103627847A Lanthanum-cerium mixed rare earth ferroalloy for rare earth steel production
03/12/2014CN103627238A Fastener and fastener coating thickness detection method
03/12/2014CN103624492A Processing technology for improving mechanical property of floating oil seal
03/12/2014CN103624486A Scroll member and manufacturing method therefor
03/12/2014CN103624084A Resource-saving type high-boron high-speed steel composite roll and manufacturing method thereof
03/12/2014CN102978355B Thermal annealing method for martensite stainless steel, and stainless steel manufactured therefrom
03/12/2014CN102839334B 600MPa-level steel for hot-rolled steel bar with ribs and smelting method thereof
03/12/2014CN102839333B Steel, oil pumping rod containing same and application of steel
03/12/2014CN102808132B Traction seat casting and processing technology
03/12/2014CN102776431B Tri-iron aluminide intermetallic compound-titanium nitride ceramic composite and method for preparing same
03/12/2014CN102770569B Gear and method for producing same
03/12/2014CN102766806B Ultrawide and ultrafine gauge structural steel plate for bridges and production method thereof
03/12/2014CN102732790B Ultra low carbon bainite steel plate and its manufacturing method
03/12/2014CN102725431B Steel plate for cold forging and process for producing same
03/12/2014CN102712983B Cold-rolled steel plate and method for producing same
03/12/2014CN102703834B Grain-refined gear steel and production process thereof
03/12/2014CN102686762B Compositions and methods for determining alloys for thermal spray, weld overlay, thermal spray post processing applications, and castings
03/12/2014CN102634726B Manufacturing method of agitating arm of agitator
03/12/2014CN102534416B Steel for freight train connecting piece and preparation method thereof
03/12/2014CN102534411B Stainless steel material for blade of electric razor
03/12/2014CN102534368B Low-alloy high-strength wide and thin steel plate
03/12/2014CN102517519B Air valve steel for internal combustion engine
03/12/2014CN102477518B Steel used for steam turbine blades and manufacturing method thereof
03/12/2014CN102453843B Ferrite heat resistant steel
03/12/2014CN102409268B Steel for automobile synchronizer and preparation method thereof
03/12/2014CN102409229B N80Q grade straight seam ERW (Electric Resistance Welding) petroleum casing and manufacturing method thereof
03/12/2014CN102400055B High-strength high-toughness steel plate with low cost and controllable tensile ratio, and manufacturing method thereof
03/12/2014CN102400053B Steel plate for building structure with yield strength of 460 MPa, and manufacturing method thereof
03/12/2014CN102400049B 490-grade fireproof steel plate for building structure and manufacturing method thereof
03/12/2014CN102400040B Production method of low-carbon bainite steel hot-rolled strip used in low-temperature
03/12/2014CN102378824B High-strength hot-dip galvanized steel plate and method for producing same
03/12/2014CN102348826B Non-oriented magnetic steel sheet and method for producing same
03/12/2014CN102282283B Nitratable piston rings
03/12/2014CN102239593B Sheet stainless steel for separators in solid polymer fuel cells, and solid polymer fuel cells using same
03/12/2014CN102021498B Low-alloy sulfuric acid-resistant dew point corrosion steel plate and production method thereof
03/12/2014CN101921970B High corrosion-resistant, high-strength and non-magnetic stainless steel, high corrosion-resistant, high-strength and non-magnetic stainless steel product and method for producing same
03/11/2014US8669491 Hard-facing alloys having improved crack resistance
03/11/2014US8668784 Steel for welded structure and producing method thereof
03/11/2014US8668783 Steel wire rod having excellent drawability and fatigue properties, and manufacturing method of the same
03/11/2014CA2690637C Iron-nickel-chromium-silicon alloy
03/06/2014WO2014036091A1 Ferritic stainless steel with excellent oxidation resistance, good high temperature strength, and good formability
03/06/2014WO2014034931A1 Rapidly heating device of continuous annealing equipment
03/06/2014WO2014034854A1 Production method for rare earth permanent magnet
03/06/2014WO2014034851A1 Production method for rare earth permanent magnet
03/06/2014WO2014034849A1 Production method for rare earth permanent magnet
03/06/2014WO2014034766A1 Hair spring material for mechanical clock and hair spring using same
03/06/2014WO2014034737A1 Seamless steel pipe and method for producing same
03/06/2014WO2014034714A1 Steel plate
03/06/2014WO2014034650A1 Ndfeb-based sintered magnet
03/06/2014WO2014034522A1 Duplex stainless steel tube and method for producing same
03/06/2014WO2014034152A1 Ferrite-based stainless steel
03/06/2014WO2014034150A1 Carburized component
03/06/2014WO2014034128A1 Oriented electromagnetic steel sheet for iron core and method for manufacturing same
03/06/2014WO2014034070A1 Steel for reinforcing bars, and reinforcing bar
03/06/2014WO2014033372A1 Ferritic stainless steel sheet, method for the production thereof, and use of same, especially in exhaust lines
03/06/2014WO2014032216A1 High magnetic induction oriented silicon steel and manufacturing method thereof
03/06/2014WO2013051270A8 Annealing separator for grain oriented electrical steel sheet
03/06/2014US20140065316 Compositions and methods for determining alloys for thermal spray, weld overlay, thermal spray post processing applications, and castings
03/06/2014US20140065008 Steel for welded structure and producing method thereof
03/06/2014US20140065007 Hot press-formed product, process for producing same, and thin steel sheet for hot press forming
03/06/2014US20140065006 Ferritic Stainless Steel with Excellent Oxidation Resistance, Good High Temperature Strength, and Good Formability
03/06/2014US20140065005 Ferritic Stainless Steel with Excellent Oxidation Resistance, Good High Temperature Strength, and Good Formability
03/06/2014US20140060708 High Elastic Modulus Shafts and Method of Manufacture
03/05/2014EP2704160A1 Magnetic material and coil component using same
03/05/2014EP2703514A1 Fe-BASED METAL PLATE AND METHOD FOR MANUFACTURING SAME
03/05/2014EP2703513A1 Hot press molded article, fabrication method therefor, and thin steel plate for hot press molding
03/05/2014EP2703512A1 High-strength steel plate with excellent formability and stability of material properties, and method for manufacturing same
03/05/2014EP2703511A1 Steel sheet for hot stamping members and method for producing same
03/05/2014EP2703510A1 Particle-reinforced steel with improved E-modulus and method for producing said steel
03/05/2014EP2703509A1 TiC- and TiB2-Particles reinforced high strength and low density steel with improved E-modulus and method for producing said steel
03/05/2014EP2703106A1 boring tool
03/05/2014EP2703097A1 Process for manufacturing seamless steel pipe
03/05/2014EP2702178A1 A steel strip composite and a method of making the same
03/05/2014CN203463805U Large-caliber stainless steel thin-walled tube
03/05/2014CN103620707A Rare earth sintered magnet, method for manufacturing rare earth sintered magnet and rotary machine
03/05/2014CN103620275A Pressure ring and fabrication method therefor
03/05/2014CN103620078A Austenitic stainless steel pipe
03/05/2014CN103620077A Carburization-resistant metal material
03/05/2014CN103620076A Method for producing austenitic stainless steel and austenitic stainless steel material
03/05/2014CN103620075A Hot press molded article, method for producing same, and thin steel sheet for hot press molding
03/05/2014CN103620072A Use of a hot gas corrosion-resistant ductile alloy
03/05/2014CN103620063A Steel sheet with high mechanical strength, ductility and formability properties, production method and use of such sheets
03/05/2014CN103617856A Neodymium iron boron magnetic material strong in corrosion resistance
03/05/2014CN103617855A Neodymium iron boron magnetic material with excellent magnetic performance
03/05/2014CN103614731A Composite roller repairing method using laser rapid prototyping
03/05/2014CN103614668A Heat-resistant steel for automobile exhaust pipe
03/05/2014CN103614667A Production method of alloy steel roller
03/05/2014CN103614666A High-hardness and low-carbon steel material for pump valve and preparation method of high-hardness and low-carbon steel material
03/05/2014CN103614665A Antimony-containing highly-wear-resistant alloy steel material used for pump valves and preparation method of the alloy steel material
03/05/2014CN103614664A A martensite alloy steel material used for an air valve of an internal combustion engine and a preparation method of the alloy steel material
03/05/2014CN103614663A Wear-resistant alloy and application thereof
03/05/2014CN103614662A Preparation method of austenite actual grain size detection sample of wear-resistant steel
03/05/2014CN103614661A Novel wear-resistant bucket tooth and production method thereof
03/05/2014CN103614660A High-yield-strength alloy steel material used for pump valves and preparation method of the alloy steel material
03/05/2014CN103614659A An austenite alloy steel material used for an internal combustion engine and a preparation method of the alloy steel material
03/05/2014CN103614658A High-strength wear-resistant low-carbon steel material and preparation method thereof
03/05/2014CN103614657A Manufacturing method for high-nichrome semisteel rolls
03/05/2014CN103614656A High-vanadium alloy steel material used for bearings and preparation method thereof
03/05/2014CN103614655A A wear-resistant impact-resistant alloy steel material used for surface hardening and a preparation method of the alloy steel material
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