Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
01/2012
01/11/2012CN102312174A Non-tempered high-strength wear-resisting steel and production method thereof
01/11/2012CN102312173A 700MPa-tensile strength steel for large heat input welding structure and manufacturing method thereof
01/11/2012CN102312172A B3R hot work die steel with high strength and toughness and resistance to tempering, and preparation process thereof
01/11/2012CN102312171A Austenitic stainless steel containing rare-earth element
01/11/2012CN102312170A Martensite wear-resistant cast steel
01/11/2012CN102312169A High-strength, low-alloy and high-carbon steel wire rod and production method thereof
01/11/2012CN102312168A Prehardening plastic die steel plate and manufacture method thereof
01/11/2012CN102312167A High-strength hot rolled steel plate for counter enameling and manufacturing method thereof
01/11/2012CN102312166A Stanniferous ferrite stainless steel and smelting method therefor
01/11/2012CN102312165A Stainless steel plate for fuel tank of automobile and manufacturing method thereof
01/11/2012CN102312164A Steel for Cr-contained high-performance pipe fittings for oil and gas transmission and production method thereof
01/11/2012CN102312163A Steel for mandrel pipe mill mandril and preparation technology thereof
01/11/2012CN102312162A Refined martensitic alloy for internal combustion engine valves and production technology thereof
01/11/2012CN102312161A Manufacturing method of seamless steel tube
01/11/2012CN102312160A 12Cr2Mo1R steel plate for ultra-thick hydrogen-contacting equipment and production method thereof
01/11/2012CN102312159A Heat treatment process of martensite wear-resistant cast steel
01/11/2012CN102312158A Nb, Ti alloyed low-carbon high-intensity high-plasticity TWIP steel and preparation method thereof
01/11/2012CN102312157A Cold-rolled TRIP steel at over 1000 MPa and preparation method thereof
01/11/2012CN102312156A Guaranteed performance and low alloy Q345E+B steel plate of less than 60mm and production process thereof
01/11/2012CN102312155A Hot rolling pickle sheet with high yield ratio
01/11/2012CN102312152A Production method of steel containing boron
01/11/2012CN102312151A Method for alloying molten steel and germanium
01/11/2012CN102312035A Smelting method for producing high strength weathering steel by use of chromium-nickel pig iron
01/11/2012CN102310254A Fillet weld joint and method for gas shielded arc welding
01/11/2012CN101942978B Preparation method of continuous expansion pipe with high strength and high plastic elasticity
01/11/2012CN101906583B Heat resistance fiber material of catalyst carrier for purifying automobile exhaust and manufacturing method thereof
01/11/2012CN101864538B Nickel-free weather-resistant steel and method for preparing hot rolled plate thereof
01/11/2012CN101845589B Steel plate with very low yield point and manufacturing method thereof
01/11/2012CN101824525B Production method of hot milling steel plate
01/11/2012CN101787887B Pick having bimetal structure and preparation method thereof
01/11/2012CN101778956B Process for the production of a grain oriented magnetic strip
01/11/2012CN101775541B Quake-proof construction steel with yield strength of 160MPa and production method thereof
01/11/2012CN101765671B Ferritic-austenitic stainless steel excellent in corrosion resistance and workability and process for manufacturing the same
01/11/2012CN101704034B Method for producing wire and bar materials
01/11/2012CN101668872B Martensitic creep resistant steel strengthened by z-phase
01/11/2012CN101624682B Ultra-high strength high-ductility steel and manufacturing method thereof
01/11/2012CN101538686B Martensite precipitation hardening stainless steel for structural member and manufacturing method thereof
01/11/2012CN101528969B Method for manufacturing flat steel products from a steel forming a microduplex structure
01/11/2012CN101395293B Surface-treated stainless-steel sheet excellent in salt damage/corrosion resistance and weld reliability for automotive fuel tank and for automotive fuel pipe and surface-treated stainless-steel welded pipe with excellent suitability for pipe expansion processing for automotive petrol pipe
01/11/2012CN101180411B Grain oriented electromagnetic steel sheet having excellent film adhesion and process for producing the same
01/10/2012US8092620 High strength austenitic TRIP steel
01/10/2012US8092616 Method for producing a giant magnetostrictive alloy
01/10/2012CA2566736C A high strength steel excellent in uniform elongation properties and method of manufacturing the same
01/05/2012WO2012002869A1 Flash-butt welded bearing component
01/05/2012WO2012002638A2 Ultra-high-strength steel bar and method for manufacturing same
01/05/2012WO2012002567A1 Abrasion-resistant steel plate or sheet with excellent weld toughness and delayed fracture resistance
01/05/2012WO2012002566A1 High-strength steel sheet with excellent processability and process for producing same
01/05/2012WO2012002565A1 High-strength hot-dip galvanized steel sheet with excellent processability and process for producing same
01/05/2012WO2012002563A1 Wear-resistant steel sheet having excellent welded part toughness and lagging destruction resistance properties
01/05/2012WO2012002531A1 Method for producing alloy cast slab for rare earth sintered magnet
01/05/2012WO2012002520A1 Ultrahigh-strength cold-rolled steel sheet with excellent ductility and delayed-fracture resistance, and process for producing same
01/05/2012WO2012002481A1 Hot-rolled steel sheet and method for producing same
01/05/2012WO2012002412A1 Method of producing surface-modified rare earth sintered magnet
01/05/2012WO2012002208A1 Precipitation-hardened stainless steel and process for production thereof
01/05/2012WO2012002060A1 R-t-b based rare earth permanent magnet, motor, automobile, power generator and wind energy conversion system
01/05/2012WO2012002059A1 R-t-b type rare earth permanent magnet, motor, automobile, power generator, and wind power generation system
01/05/2012WO2012001971A1 Process for producing grain-oriented magnetic steel sheet
01/05/2012WO2012001965A1 Core-loss improving device and core-loss improving method for grain-oriented magnetic steel sheet
01/05/2012WO2012001957A1 Oriented magnetic steel sheet and production method thereof
01/05/2012WO2012001953A1 Grain-oriented electromagnetic steel sheet and manufacturing method for same
01/05/2012WO2012001952A1 Oriented electromagnetic steel plate and production method for same
01/05/2012WO2012001943A1 Composite magnetic material and process for production thereof
01/05/2012WO2012001882A1 Heat transfer tube for steam generator and method for producing same
01/05/2012WO2012001163A2 Higher-strength, cold-formable steel and steel sheet product consisting of such a steel
01/05/2012WO2012000638A1 Chromium-nickel steel, martensitic wire and method for producing same
01/05/2012WO2012000071A1 A cold-rolled annealed steel plate with twip effect and process for producing same
01/05/2012US20120004718 Platinum Enhanced Alloy and Intravascular or Implantable Medical Devices Manufactured Therefrom
01/05/2012US20120003117 Process for manufacturing steel blanks
01/05/2012US20120003116 Austenitic stainless steel
01/05/2012US20120001711 Permanent magnet with low or no dysprosium for high temperature performance
01/05/2012US20120000580 Corrosion-Resistant Austenitic Steel
01/05/2012US20120000336 Steel Alloy
01/05/2012CA2802171A1 Heat transfer tube for steam generator and method for producing the same
01/05/2012CA2802129A1 Higher-strength, cold-formable steel and flat steel product made from such steel
01/05/2012CA2801708A1 Abrasion resistant steel plate which exhibits excellent weld toughness and excellent delayed fracture resistance
01/05/2012CA2801703A1 Abrasion resistant steel plate which exhibits excellent weld toughness and excellent delayed fracture resistance
01/04/2012EP2402472A1 High-tensile, cold formable steel and flat steel product composed of such steel
01/04/2012EP2402471A1 HIGH-Mn AUSTENITE STAINLESS STEEL AND METAL PART FOR CLOTHING
01/04/2012EP2402470A1 High-strength hot-dip galvanized steel plate of excellent workability and manufacturing method therefor
01/04/2012EP2402469A1 Hydrogen fatigue resistant ferrite steel and manufacturing method thereof
01/04/2012EP2402466A1 Manufacturing method and heat-treatment device for high-strength, highly-tough thin steel
01/04/2012EP2401533A1 Steel material composition for producing piston rings and cylinder liners
01/04/2012EP2401532A1 Steel material composition for producing piston rings and cylinder sleeves
01/04/2012EP2401531A1 Steel material composition for producing piston rings and cylinder sleeves
01/04/2012EP2401530A1 Steel material composition for producing piston rings and cylinder sleeves
01/04/2012EP2401413A2 Micro-alloyed carbon steel as a texture-rolled steel strip, in particular for spring elements
01/04/2012EP2036994B1 Cr-CONTAINING STEEL EXCELLENT IN THERMAL FATIGUE CHARACTERISTICS
01/04/2012EP1852199B1 Mg-CONTAINING OXIDE COATED IRON POWDER
01/04/2012CN102308015A Method for manufacturing metal pipe
01/04/2012CN102308014A Steel alloy
01/04/2012CN102308013A High-strength steel tube for low-temperature use with superior buckling resistance and toughness in weld heat-affected areas, and manufacturing method for same
01/04/2012CN102308012A Ferritic stainless steel with low black spot generation
01/04/2012CN102304675A Preparation method of corrosion resisting steel pipe
01/04/2012CN102304674A Austenitic stainless steel wire rod for welding
01/04/2012CN102304673A Alloy steel used for casting track plate, track plate and preparation method and construction machinery of track plate
01/04/2012CN102304672A Low and medium alloy wear resistant steel and preparation method thereof
01/04/2012CN102304671A Multi-element low alloy wear resistant cast steel bucket teeth and preparation method thereof
01/04/2012CN102304670A Steel plate with -40 DEG C strain aging and high toughness and production method thereof
01/04/2012CN102304669A Iron-based nanocrystalline soft magnetic alloy with high saturation magnetic induction and low cost
01/04/2012CN102304668A Preparation method of high performance ultra-thick steel plate