Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
11/2010
11/17/2010CN101886222A Method for manufacturing high-strength X90 steel grade spiral submerged arc welded pipe
11/17/2010CN101886221A Micro-alloy ultra-fine grained hot rolled steel plate and production method thereof
11/17/2010CN101886220A Hot continuous rolling steel plate for cold forming and production method thereof
11/17/2010CN101886219A Particle-reinforced antiwear steel composite material and preparation method thereof
11/17/2010CN101886218A Steel making method of J55-grade 37Mn5 oil casing pipe
11/17/2010CN101886217A Medium-strength packaging steel strip and production method thereof
11/17/2010CN101886216A Preparation method of Fe-6.5% Si alloy magnetic powder core with small amount of P
11/17/2010CN101886215A Short-flow high-efficiency preparation method of thin high-silicon electrical steel strip
11/17/2010CN101886214A Electromagnetic wave absorbing material
11/17/2010CN101886213A Ultra-disperse structure complex phase alloy steel and preparation method thereof
11/17/2010CN101886204A Manufacture method of multi-element alloying heat and wear resisting high-chromium steel casting
11/17/2010CN101886192A Method for preparing high-performance iron nickel magnetically soft alloy by using powder metallurgy process
11/17/2010CN101886171A Method for enriching nickel by pre-reducing carbon-contained pellets of laterite nickel ore
11/17/2010CN101884945A Hammer head for crusher and processing method thereof
11/17/2010CN101413091B Novel easy-to-cut stainless steel 303B and manufacturing method thereof
11/17/2010CN101368251B Steel plate for large-thickness hydrogen-contacting equipment and its production technology
11/17/2010CN101333631B Austenitic stainless steel clad tube and technique of preparing the same
11/17/2010CN101316674B Process for producing rare-earth permanent magnet material
11/17/2010CN101285154B Iron-chromium-cobalt permanent magnetic alloy compounding vanadium and tungsten and deformation processing technology thereof
11/17/2010CN101186992B Nitrizing quenching product and its preparation method
11/17/2010CN101146917B Method of manufacturing martensitic stainless steel
11/17/2010CN101121992B Method for producing strong annealed steel hot-rolled sheet coil
11/17/2010CN101096789B Fabrication technology of yarn making piece
11/17/2010CN101090987B High-strength four-phase steel alloys
11/16/2010US7833363 Steel containing C 0.1% to 0.5%; Si + Al 0.5% to 3%; Mn 0.5% to 3%; P 0.15% or less; S 0.02% or less; superior in elongation and also in the balance of strength and reduction of area even if the working ratio is set high; single heat treatment, forging, tempering, quenching
11/16/2010CA2552963C Hot dip galvanized high strength steel sheet excellent in plating adhesion and hole expandability and method of production of same
11/16/2010CA2502206C Stainless steel for high pressure hydrogen gas, vessel and equipment comprising the steel
11/16/2010CA2409896C Austenitic alloy
11/11/2010WO2010128545A1 High‑strength stainless steel pipe
11/11/2010US20100284849 Austenitic cast iron and manufacturing process for the same, austenitic-cast-iron cast product and component part for exhaust system
11/11/2010US20100282376 Ultra soft high carbon hot rolled steel sheet and method for manufacturing same
11/11/2010US20100282374 Galvanized or galvannealed silicon steel
11/11/2010US20100282372 High-strength stainless steel material and production process of the same
11/10/2010EP2248925A1 Steel for machine structural use with excellent machinability
11/10/2010EP2248919A1 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 the same
11/10/2010EP2248918A1 Austenitic stainless steel and process for hydrogen removal thereof
11/10/2010EP2248617A2 Iron powder coated with Mg-containing oxide film
11/10/2010EP2247833A1 A movable wall member in form of an exhaust valve spindle or a piston for an internal combustion engine, and a method of manufacturing such a member
11/10/2010EP2247764A1 Rail steel with an excellent combination of wear properties and rolling contact fatigue resistance
11/10/2010EP2247761A1 Method of making a high strength, high toughness, fatigue resistant, precipitation hardenable stainless steel
11/10/2010CN101883875A High-strength steel sheet with excellent low temperature toughness and manufacturing method thereof
11/10/2010CN101883874A High-strength untempered steel for fracture splitting and steel component for fracture splitting
11/10/2010CN101883873A Steel for fracture split connecting rods
11/10/2010CN101880858A Ferrocobalt magnetic sputtering target with high magnetic flux and manufacture method thereof
11/10/2010CN101880839A Process for producing wear-resistance high-manganese steel through suspension casting
11/10/2010CN101880838A Steel and car coupler made of steel
11/10/2010CN101880837A Method for preparing steel
11/10/2010CN101880836A Boron-containing die steel and heat treatment method thereof
11/10/2010CN101880835A Seawater corrosion resistant ultra-low carbon bainite steel and preparation method thereof
11/10/2010CN101880834A Cold roll with high abrasive resistance and high roughness retaining capability and manufacturing method thereof
11/10/2010CN101880833A Stainless bearing steel adopting microalloying of rare earth and applicable to manufacturing miniature and small-size bearings and manufacturing method thereof
11/10/2010CN101880832A Low-cost high-strength prepainted steel sheet and manufacture method thereof
11/10/2010CN101880831A High-strength-and-toughness low alloy wear resistant steel and manufacturing method thereof
11/10/2010CN101880830A Steel with Brinell hardness of 430-470 for cutting edge and production method thereof
11/10/2010CN101880829A Novel magnesium alloy hot die steel
11/10/2010CN101880828A Preparation method of low-alloy manganese martensite wear resistant cast steel
11/10/2010CN101880827A IF steel with delta r less than or equal to 0.3 and production method thereof
11/10/2010CN101880826A Non-hardened bainite cold heading steel for fastener and manufacturing method thereof
11/10/2010CN101880825A Ultrafine grained hot rolled dual-phase steel with tensile strength of above 750MPa and manufacturing method of plate thereof
11/10/2010CN101880824A Q345q-series super-thick bridge steel plate and production method thereof
11/10/2010CN101880823A Hot rolled niobium micro-alloyed multi-phase steel and preparation method thereof
11/10/2010CN101880822A Hot rolled high-ductility carbon steel for passenger traffic steel rails
11/10/2010CN101880821A Steel-aluminum compound hot rolled steel with tensile strength of 280MPa and production method thereof
11/10/2010CN101880820A Steel-aluminum compound hot rolled steel with tensile strength of 310MPa and production method thereof
11/10/2010CN101880819A Steel-aluminum compound hot rolled steel with tensile strength of 340MPa and production method thereof
11/10/2010CN101880818A Preparation method of X80 bent pipe and steel for pipe fittings
11/10/2010CN101880817A Electromagnetic wave absorbing material formed by planar 2:17 rare earth-3d transition intermetallic compounds
11/10/2010CN101465406B High-performance polycrystal texture Fe-Ga-based magnetic deformation slice material and preparation method thereof
11/10/2010CN101445890B Novel high-strength and low-magnetic steel
11/10/2010CN101400814B Low-carbon resulfurized free-cutting steel material
11/10/2010CN101381843B 5Cr5MoWSiV cold roller heat treatment method
11/10/2010CN101338402B Method for manufacturing copper-containing ferrite antimicrobial stainless steel belt
11/10/2010CN101311292B Novel anti-scaffolding heat-resisting alloy, hearth roll of stainless steel normalizing furnace and production process thereof
11/10/2010CN101270454B Turbine casing
11/10/2010CN101258259B A maraging steel article and method of manufacture
11/10/2010CN101215677B Resource-saving high-nitrogen super diphase stainless steel alloy material and preparation method thereof
11/10/2010CN101033536B Carburized machine parts
11/09/2010US7829202 Large-heat-input butt welded joints having excellent brittle fracture resistance
11/09/2010US7828912 High-strength hot-rolled steel shaft excellent in hole expandability and ductility and production method thereof
11/09/2010CA2559587C Hot dip galvanized composite high strength steel sheet excellent in shapeability and hole enlargement ability and method of production of same
11/04/2010WO2010126268A2 High manganese nitrogen-containing steel sheet having high strength and high ductility, and method for manufacturing same
11/04/2010WO2010126161A1 High-strength hot-dip zinc-coated steel sheet having excellent workability, weldability and fatigue properties, and process for production thereof
11/04/2010WO2010125848A1 Cold-rolled steel sheet with excellent formability, shape retentivity, and surface appearance and process for producing same
11/04/2010WO2010125841A1 Ferritic heat-resistant cast steel and exhaust system component
11/04/2010US20100278684 Process for manufacturing stainless steel containing fine carbonitrides, and product obtained from this process
11/04/2010US20100278681 Low alloyed steel powder
11/04/2010US20100276955 Treatment of railway wheels
11/04/2010US20100276038 Martensitic stainless steel, method for making parts from said steel and parts thus made
11/04/2010CA2759913A1 High strength galvanized steel sheet having excellent formability, weldability, and fatigue properties and method for manufacturing the same
11/03/2010EP2246456A1 High-strength steel sheet and process for production thereof
11/03/2010EP2246455A1 High-purity ferritic stainless steel excellent in corrosion resistance and workability and process for production of the same
11/03/2010EP2246454A1 Carburization-resistant metal material
11/03/2010EP2246453A1 Ferrite-austenite stainless steel sheet for structural members excellent in workability and impact absorption characteristics and process for the production of the sheet
11/03/2010EP2246452A1 Alloy to be surface-coated and sliding members
11/03/2010EP2246451A1 Hot-forging microalloyed steel and hot-rolled steel material each having excellent fracture splittability and machinability, and hot-forging microalloyed steel part
11/03/2010EP2246450A1 Steel sheets and process for manufacturing the same
11/03/2010EP2245296A1 Structural part, especially motor vehicle component, made of a dual-phase steel
11/03/2010EP2245203A1 Austenitic stainless steel sheet and method for making said sheet
11/03/2010EP2245202A1 Austenitic stainless steel low in nickel containing stabilizing elements
11/03/2010EP2245201A1 High-strength, low-alloy steel for seamless pipes with outstanding weldability and corrosion resistance