Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
03/2012
03/22/2012US20120067469 Very thin steel sheet and production method thereof
03/22/2012CA2811451A1 Production method of rare earth magnet
03/22/2012CA2811189A1 High-strength steel sheet and high-strength zinc-coated steel sheet which have excellent ductility and stretch-flangeability and manufacturing method thereof
03/21/2012EP2431492A2 High manganese nitrogen-containing steel sheet having high strength and high ductility, and method for manufacturing same
03/21/2012EP2431491A1 High-strength hot-rolled steel sheet and process for manufacture thereof
03/21/2012EP2431490A1 Cold-rolled steel sheet with excellent formability, shape retentivity, and surface appearance and process for producing same
03/21/2012EP2430199A1 Method for manufacturing hot rolled steel strip product, and hot rolled steel strip product
03/21/2012EP2069549B1 Steel preferably suitable for making shells of caster rolls for aluminium and its alloys and relevant heat treatment
03/21/2012EP1920078B1 Steel sheet for deep drawing having excellent secondary work embrittlement resistance, fatigue properties and plating properties, and method for manufacturing the same
03/21/2012EP1867737B1 Method for producing martensitic stainless steel
03/21/2012EP1658387B1 Process of production and production system of high strength galvannealed steel sheet
03/21/2012EP1616971B1 High strength cold rolled steel sheet and method for production thereof
03/21/2012CN102388156A Steel sheet for high-strength container and manufacturing method thereof
03/21/2012CN102383066A Abrasion resistant cast steel and preparation method thereof
03/21/2012CN102383065A High-performance valve steel and preparation method thereof
03/21/2012CN102383064A Steel material for valve and preparation method for steel material
03/21/2012CN102383063A Valve steel material and preparation method thereof
03/21/2012CN102383062A Steel material and preparation method thereof
03/21/2012CN102383061A High temperature resistance and radiation resistance valve steel and preparation method thereof
03/21/2012CN102383060A Method for manufacturing austenite stainless steel thin strip for electronic product shell
03/21/2012CN102383059A Hot rolled transformation induced plasticity (TRIP) steel and preparation method thereof
03/21/2012CN102383058A High-nitrogen low-nickel super two-phase stainless steel
03/21/2012CN102383057A Low temperature-resistant K60 pipe line steel, bent pipe made by same and manufacturing method of bent pipe
03/21/2012CN102383056A Novel iron-based self-lubricating material and preparation method thereof
03/21/2012CN102383055A Production method for reducing titanium content in high-carbon chromium bearing steel
03/21/2012CN102383054A Stainless steel thin strip for preparing mobile phone shell
03/21/2012CN102383053A New heat treatment enhancing process of heat resistant steel
03/21/2012CN102383052A High wear resistance steel for knitting needle and manufacture method thereof
03/21/2012CN102383051A High strength anti-fatigue pellet chain grate grid plate and production process thereof
03/21/2012CN102383050A Cr-Ni based high temperature-resistant oxyaustenitic heat-resistant steel bar and preparation method thereof
03/21/2012CN102383049A Method for manufacturing low-cost high-toughness X70 steel spiral submerged arc welded pipe
03/21/2012CN102383048A Hot-rolled mining resin anchor rod reinforcing steel bar and production method thereof
03/21/2012CN102383047A High-nitrogen nickel-free super two-phase stainless steel
03/21/2012CN102383046A Production method for non-oriented electrical steel used for motor
03/21/2012CN102383045A Preparation method of silicon steel for motors
03/21/2012CN102383044A Multicomponent low alloy high speed steel used for preparing roller
03/21/2012CN102383043A Steel used for bobbin case of projectile loom
03/21/2012CN102383042A Microalloy HRB400E steel bar containing chrome and nitrogen and production method thereof
03/21/2012CN102383041A High wear resistant ultra-high carbon steel and preparation method for same
03/21/2012CN102383040A Sleeve suitable for evaporite bed of oil well
03/21/2012CN102383039A Microalloy HRB500E steel bar containing chrome and nitrogen and production method thereof
03/21/2012CN102383038A Dipper teeth material and production method thereof
03/21/2012CN102383037A Preparation method of high-silicon non-oriented electrical steel for motor
03/21/2012CN102383036A Medium carbon alloy steel applicable to forging afterheat quenching
03/21/2012CN102383035A Steel for 10-ton axle shell and production method for steel
03/21/2012CN102383034A Steel for 13-dwt vehicle axle housing and production method thereof
03/21/2012CN102383033A 600-MPa grade vanadium-containing high-strength hot-rolled steel bar and production method thereof
03/21/2012CN102383032A Steel for 12-ton axle shell and production method for steel
03/21/2012CN102383031A High-strength binding band and production method thereof
03/21/2012CN102383030A Preparation process for nano strengthened wear-resistant die steel
03/21/2012CN102383022A Method for preparing high-TiC-content iron base metal ceramic material through combustion synthesis
03/21/2012CN102382961A Production method of ultra-thick steel plate with ensured transverse impact toughness
03/21/2012CN102382925A Manufacturing method of ultrapurity armco iron
03/21/2012CN102380613A Preparation method of powder-metallurgy refrigeration compressor valve sheet
03/21/2012CN102380595A Continuous casting method for easily drawable steel wires
03/21/2012CN102380579A Casting method of crushing wall or rolling mortar wall
03/21/2012CN101886221B Micro-alloy ultra-fine grained hot rolled steel plate and production method thereof
03/21/2012CN101886213B Ultra-disperse structure complex phase alloy steel and preparation method thereof
03/21/2012CN101864537B Ultra-high-strength 9Ni steel for cryogenic environment and preparation process thereof
03/21/2012CN101851729B Method for preparing tough and wearable high boron steel
03/21/2012CN101824579B Jam skeleton preparation method for perforating gun
03/21/2012CN101701312B Method for smelting stainless steel mother liquid by using chromium mineral powder and laterite as raw materials
03/21/2012CN101578385B Ferritic stainless steel sheet for water heater excellent in corrosion resistance at welded part and steel sheet toughness
03/21/2012CN101572144B High-plasticity complex phase structure semi-hard magnetic alloy for anti-theft magnetic stripe and method for preparing thin strip thereof
03/21/2012CN101389772B Method of producing steel for high carbon steel wire material excellent in wire-drawability and fatigue characteristic
03/21/2012CN101325111B Compacted magnetic core, production method of the same, and motor for electric vehicle
03/20/2012US8137613 Austenitic stainless steel welded joint and austenitic stainless steel welding material
03/20/2012US8137484 Method of production of steel superior in machinability
03/20/2012US8136339 Oil-impregnated bushing, oil-free chain and method for manufacturing oil-impregnated bushing
03/20/2012CA2713685C Process for manufacturing stamped products, and stamped products prepared from the same
03/20/2012CA2456495C An ultra high strength steel composition, the process of production of an ultra high strength steel product and the product obtained
03/15/2012WO2012033377A2 High-strength and high-ductility steel sheet, and method for producing same
03/15/2012WO2012033210A1 High-strength cold-rolled steel sheet having excellent stretch flange properties, and process for production thereof
03/15/2012WO2012033116A1 Thermoelectric conversion material
03/15/2012WO2012032819A1 Bearing steel with excellent corrosion resistance, bearing parts, and precision machinery components
03/15/2012WO2012032792A1 Grain-oriented magnetic steel sheet and process for producing same
03/15/2012WO2012031771A1 Super bainite steel and method for manufacturing it
03/15/2012WO2011138422A3 Powder-metallurgical steel
03/15/2012US20120064357 Tyre bead wire and process for production thereof
03/15/2012US20120063946 Hot work tool steel with outstanding toughness and thermal conductivity
03/15/2012US20120063945 Steel for machine structural use
03/15/2012US20120063944 Bearing component
03/15/2012US20120060979 Carburized steel part having excellent low cycle bending fatigue strength
03/15/2012DE102010045221A1 Stahlkolben für Verbrennungsmotoren Steel pistons for internal combustion engines
03/15/2012CA2808774A1 Grain oriented electrical steel sheet and method for manufacturing the same
03/14/2012EP2428301A1 Roller for supporting and transporting hot goods with a clad welding layer ; Welding material for use in building-up welding on a surface of a workpiece
03/14/2012EP2036992B1 Steel for forging, process for producing the same, and forged article
03/14/2012EP2026923B1 Apparatus for producing alloy and rare earth element alloy
03/14/2012EP1777315B1 Steel for welded structure excellent in low temperature toughness of heat affected zone of welded part, and method for production thereof
03/14/2012EP1710458B1 Method for heat treatment of steel
03/14/2012EP1580290B1 Cold die steel excellent in characteristic of suppressing dimensional change
03/14/2012CN102379013A Nanocomposite bulk magnet and process for producing same
03/14/2012CN102378824A High-strength hot-dip galvanized steel plate and method for producing same
03/14/2012CN102378823A Steel wire for high-strength spring
03/14/2012CN102378822A Steel for case hardening which has excellent cold workability and machinability and which exhibits excellent fatigue characteristics after carburizing and quenching, and process for production of same
03/14/2012CN102378819A Method for treating steel for directional electromagnetic steel plate and method for producing directional electromagnetic steel plate
03/14/2012CN102376407A Rare earth sintered magnet
03/14/2012CN102373704A Metallic tubular pile end connecting plate and production process thereof
03/14/2012CN102373387A Steel plate for large-strain cold-bent tube and manufacturing method thereof
03/14/2012CN102373386A Process for manufacturing high-performance alloy steel seamless steel tube