Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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10/16/2013 | CN102676952B Steel plate for anti-large deformation oil gas conveying pipe and production method thereof |
10/16/2013 | CN102650021B Bainite pre-hardening plastic mold steel and preparation method and heat treatment method thereof |
10/16/2013 | CN102605264B Method for preparing corrosion resistant die steel with ultrahigh ductility and high hardness |
10/16/2013 | CN102560048B Preparation process of ordinary oriented silicon steel |
10/16/2013 | CN102482741B Metal plate for radiation heating, process for producing same, and processed metal having portion with different strength and process for producing same |
10/16/2013 | CN102471852B High-strength cold-rolled steel sheet and method for producing same |
10/16/2013 | CN102471846B Member for radio receiver, member for radio-controlled watch, and radio receiver |
10/16/2013 | CN102459696B Electromagnetic steel sheet having insulating coating film and process for production thereof |
10/16/2013 | CN102459676B Ferritic stainless steel material for brazing, and heat exchanger member |
10/16/2013 | CN102343503B Machine barrel fabrication method |
10/16/2013 | CN102337461B High-hardness martensitic stainless steel and its production method |
10/16/2013 | CN102317493B Steel for high-strength vehicle stabilizer with excellent corrosion resistance and low-temperature toughness, and process for the production of same, and stabilizer |
10/16/2013 | CN102268605B Method for preparing iron silicon soft magnetic alloy |
10/16/2013 | CN102234738B Ferrite stainless steel for buildings and preparation method thereof |
10/15/2013 | US8557064 Method of cooling rail weld zone, and rail weld joint |
10/15/2013 | US8557061 Spring steel with excellent resistance to hydrogen embrittlement and steel wire and spring obtained from the steel |
10/15/2013 | US8557060 High-strength steel material with excellent hydrogen embrittlement resistance |
10/15/2013 | US8557058 High-strength non-oriented electrical steel sheet |
10/15/2013 | US8557056 Process for setting the thermal conductivity of a steel, tool steel, in particular hot-work steel, and steel object |
10/15/2013 | US8555507 Method for fabricating a member of a vehicle |
10/15/2013 | CA2695472C Secondary-hardening gear steel |
10/15/2013 | CA2470384C Nano-composite martensitic steels |
10/10/2013 | WO2013152306A1 Metal alloy compositions and applications thereof |
10/10/2013 | WO2013151992A1 Cost-effective ferritic stainless steel |
10/10/2013 | WO2013151085A1 High-strength, highly workable steel sheet, and method for manufacturing same |
10/10/2013 | WO2013151059A1 Hollow seamless pipe for high-strength spring |
10/10/2013 | WO2013151009A1 Steel wire rod or steel bar having excellent cold forgeability |
10/10/2013 | WO2013150972A1 Fe-Al ALLOY PRODUCTION METHOD |
10/10/2013 | WO2013150947A1 Cr-containing austenitic alloy |
10/10/2013 | WO2013150844A1 Steel for cold forging/nitriding, steel material for cold forging/nitriding, and cold forged/nitrided member |
10/10/2013 | WO2013150801A1 Method for friction-stir welding of steel sheet |
10/10/2013 | WO2013150687A1 High-strength thick steel plate having excellent arrestability |
10/10/2013 | WO2013150669A1 Galvannealed hot-rolled steel sheet and method for manufacturing same |
10/10/2013 | WO2013149734A1 Steel strip having a low si content |
10/10/2013 | WO2013149733A1 Steel strip having a low si content |
10/10/2013 | WO2013149732A1 Steel strip having a low si content |
10/10/2013 | WO2013149657A1 Steel alloy |
10/10/2013 | WO2013112217A3 Methods for fabricating gradient alloy articles with multi-functional properties |
10/10/2013 | WO2011084213A3 Process of applying hard-facing alloys having improved crack resistance and tools manufactured therefrom |
10/10/2013 | US20130266820 Metal alloy compositions and applications thereof |
10/10/2013 | US20130266477 Alumina Forming Iron Base Superalloy |
10/10/2013 | US20130264123 Methods of manufacturing steel tubes for drilling rods with improved mechanical properties, and rods made by the same |
10/10/2013 | US20130263975 Wire rod, steel wire, and manufacturing method thereof |
10/10/2013 | US20130263972 High-carbon chromium bearing steel and production method of the same |
10/10/2013 | DE112012000399T5 Abgeschrecktes Band aus weichmagnetischer Legierung auf Fe-Basis und sein Herstellungsverfahren und Kern Quenched ribbon of soft magnetic alloy to Fe-based and its manufacturing method and the core |
10/10/2013 | DE102012007062A1 Verfahren zur zerstörungsfreien quantitativen Bestimmung der Mikroeigenspannung II. und/oder III. A method of nondestructive quantitative determination of micro residual stress II. And / or III. Art Type |
10/09/2013 | EP2647739A1 Process for production of hot-pressed member |
10/09/2013 | EP2647734A1 Bearing steel exhibiting excellent machinability after spheroidizing annealing and excellent resistance to hydrogen fatigue after quenching/tempering |
10/09/2013 | EP2647733A1 Bearing steel exhibiting excellent machinability after spheroidizing annealing and excellent resistance to hydrogen fatigue after quenching/tempering |
10/09/2013 | EP2647730A2 A method for manufacturing a high strength formable continuously annealed steel strip, a high strength formable continuously annealed steel strip product and a steel coil |
10/09/2013 | EP2646582A1 Ultra high-strength structural steel and method for producing ultra high-strength structural steel |
10/09/2013 | CN103348420A Rapidly quenched fe-based soft magnetic alloy ribbon, method of manufacturing the alloy ribbon, and iron core |
10/09/2013 | CN103348213A Dual hardness steel article and method of making |
10/09/2013 | CN103348032A Tough iron-based metallic glass alloys |
10/09/2013 | CN103348031A Steel for nitriding and nitrided component |
10/09/2013 | CN103348030A Thick steel plate of at least 50mm in thickness with superior long brittle fracture propagation stopping properties, manufacturing method for same, and method for evaluating long brittle fracture propagation stopping performance and test apparatus for same |
10/09/2013 | CN103348023A Hot rolled ferritic stainless steel sheet, method for producing same, and method for producing ferritic stainless steel sheet |
10/09/2013 | CN103348022A Steel gear wheel and method for manufacturing same |
10/09/2013 | CN103348020A Ultra high-strength structural steel and method for producing ultra high-strength structural steel |
10/09/2013 | CN103347645A Weld metal with excellent creep characteristic |
10/09/2013 | CN103343341A Laser cladding alloy powder and laser cladding method applying same |
10/09/2013 | CN103343339A Laser restoration method for drawing die |
10/09/2013 | CN103343338A Laser restoration method of flaring die |
10/09/2013 | CN103343300A Engineering steel with thickness greater than 26mm and vertical engineering steel greater than or equal to 500MPa and production method thereof |
10/09/2013 | CN103343299A High-strength steel plate for water conservancy and preparation method thereof |
10/09/2013 | CN103343298A Production method of steel 07MnNiMoDR for cryogenic container |
10/09/2013 | CN103343297A Low-cost, wide and thick X80 pipeline steel plate and production method thereof |
10/09/2013 | CN103343296A Rare earth containing seamless steel pipe used for hydraulic support and production method thereof |
10/09/2013 | CN103343295A Sheet steel with high strength, high corrosion resistance and yield strength of 700 Mpa and production method thereof |
10/09/2013 | CN103343294A Rare-earth-containing and CO2/H2S corrosion resistant C90 steel-grade oil well pipe and production method thereof |
10/09/2013 | CN103343293A Rare earth containing, high strength and high toughness seamless steel pipe used for gas cylinder and production method thereof |
10/09/2013 | CN103343292A Production method of large explosive pressing mould |
10/09/2013 | CN103343291A Method for producing phosphorus weathering resistant steel from limonitic laterite ore |
10/09/2013 | CN103343290A High-manganese steel and preparation method thereof |
10/09/2013 | CN103343289A High-temperature wear-resistant cast steel and preparation method thereof |
10/09/2013 | CN103343288A Seamless steel tube for winding gas cylinder and manufacturing method thereof |
10/09/2013 | CN103343287A Hot rolled steel for traction base of semitrailer and production method thereof |
10/09/2013 | CN103343286A Pipeline steel smaller than 300MPa and production method thereof |
10/09/2013 | CN103343285A 690-grade super-strength steel plate for ocean engineering and production method thereof |
10/09/2013 | CN103343284A Method for producing high heat input welding Q345-level steel plate |
10/09/2013 | CN103343283A Production method of steel S355NL for super-thick low-temperature wind towers |
10/09/2013 | CN103343282A Hydrogen sulfide corrosion resistant X70MS steel plate and production method thereof |
10/09/2013 | CN103343281A Lamellar double-phase high-strength and high-toughness steel and preparation method thereof |
10/09/2013 | CN103343280A Low-temperature quenching method for medium-carbon steel workpiece |
10/09/2013 | CN103343209A Controlled rolling and controlled cooling technique for improving performance of Q235 steel plate |
10/09/2013 | CN103343208A Production method of super-thick 15NnNi steel plates |
10/09/2013 | CN103343207A Method for enhancing strength of low-carbon and medium-carbon steel through nano carbide precipitation |
10/09/2013 | CN103342020A Heat-resistant wearable clad steel plate and manufacturing method thereof |
10/09/2013 | CN103008050B Surfacing-free centrifugal combined ultra-high anti-abrasion roll squeezer roller sleeve and manufacturing method thereof |
10/09/2013 | CN102605267B Low-temperature-heating technology-optimized high-magnetic-induction-orientation electric steel plate and production method thereof |
10/09/2013 | CN102586698B Axletree steel and heat treatment method thereof |
10/09/2013 | CN102471818B Method for producing grain-oriented electromagnetic steel plate |
10/09/2013 | CN102443740B Alloy steel nitride and manufacture method thereof |
10/09/2013 | CN102418038B Micro-magnetism steel product for balance component of crank shaft structure |
10/09/2013 | CN102392190B Grid section used for sintering acid mine |
10/09/2013 | CN102345077B Large-expansion-ratio expansion pipe steel with high product of strength and elongation and preparation method thereof |
10/09/2013 | CN102337483B Antibacterial stainless steel, its heat treatment method and application |
10/09/2013 | CN102337467B Scraper knife blade purposed steel with Brinell hardness of 470-520 and production method thereof |
10/09/2013 | CN101798826B Integral-type excavator bucket and manufacturing method thereof |
10/08/2013 | US8554389 Thermal management techniques in an electronic device |