Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
10/2012
10/02/2012US8278009 Metallic material for conductive member, separator for fuel cell using the same, and fuel cell using the separator
10/02/2012US8277576 Steel material composition for producing piston rings and cylinder lines
10/02/2012CA2680040C Process for producing bend pipe for line pipe and bend pipe for line pipe
09/2012
09/27/2012WO2012128397A1 Method of alloying sulphur using the reaction chamber and the high sulphur cast steel made thereby
09/27/2012WO2012128371A1 Rare-earth magnetic powder, method for manufacturing same, compound of same, and bond magnet of same
09/27/2012WO2012128357A1 High-hardness atomized powder, powder for projecting material for shot peening, and shot peening method using same
09/27/2012WO2012128272A1 Method for winding hot-rolled maraging steel strip
09/27/2012WO2012128258A1 Austenite system alloy pipe and manufacturing method thereof
09/27/2012WO2012128228A1 Hot-rolled steel sheet and process for producing same
09/27/2012WO2012128225A1 Steel sheet for hot-stamped member and process for producing same
09/27/2012WO2012128222A1 Steel material for machine structural use reduced in thermal deformation
09/27/2012WO2012128206A1 Hot-rolled steel sheet exhibiting exceptional press-molding properties and method for manufacturing same
09/27/2012WO2012127995A1 Constant-velocity universal joint
09/27/2012WO2012127811A1 Steel pipe quenching method
09/27/2012WO2012127125A1 Hot-rolled steel sheet and associated production method
09/27/2012WO2012091411A9 High-strength steel sheet having superior toughness at cryogenic temperatures, and method for manufacturing same
09/27/2012WO2012091394A3 Martensitic stainless steel highly resistant to corrosion, and method for manufacturing same
09/27/2012US20120244031 Duplex stainless steel having excellent alkali resistance
09/27/2012US20120244030 Powder for magnet
09/27/2012US20120241057 Low yield ratio, high strength and high toughness steel plate and method for manufacturing the same
09/27/2012US20120241053 Use of intermediate piece for connecting molded articles of manganese steel with carbon steel, and method for connecting austenitic manganese steel casting pieces with standard rails
09/27/2012US20120241052 Ferritic stainless steel and method of manufacturing the same
09/27/2012US20120241051 Precipitation hardened heat-resistant steel
09/27/2012CA2830853A1 Hot rolled steel sheet and associated fabrication method
09/27/2012CA2829327A1 Steel sheet for hot stamped member and method of production of same
09/26/2012EP2503573A1 Permanent magnet and manufacturing method for permanent magnet
09/26/2012EP2503572A1 Permanent magnet and manufacturing method for permanent magnet
09/26/2012EP2503570A1 Permanent magnet and manufacturing method for permanent magnet
09/26/2012EP2503569A1 Permanent magnet and manufacturing method for permanent magnet
09/26/2012EP2503568A1 Permanent magnet and manufacturing method for permanent magnet
09/26/2012EP2503566A1 Permanent magnet and manufacturing method for permanent magnet
09/26/2012EP2503562A1 Permanent magnet and manufacturing method for permanent magnet
09/26/2012EP2503561A1 Permanent magnet and manufacturing method for permanent magnet
09/26/2012EP2503016A1 Steel with high temper resistance
09/26/2012EP2503015A1 Stainless steel for molds having a lower delta-ferrite content
09/26/2012EP2503014A1 High strength hot-rolled steel plate exhibiting excellent acid pickling property, chemical conversion processability, fatigue property, stretch flangeability, and resistance to surface deterioration during molding, and having isotropic strength and ductility, and method for producing said high strength hot-rolled steel plate
09/26/2012EP2503012A1 Precipitation hardened heat-resistant steel
09/26/2012EP2502710A1 Chisels
09/26/2012EP2502689A2 Iron powder coated with Mg-containing oxide film
09/26/2012CN102695815A 贫奥氏体不锈钢 Lean austenitic stainless steel
09/26/2012CN102695814A Steel for surface hardening for machine structural use, and steel component for machine structural use and process for producing same
09/26/2012CN102695529A Endoprosthesis containing multi-phase ferrous steel
09/26/2012CN102694157A Rare earth hydrogen storage alloy electrode material and preparation method thereof
09/26/2012CN102691772A Gear of starting motor of automobile engine and preparation method of gear
09/26/2012CN102691298A Metal tubular pile butt plate and production technology thereof
09/26/2012CN102691019A Method for smelting nitrogen-controlled nuclear-grade stainless steel
09/26/2012CN102691018A Low-compression ratio super-strength steel plate for ocean engineering and manufacturing method thereof
09/26/2012CN102691017A Low-cost wear resistant steel plate with hardness of NM550 and manufacturing method thereof
09/26/2012CN102691016A Precipitation hardened heat-resistant steel
09/26/2012CN102691015A YP500MPa-level thick steel plate with excellent low-temperature toughness and manufacturing method thereof
09/26/2012CN102691014A Heat treatment process of R5 mooring chain Kenter shackle
09/26/2012CN102691013A Heat treatment technology of R5 mooring chain swivel shackle
09/26/2012CN102691012A Formula for preparing Zr alloy reformer tubes
09/26/2012CN102691011A Processing method of Zr alloy reformer tube
09/26/2012CN102691010A HT 960 steel plate with excellent plasticity and toughness and manufacture method thereof
09/26/2012CN102691009A High-temperature and high-conductivity alloy material and application thereof in electrode
09/26/2012CN102691008A Steel for high temperature resistant oil well pipe, oil well pipe and manufacturing method thereof
09/26/2012CN102691007A High tempering parameter PWHT embrittlement resistant, extra thick cryogenic steel plate and manufacture method thereof
09/26/2012CN102691006A High tempering parameter SR embrittlement resistant cryogenic nickel steel and manufacture method thereof
09/26/2012CN102691005A Low alloy die steel
09/26/2012CN102691004A Production method for treating weathering steel for containers without sand blasting or shot blasting
09/26/2012CN102691003A Weathering steel
09/26/2012CN102691002A Nuclear electric weldable seamless carbon steel pipe and production method thereof
09/26/2012CN102691001A Method for manufacturing austenitic stainless steel with excellent surface polishing processing performance
09/26/2012CN102691000A Steel plate for engineering machinery and rolling and heat treatment technologies thereof
09/26/2012CN102690999A Free-cutting and corrosion-resisting non-magnetic high manganese steel balance block for compressor
09/26/2012CN102690998A Oil pipeline steel
09/26/2012CN102690997A Ferritic stainless steel and method of manufacturing the same
09/26/2012CN102690996A High-temperature seamless ferritic alloyed steel and production method thereof
09/26/2012CN102690995A High-temperature resistant seamless steel pipe and production method thereof
09/26/2012CN102690994A Medium-chromium ferrite stainless steel and manufacturing method thereof
09/26/2012CN102690993A Water cooled wall seamless tube used for thermal power and production method thereof
09/26/2012CN102690992A Method for producing casing pipe for thickened oil thermal production well
09/26/2012CN102690991A Hot rolled bar with good surface antitrust property and preparing method of hot roller bar
09/26/2012CN102690990A Nb+Ti-IF (Interstitial-Free) steel twice cold rolling process and recrystallization annealing method
09/26/2012CN102690989A Thick steel board having excellent toughness and strain efficiency
09/26/2012CN102690988A Fine crystalline high-strength silicomanganese bainite abrasion-resistant cast steel and preparation method thereof
09/26/2012CN102689013A High-toughness oil-retaining bearing for iron-base power metallurgy and manufacturing method thereof
09/26/2012CN102268598B Steel for U-shaped umbrella frame and production method thereof
09/26/2012CN102134687B Composite material selectively absorbing optical wave
09/26/2012CN102127677B Method for producing hot rolled steel coil
09/26/2012CN102072659B Feeding rail device of impulse type furnace
09/26/2012CN102071366B High-toughness drilling rod applicable to corrosion acid environment and processing method thereof
09/26/2012CN102011065B Alloy powder for manufacturing embossed label plate by laser cladding
09/26/2012CN101994060B Ferrum-aluminium-chromium (Fe-Al-Cr) intermetallic compound powder metallurgy material and preparation method thereof
09/26/2012CN101905411B Method for manufacturing coupler for distributor of automobile engine
09/26/2012CN101838773B Steel for acid soil corrosion-resistant hot rolling U-shaped steel sheet pile and production method thereof
09/26/2012CN101775560B Nickel-saving austenitic stainless steel and production method thereof
09/26/2012CN101668596B Process for producing unidirectionally grain oriented electromagnetic steel sheet
09/26/2012CN101525721B Heavy steel plate
09/26/2012CN101158011B Martensitic free cutting stainless steel
09/25/2012US8273292 Steel for machine and structural use having excellent machinability
09/25/2012US8273191 High-strength stainless steel material and production process of the same
09/25/2012CA2720912C Bi-steel percussive drill rod
09/20/2012WO2012125113A1 Method of manufacturing a powder product, a power product and use thereof
09/20/2012WO2012125063A1 Structural steel for combined surface and bulk hardening
09/20/2012WO2012124899A2 Machine parts with excellent corrosion resistance and abrasion resistance, and manufacturing method thereof
09/20/2012WO2012124823A1 Steel sheet for aerosol can bottom having high pressure resistance and excellent workability and method for producing same
09/20/2012WO2012124721A1 Magnetic refrigeration material
09/20/2012WO2012124679A1 Steel wire material and process for producing same