Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
09/2011
09/13/2011CA2452097C Metal dusting resistant copper based alloy surfaces
09/09/2011WO2011108764A1 High-strength seamless steel pipe for mechanical structure which has excellent toughness, and process for production of same
09/09/2011WO2011108704A1 Sintered rare-earth magnet and motor
09/09/2011WO2011108675A1 Seamless steel pipe of high-strength hollow spring
09/09/2011WO2011108459A1 Steel wire with excellent cold forging characteristics and manufacturing process thereof
09/09/2011WO2011108135A1 Method for determination of brittle crack propagation stopping performance in high-intensity thick steel plate
09/09/2011WO2011107683A1 Improved apparatus for dispersing a water-soluble polymer
09/09/2011CA2787175A1 Improved water-soluble polymer dispersion appliance
09/08/2011US20110217566 Corrosion-resistant steel for chimney/flue use in natural gas-fired or liquefied petroleum gas-fired plants
09/07/2011EP1837413B1 Rolling-sliding elements and process for production of the same
09/07/2011CN201962338U Rtb系稀土类合金的制造装置 Apparatus for manufacturing rare earth alloy Rtb
09/07/2011CN1875123B Hot-rolled steel plate excellent in chemical treatment characteristics and method for production thereof
09/07/2011CN102177277A Working process for manufacturing members excellent in chemical conversion treatability
09/07/2011CN102177268A Iron alloy, iron alloy member and manufacturing method therefor
09/07/2011CN102176985A Excellent-formability and high-strength steel tube excellent in chemical convesion treatability and process for production of same
09/07/2011CN102174936A Slide block for rotary type compressor and manufacturing method thereof
09/07/2011CN102174685A 800 MPa grade cold-rolling dual-phase steel and manufacturing method thereof
09/07/2011CN102174684A Automobile undercarriage component having irregular cross-sectional shape and excellent in fatigue performance
09/07/2011CN102174683A Method for producing cold-rolling low-carbon aluminum killed steel with uniform through plate mechanical property
09/07/2011CN102172816A Method for producing high-strength hot rolling valve snail
09/07/2011CN102172770A Prestressed nut for finished deformed bars and preparation method thereof
09/07/2011CN102172622A Production method of black steel for 510L automobile frame
09/07/2011CN101812646B High-speed steel alloy casting process used for roll
09/07/2011CN101812628B Fe-Ga based magnetostrictive wire and preparation method thereof
09/07/2011CN101805874B Low-carbon Mn-Cr steel for engine camshaft and manufacturing method thereof
09/07/2011CN101717899B HRB500E V-N high-strength anti-seismic steel bar and production method thereof
09/07/2011CN101691640B High strength low alloy wear resistance steel plate and preparation method thereof
09/07/2011CN101624683B Ultra-high strength bainite rail steel and manufacturing method thereof
09/07/2011CN101575947B High-strength high-toughness carbide-free bainite drill pipe and preparation method thereof
09/07/2011CN101415852B Corroson-resistant steel material for crude oil storage tank, and crude oil storage tank
09/07/2011CN101372320B Equipment for purifying waste sulfuric acid
09/07/2011CN101111622B Austenitic steel having high strenght and formability method of producing said steel and use thereof
09/06/2011US8012276 Method for manufacturing a steel sheet for tin plated steel sheet and tin-free steel sheet each having excellent formability
09/06/2011US8012272 Tool steels and manufacturing method thereof
09/06/2011US8012271 Material for components of a gas turbine
09/01/2011WO2011105652A1 High-strength steel sheet having excellent platability and method for manufacturing same
09/01/2011WO2011105609A1 Metallic material which is solid solution of body-centered cubic (bcc) structure having controlled crystal axis <001> orientation, and process for producing same
09/01/2011WO2011105600A1 Heat-treated steel material, method for producing same, and base steel material for same
09/01/2011WO2011105591A1 Low-chromium-content stainless steel with excellent corrosion resistance of weld
09/01/2011WO2011105578A1 Composite body, collector member, gas tank, and fuel cell device
09/01/2011WO2011105385A1 Super-high strength cold-rolled steel sheet having excellent bending properties
09/01/2011WO2011105338A1 Valve seat
09/01/2011WO2011105327A1 Non-oriented magnetic steel sheet
09/01/2011WO2011105054A1 Process for producing grain-oriented magnetic steel sheet
09/01/2011US20110209803 High-Strength Steel Machined Product and Method for Manufacturing the Same, and Method for Manufacturing Diesel Engine Fuel Injection Pipe and Common Rail
09/01/2011US20110209800 High strength steel sheet with good wettability and manufacturing method thereof
09/01/2011DE102010016567A1 Antimicrobial material made of stainless steel, titanium, titanium alloy, powdery precursor or intermetallic compound to manufacture e.g. medical implant and toys, comprises antimicrobial active elements including silver, copper and zinc
09/01/2011CA2791018A1 Heat-treated steel material, method for producing same, and base steel material for same
08/2011
08/31/2011EP2361997A1 Steel blanks
08/31/2011EP2361996A2 Low alloy pipe steel for oil well use and seamless steel pipe
08/31/2011EP2361995A1 Pearlite rail
08/31/2011EP2255021B1 Steel alloy for a low alloy steel for producing high-tensile seamless steel tubing
08/31/2011EP2247764B1 Rail steel with an excellent combination of wear properties and rolling contact fatigue resistance
08/31/2011EP2245202B1 Austenitic stainless steel low in nickel containing stabilizing elements
08/31/2011CN201952480U Rtb系稀土类合金的制造装置 Apparatus for manufacturing rare earth alloy Rtb
08/31/2011CN201952479U Rtb系稀土类合金的制造装置 Apparatus for manufacturing rare earth alloy Rtb
08/31/2011CN1910296B Steel sheet for use in containers and manufacturing method therefor
08/31/2011CN102168230A 304 substituting nickel-saving austenitic stainless steel and preparation method thereof
08/31/2011CN102168229A Weather resistant steel plate and manufacturing method thereof
08/31/2011CN102168228A Medical precipitation-hardening stainless steel material and preparation method thereof
08/31/2011CN102168227A Super-thick quenched-tempered steel plate with 60kg-grade tensile strength and production method of the super-thick quenched-tempered steel plate
08/31/2011CN102168226A Martensite antibacterial stainless steel and manufacturing method thereof
08/31/2011CN102168225A YP100MPa steel plate and manufacture method thereof
08/31/2011CN102168217A Mechanical uniform dispersion method of iron 15 copper-3 graphite semi-solid state slurry
08/31/2011CN101914716B Smelting method of steel and production method of reinforcing steel bars
08/31/2011CN101818236B Method for manufacturing high carbon steel wheel
08/31/2011CN101748336B Fire-resistant steel and preparation method thereof
08/31/2011CN101736658B High-nitrogen austenitic steel high-speed railway frog and manufacturing method thereof
08/31/2011CN101676428B Material for generator rotor shafts
08/31/2011CN101595236B Iron-nickel-chromium- silicon alloy
08/31/2011CN101550519B Hot rolling biphase steel plate for vehicle wheel and method for production thereof
08/31/2011CN101542001B Low alloy steel for the pipe for oil well use and seamless steel pipe
08/31/2011CN101541992B High-strength steel sheet
08/31/2011CN101441914B Amorphous soft magnetic alloy coatings and preparation method thereof
08/31/2011CN101182757B Sidetracking petroleum case pipe for petroleum natural gas mining industry
08/30/2011US8007716 Steel wire for high strength spring excellent in workability and high strength
08/30/2011US8007715 Welding additive material
08/30/2011US8007603 High-strength steel for seamless, weldable steel pipes
08/30/2011US8007602 Spring element made from a ferritic chromium steel
08/30/2011US8007601 Methods of producing high-strength metal tubular bars possessing improved cold formability
08/30/2011CA2638289C Oil country tubular good for expansion in well and duplex stainless steel used for oil country tubular good for expansion
08/30/2011CA2533023C Method of producing austenitic iron/carbon/manganese steel sheets having a high strength and excellent toughness and being suitable for cold forming, and sheets thus produced
08/25/2011WO2011102499A1 Duplex stainless steel material for vacuum vessels, and process for manufacturing same
08/25/2011WO2011102456A1 Manufacturing method for grain-oriented electromagnetic steel sheet
08/25/2011WO2011102455A1 Manufacturing method for grain-oriented electromagnetic steel sheet
08/25/2011WO2011102402A1 Steel for molds with excellent hole processability and reduced processing deformation, and method for producing same
08/25/2011WO2011102359A1 Sputtering target-backing plate assembly body
08/25/2011WO2011102328A1 Non-oriented electromagnetic steel sheet and process for production thereof
08/25/2011WO2011102259A1 Steel plate exhibiting little welding deformation and excellent corrosion resistance
08/25/2011WO2011102244A1 Steel material exhibiting excellent fatigue-crack progress resistance and corrosion resistance, and production method for same
08/25/2011WO2011101706A1 Hard particles for blending in sintered alloy, wear-resistant iron-based sintered alloy containing hard particles, valve seat formed of sintered alloy, and process for manufacturing hard particles
08/25/2011WO2011100798A1 Nitriding of niobium steel and product made thereby
08/25/2011US20110207610 Iron-based superconducting substance
08/25/2011US20110206552 Carbon steel wire with high strength and excellent ductility and fatigue resistance, process for producing the same, and method of evaluating the same
08/24/2011EP2360283A1 PROCESS FOR PRODUCTION OF 780MPa-GRADE HIGH-TENSILE-STRENGTH STEEL PLATES EXCELLENT IN LOW-TEMPERATURE TOUGHNESS
08/24/2011EP2359951A1 Tools with a thermo-mechanically modified working region and methods of forming such tools
08/24/2011EP2358918A1 Ferritic-austenitic stainless steel
08/24/2011EP1435395B1 Granular metallic iron
08/24/2011CN201942737U Rtb系稀土类合金的制造装置 Apparatus for manufacturing rare earth alloy Rtb
08/24/2011CN201942736U Rtb系稀土类合金的制造装置 Apparatus for manufacturing rare earth alloy Rtb