Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
09/2008
09/17/2008CN101264507A Steel-forged ball processing technique
09/17/2008CN100419115C Ultrahigh-strength atmospheric-corrosion resistant steel
09/17/2008CN100419114C Antiwear alloy
09/17/2008CN100419113C High-strength deformed steel bar and method of manufacturing same
09/17/2008CN100419112C High performance hot work mould steel
09/17/2008CN100419111C Sulfur-preventing oil well pipe and its production process
09/17/2008CN100419110C Weld metal of low temperature toughness and SR cracking resistance used for high-strength Cr-Mo steel
09/17/2008CN100419109C Manufacturing method of low carbon 700 MPa composite fertified ultrafine crystal band steel
09/17/2008CN100419108C Production method of 250 MPa grade cold rolled magnetic pole steel
09/17/2008CN100419107C Steel bar for steering rack, method for producing the same, and steering rack using the same
09/17/2008CN100418697C High magentic induction oriented electrical steel sheet and its manufacturing method
09/16/2008US7425240 Method for the production of a siderurgical product made of carbon steel with a high copper content
09/12/2008WO2008108709A1 Apparatus for extraction of saccharides from lignocellulose material by means of hydrolysis and use of a certain material in the apparatus
09/12/2008WO2008108487A1 High-strength hot-rolled steel plate excellent in low-temperature toughness for spiral pipe and process for producing the same
09/12/2008WO2008108483A1 Thin steel sheet excelling in strength and toughness uniformity, process for producing the same, and apparatus therefor
09/12/2008WO2008108363A1 Cold-rolled steel sheet, galvannealed steel sheet and processes for production of both
09/12/2008WO2008108333A1 Thick high-strength steel plate and process for producing the same
09/12/2008WO2008108248A1 Thrust bearing
09/12/2008WO2008108044A1 High tensile cold rolled steel plate and method for manufacturing the cold rolled steel plate
09/12/2008WO2008106978A1 Martensitic creep resistant steel strengthened by z-phase
09/12/2008CA2679241A1 Apparatus for extraction of saccharides from lignocellulose material by means of hydrolysis and use of a certain material in the apparatus
09/11/2008US20080219879 Steel; carbon, manganese, silicon, aluminum, niobium, bainite and acicular ferrite; increase in elongation and an increase in yield strength after age hardening
09/11/2008US20080219878 High strength, toughness, noncracking, corrosion resistance; quenching, tempering
09/11/2008US20080216928 High strength, toughness, corrosion resistance; noncracking
09/11/2008US20080216927 Ferrite steel containing chromium; tempering; heat treatment; stress resistance
09/10/2008EP1967601A2 Method for manufacturing a coating
09/10/2008EP1967289A2 Rotor shaft assembly for magnetic bearings for use in corrosive environments
09/10/2008EP1967288A2 Rotor and stator assemblies that utilize magnetic bearings for use in corrosive environments
09/10/2008EP1967287A2 Method for testing a rotor and stator assembly
09/10/2008EP1967286A2 Encapsulated stator assembly and process for making
09/10/2008EP1966407A1 Spring steel, method for producing a spring using said steel and a spring made from such steel
09/10/2008EP1966406A2 Compressor housing for use at low temperatures
09/10/2008EP1966405A1 Material for components of a gas turbine
09/10/2008EP1966404A1 Carbon steel sheet superior in formability and manufacturing method thereof
09/10/2008EP1966403A1 Non-oriented electrical steel sheets with improved magnetic property and method for manufacturing the same
09/10/2008CN201111540Y Small diameter cold drawing oil tube
09/10/2008CN101263240A Nanocrystalline magnetic alloy, method for producing same, alloy thin band, and magnetic component
09/10/2008CN101263239A Method of producing high-strength steel plates with excellent ductility and plates thus produced
09/10/2008CN101263233A Method for production of sheets of austenitic iron/carbon/manganese steel and sheets produced thus
09/10/2008CN101262039A Fe-Ga base magnetism driven elastic silk and part using this material
09/10/2008CN101260776A Ultra-high tensile steel vehicle door anti-collision joist and method of manufacture
09/10/2008CN101260647A Underwater anti-knock support
09/10/2008CN101260501A High-boron low-carbon abrasion resistant cast steel and heat treatment method thereof
09/10/2008CN101260500A Quench hardening type easy-cutting mirror-surface plastic die steel
09/10/2008CN101260499A Boron-containing casting die steel and preparation method thereof
09/10/2008CN101260498A Corrosion-proof powder metallurgy austenitic stainless steel material
09/10/2008CN101260495A Method for manufacturing 590MPa stage low yield ratio low carbon equivalent weight steel plate for building
09/10/2008CN101259582A Preparation of seamless special-shaped steel pipe for low temperature resistance oil derrick electric transmission pole tower
09/10/2008CN101259581A Method for preparing ultra-sharp steel alloy cutting tool
09/10/2008CN100417741C Cast steel materials
09/10/2008CN100417740C Heat source material of high frequency electromagnetic wave heat generating device and its manufacturing method
09/10/2008CN100417460C Fe-Cr ally billet and method for production thereof
09/09/2008US7422643 induction hardened gears; improved seizure resistance of its tooth flanks; temper hardness of HRC 50 or more at 300 degrees C; steel of C, V, Cr,Ti, Zr, Nb, Ta and Hf; cementite disperses in a martensite parent phase formed by quench hardening induction heating and cooling; pitting resistance
09/08/2008CA2624347A1 Rotor shaft assembly for magnetic bearings for use in corrosive environments
09/04/2008WO2008105990A1 Corrosion resistant alloy weldments in carbon steel structures and pipelines to accommodate high axial plastic strains
09/04/2008WO2008105524A1 Steel sheet for cans, hot-rolled steel sheet to be used as the base metal and processes for production of both
09/04/2008WO2008105216A1 Electric resistance welded steel pipe prior to heat treatment and process for manufacturing the same
09/04/2008WO2008105134A1 Ferritic stainless steel sheet having excellent heat resistance
09/04/2008WO2008105110A1 Electric resistance welded steel pipe for line pipe excelling in weld part toughness
09/04/2008WO2008104051A1 Hot runner system with composite nozzle tip
09/04/2008WO2008064624A3 Iron-nickel alloy with a high level of ductility and a low expansion coefficient
09/04/2008US20080213121 Steel For Submarine Hulls With Improved Weldability
09/04/2008US20080213120 Martensitic Stainless Steel
09/04/2008US20080210351 Formed product and method for production thereof
09/04/2008US20080210348 Ferritic steel alloy of less than 1% of Ni, 15-25% of Cr, 4.5-12% of Al, 0.5-4% of Mo, 0.01-1.2% of Nb, 0-0.5% of Ti, 0-0.5% of Y, Sc, Zr and/or Hf, 0-0.2% of one or more rare earth metals ( Ce, La ), 0-0.2% of C, 0-0.2% of N, balance Fe; use in catalytic converters, furnaces
09/04/2008US20080210346 Method of Manufacturing Super Formable High Strength Steel Sheet
09/04/2008US20080210344 Precipitation Hardenable Martensitic Stainless Steel
09/04/2008CA2679060A1 Electric resistance welded steel pipe with excellent weld toughness for line pipe
09/04/2008CA2676940A1 Corrosion resistant alloy weldments in carbon steel structures and pipelines to accommodate high axial plastic strains
09/03/2008EP1964939A1 Low-carbon sulfur-containing free-cutting steel with excellent cuttability
09/03/2008EP1964935A1 Link chain excellent in low-temperature toughness and method for heat treatment thereof
09/03/2008EP1963542A1 Alloy structural steel
09/03/2008EP1405928B1 Method for production of a sintered alloy
09/03/2008CN101258259A A maraging steel article and method of manufacture
09/03/2008CN101258258A Powder metallurgically manufactured high speed steel
09/03/2008CN101258257A High-toughness wear-resistant steel exhibiting little hardness change in service and process for production thereof
09/03/2008CN101258256A 低合金钢 Low Alloy Steel
09/03/2008CN101258255A Martensitic stainless steel sheet for heat-resistant disc brake having excellent hardenability
09/03/2008CN101257989A Porous iron powder, process for producing the same and radio wave absorber
09/03/2008CN101256124A Method for research macrotype ingot aliquation
09/03/2008CN101255535A Easy-cutting untempered steel and method for manufacture thereof
09/03/2008CN101255534A Blast furnace hood steel
09/03/2008CN101255533A High-carbon low-chromium rare earth alloy and method for preparing same
09/03/2008CN101255532A Ferrite series stainless steel plate having excellent formability with small roughness of machining surface and method for manufacturing same
09/03/2008CN101255531A Production method of low-Ti pinion steel
09/03/2008CN101255530A High-strength steel for water heater inner container and production method thereof
09/03/2008CN101255529A High plastic-strain ratio galvanized steel sheet and production method
09/03/2008CN101255528A Niobium-containing steel plate with excellent ultralow-temperature flexibility and rolling method thereof
09/03/2008CN101255527A Boron-modified H-shape steel having well low-temperature impact flexibility and preparation method thereof
09/03/2008CN101255526A Rear earth fe-b alloy strip cast having texture and preparation thereof
09/03/2008CN101255506A Method for manufacturing super-magnetic conducting nanocrystalline alloy and nanocrystalline alloy
09/03/2008CN101254577A Manufacturing method of ultra low temperature and high intensity fine grain simple steel flange
09/03/2008CN101254527A Method for producing low carbon bainite high-strength steel based on sheet bar continuous casting and rolling process flow
09/03/2008CN100416069C Cylinder liner supporting Europe IV discharge standard and material thereof
09/03/2008CN100415926C Microalloyed nickel chromium high-temperature alloy material and method for preparing the same
09/03/2008CN100415925C Steel for high strength shock-proof hot-rolled steel bar
09/03/2008CN100415924C High carbon high-speed steel of containing granular carbide, and preparation method thereof
09/03/2008CN100415923C High-strength casted air-colled bainite wear-resisting steel and preparing method thereof
09/03/2008CN100415922C Steel pipe for an airbag system and a method for its manufacture method
09/03/2008CN100415921C High strength thin steel sheet excellent in hole expansibility and ductility