Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
10/2004
10/27/2004CN1173067C Thermal tool steel
10/27/2004CN1173066C 12 Cr alloy steel for turbin rotor, its manufacturing method and turbin rotor
10/27/2004CN1173065C Delayed crack high strength steel
10/27/2004CN1173064C Fe-Ni and Fe-Ni-Co alloy strip for shadow mask plate
10/27/2004CN1173063C Iron-nickel alloy with low thermal expansion coefficient and exceptional mechanical properties
10/27/2004CN1173062C 滚动轴承部件 Rolling Parts
10/27/2004CN1173061C Iron-base bulk amorphous soft-magnetic alloy material
10/26/2004US6808678 Comprising iron, carbon, silicon, manganese, phosphorus, sulfur, aluminum, nitrogen, and boron
10/26/2004US6808571 Heat resistant carburized rolling bearing component and manufacturing method thereof
10/26/2004CA2353492C Hot-dip galvanized high-strength steel sheet having superior workability and galvanizability and method for producing the same
10/26/2004CA2313876C Iron-graphite composite powders and sintered articles produced therefrom
10/26/2004CA2223656C Stainless steel wire and process for manufacturing
10/21/2004WO2004074525A3 Electrical contact material consisting of a cobalt-nickel-iron alloy and method for producing said material
10/21/2004US20040208774 Fabrication of B/C/N/O/Si doped sputtering targets
10/21/2004US20040206427 Austenitic stainless steel and manufacturing method thereof
10/21/2004US20040206204 Metal powder including diffusion alloyed molybdenum
10/21/2004DE202004010574U1 Strain-memory stress history indicator alloy of interest for aerospace composites, undergoes martensitic and ferromagnetic conversion on application of stress
10/20/2004EP1469095A1 Precipitation-strengthened nickel-iron-chromium alloy and process therefor
10/20/2004EP1469094A1 High speed tool steel and its manufacturing method
10/20/2004EP1469093A1 Steel wire for heat-resistant spring, heat-resistant spring and method for producing heat-resistant spring
10/20/2004EP1225241B1 Steel sheet for porcelain enamel excellent in forming property, aging property and enameling characteristics and method for producing the same
10/20/2004EP1194604B1 Steel cold work tool, its use and manufacturing
10/20/2004CN1539025A High-strength, low-heat expansion cast steel
10/20/2004CN1537968A Production method of yield strongth 460 MPa grade low alloy high strength structure steel plate
10/20/2004CN1537967A Preparaton method of low carbon 520 MPa grade composite fortified ultra fine crystal grain band steel
10/20/2004CN1537966A Low carbon 520MPa grade composite fortified ultra fine crystal grain band steel
10/20/2004CN1537965A Low carbon 420 MPa grade composite fortified ultr-fine crystal grain band steel
10/20/2004CN1537964A Preparation method of low carbon 42MPa grade composite fortified ultrafine crystal grain band steel
10/20/2004CN1537963A In-situ synthesize (TiW) C granule reinforced Fe base composition and its preparation metod
10/20/2004CN1172333C Method for making choking winding silicon steel sheet
10/20/2004CN1172326C Magnet powder and isotropic bound magnet
10/20/2004CN1172325C Magnet powder and isotropic bound magnet
10/20/2004CN1172017C Ferritic stainless steel with excellent machinability and production thereof
10/19/2004US6806635 Fe-Ni-Cr- based alloy strip having improved press-formability and used for electrode of electron gun
10/19/2004US6806631 Color CRT mask frame, a steel sheet used therefor and a manufacturing method for the steel sheet, and a color CRT equipped with the frame
10/19/2004US6805980 High coercive force and residual magnetic flux density by controlling metallurgical microstructure; rotating machine and magnetic recording medium; anisotropy; alternating layers of refractory metal and magnetic rare earth alloy
10/19/2004US6805975 Steel sheet for procelain enameling and method for production thereof, and enameled product and method for production thereof
10/14/2004WO2004087980A1 Stainless steel for use in high temperature applications
10/14/2004WO2004087979A1 Welded joint of tempered martensite based heat-resistant steel
10/14/2004WO2004087978A1 Steel wire for high strength spring excellent in workability and high strength spring
10/14/2004WO2004087977A1 Steel for spring being excellent in resistance to setting and fatigue characteristics
10/14/2004WO2004072308A3 Fine-grained martensitic stainless steel and method thereof
10/14/2004WO2004053175A3 Control of engineering processes using magnetostrictive alloy compositions
10/14/2004US20040202569 Precipitation-strengthened nickel-iron-chromium alloy and process therefor
10/14/2004US20040202567 Steel for use in high strength pinion shaft and manufacturing method thereof
10/14/2004US20040200552 High speed tool steel and its manufacturing method
10/13/2004EP1466994A1 Zinc-plated steel sheet excellent in corrosion resistance after coating and clarity of coating thereon
10/13/2004EP1466993A1 Heat resisting steel, gas turbine using the steel, and components thereof
10/13/2004EP1466024A1 Method for the production of a siderurgical product made of carbon steel with a high copper content, and siderurgical product obtained according to said method
10/13/2004EP1006208B1 Steel for thin sheet excellent in workability and method for deoxidation thereof
10/13/2004CN1537177A Iron-chrome-aluminium-alloy
10/13/2004CN1537176A Cold work steel
10/13/2004CN1170954C Steel plate, hot-dip steel plate and alloyed hot-dip steel plate and prodn. methods therefor
10/13/2004CN1170952C Golf club head
10/13/2004CN1170951C Resin cladded steel plate for thin wall-type tensile can and its used steel plate
10/13/2004CN1170947C Method for manufacturing high strength bolt excellent in resistance to delayed fracture and relaxation
10/12/2004US6803712 Cold rolled steel sheet comprising carbon, silicon, manganese, phosphorus, sulfur, aluminum, nitrogen, boron, and iron; image receiving tubes; etching, uniform within same coil, press formability
10/12/2004US6803118 Marker for use in a magnetic anti-theft security system
10/12/2004US6802883 Iron-based sintered alloy for use as valve seat and its production method
10/12/2004US6802430 Corrosion-resistant fuel tank and fuel-filler tube for motor vehicle
10/07/2004WO2004085691A1 High strength hot rolled steel sheet excelling in bore expandability and ductility and process for producing the same
10/07/2004WO2003069005A8 Use of a steel alloy as a material for pipes for producing gas cylinders, or as a material for producing moulded elements in light-gauge steel construction
10/07/2004US20040197598 High-temperature strength and high-thermal conductivity; for use in a cooling medium for casting such as casting belt, mold raw material, or electronic parts material
10/07/2004US20040197592 Gradient material molded body
10/07/2004US20040197581 Surface hardened stainless steel with improved wear resistance and low static friction properties
10/07/2004US20040197220 Steel for gas turbines
10/07/2004US20040194860 Comprised of damping steel containing cargon, chromium, silicon and nitrogen; noiselessness
10/07/2004US20040194856 Powder containing soft and hard ferromagnetic crystalline phases; heat treatment, rapid cooling; uniformity, performance
10/07/2004US20040194855 crystal structured microparticles comprising alloys of iron, silicon, aluminum, lanthanum, haydogen and optionally cobalt, nickel, chromium or manganesse, for use as refrigerants
10/07/2004US20040194576 Comprised of at least molybdenum, carbon, nickel, manganese, cobalt and iron; wear resistance; engine valve seats
10/07/2004CA2520022A1 High-strength hot-rolled steel sheet excellent in hole expandability and ductility and production method thereof
10/06/2004EP1465212A1 R-t-b based rare earth element permanent magnet
10/06/2004EP1464718A1 High-strength, heat-resistant alloy for exhaust valves with improved overaging-resistance
10/06/2004EP1274872B1 Method for the production of nitrogen alloyed steel, spray compacted steel
10/06/2004EP1200647B1 Method for producing improved cold rolled strip that is capable of being deep drawn or ironed, and cold rolled strip, preferably used for producing cylindrical containers and, in particular, battery containers
10/06/2004EP0910675B1 Hot-rolled steel strip and method of making it
10/06/2004CN1535324A Bundle drawn stainless steel fibers
10/06/2004CN1535323A Multi-phase steel sheet excellent in hole expandability and method of producing the same
10/06/2004CN1534105A Soft magnetic structure steel possessing good low temperature toughness and easy welding preformance and its manufacturing method
10/06/2004CN1170293C Process for preparing nano-class magnetic complex-phase material (Fe3B, alpha-Fe)Nd2Fe14B
10/06/2004CN1169994C Iron-nickel-chromium base cast high temperature alloy resisting metal cineration and carbonizing
10/06/2004CN1169993C High performance soft steel magnet for magnetic suspension train
10/06/2004CN1169992C Steel for mechanical structure
10/06/2004CN1169991C Thin steel plate with good machining performance and formed precision and its mfg. method
10/06/2004CN1169990C Method for preparing compound between terbium and ferro (Fe2Tb)
10/06/2004CN1169973C Heat treating method for hot die steel made of chromium interalloy
10/05/2004US6800147 High-strength steel wire excelling in resistance to strain aging embrittlement and longitudinal cracking, and method for production thereof
10/05/2004US6800145 Rare earth magnet alloy, manufacturing method thereof and product applied with rare earth magnet alloy
10/05/2004US6800144 Hot forging the steel; machining and optionally piercing the forged product; carburizing and quenching and tempering the machined steel to attain an effective case depth of 0.4 to 0.9 mm
10/05/2004US6800143 Supermagnetostrictive alloy and method of preparation thereof
10/05/2004US6799626 Melting of the alloys in a vacuum or under a low partial pressure of inert gas and subsequent casting of the melt in the graphite molds under vacuum or low partial pressure of inert gas
10/05/2004CA2118288C High quality austenetic stainless steel with high structural stability and its use
09/2004
09/30/2004WO2004083477A1 High-strength stainless steel, container and hardware made of such steel
09/30/2004WO2004083476A1 Stainless steel for high pressure hydrogen gas, vessel and equipment comprising the steel
09/30/2004WO2004044250B1 Martensitic alloy steels having intermetallic compounds and precipitates as a substitute for cobalt
09/30/2004WO2004042101B1 High temperature alloys
09/30/2004WO2003076673A8 High-resistant, low-density hot laminated sheet steel and method for the production thereof
09/30/2004US20040191109 Austenitic steel containing chromium, nickel, niobium, manganese, and iron ; heating; controlling temperature; containing niobium carbide
09/30/2004US20040187982 Hot-rolled steel strip for high strength electric resistance welding pipe and manufacturing method thereof
09/30/2004US20040187981 Pealite base rail excellent in wear resistance and ductility and method for production thereof