Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
04/2000
04/04/2000US6045630 High-toughness, high-tensile-strength steel and method of manufacturing the same
04/04/2000US6045629 35 to 60 % by weight of at least one rare-earth element (r) selected from the group consisting of neodymium, dysprosium and praseodymium, 1% by weight or less boron, and balance iron; specific volume fraction of r2fe17 phase; crushability
04/04/2000US6045627 Siliconizing a low silicon steel sheet in nonoxidizing gas and silicon tetrachloride(sicl4), sicl4-free heat treatment, cooling at given rate; grain boundaries, carbide precipitated on boundaries; high silicon steel sheet with good workability
04/04/2000CA2181918C Long-life induction-hardened bearing steel
03/2000
03/30/2000DE19925694A1 High resistivity iron-chromium-aluminum alloy used for low temperature heating equipment e.g. electric ovens, domestic appliances and heating units, contains additions of silicon and titanium
03/29/2000EP0989697A1 Multiple antenna home base for digital cordless telephones
03/29/2000EP0989196A1 High-strength heat-resistant steel, process for producing high-strength heat-resistant steel, and process for producing high-strength heat-resistant pipe
03/29/2000EP0988497A1 Improved multi-component refrigeration process for liquefaction of natural gas
03/29/2000EP0777756B1 Duplex stainless steel, and its manufacturing method
03/29/2000EP0625583B1 Material for friction parts intended to operate in a lubricated environment and method for producing such material
03/29/2000CN1249008A Process for the inhibition control in the production of grain-oriented electrical sheets
03/29/2000CN1249007A Process for the inhibition control in the production of grain-oriented electrical sheets
03/29/2000CN1249006A High-tensile-strength steel and method of manufacturing the same
03/29/2000CN1248639A Technology for producing iron-base alloy powder metallurgical products
03/29/2000CN1248637A Ferro-titanium base hydrogen storage alloy
03/28/2000US6043596 Composite shadow mask and cathode ray tube incorporating same
03/28/2000US6042952 Extremely-thin steel sheets and method of producing the same
03/28/2000CA2160621C Method of producing molten aluminum-killed steel for thin steel sheet
03/28/2000CA2085790C Steel for use in exhaust manifolds of automobiles
03/22/2000EP0987851A1 Multiple antenna home base for digital cordless telephones
03/22/2000EP0987343A1 Grain-oriented silicon steel sheet and process for production thereof
03/22/2000EP0987342A1 High strength non-magnetic stainless steel and method for producing the same
03/22/2000EP0987341A1 Silicon steel sheet and method for producing the same
03/22/2000EP0987340A1 High strength phosphorus-containing steel and method for producing the same
03/22/2000EP0987166A1 A structural element for a motor vehicle
03/22/2000EP0708183B1 High-carbon steel rod wire or steel wire excellent in workability in wire drawing and process for producing the same
03/22/2000CN1247905A Use of high-strength stainless steel
03/22/2000CN1050639C Iron/nickel alloy shadow mask
03/21/2000US6039920 Process for making rhenium-containing alloys
03/21/2000US6039818 Grain-oriented electromagnetic steel sheet and process for producing the same
03/16/2000WO2000014292A1 Stainless steel for engine gasket and production method therefor
03/16/2000WO2000014288A1 Method for producing cold-rolled bands or sheets
03/16/2000DE19909810A1 Steel composition for hot working
03/16/2000DE19840788A1 Verfahren zur Erzeugung von kaltgewalzten Bändern oder Blechen A process for producing cold-rolled strips or sheets
03/16/2000CA2342934A1 Method for producing cold-rolled bands or sheets
03/15/2000CN1050388C Method of forming drive axle shafts and alloy for making same
03/14/2000US6037287 Laser clad pot roll sleeves and bushings for galvanizing baths
03/14/2000US6036917 Corrosion resistant austenitic stainless steel
03/14/2000US6036790 Non-tempered steel for mechanical structure
03/14/2000US6036742 Finely divided phosphorus-containing iron
03/09/2000WO2000012773A1 Method for manufacturing high adherence enamel-coating steel sheet with superior formability
03/09/2000WO2000012772A1 Aperture grill material for color picture tube, production method thereof, aperture grill and picture tube
03/09/2000WO2000012771A1 Alloy for use in preparation of r-t-b-based sintered magnet and process for preparing r-t-b-based sintered magnet
03/09/2000WO2000012768A1 Simple ladle refining method
03/09/2000WO2000012268A1 Abrasion, corrosion, and gall resistant overlay alloys
03/09/2000DE19941411A1 Heat resistant steel, especially for use in the electrical power generating, nuclear and chemical industries, has a ferritic or tempered martensitic structure with palladium- and-or platinum-containing intermetallic compound phases
03/08/2000EP0984072A1 Oxide dispersion steel
03/08/2000EP0868540B1 Free machining stainless steel and components for automotive fuel and exhaust systems made therefrom
03/08/2000CN1246545A Improved stainless steel alloy and method for preparing thereof
03/08/2000CN1246544A Oversaturably caerbonized rare-earth steel for tools or dies
03/08/2000CN1246543A Energy-saving soft magnetic alloy sheet
03/08/2000CN1050156C Ferritic-austenitic stainless steel
03/08/2000CN1050155C Niobium alloy cast steel cartridge and its manufacturing method
03/08/2000CN1050096C Stainless wire used for tyre frame
03/07/2000US6034450 Stepping motor and method of manufacturing hard magnetic alloy therefor
03/07/2000US6033626 Heat-resistant cast steel having high resistance to surface spalling
03/07/2000US6033625 Parts of electronic devices made of ferritic free cutting stainless steel
03/07/2000US6033623 Method of manufacturing iron aluminide by thermomechanical processing of elemental powders
03/07/2000US6033536 Magnetron sputtering method and sputtering target
03/07/2000US6033497 Pitting resistant duplex stainless steel alloy with improved machinability and method of making thereof
03/07/2000US6033496 High fatigue strength gear
03/07/2000CA1340922C Method of producing stainless molten steel by smelting reduction
03/02/2000WO2000011235A1 Surface treated rolling bearing and manufacturing method thereof
03/02/2000WO2000010743A1 Composite roller mill for hot-rolling mills
03/02/2000DE19940022A1 Piston ring, especially the second pressure ring of a direct injection diesel engine, consists of a surface nitrided steel of relatively low chromium content
03/02/2000DE19938936A1 Ferrous metal parts are produced by quenching and heat treating an iron-carbon-silicon-manganese-nickel alloy of specified composition, to achieve high Young's modulus and high toughness
03/02/2000DE19837311A1 Wheel tire or solid wheel, especially for high speed train wheel sets, consists of a special rolling contact bearing steel of specified composition
03/01/2000EP0981822A1 HIGH STRENGTH, DUCTILE, Co-Fe-C SOFT MAGNETIC ALLOY
03/01/2000CN1246161A High-strength steel sheet highly resistant to dynamic deformation and excellent in workability and process for production thereof
03/01/2000CN1049927C Method for making non-aging canned steel plate with good working performance
02/2000
02/29/2000US6031341 Miniaturized transformer and inverter circuit and discharge tube glow circuit including such miniaturized transformer
02/29/2000US6030714 Zinc-alloy hot-dip-coated steel sheet which has oxides of elements more oxidizable than iron just under a coated layer
02/29/2000US6030472 Method of manufacturing aluminide sheet by thermomechanical processing of aluminide powders
02/29/2000US6030469 Fully martensitic steel alloy
02/23/2000EP0980961A1 Steam turbine blade, method of manufacturing the same, steam turbine power generating plant and low pressure steam turbine
02/23/2000EP0980915A1 Stainless steel product having enhanced antibacterial action and method for producing the same
02/23/2000EP0980444A1 Steel compositions and methods of processing for producing cold-formed and carburized components with fine-grained microstructures
02/23/2000EP0769078B1 Free-machining austenitic stainless steel
02/23/2000CN2365436Y Formation clips
02/23/2000CN1245220A Method for producing iron-base workpiece with high Young's modulus and toughness
02/23/2000CN1049700C Low alloy steel for manufacture of molds for plastics and for rubber
02/23/2000CN1049699C Hot rolled ferritic steel used for car exhausting material
02/23/2000CN1049698C Microdeformable air hardening tool steel
02/23/2000CN1049697C Steel sheet having excellent processing characteristics and manufacturing method therefor
02/22/2000US6027587 Treating an austenite phase steel havign a mean grain size greater than 50 microns before any transformation has commenced to induce a rapid complete transformation to an ultrafine microstructure in one or more zones
02/22/2000US6027581 Excellent deep drawability and excellent anti-aging properties, and manufacturing method; contains carbon, silicon, manganese, phosphorus, sulfur, aluminum, nitrogen and titanium, the balance iron in given weight %
02/22/2000US6027577 Applying nitriding treatment to a coiled valve spring made of an oil-tempered wire; first shot-blasting cut wires while the coiled valve spring is rotated in a roller-type shot machine and second for longer time in a tumbling shot machine
02/22/2000US6027576 Rare earth element-iron-boron permanent magnet and method for the manufacture thereof
02/22/2000CA2100656C Austenitic high manganese steel having superior formability, strengths and weldability, and manufacturing process therefor
02/17/2000WO2000008223A1 Oxidation-resistant metal foil
02/17/2000WO2000008222A1 Method for making an iron-aluminium intermetallic alloy reinforced with ceramic dispersoids and resulting alloy
02/17/2000WO2000008221A1 Rolled steel product excellent in weatherability and fatigue resisting characteristic and method of production thereof
02/17/2000DE19935148A1 Rolling contact bearing, e.g. for turbocharger or metal machining tool, has carbonitrided chromium-molybdenum-silicon steel or precipitation hardened chromium-molybdenum-silicon-titanium steel components
02/17/2000CA2305775A1 Structural steel excellent in wear resistance and fatigue resistance property and method of producing the same
02/16/2000EP0592667B1 Highly heat resistant metallic carrier for automobile catalyst
02/16/2000CN1244596A High-strength steel bar for prestressed concrete and its production process
02/16/2000CN1244595A Steel wire for prestressed concrete and its production process
02/15/2000US6025673 Magnetic shield material, production method thereof and color image tube assembling the material
02/15/2000US6024916 Cast cold tool and method for producing the same
02/15/2000US6024809 Fe-Ni alloy materials for electronic parts