Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
01/2002
01/23/2002CN1078113C Process for manufacturing thin strip of ferritic stainless steel, and thin strip thus obtained
01/22/2002US6340400 Stainless steel
01/22/2002US6340399 Having specified amounts of carbon, silicon, manganese, aluminum and antimony, balance iron
01/22/2002US6340377 High-temperature wear-resistant sintered alloy
01/22/2002CA2254700C Laser clad pot roll sleeves for galvanizing baths
01/17/2002WO2002005366A1 Materials formed based on chevrel phases
01/17/2002WO2002004699A1 Surface modified stainless steel
01/17/2002WO2002004689A1 Ferritic stainless steel for ferromagnetic parts
01/17/2002US20020006350 High strength, low expansion
01/17/2002US20020006349 Computer disk drive
01/17/2002US20020006347 Air environment, controlling temperature, humidity
01/17/2002US20020005234 Galvanizing
01/17/2002US20020005231 Grain oriented electromagnetic steel sheet and manufacturing thereof
01/17/2002CA2384754A1 Ferritic stainless steel for ferromagnetic parts
01/16/2002EP1172454A1 Formed member made of steel sheet and method for producing same
01/16/2002EP1172452A2 Wear-resistant iron base alloy
01/16/2002EP1172451A1 Material for shadow mask, method for production thereof, shadow mask and image receiving tube
01/16/2002EP1007745B1 Metallurgical method for processing nickel- and iron-based superalloys
01/16/2002CN1331761A Shadow mask material for color picture tube, shadow mask and color picture tube thereof
01/16/2002CN1331758A Ultra-high strength triple phase steels with excellent cryogenic temp toughness
01/16/2002CN1331757A Ultra-high strength ausaged steels with excellent cryogenic temp. toughness
01/16/2002CN1331479A Mfg. method of magnet material, thin strip magnet material, powdered magnet material and adhered magnet
01/16/2002CN1077921C High temp resistant and wear-resistant cast steel with chromium-nickel-nitrogen-niobium
01/16/2002CN1077920C Cold rolled steel sheet for shadow mask made by low-temp. annealing and mfg. method therefor
01/15/2002US6338763 Steel wire for high-strength springs and method of producing the same
01/15/2002US6338762 Annealing after cold rolling of a steel plate are repeated after hot rolling, and then temper rolling is performed, excellent fatigue strength; sufficient level of hardness can be achieved even for a low carbon steel when temper rolling is
01/15/2002CA2083809C Corrosion-resistant nail for driving into hard materials
01/10/2002WO2002002838A1 Steel sheet for heat shrink band
01/10/2002WO2002002837A1 Corrosion resistant material
01/10/2002WO2002002836A1 Fe-cr-al based alloy foil and method for producing the same
01/10/2002WO2002002830A1 Steel compositions, method for obtaining same and parts made from same
01/10/2002WO2002002459A1 Fuel reforming reactor
01/10/2002US20020004143 Multilayer; substrates, adhesion layer
01/10/2002US20020004141 Magnet and process for its production
01/10/2002US20020004018 Dental alloys
01/10/2002US20020003008 Given alloying elements, specified weight ratio of vanadium to nitrogen; high nitrogen contents
01/10/2002US20020003006 Alloy for high-performance rare earth permanent magnet and manufacturing method thereof
01/10/2002DE10131638A1 Rare earth magnet production comprises pressing a rare earth metal alloy powder using a magnetic field to form a blank, demagnetizing, removing the blank, and demagnetizing the magnetic powder adhered to the surface of the blank
01/09/2002EP1170392A1 Ferritic stainless steel
01/09/2002EP1170391A1 High strength steel plate having improved workability and plating adhesion and process for producing the same
01/09/2002EP1170390A1 Hot-rolled steel sheet having high tensile strength and method for production thereof
01/09/2002EP1170388A1 Steel sheet for tension mask, method for producing the same and tension mask
01/09/2002EP1169487A1 Corrosion-free iron-nickel alloy for residual-current circuit-breakers and clockworks
01/09/2002EP1169486A1 Method of producing a hot-rolled strip
01/09/2002EP1169485A2 Ultra-high strength ausaged steels with excellent cryogenic temperature toughness
01/09/2002EP1015653B1 Metallurgical vessel
01/09/2002EP0913492B1 Low heat expansion alloy
01/09/2002CN1330725A Fe-Ni alloy for tension mask and tension mask using it and color CRT
01/09/2002CN1330723A Method of producing molten iron in duplex furnaces
01/09/2002CN1330373A Manufacturing method for rear-earth magnet and powder pressing device
01/09/2002CN1330372A Magnet powder, manufacturing method for magnetic powder and binding magnet
01/09/2002CN1330225A Mutually matched basic material of blade and lubricant for compressor
01/09/2002CN1330166A Microalloyed low-carbon bainite ferrite steel and its preparing process
01/09/2002CN1330165A Band steel for shadow mask and its preparing process
01/09/2002CN1077601C Method for producing silicon-chromium grain oriented electrical steel
01/09/2002CN1077468C Steel-band casting method
01/03/2002WO2002000956A1 Composition and method for the production of multiphase steels
01/03/2002WO2002000955A1 Raw material for shadow mask for color image receiving tube
01/03/2002WO2002000954A1 Soft magnetic alloy powder for electromagnetic wave absorbing sheet, electromagnetic wave absorbing sheet, and method for manufacturing them
01/03/2002WO2001042524A3 Low carbon, low chromium carburizing high speed steels
01/03/2002US20020001423 Ball bearing
01/03/2002US20020000267 Machine structural steel contains carbide precipitated under a heat treatment for spheroidizing
01/03/2002US20020000266 High strength steel sheet and method for manufacturing the same
01/03/2002US20020000265 Cold and hot rolled steel sheet; annealing forms chromium spinel oxide layer under surface and forsterite coating on surface
01/03/2002US20020000262 Anisotropic alloy of rare earth metal, transition metal and/or boron, carbon, nitrogen and oxygen; making crystalline alloy material amorphous, recrystallizing; use in motors and sensors
01/03/2002DE10030100A1 Rolls used for hot and cold rolling slabs, blocks or billets have box grooves for the thermomechanical deformation of metals and metal alloys based on cobalt-containing ledeburitic iron alloys
01/02/2002EP1168380A1 Thin strip magnet material, magnet powder and rare earth bond magnet
01/02/2002EP1167791A2 Rolling shaft
01/02/2002EP1167562A1 Alloy for making a special steel for cold-working tools
01/02/2002EP1167561A2 Carburizing and carbonitriding steel
01/02/2002EP1165276A2 Method of manufacturing metallic products such as sheet by cold working and flash annealing
01/02/2002CN1329179A High-strength bolt steel
01/02/2002CN1329178A Delayed crack high strnegth steel
01/02/2002CN1329176A Method for manufacturing grain orientation electric steel plate with good magnetic property
01/02/2002CN1077148C Drawing stock for reinforcing plastic or rubber articles
01/02/2002CN1077147C Fe-Ni alloy of electronic element
01/02/2002CN1077146C Fe-Ni alloys for electron gun parts and punched electron gun parts
01/02/2002CN1077145C Steel sheet or steel band, method for its manufacture and use
01/02/2002CN1077142C Process for production of oriented-grain electrical steel sheet with high magnetic characteristics
01/01/2002US6335105 For forming part for a gas turbine engine, heat resistance
01/01/2002US6334977 Powder material for powder plasma overlaying and powder plasma overlaying metal
01/01/2002US6334910 Steel sheet containing specified amounts of carbon, silicon, manganese, phosphorus, sulfur, aluminum and nitrogen, having specified average diameter of crystal grains and surface roughness before coating with resin
12/2001
12/27/2001WO2001098552A1 Thin steel sheet and method for production thereof
12/27/2001WO2001098551A1 Steel sheet for porcelain enamel excellent in forming property, aging property and enameling characteristics and method for producing the same
12/27/2001WO2001098550A1 Non-oriented electromagnetic steel sheet and method for production thereof
12/27/2001US20010054456 0.5 to 1.0% of C, 1.0% or less of Si, 0.3 to 1.0% of Mn, 5.0 to 12.0% of Cr, 0.5 to 2.0% of Mo, 0.1 to 0.3% of V, the balance being Fe
12/27/2001US20010054453 TbCu7 type crystal phase as a principal phase; nitriding treatment to a mother alloy is carried out in a mixed gas of ammonia gas and hydrogen gas
12/26/2001CN1328170A Nitrated steel with improved wear-resisting and fatigue strength-resisting features and its sliding structural part
12/26/2001CN1328169A Middle-alloy chromium series hot die steel
12/26/2001CN1328168A High-nitrogen steel
12/26/2001CN1076853C Method for making Nd-Fe-B series permanent magnet by using leftover bits and pieces of material
12/26/2001CN1076761C Method for mfg. high strength and high formability hot-rolled transformation induced plasticity steel containing copper
12/26/2001CN1076760C Frame steel of plastic mould and its manufacturing method
12/26/2001CN1076656C Process for treating body of stainless steel and rubber/stainless steel composition
12/25/2001US6333124 Metal outer can for a battery and method of manufacturing same
12/25/2001US6333001 Micro-alloyed steel rolling bearings
12/25/2001US6332938 Iron based member
12/25/2001US6332936 Thermomechanical processing of plasma sprayed intermetallic sheets
12/25/2001US6332934 Martensitic stainless steel for seamless steel pipe
12/25/2001US6332933 Permanent magnet with rare earth, iron, cobalt metal alloys