Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
02/2003
02/27/2003WO2003017293A1 Permanent magnet for electromagnetic device and method of making
02/27/2003WO2003017290A1 Production method for conductive paste and production method for printed circuit board
02/27/2003WO2003015944A1 Furnace run length extension by fouling control
02/27/2003WO2002086176A8 Ferritic heat-resistant steel and method for production thereof
02/27/2003US20030039574 For metallurgy; corrosion resistance; wear resistance; for use in medical engineering (prostheses, implants, medical tools)
02/27/2003US20030038271 Corrosion resistant magnetic alloy an article made therefrom and a method of using same
02/26/2003EP1285101A1 Electroplating annealed thin sheets and method for producing the same
02/26/2003EP1285097A1 Martensitic stainless steel and seamless steel pipes produced with it
02/26/2003CN1399002A Deformation induced aging-type iron-base shape memory alloy and its prepn process
02/26/2003CN1399001A Steel plate for barrel and its making process and barrel
02/26/2003CN1399000A Pressed Fe-Ni alloy and Fe-Ni-Co alloy thin belt for planar aperture mask
02/26/2003CN1398999A Technological process of producing Al and B-containing high-strength microalloy steel
02/26/2003CN1398998A Low-temperature seam-less carbon steel pipe
02/26/2003CN1102180C Wire materials with high drwable property and manufacture thereof
02/25/2003US6524726 Cold-rolled steel sheet and galvanized steel sheet, which are excellent in formability, panel shapeability, and dent-resistance, and method of manufacturing the same
02/25/2003US6524406 Comprising iron, manganese, silicon, and niobium carbide; clamping members, pipes
02/25/2003US6524405 Solid solution of iron-aluminum-chromium-carbon; oxidation resistance, ductility; turbochargers
02/25/2003US6524400 Continuous casting steel melt into strands; cooling, solidification, dividing into thin slabs; equalization in furnace; coiling, decarbonization, recrystallization, cold rolling, annealing, coating, stress relieving
02/25/2003US6523416 Method for setting shape and working stress, and working environment of steel member
02/20/2003WO2003014408A1 Steel material having high toughness and method of producing steel pipes using the same
02/20/2003WO2003014263A1 Metal dusting resistant copper based alloy surfaces
02/20/2003US20030035889 Cleaning the alloy surface of iron and chromium, aluminum and or silicon by pigging; passivating the alloy surface by steaming to form a mixed-oxide protective layer on the surface; corrosion resistance against harmful sulfur compounds
02/20/2003US20030034101 Low-alloy heat-resistant steel, heat treatment method therefor, and turbine rotor comprising the same
02/20/2003US20030034100 Cold rolling; tensile strength, ductility, hardening
02/20/2003US20030034092 Method of manufacturing grain-oriented electrical steel sheet
02/20/2003US20030034091 Iron alloy strip for voice coil motor magnetic circuits
02/19/2003EP1284300A2 Wear resistant sintered member and process of manufacture therefor
02/19/2003EP1284174A1 Hoop for CVT belt and manufactoring method therefor
02/19/2003CN1398303A Fe-ni-co alloy for completely flat mask of press-formed type, and completely flat mask and color cathode-ray tube using same
02/19/2003CN1398302A Steel plate to be precipitating Tin+Zrn for welded structures, method for mfg. same and welding fabric using same
02/19/2003CN1101860C Stainless steel powder
02/19/2003CN1101857C Method for producing raw plate for surface treatment plate for can using continuous annealing
02/19/2003CN1101856C Formed rolled piece and mfg. method thereof
02/18/2003US6522041 Permanent magnet motor flux rings
02/18/2003US6521057 High-strength high-toughness steel products
02/18/2003US6521056 Stainless steel sheet has a composition containing, by weight % carbon not more than 0.02% manganese 1.5%, chromium 15%, nickel 0.05-2.0%, molybdenum 1.0 to 2.0% niobium 0.2 to 0.8% aluminum not more than 1%, nitrogen 0.02%, balance is iron
02/18/2003US6521054 Magnetic powder and isotropic bonded magnet
02/18/2003US6520868 Steel alloy which contains maximum amounts of 0.03% of C by weight, 0.20.6% of Si by weight, maximum amounts of 0.15% of Mn by weight, maximum amounts of 0.03% of P by weight, maximum amounts of 0.03% of S weight, maximum amounts of 0.15% of Mn,
02/13/2003WO2003012802A1 Method for producing nanocomposite magnet using atomizing method
02/13/2003WO2003012156A1 Method for making a mechanical component, and resulting mechanical component
02/13/2003US20030029599 Process for manufacturing carbon-steel strip by twin-roll continuous casting, product produced and apparatus
02/13/2003US20030029595 Gating system
02/13/2003US20030029528 To produce coating on metal for inhibiting metal dusting corrosion of surfaces exposed to supersaturated carbon environments
02/12/2003EP1283277A1 Steel having excellent properties of workability by machine tools and, after a hardening thermal treatment, excellent mechanical properties and process for the production thereof
02/12/2003EP1283276A1 Iron alloy strip for voice coil motor magnetic circuits
02/12/2003EP1283275A1 Fe-Ni based permalloy and method of producing the same and cast slab
02/12/2003EP1283254A1 Hydrocarbon cracking process in which a protective layer for a steel portion of the reactor is used
02/12/2003EP1190187B1 Cvt/ivt component
02/12/2003CN1396963A Steel plate to be precipitating TiN+MnS for welded structures, method for manufacturing the same and welded structure using the same
02/12/2003CN1396960A Method for grain refining of steel, grain refining alloy for steel and method for producing grain refining alloy
02/12/2003CN1396295A High-extension steel plate with good drawing property and strain ageing hardness property and its manufacturing method
02/12/2003CN1396294A Steel series with high linear energy and low weld crack sensitivity and its preparing process
02/12/2003CN1396293A Rare-earth alloy material, its preparing process and its application as cathode in electrolysis industry
02/12/2003CN1396292A Low-cost grinding ball
02/12/2003CN1101482C Steel sheet for can and manufacturing method thereof
02/12/2003CN1101481C Fe-Nially for tension mask and tension mask using it and colour CRT
02/11/2003US6517955 High strength galvanized steel plate excellent in adhesion of plated metal and formability in press working and high strength alloy galvanized steel plate and method for production thereof
02/11/2003US6517644 Rolling bearing and method manufacturing the same
02/11/2003US6517643 Steel having excellent outer surface SCC resistance for pipeline
02/11/2003CA2297469C High strength spring steel
02/11/2003CA2134665C Composite shot
02/06/2003WO2003010353A1 Bundle drawn stainless steel fibers
02/06/2003WO2003010352A1 FREE-MACHINING Fe-Ni-Co ALLOY
02/06/2003WO2003010351A1 Multi-phase steel sheet excellent in hole expandability and method of producing the same
02/06/2003US20030026723 High-toughness wear-resistant steel
02/06/2003US20030024614 Refining element for a refining disc
02/06/2003US20030024612 Corrosion resistant material
02/06/2003US20030024610 Steel wire rod for hard drawn spring,drawn wire rod for hard drawn spring and hard drawn spring, and method for producing hard drawn spring
02/06/2003US20030024609 Particularly suited to applications where such heat resisting steel are used as turbine members such as turbine rotors, turbine blades, turbine disks, bolts, or piping, and the like.
02/06/2003US20030024607 Powder magnetic core
02/05/2003EP1281785A2 Austenitic stainless steel for cold deformation which may be followed by machining
02/05/2003EP1281784A2 Electric resistance material
02/05/2003EP1281783A1 Stainless steel for ozone added water and manufacturing method thereof
02/05/2003EP1281782A1 Hot rolled wire or steel bar for machine structural use capable of dispensing with annealing, and method for producing the same
02/05/2003EP1281778A2 Method of manufacturing grain-oriented electrical steel sheet
02/05/2003EP1281777A1 Rolled h-shaped steel having uniform microstructure and uniform mechanical properties and method for producing the same
02/05/2003EP1281182A1 Iron-cobalt alloy, in particular for electromagnetic actuator mobile core and method for making same
02/05/2003EP0933440B1 Case hardened steel excellent in the prevention of coarsening of particles during carburizing thereof, method of manufacturing the same, and raw shaped material for carburized parts
02/05/2003CN1395625A 铬钢合金 Chrome steel alloy
02/05/2003CN1395624A Steel plate to be precipitating Tin+CuS for welded structures, method for mfg the same, welding fabric using the same
02/05/2003CN1395623A High tensile strength hot dip plated steel sheet and method for production thereof
02/05/2003CN1395264A Non-interstitial 3:29 phase rare earth permanent magnetic material and its preparation method
02/05/2003CN1100892C Saw edge material for metal band saw and metal band saw manufactured therefrom
02/05/2003CN1100890C High-temp. high-strength antioxidant anticorrosive austeite alloy
02/05/2003CN1100885C Method for mfg. cold rolled steel sheet excellent in resistance to natural aging and panel properties
02/04/2003US6514631 Heating furnace tube and method of manufacturing the same
02/04/2003US6514359 Heat resistant steel
01/2003
01/30/2003WO2003008654A1 Ultra-high magnetic flux density unidirectional electrical sheet excellent in high magnetic field iron loss and coating characteristics and production method therefor
01/30/2003US20030021716 Cold working; machining
01/30/2003US20030021715 Chromium, iron alloy; pressing, sintering
01/30/2003US20030019549 Low-alloy carbon steel for the manufacture of pipes for exploration and the production of oil and/or gas having an improved corrosion resistance, a process for the manufacture of seamless pipes, and the seamless pipes obtained therefrom
01/29/2003EP1279747A2 A method of manufacturing grain-oriented electrical steel sheets
01/29/2003EP0903418B1 Steel having excellent machinability and machined component
01/29/2003CN1394238A Sintered sprocket
01/29/2003CN1394237A High tensile hot rolled steel sheet and method for production thereof
01/29/2003CN1394146A 高尔夫球杆 Golf clubs
01/29/2003CN1393574A High-strength alloy strip for corroding plane screen frame with fine perforating permanent
01/29/2003CN1100161C Antifriction cast steel containing chromium and tungsten sulfide
01/29/2003CN1100160C High-strength alloy with constant elasticity at high temp and its preparing process
01/29/2003CN1100159C Low-alloy steel for oil casing pipe cable of resisting corrosion of CO2 and sea water