Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
08/2002
08/22/2002WO2002050314A3 Process for the production of grain oriented electrical steel strips
08/22/2002US20020114724 Steel containing carbon 0.11 to 0.22%, manganese: 0.1 to less than 0.5%, chromium and/or molybdenum 0.1 to 0.5%, and boron .0005 to 0.005%; excellent in corrosion resistance, plating and spot weldability
08/22/2002US20020112795 Heat treated stainless hydraulic components and method for making same
08/22/2002US20020112787 High-strength race and method of producing the same
08/22/2002US20020112786 High-hardness prehardened steel for cold working with excellent machinability, die made of the same for cold working, and method of working the same
08/22/2002DE10103290A1 Stahl und Verfahren zur Herstellung eines Zwischenproduktes Steel and process for the preparation of an intermediate
08/21/2002EP1233472A1 Electromagnetic wave absorbent and method for producing the same
08/21/2002EP1233429A2 FeCoNiN-based soft magnetic thin film composition
08/21/2002EP1233080A1 Steel for plastic molds and process of heat treatment thereof
08/21/2002EP1233079A1 Cold reduced enamelling steel sheet and an enamelled structure comprising a component of such a steel sheet
08/21/2002CN1364944A Austenite stainless steel wire low cracking sensitivity during forming and its preparing method
08/21/2002CN1089376C Steel sheet for two-piece battery can excellent in moldability, secondary work embrittlement resistance and corrosion resistance
08/21/2002CN1089373C Process for the inhibition control in the prouction of grain-oriented electrical sheets
08/20/2002US6436555 Zinc-comprising-plated high tension steel sheet
08/20/2002US6436340 Weatherable steel material
08/20/2002US6436339 Cast B2-phase iron-aluminum alloys with improved fluidity
08/20/2002US6436338 Corrosion resistant and wear resistant;
08/20/2002US6436202 Heat/soak treatment in low oxidizing atmosphere to deplete surface of nickel and iron and enrich with chromium and manganese; reduced rate of catalytic coking
08/20/2002CA2050208C Manufacturing process for products with very high fracture loads from unstable austenitic steel and use thereof
08/15/2002WO2002063058A1 Thin steel sheet and method for production thereof
08/15/2002WO2002063056A1 Steel excellent in resistance to sulfuric acid dew point corrosion and preheater for air
08/15/2002WO2002063055A1 Heat-treated steel wire for high strength spring
08/15/2002WO2002062510A1 Iron base rare earth alloy powder and compound comprising iron base rare earth alloy powder, and permanent magnet using the same
08/15/2002WO2002050315A3 Process for the production of grain oriented electrical steel strips
08/15/2002US20020110476 Heat and corrosion resistant cast stainless steels with improved high temperature strength and ductility
08/15/2002US20020108684 Drawing a composite, removing a portion of one of the alloy components from the fine composite fiber to provide a proper volumetric relationship and heating to convert into the desired metallic alloy
08/15/2002US20020108681 Heat treatment comprising the steps of normalizing the heat resistant steel, and oil-cooling the normalized heat-resisting steel to a temperature of <300 degrees C.; high heat resistance and mechanical strength; steam turbine rotors
08/15/2002US20020108680 Increased durability by the distribution of a dispersion of hard carbide precipitates; steel includes chromium and carbon; carbides of titanium, niobium, zirconium, vanadium and/or tungston; weaving machines and agricultural machinery
08/14/2002EP1231289A1 Steel pipe having high formability and method for producing the same
08/14/2002EP1230411A1 Method for fabricating vehicle components and new use of a precipitation hardenable martensitic stainless steel
08/14/2002EP0944910B1 Display unit for use in a magnetic anti-theft system
08/14/2002EP0796352B1 Ultra-high strength steels and method thereof
08/14/2002DE10158306A1 Mechanische Schmelzsicherung und Verfahren zu ihrer Herstellung Mechanical fuse and process for their preparation
08/14/2002CN1364205A 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, battey
08/14/2002CN1363712A High-strength alloyed cast steel with high resistance to wear and impact and its preparing process
08/14/2002CN1363711A Xy30钢及其应用 Xy30 Steel and Its Applications
08/14/2002CN1363710A Ferritic stainless steel with excellent machinability and production thereof
08/14/2002CN1363694A Heat treating technology of 30CrMnSi steel for higher toughness and antiwear nature
08/14/2002CN1089119C Sulphuric acid resistant stainless steel
08/13/2002US6432557 Metal matrix composite and piston using the same
08/13/2002US6432228 Ferritic stainless steels for strain free metals for automobiles
08/13/2002US6432227 Electromagnetic steel sheet and process for producing the same
08/13/2002US6432222 Method for producing a grain-oriented electrical steel sheet excellent in magnetic properties
08/13/2002CA2094200C Austenitic stainless steel with high workability and with improved cold working properties
08/08/2002WO2002061162A1 Heat-resistant martensite alloy excellent in high-temperature creep rapture strength and ductility and process for producing the same
08/08/2002WO2002061161A1 High strength steel sheet having excellent formability and method for production thereof
08/08/2002WO2001094648A3 High-cleanliness steel and process for producing the same
08/08/2002WO2001031071A9 Processing of intermetallic alloys
08/08/2002US20020106532 Soft magnetic film having improved resistivity
08/08/2002US20020106299 0.1 to 0.4 aluminum, 0.001 to 0.008 calcium, 0.002 to 0.1 magnesium, 0 to 0.08 carbon, 0 to 1 manganese, 18 to 22 nickel, 18 to 22 chromium, and the balance iron and incidental impurities; minimal residual titanium; weldable
08/08/2002US20020104592 Such as a steel pipe, for example, casing, tubing, drill pipe; used in oil and gas wells while it is exposed to a sour gas environment.
08/08/2002US20020104586 FR-CR soft magnetic material and a method of manufacturing thereof
08/07/2002EP1229142A1 High strength, high corrosion-resistant and non-magnetic stainless steel
08/07/2002EP1228260A1 Iron-silicon alloy and alloy product, exhibiting improved resistance to hydrogen embrittlement and method of making the same
08/07/2002EP1228255A1 Method for production of a hot rolled strip
08/07/2002EP1228254A1 Method for making carbon steel bands, in particular packaging steel bands, and resulting bands
08/07/2002EP1228253A1 Steel composition, method for making same and parts produced from said compositions, particularly valves
08/07/2002EP0990055B1 Improvements to steel for forming tools
08/07/2002EP0834580B1 Alloy having high corrosion resistance in environment of high corrosiveness, steel pipe of the same alloy and method of manufacturing the same steel pipe
08/07/2002EP0767248B1 Oxidation-resistant metallic material
08/07/2002EP0762922B1 Metal filter for high temperature applications
08/07/2002CN1363101A Thin permanent-magnet film and process for producing same
08/07/2002CN1362308A Rotary kiln process of producing reducing ilmenite powder for welding electrode
08/07/2002CN1088764C Ferritic stainless steel plate of high deep drawability and ridging resistance and method of mfg. same
08/07/2002CN1088763C Fe-Ni series alloy for shadow mask use
08/07/2002CN1088760C Method for manufacturing high magnetic flux density grain oriented electrical steel sheet based on low temperature slab heating method
08/06/2002US6428744 Sliding contact material, sliding contact element and producing method
08/06/2002US6428633 Steel which can decrease residual stress of weld zone
08/06/2002US6428632 Non-oriented electromagnetic steel sheet having reduced magnetic anisotropy in high frequency region and excellent press workability
08/06/2002US6428631 High-strength steel sheet having excellent formality and resistance to softening of the heat affected zone after welding
08/06/2002US6427759 Alloy containing silicon; reducing defects
08/01/2002WO2002059390A1 Bearing material
08/01/2002WO2002059389A2 Steel and method for producing an intermediate product
08/01/2002WO2002059388A1 Sintered ferrous material containing copper
08/01/2002WO2002059384A2 High-strength isotropic steel, method for making steel plates and resulting plates
08/01/2002US20020102318 Die for die compacting of powdered material
08/01/2002US20020102178 Shape, hardness
08/01/2002US20020100648 Sintered material for a magnetic track brake
07/2002
07/31/2002EP1227168A1 Ferritic stainless steel sheet for fuel tank and fuel pipe and method for making the same
07/31/2002EP1227167A1 Hot dip zinc plated steel sheet and method for producing the same
07/31/2002EP1227163A2 Grain oriented electrical steel sheet with low iron loss and production method for same
07/31/2002EP1226031A2 Method for producing multi-phase composite materials
07/31/2002EP0789785B1 Ferritic heat-resistant steel having excellent high temperature strength and process for producing the same
07/31/2002CN1361306A Petroleum casing resisting stress corrosion of H2S and its production process
07/31/2002CN1361305A High-strength cold-rolled steel sheet with excellent geomagnetic shielding character, its producing mehtod and use
07/31/2002CN1361304A Method for producing high-strength electroplating steel plate and plating steel plate with excellent geomagnetic shielding character
07/31/2002CN1361303A TP65 steel level petroleum casing and its manufacture
07/31/2002CN1361302A Zinc-containing electroplating high-stregnth steel plate
07/31/2002CN1088474C Method for producing ultra-high strength, weldable steels with superiortoughness
07/30/2002US6426040 Si(Ge)-Cu-V steel alloy
07/30/2002US6426039 High temperature heat resistance, aging resistance
07/30/2002US6426038 High strength, ductility, toughness
07/30/2002US6425963 High tensile strength hot-rolled steel sheet
07/25/2002WO2002057503A1 Grain-oriented magnetic steel sheet having no undercoat film comprising forsterite as primary component and having good magnetic characteristics
07/25/2002US20020098367 Stainless steel sheet selected from an austenite-type stainless steel sheet, a ferrite-type stainless steel sheet and a two phase-type stainless steel sheet
07/25/2002US20020098107 Soft Cr-containing steel
07/25/2002US20020096318 Cylindrical tube for industrial chemical installations
07/25/2002US20020096309 Gradient material molded body
07/25/2002US20020096232 Specified number of non-metallic inclusions; low pin hole defects or press cracks originating at inclusions; use in electric motor housings or oil filter housing
07/24/2002EP1225242A2 Ferritic stainless steel sheet with excellent workability and method for making the same