| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 07/04/2001 | CN1302340A Martensite stainless steel for seamless steel tube |
| 07/04/2001 | CN1301689A Device and method for producing (methyl) propenoic acid |
| 07/04/2001 | CN1068073C Use of iron based alloy for mfg. plastic mould |
| 07/04/2001 | CN1068072C Process for producing ferritic stainless steel having improved corrosion resistance |
| 07/04/2001 | CN1068071C Wear resisting sintered alloy and its production, and roll wheel made therefrom |
| 07/04/2001 | CN1068069C zinc plated steel plate with good anti-grainy defect and its producing method |
| 07/04/2001 | CN1068059C Excellent machining property steel and steel sheet by electric furnace-vacuum degasifying process, and mfg. method thereof |
| 07/03/2001 | US6255005 Composite magnetic member, method of producing ferromagnetic portion of same, and method of forming non-magnetic portion of same |
| 07/03/2001 | US6254698 Ultra-high strength ausaged steels with excellent cryogenic temperature toughness and method of making thereof |
| 07/03/2001 | US6254697 Which contains c, si, mn, ni, cr, mo, v, w, nb and/or ta, b, ti, al, n, o, p and s in predetermined proportions, the balance being fe, improved impact resistance (weldability) and toughness while maintaining its creep rupture strength |
| 07/03/2001 | US6254696 Bainitic type rail excellent in surface fatigue damage resistance and wear resistance |
| 07/03/2001 | US6254659 Additionally having an iron-free and boron-free phase in alloy with cobalt and gallium, manufactured by powder metallurgy that exhibits an enhanced sinterability compared to the known magnets upon reduction of the binder alloy |
| 07/03/2001 | CA2123470C Ferritic stainless steel exhibiting excellent atmospheric corrosion resistance and crevice corrosion resistance |
| 06/28/2001 | WO2001046969A1 Method for producing rod-shaped permanent magnets |
| 06/28/2001 | WO2001046485A1 Direct patenting high strength wire rod and method for producing the same |
| 06/28/2001 | WO2001046480A1 Steel sheet for tension mask, method for producing the same and tension mask |
| 06/28/2001 | WO2000077268A3 Ivt component |
| 06/28/2001 | US20010005763 A reboiler of a distillation column for producing acrylic or methacrylic acid by catalytic gas phase oxidation, wherein at least a part of reboiler is made of a nickel-chromium-iron alloy with molybdenum 3 to 20 mass %, but not including 3% |
| 06/28/2001 | US20010005523 Cooking vessel for induction heating and alloy and method for producing such a vessel |
| 06/28/2001 | US20010004910 Superior mechanical characteristics, reduced anisotropy in its mechanical characteristics and high formability |
| 06/28/2001 | DE19962801A1 Verfahren zum Wärmebehandeln von Draht A method of heat treatment of wire |
| 06/27/2001 | EP1111081A1 An ultra-low carbon steel composition, the process of production of an ULC BH steel product and the product obtained |
| 06/27/2001 | EP1111080A2 Maraging steel having high fatigue strength and maraging steel strip made of same |
| 06/27/2001 | EP1111075A1 Wire heat treating process |
| 06/27/2001 | EP1109942A1 Method for producing cold-rolled bands or sheets |
| 06/27/2001 | EP0779847B1 Iron-based powder containing chromium, molybdenum and manganese |
| 06/27/2001 | CN1301335A Process components, containers, and pipes suitable for containing and transporting cryogenic temperature fluids |
| 06/27/2001 | CN1300867A Refractory alloy composition |
| 06/27/2001 | CN1300865A Technology for smelting high-quality mandrel steel |
| 06/27/2001 | CN1300648A Method for heat treatment of wires |
| 06/26/2001 | US6251198 Micro-laminate microstructure comprising austenite film layers and fine-grained marten site/lower bainite laths |
| 06/26/2001 | US6251156 Method of producing molten iron in duplex furnaces |
| 06/26/2001 | US6250257 Method for operating a once-through steam generator and once-through steam generator for carrying out the method |
| 06/21/2001 | WO2001044531A1 Flexible pipe with low-carbon steel armour |
| 06/20/2001 | EP1108800A2 Hard particles, wear resistant iron-based sintered alloy, method of producing wear resistant iron-based sintered alloy, valve seat, and cylinder head |
| 06/20/2001 | EP1108495A2 Welding material and a method of producing welded joint |
| 06/20/2001 | CN1067444C Hot-rolled steel sheet and process for producing the same |
| 06/20/2001 | CN1067306C Process for continuous casting of austenitic stainless steel strip onto one or between two moving walls with dimpled surfaces, and casting plant for its implementation |
| 06/19/2001 | US6248292 Overlay welding alloy and engine valve overlayed therewith |
| 06/19/2001 | US6248191 Heating and reducing a steel slab by hot rolling to form a plate, further reducing the plate by hot rolling, and then cooling and quenching plate, allowing plate to air cool to fascilitate fine-grain lower bainite or martensite formation |
| 06/19/2001 | US6248187 Comprising carbon, silicon, manganese, chromium, phosphorus, sulfur, aluminum, nitrogen, and iron and having a martinistic structure; excellent in strength and low temperature toughness |
| 06/19/2001 | US6248186 Ball-and-roller bearing and method of manufacturing the same |
| 06/19/2001 | CA2229002C Stainless steel having excellent thermal neutron absorption ability |
| 06/14/2001 | WO2001042524A2 Low carbon, low chromium carburizing high speed steels |
| 06/14/2001 | WO2001042523A1 Wear-resistant steel product and method for production thereof |
| 06/14/2001 | US20010003293 Ferritic stainless steel plate and method |
| 06/13/2001 | EP1106793A1 Electromagnetic valve drive |
| 06/13/2001 | EP1106706A1 Ultra-high strength metastable austenitic stainless steel containing Ti and a method of producing the same |
| 06/13/2001 | EP1106705A1 Stainless steel for brake disc excellent in resistance to temper softening |
| 06/13/2001 | EP0977901B1 High-strength, anti-corrosive iron-manganese-chrome alloy |
| 06/13/2001 | EP0917595B1 Heavy duty soft magnetic steel suitable for welding and its use in parts of magnetic levitational railways |
| 06/13/2001 | EP0852265B1 Magnetic shield material, production method thereof and color image tube assembling the material |
| 06/13/2001 | EP0830477B1 Alloy coating for wet and high temperature pressing roll |
| 06/13/2001 | EP0789786B1 Cobalt-free hardfacing alloys with improved welding characteristics |
| 06/13/2001 | EP0709480B1 Steel plate excellent in prevention of brittle crack propagation and low-temperature toughness and process for producing the plate |
| 06/13/2001 | EP0707089B1 High-carbon steel wire or steel therefor excellent in workability in wire drawing and process for producing the same |
| 06/13/2001 | EP0707088B1 High-carbon steel rod wire or steel wire excellent in workability in wire drawing and process for producing the same |
| 06/12/2001 | US6245441 Composite magnetic member excellent in corrosion resistance and method of producing the same |
| 06/12/2001 | US6245290 Carbides, microstructure, toughness |
| 06/12/2001 | US6245289 Stainless steel alloy for pulp refiner plate |
| 06/12/2001 | US6245163 Without a high ni content, and yet does not exhibit stress corrosion cracking in the light water of high temperature and high pressure in a nuclear reactor. |
| 06/12/2001 | US6244161 High temperature-resistant material for articulated pistons |
| 06/12/2001 | CA2143015C Alloy steel powders, sintered bodies and method |
| 06/07/2001 | WO2001040530A1 PRODUCT MADE FROM AN ALLOY CONTAINING ONE OR MORE OF Cr, Al, Si, Ti AND SO CALLED ODE AND METHOD TO PRODUCE SAID PRODUCT |
| 06/07/2001 | WO2001040526A1 Martensitic stainless steel and steelmaking process |
| 06/07/2001 | WO2001040525A2 Cold formed flat-rolled steel structural members |
| 06/07/2001 | WO2001039971A1 Method for the production of a heat resistant alloy with good high temperature oxidation resistance |
| 06/07/2001 | DE10053459A1 Shadow mask for color Braun tubes, comprises iron group alloy board containing nickel and cobalt, having predetermined crystal grain size and resistance |
| 06/07/2001 | CA2392754A1 Method for the production of a heat resistant alloy with good resistance to high-temerature oxidation |
| 06/07/2001 | CA2388021A1 Martensitic stainless steel and steelmaking process |
| 06/06/2001 | EP1104932A2 Method of manufacturing magnet material, and bonded magnet |
| 06/06/2001 | EP1104816A1 High-tension steel material with excellent suitability for welding with high-energy-density heat source and welded structure thereof |
| 06/06/2001 | CN1298034A Stainless steel for brake with excellent anti-temper softening performance |
| 06/06/2001 | CN1298032A Composite C-Fe-Ba-Al alloy block and its production process |
| 06/06/2001 | CN1066779C Process for producing Fe-Ni alloy sheet and Fe-Ni alloy shadow mask |
| 06/06/2001 | CN1066777C Continuously annealed soft temper black steelplate for drawn and deep-draw container and its producing process |
| 06/05/2001 | US6241829 Silicon steel sheet and method thereof |
| 06/05/2001 | CA2141444C Corrosion resistant austenitic stainless steel with improved galling resistance |
| 05/31/2001 | WO2001039215A1 Thin strip magnet material, magnet powder and rare earth bond magnet |
| 05/31/2001 | WO2001038595A1 Non-oriented electromagnetic steel sheet having reduced magnetic anisotropy in high frequency region and excellent press workability |
| 05/31/2001 | WO2001038594A1 Fe-Ni BASED ALLOY FOR SEMI-TENSION MASK EXCELLENT IN MAGNETIC CHARACTERISTICS, AND SEMI-TENSION MASK AND COLOR CATHODE-RAY TUBE USING THE SAME |
| 05/31/2001 | WO2000071759A3 Methods of forming steel |
| 05/31/2001 | US20010001966 Martensitic stainless steel for seamless steel pipe |
| 05/31/2001 | DE19963522A1 Legierungsstahl mit überlegener Korrosionsbeständigkeit gegen Alkalimetalloxide enthaltende Salzschmelzen Containing alloy steel having superior corrosion resistance against alkali metal oxides salt melts |
| 05/31/2001 | DE19957646A1 Alloy production comprises coating base material made of austenitic nickel-based alloy or cobalt-based alloy or special steel on one or both sides with layer of aluminum or aluminum alloy |
| 05/31/2001 | DE10053540A1 Shadow mask for cathode ray tubes used in color TV screens and computer screens consists of an iron-based alloy containing nickel, cobalt and carbon |
| 05/31/2001 | DE10053538A1 Shadow mask for cathode ray tubes used in color TV screens and computer screens consists of sheet metal made of an iron alloy containing nickel and cobalt |
| 05/30/2001 | EP1103626A1 HIGH Cr FERRITIC HEAT RESISTANCE STEEL |
| 05/30/2001 | EP0689717B1 Method of manufacturing a shadow mask of the nickel-iron type |
| 05/30/2001 | CN1297063A Excellent weldability steel thick wall material and its mfg. method |
| 05/30/2001 | CN1066491C PC concrete iron and method for producing same |
| 05/29/2001 | US6238493 Controlled rolling and accelerated cooling with the controlled alloy chemistry to yield steel plate having high yield strength, tensile strength, and toughness; construction materials |
| 05/29/2001 | US6238455 High-strength, titanium-bearing, powder metallurgy stainless steel article with enhanced machinability |
| 05/25/2001 | WO2001036699A1 Method for fabricating vehicle components and new use of a precipitation hardenable martensitic stainless steel |
| 05/25/2001 | WO2001036698A1 Steel for railway crossing points |
| 05/25/2001 | CA2355868A1 Steel for railway crossing points |
| 05/24/2001 | US20010001399 Steel with specific ratio of carbon, silicon, manganese, nickel, chromium, cobalt, molybdenium, niobium, titanium, zirconium, tantalum, hafnium and iron; heat resistant high hot strength material for parts of pipes of cracking furnaces |
| 05/24/2001 | US20010001396 Precipitating nitride while allowing the carbon and nitrogen diffusely permeate from a surface by carbonitriding and/or carburization/carbonitriding, and forming martensite phase by rapidly cooling from austenite temperature region of steel |
| 05/23/2001 | EP1101828A1 High-strength bainitic steel rails with excellent rolling-contact fatigue resistance |
| 05/23/2001 | EP0925380B1 Method for manufacturing self-hardening steel wire, reinforcing wire and application to a flexible duct |