Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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11/24/2004 | CN1176771C Rotary kiln process of producing reducing ilmenite powder for welding electrode |
11/24/2004 | CN1176769C Method for preparing stainless steel power containing nitrogen by using mechanical alloying |
11/23/2004 | US6821362 Tool with coiled blade; plasma electric arc welding |
11/23/2004 | US6821360 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 |
11/23/2004 | US6821358 Ferritic stainless steel which can be used for ferromagnetic parts |
11/23/2004 | US6820336 Making a powder metal roll end for a heatable roll |
11/23/2004 | CA2340403C Preparation of nanocrystalline alloys by mechanical alloying carried out at elevated temperatures |
11/23/2004 | CA2336600C Martensitic stainless steel for seamless steel pipe |
11/18/2004 | WO2004100189A1 Magnetic powder and magnetic recording medium using the same, and method for surface treatment of magnetic powder |
11/18/2004 | WO2004081247A3 Iron-chromium-aluminum alloy |
11/18/2004 | US20040226982 Soldering iron tip and method of manufacturing same |
11/18/2004 | US20040226981 Soldering iron tip and method of manufacturing same |
11/18/2004 | US20040226635 High-strength forged parts having high reduction of area and method for producing same |
11/18/2004 | US20040226634 High-strength stainless steel sheet and method for manufacturing the same |
11/18/2004 | US20040226631 steel containing silicon, manganese, chromium, sulfur and iron; rolling resistance; wear resistance; aging resistance |
11/17/2004 | EP1477574A2 High-strength stainless steel sheet and method for manufacturing the same |
11/17/2004 | EP1476586A1 Steel, solid wheel, and tire for rail vehicles and method for producing parts of this type |
11/17/2004 | EP1379706B1 Tool steel having high toughness, method for producing parts made of said steel, and parts thus obtained |
11/17/2004 | EP0612276B2 Heat treatment of metal castings and in-furnace sand reclamation |
11/17/2004 | CN1547621A Iron-base amorphous alloy thin strip excellent in soft magnetic properties, iron core manufactured by using said thin strip, and master alloy quench solidification thin strip production for use therei |
11/17/2004 | CN1547620A Steel plate exhibiting excellent workability and method for producing the same |
11/17/2004 | CN1546715A Medium and high-carbon steel shaft parts of ultra-fine crystal grain and its production technology |
11/17/2004 | CN1176281C RE low-alloy cast steel node |
11/17/2004 | CN1176241C Super purified austenitic stainless steel |
11/16/2004 | US6818074 Hot rolling, cold rolling |
11/16/2004 | US6818073 Method of producing steel strip |
11/16/2004 | US6818072 Creep resistance; ductility |
11/16/2004 | US6818040 High nitrogen content; containing at least carbon, nitrogen, manganese, silicon, chromium, molybdenum, tungsten, iron and vanadium with niobium combination; cold work tools; friction and adhesive wear resistance |
11/11/2004 | WO2004097059A1 Seamless steel tube which is intended to be used as a guide pipe and production method thereof |
11/11/2004 | WO2004097058A1 Martensitic stainless steel for disc brake |
11/11/2004 | US20040223867 Free machining steel for machine structural use having improved chip disposability |
11/11/2004 | US20040223850 Hybrid blade for thermal turbomachines |
11/11/2004 | US20040223266 FeTa nano-oxide layer as a capping layer for enhancement of giant magnetoresistance in bottom spin valve structures |
11/11/2004 | US20040222206 Soldering iron tip and method of manufacturing same |
11/10/2004 | EP1475808A1 Powder magnetic core and high frequency reactor using the same |
11/10/2004 | EP1475450A1 High strength soft magnetic Iron-Cobalt-Vanadium alloy. |
11/10/2004 | EP1474813A1 Soft magnetic alloy for clock-making |
11/10/2004 | EP1474812A1 Low-frequency magnetic screening made from a soft magnetic alloy |
11/10/2004 | EP1474538A2 Use of a steel alloy as a material for pipes for producing gas cylinders, or as a material for producing moulded elements in light-gauge steel construction |
11/10/2004 | EP1254275A4 STEEL PLATE TO BE PRECIPITATING TiN + ZrN FOR WELDED STRUCTURES, METHOD FOR MANUFACTURING THE SAME AND WELDING FABRIC USING THE SAME |
11/10/2004 | EP1169485A4 Ultra-high strength ausaged steels with excellent cryogenic temperature toughness |
11/10/2004 | CN1545565A Method for rendering metal corrosion resistant |
11/10/2004 | CN1544682A Loader integral abrasion proof shovel edge material, heat treatment and welding process |
11/10/2004 | CN1544681A Process for preparing Fe3Si base alloy sheet containing B, Ti, Zr and V |
11/10/2004 | CN1544680A High silicon steel and method for preparing same |
11/10/2004 | CN1175123C Stainless steel filling material for tower use |
11/10/2004 | CN1175122C Laves phase reinforced iron-base hard-surface alloy |
11/09/2004 | US6815087 Aluminum-silicon-iron alloy with a softer region on the steel substrate |
11/09/2004 | US6815086 Methods for fluxless brazing |
11/09/2004 | US6814819 Press forming; hot and col rolling; annealing; high strength; automobile bodies |
11/09/2004 | US6814776 Flowability; containing carbon and boron, cobalt and/or nickel with pr nd, dy and/or tb and other elements |
11/09/2004 | CA2306887C Simple ladle refining method |
11/04/2004 | WO2004094681A1 High strength hot-rolled steel plate |
11/04/2004 | US20040219328 Laminated soft magnetic member, soft magnetic sheet and production method for laminated soft magnetic member |
11/04/2004 | DE19753857B4 Fe-Ni-Legierungswerkstoffe für elektronische Bauteile Fe-Ni alloy materials for electronic components |
11/04/2004 | DE102004018406A1 Kaltgeformte Feder von hoher Ermüdungsfestigkeit und hoher Korrosionsermüdungsfestigkeit, Stahl für eine solche Feder und Verfahren zur Herstellung einer solchen Feder Cold-formed spring from high fatigue strength and high corrosion fatigue strength, steel for such a spring and method for manufacturing such a spring |
11/03/2004 | EP1473376A1 High strength steel plate and method for production thereof |
11/03/2004 | EP1473375A1 Steel wire excellent in descalability in mecanical descaling and method for production thereof |
11/03/2004 | EP1473371A2 Process for manufacturing non grain-oriented magnetic steel sheet and sheet obtained by this process |
11/03/2004 | EP1472383A2 Precipitation hardenable austenitic steel |
11/03/2004 | EP1472382A1 High chromium−nitrogen bearing castable alloy |
11/03/2004 | EP1439926A4 Casting steel strip |
11/03/2004 | EP1339889A4 STEEL PLATE TO BE PRECIPITATING TiN+CuS FOR WELDED STRUCTURES, METHOD FOR MANUFACTURING THE SAME, WELDING FABRIC USING THE SAME |
11/03/2004 | EP1337678A4 Steel plate to be precipitating tin+mns for welded structures, method for manufacturing the same and welding fabric using the same |
11/03/2004 | EP1337362A4 A method of producing steel strip |
11/03/2004 | EP1326725A4 Production of thin steel strip |
11/03/2004 | CN1542156A High-silicon high-aluminium ferrite stainless steel and its application in preparation of heat-resisting steel pipe |
11/03/2004 | CN1542155A Fe-Ni-B alloy wire and production method thereof |
11/03/2004 | CN1174110C Welding method, filler metal composition and article made therefrom |
11/03/2004 | CN1174109C Superthin steel strip for battery casing, and producing method thereof |
11/02/2004 | US6812197 Iron alloy powder contains at mn and/or ni, produced with an atomization process |
11/02/2004 | US6811900 Applying multilayer coatings comprising titanium oxynitride and silicon nitride to surfaces of alloys; stabilization |
11/02/2004 | US6811622 Corrosion-resistant precipitation-hardened austenitic steel containing large amount of intersticially dissolved nitrogen |
11/02/2004 | US6811619 Hot rolling, cold rolling, annealing, crystallization |
11/02/2004 | CA2296349C High-corrosion-resistant martensitic stainless steel |
10/28/2004 | WO2004092434A1 Steel material with excellent rolling fatigue life and method of producing the same |
10/28/2004 | WO2004092433A1 High strength and high magnetic permeability steel sheet for cathode ray tube band and method for production thereof |
10/28/2004 | WO2004092427A2 System and method for processing ferrotungsten and other tungsten alloys articles formed therefrom and methods for detecting the same |
10/28/2004 | WO2003076676A8 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels |
10/28/2004 | US20040213665 Exhaust gas assembly with improved heat resistance for vgs turbocharger, method for manufacturing heat resisting member applicable thereto, and method for manufacturing shaped material for adjustable blade applicable thereto |
10/28/2004 | US20040211064 Method for manufacturing a structural member of a vehicle |
10/28/2004 | DE10024538B4 Wälzlager Rolling bearings |
10/28/2004 | CA2520274A1 System and method for processing ferrotungsten and other tungsten alloys articles formed therefrom and methods for detecting the same |
10/27/2004 | EP1471161A1 A stainless steel sheet having Cu-enriched grains dispersed in its matrix and/or a Cu-condensed layer |
10/27/2004 | EP1471160A1 Cold-worked Steel Object |
10/27/2004 | EP1471159A1 Bainite type non-refined steel for nitriding, method for production thereof and nitrided product |
10/27/2004 | EP1471158A1 Austenitic stainless steel |
10/27/2004 | EP1397527B1 Grain oriented electric sheet of metal with an electrically insulating coating |
10/27/2004 | EP1373589B1 Steel and steel tube for high-temperature use |
10/27/2004 | EP1206588B1 Iron-nickel alloy with creep resistance and low thermal expansion |
10/27/2004 | EP1144698A4 Ultra-high strength triple phase steels with excellent cryogenic temperature toughness |
10/27/2004 | CN1541280A Sintered alloy, method for prodn. thereof and valve sheet |
10/27/2004 | CN1540026A Austenitic stainless steels |
10/27/2004 | CN1540025A Drill steel |
10/27/2004 | CN1540024A Hot-rolled steel strip for high strength electric resistance welding pipe and mfg. method thereof |
10/27/2004 | CN1540023A High speed tool steel and its mfg. method |
10/27/2004 | CN1540022A Free machining structural steel of containing stannum |
10/27/2004 | CN1540021A Nickel molybdenum alloy and preparation method |
10/27/2004 | CN1540015A Precipitation reinforced Ni-Fe-Cr alloy and its prodn. method |
10/27/2004 | CN1540003A Metastable austenitic stainless steels |