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