Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
07/2004
07/22/2004US20040140021 Coating with alloy comprising iron, boron, carbon, and silicon; tensile strength, hardness, elongation; crystallization
07/22/2004US20040140017 Nanocrystalline grain size steel materials retaining toughness; including boron, phosphorous, carbon and/or silicon
07/22/2004US20040140016 Iron-base amorphous alloy thin strip excellent in soft magnetic properties, iron core manufactured by using said thin strip, and
07/22/2004DE10194846T5 Verfahren zur Oberflächenbehandlung eines rostfreien Stahlprodukts für eine Brennstoffzelle A process for surface treatment of a stainless steel product for a fuel cell
07/21/2004EP1439023A1 STAINLESS STEEL−COPPER CLAD AND METHOD FOR PRODUCTION THEREOF
07/21/2004EP1438440A1 Ferritic stainless steel for use in high temperature applications and method for producing a foil of the steel
07/21/2004EP0931226B1 Composite material with a high proportion of intermetallic phases, preferably for friction bodies
07/21/2004CN1514887A Nanocarbide precipitation strengthened ultrahigh-strength corrosion-resistant, structural steels
07/21/2004CN1514886A Steel sheet for inner magnetic shield and method of producing the same, inner magnetic shield, and colour cathode ray tube
07/21/2004CN1514885A Double phase stainless steel strip for steel belt
07/21/2004CN1514884A Easy-to-cut steel containing sulfure for mechanical structure
07/21/2004CN1514883A High tensile hot-rolled steel sheet excellent in resistance to scuff on mold and in fatigue characteristics and its mfg. method
07/21/2004CN1514117A Gasoline engine valve guide tube
07/21/2004CN1514033A Vacuum induction smelting method of ultrapure ferrite stainless steel
07/21/2004CN1158399C Deformation induced aging-type iron-base marmem and its prepn process
07/21/2004CN1158398C Cold rolled steel sheet and galvanized steel sheet having strain aging hardening property and method for producing the same
07/20/2004US6764647 Corrosion resistant material
07/20/2004US6764645 Steel for machine structural use having good machinability and chip-breakability
07/20/2004US6764557 Hardening by subjecting to heat treatment at above 900 degrees celsius in reducing atmosphere
07/20/2004US6764555 High-strength austenitic stainless steel strip having excellent flatness and method of manufacturing same
07/20/2004US6764554 Refining element for a refining disk
07/20/2004US6764528 Decarburization refining of molten iron from blast furnace, controlling composition in molten steel
07/20/2004CA2237851C Improved steel holder block for plastic molding
07/15/2004WO2004059025A1 Iron alloy, especially for use in an exhaust gas cleaning unit
07/15/2004WO2004059024A1 High strength thin steel sheet excellent in hole expansibility, ductility and chemical treatment characteristics, and method for production thereof
07/15/2004WO2004059023A1 Cold die steel excellent in characteristic of suppressing dimensional change
07/15/2004WO2004059022A1 Fe-Cr-Si NON-ORIENTED ELECTROMAGNETIC STEEL SHEET AND PROCESS FOR PRODUCING THE SAME
07/15/2004WO2004059021A1 High strength steel sheet exhibiting good burring workability and excellent resistance to softening in heat-affected zone and method for production thereof
07/15/2004WO2004059016A2 Method for the production of a screw, and screw produced according to said method
07/15/2004US20040137232 Automobile gasoline tanks formed form ferritic stainless steels having protective coatings comprising paints having metal powders
07/15/2004US20040134568 comprising carbon, nitrogen, silicon, manganese, chromium, molybdenum, tungsten, vanadium, niobium, sulfur, iron; microstructure which in hardened and tempered condition contains 6-13 vol% vanadium-rich carbides, nitrides, carbonitrides; tools
07/15/2004DE10358351A1 Valve tappet for combustion engine and production process, has micro pits formed by radiation in the smooth gas carbon nitride steel upper surface of the tappet
07/15/2004DE10261207A1 Eisenlegierung, insbesondere zur Verwendung in einer Abgasreinigungseinheit Iron alloy, in particular for use in a waste gas purification unit
07/15/2004DE10259230A1 Verfahren zum Herstellen eines Stahlprodukts A method of manufacturing a steel product
07/15/2004DE10247998B4 Verfahren zum Herstellen eines besonders gut verformbaren kaltgewalzten Stahlbands oder -blechs A process for producing a particularly good deformable cold rolled steel strip or sheet
07/14/2004EP1437423A1 Method for producing nitriding steel
07/14/2004EP1437422A1 Steel pipe having high formability and method for production thereof
07/14/2004EP1437190A2 Use of a chrome steel alloy
07/14/2004EP1436440A1 Ferritic stainless steel and use thereof in the manufacture for high temperature resistant products
07/14/2004EP1208166B1 Coating composition for forming insulating films, non-oriented electrical steel sheet with the coating composition coated thereon, and method for forming the insulating films on the steel sheet
07/14/2004CN1513061A Method for producing stainless steel having improved corrosion resistance
07/14/2004CN1511969A Alloy tool steel and its producing method and mold using it
07/14/2004CN1511968A Steel for granite saw blade
07/14/2004CN1511967A Anti-wear sintered slide material, anti-wear sintered slide composite member and producing method
07/14/2004CN1511673A Method for producing steel forge piece and forge piece produced therefrom
07/14/2004CN1157749C Shadow mask used for plane color cathode-rays tube and its producing method
07/14/2004CN1157491C High carbon steel sheet and method for production thereof
07/13/2004US6761853 Free-cutting tool steel
07/13/2004US6761780 Method of manufacturing a high Mn non-magnetic steel sheet for cryogenic temperature use
07/13/2004US6761777 Corrosion and erosion resistant castable alloy having microstructure including chromium carbides, borides and nitrides in austenitic matrix with face centered cubic crystal structure and supersaturated with nitrogen as solid solution
07/13/2004US6761751 Method of making a FeCrAl material and such material
07/08/2004WO2004057050A1 High-strength martensitic stainless steel with excellent resistances to carbon dioxide gas corrosion and sulfide stress corrosion cracking
07/08/2004WO2004057049A1 Bearing steel excellent in workability and corrosion resistance, method for production thereof, and bearing member and method for manufacture thereof
07/08/2004WO2004057048A1 A steel composition for the production of cold rolled multiphase steel products
07/08/2004WO2004038055A9 Alloy containing rare earth element, production method thereof, magnetostrictive device, and magnetic refrigerant material
07/08/2004US20040132598 Roller member and method of producing the same
07/08/2004US20040131877 Article having turbulation and method of providing turbulation on an article
07/08/2004US20040131876 Electric welded steel tube for hollow stabilizer
07/08/2004US20040131494 Connecting rod for engine
07/08/2004US20040131493 Iron-chrome aluminium-alloy
07/08/2004US20040131492 Production process for Fe-based sintered alloy valve seat
07/08/2004US20040129355 Method of manufacturing a product from steel and product manufactured according to said method
07/08/2004US20040129354 Steel wire excellent in descalability in mechanical descaling and method for production thereof
07/08/2004US20040129348 High strength steel weld having improved resistance to cold cracking and a welding method
07/08/2004US20040129345 Steel sheet for inner magnetic shield and method of producing the same, inner magnetic shield, and color cathode ray tube
07/08/2004US20040129243 Method of manufacture of a piston for an internal combustion engine, and piston thus obtained
07/08/2004DE10260828A1 Verfahren zur Herstellung einer Schraube sowie nach dem Verfahren hergestellte Schraube A process for producing a screw, and prepared by the process screw
07/08/2004DE10257967A1 Use of a chromium steel alloy containing alloying additions of silicon, manganese, molybdenum, chromium, nickel, tungsten, vanadium, niobium, copper, aluminum and cobalt as a material for objects resistant to water embrittlement
07/08/2004DE10030100B4 Verfahren zur Herstellung von Walzen mit eingearbeiteten Kalibern und oxydationsoptimierter Matrix zur Minderung von Warmverschleiß für die thermomechanische Umformung von metallischen Werkstoffen A process for producing rollers with incorporated calibers and oxydationsoptimierter matrix for reducing hot wear for the thermo-mechanical forming of metallic materials
07/08/2004CA2507378A1 A steel composition for the production of cold rolled multiphase steel products
07/07/2004EP1435399A1 High strength steel weld having improved resistance to cold cracking and a welding method
07/07/2004EP1435395A1 Granular metallic iron
07/07/2004EP1434890A1 Method for the production of non-grain oriented electric sheets
07/07/2004CN1511196A Cast piece and sheet of ferritic stainless steel, and method for production thereof
07/07/2004CN1510157A 粉末合金 Powder alloy
07/07/2004CN1510156A Wearproof and rough quasi bainite rails and their production
07/07/2004CN1510155A Wearproof and tough quasi bainite points and rails and their production
07/07/2004CN1510154A Mechanical structure steel, method for hot-shaping the steel part and part therefrom
07/07/2004CN1509922A High-impact electric welding steel pipe
07/07/2004CN1509830A Method for manufacturing powder metal part
07/07/2004CN1156876C Expanded form mask for color Braun tube and its material
07/07/2004CN1156595C PM high speed steel with high-heat stability
07/07/2004CN1156594C Method for producing high-purity silicon iron
07/06/2004US6759005 Blended, canned and subjected to hot isostatic press consolidation.
07/06/2004US6758919 High strength; weldability and fatigue resistance
07/06/2004US6758915 Grain oriented electromagnetic steel sheet exhibiting extremely small watt loss and method for producing the same
07/06/2004US6758882 Containing mo as a powder partially diffused and bonded to a surface of the iron-based mn-containing powder particles.
07/06/2004US6758662 Die for die compacting of powdered material
07/06/2004US6758066 Glassware forming mold and method of manufacture
07/01/2004WO2004055467A1 Multilayered steel armour
07/01/2004WO2004055226A1 Steel wire for spring
07/01/2004WO2004055223A1 Method for producing a steel product
07/01/2004WO2004055222A1 METHOD OF THERMO-MECHANICAL-TREATMENT FOR Fe-Mn-Si SHAPE-MEMORY ALLOY DOPED WITH NbC
07/01/2004WO2004054750A1 Brazing sheet product having a clad layer and a coated layer of iron alloy and method of its manufacture
07/01/2004US20040123924 Hardness, toughness, workability
07/01/2004US20040123698 Contact material, composite sintered contact component and method of producing same
07/01/2004DE19963522B4 Legierungsstahl mit überlegener Korrosionsbeständigkeit gegen Alkalimetalloxide enthaltende Salzschmelzen Containing alloy steel having superior corrosion resistance against alkali metal oxides salt melts
07/01/2004DE19836360B4 Kolbenringmaterial mit hervorragender Bearbeitbarkeit und Resistenz gegen Fressen sowie Kolbenring hieraus Piston ring material with excellent workability and resistance to seizure and piston ring thereof
07/01/2004DE19648505B4 Fe-Ni-Legierungsmaterialien für Lochmasken Fe-Ni alloy materials for shadow masks
07/01/2004DE10261210A1 Use of an air-hardened steel alloy containing alloying additions of silicon, manganese, chromium, molybdenum, aluminum and vanadium in the production of a vehicle component in a hot working process