Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
09/2004
09/30/2004US20040187972 Low alloy high speed tool steel having constant toughness
09/30/2004US20040187971 Comprising carbon, silicon, manganese, sulfur, aluminum, calcium, titanium, chromium, molybdenum, and/or niobium and iron; composite comprises exterior shell of carbonitride oftitanium and/or niobium surrounding a nucleus ofaluminum and calcium oxysulfide; nonpitting; noncracking
09/30/2004US20040187963 Rare earth magnet, process for producing same, and motor using rare earth magnet
09/30/2004US20040187830 Sintered alloy valve seat and method for manufacturing the same
09/30/2004DE10320350B3 Soft magnetic iron-based alloy used as a material for magnetic bearings and rotors, e.g. in electric motors and in aircraft construction contains alloying additions of cobalt, vanadium and zirconium
09/30/2004DE10307314B3 Elektrischer Kontaktwerkstoff aus einer Kobalt-Nickel-Eisenlegierung und Verfhren zu deren Herstellung An electrical contact material made of a cobalt-nickel-iron alloy for the preparation thereof and seduce
09/29/2004EP1462649A2 Compressor bearing and compressor component
09/29/2004EP1462536A1 Steel pipe excellent in formability and method of producing the same
09/29/2004EP1462535A1 Hot-rolled steel strip for high strength electric resistance welding pipe and manufacturing method thereof
09/29/2004EP1461468A1 Ferromagnetic alloy for induction heated cooking
09/29/2004EP1461467A1 Triple-phase nano-composite steels
09/29/2004EP1461466A1 Nano-compsite martensitic steels
09/29/2004EP1214457B1 Use of a stainless steel for umbilicals in seawaters
09/29/2004EP1182268B1 High strength, high toughness, seamless steel pipe for line pipe
09/29/2004EP1159462B1 An enhanced machinability precipitation-hardenable stainless steel for critical applications
09/29/2004EP1134053B1 Welded structure made of low thermal expansion coefficient alloy and weld material
09/29/2004EP0914480B1 Process for producing an easily shaped cold-rolled sheet or strip
09/29/2004CN1532300A Non quenched and tempered seamless steel pipe
09/29/2004CN1168843C Magnetostriction control type allpy plate and structural element for colour kinescope and process for producting magnetostriction control type alloy plate
09/28/2004US6797410 Usable for a vehicle body of an automobile or the like
09/28/2004US6797406 Composite gradient alloy plate, manufacturing method thereof and color cathode ray tube having shadow mask using the composite gradient alloy plate
09/28/2004US6797231 In percent by mass, carbon: 0.1-0.6%, silicon: 0.01-2.0%, manganese: 0.2-2.0%, sulfur: 0.005-0.2%, aluminum: not more than 0.009%, titanium: 0.001-0.04%, calcium: 0.0001-0.01%, oxygen: 0.001-0.01%, nitrogen: less than 0.02%; machinability
09/28/2004US6797078 Strip of hot rolled steel of very high strength, usable for shaping and particularly for stamping
09/28/2004US6797031 Wire-shaped product, method for its manufacturing, and wear part made of the product
09/27/2004CA2461831A1 Hot-rolled steel strip for high strength electric resistance welding pipe and manufacturing method thereof
09/23/2004WO2004081250A2 Steel having finely dispersed inclusions
09/23/2004WO2004081247A2 Iron-chromium-aluminum alloy
09/23/2004US20040184946 High-strength, heat-resistant alloy for exhaust valves with improved overaging-resistance
09/23/2004US20040182480 High-strength carburized part and a method of the same
09/23/2004US20040182200 Iron based sintered body excellent in enveloped casting property in light metal alloy and method for producing the same
09/23/2004CA2529720A1 Iron-chromium-aluminum alloy
09/22/2004EP1460652A1 R-t-b rare earth permanent magnet
09/22/2004EP1460145A1 Low alloy steel excellent in resistance to corrosion by hydrochloric acid and corrosion by sulfuric acid and weld joint comprising the same
09/22/2004EP1458908A1 A tubular member having an anti-galling coating
09/22/2004EP1458896A1 High strength cold rolled steel sheet with superior formability and weldability, and manufacturing method therefor
09/22/2004EP1311711A4 Oxidation and corrosion resistant austenitic stainless steel including molybdenum
09/22/2004EP1228254B1 Method for making carbon steel bands, in particular packaging steel bands
09/22/2004EP1145258A4 High performance rare earth-transition metal magnetostrictive materials with increased impurities
09/22/2004CN1531126A Porous element and producing method thereof, electrochemical device therewith
09/22/2004CN1530999A Fe-Cr-Ni alloy as electron gun electrodes
09/22/2004CN1530567A Supporting structure in crankshaft mechanism and parts therefor
09/22/2004CN1530450A Rotary parts and manufacturing method thereof
09/22/2004CN1167883C Basic material of rotary pistor for compressor and its lubricant
09/21/2004US6794440 Tear resistant gelatinous elastomer compositions and articles for use as fishing bait
09/21/2004US6793876 Production process for Fe-based sintered alloy valve seat
09/21/2004US6793746 Treating the shaped part with a solution of oxidative acid to dissolve out sulfides existing on the surface of the part.
09/21/2004US6793745 Maraging type spring steel
09/21/2004US6793744 Martenstic stainless steel having high mechanical strength and corrosion
09/21/2004US6793742 Preparing an alloy for bonded sm2co17 base magnets
09/21/2004US6793119 Adding nitrogen to shielding gas; eliminating use of welding aids; maintaining tensile strength, ductility and corrosion resistance
09/21/2004CA2271654C Composite stratified material and use thereof for coinage
09/16/2004WO2004079028A1 Duplex stainless steel alloy and use thereof
09/16/2004WO2004079027A1 Duplex stainless steel alloy for use in seawater applications
09/16/2004WO2004070064A3 Ultrahigh strength hot-rolled steel and method of producing bands
09/16/2004US20040177905 excellent in stretch-flangeability and spot-weldability; weight reduction of automobile; continuous annealing; suppression of transformation of austenite into ferrite
09/16/2004US20040177900 to remain non-magnetic after thermal treatment for improved focusing and convergence drift properties; focusing electrode, final accelerating electrode, and shield cup
09/16/2004US20040177899 Zr is uniformly dispersed in the microstructure of a sintered body, to obtain a sufficiently wide suitable sintering temperature range; able to exert the effect to inhibit the grain growth even with the addition of a smaller amount of Zr
09/16/2004DE202004009221U1 Steel part with a roll shaped holder having bevelled flange at its base used as a hand chisel
09/16/2004DE10027049B4 Verwendung einer Chrom-Stahllegierung Using a chromium steel alloy
09/16/2004CA2522352A1 Duplex stainless steel alloy and use thereof
09/16/2004CA2519786A1 Duplex stainless steel alloy for use in seawater applications
09/15/2004EP1458042A1 Porous member, method of manufacturing the same and electrochemical device using the same
09/15/2004EP1457998A1 Rare earth element-iron-boron alloy, and magnetically anisotropic permanent magnet powder and method for production thereof
09/15/2004EP1456709A1 Spectacle frame
09/15/2004EP1456431A1 Grain refinement of alloys using magnetic field processing
09/15/2004EP1455622A1 Cooking vessel comprising a base made of a multilayer material and a side wall, and article of multilayer material
09/15/2004EP1360015B1 A self-adjusting blade
09/15/2004EP0949340B1 Steel having excellent outer surface scc resistance for pipeline
09/15/2004CN1529787A Steel pipe for use as embedded expandedpipe, and method of embedding oil-well steel pipe
09/15/2004CN1529765A Weld metals with superior low temperature toughness jfor joining high strength, low alloy steels
09/15/2004CN1529764A Ultra-high magnetic fiux density unidirectional electrical steel sheet excellent in high magnetic field iron loss and coating characteristic and production method thereof
09/15/2004CN1528937A High-yield-ratio, high-strong toughness cast martensite stainless steel and production method thereof
09/15/2004CN1528936A Method for preparing rare-earth magnetostriction material from rare-earth intermediate alloy
09/15/2004CN1528547A Powder metallurgy internal hilical gear, and its manufacturing method and die using same method
09/15/2004CN1166863C Mutually matched basic material of blade and lubricant for compressor
09/15/2004CN1166805C High strengt austenic stainless steel belt with excellent straightness and its making process
09/15/2004CN1166804C High-strength and high-toughness weldable air-cooled Hongkang bainite steel specially for railway frog and producing method therefor
09/15/2004CN1166803C High vanadium high-wear-resistant alloy and its preparation method
09/15/2004CN1166802C YW 35 nickel-free high-Mn, steel and its application
09/15/2004CN1166801C Matrix steel of diamond saw blade
09/15/2004CN1166800C Iron based amorphous soft magnetization alloy
09/14/2004US6790002 Steam turbine and power generating equipment
09/10/2004WO2004076703A1 Steel sheet for recording medium case, method for producing same and recording medium case
09/09/2004US20040176934 Method for predicting degree of corrosion of weather-resistant steel
09/09/2004US20040176210 Toroidal-type continuously variable transmission component and method for evaluating the same
09/09/2004DE19909810B4 Warmarbeitsgesenkstahl und diesen umfassendes Bauteil für den Hochtemperatureinsatz Warmarbeitsgesenkstahl and this comprehensive component for high temperature applications
09/09/2004DE19735217B4 Verbundwerkstoff mit hohem Anteil intermetallischer Phasen, vorzugsweise für Reibkörper Composite material with a high proportion of intermetallic phases, preferably for friction body
09/09/2004DE102004009430A1 Verwendung von niedrig legierten Anti-Coking-Stählen mit erhöhtem Silizium- und Mangangehalt in Raffinations- und Erdölchemieanwendungen und neuen Stahlzusammensetzungen Use of low-alloy anti-coking steels with increased silicon and manganese content in petroleum refining and chemical applications and new steel compositions
09/09/2004DE102004005949A1 Spanner vom Sperrklinken-Typ Tensioner from the ratchet type
09/08/2004EP1455368A1 CORROSION−RESISTANT RARE EARTH ELEMENT MAGNET
09/08/2004EP1453984A1 Method for the production of hot strip or sheet from a micro-alloyed steel
09/08/2004EP1326723A4 A method of producing steel
09/08/2004EP1051530A4 Advanced case carburizing secondary hardening steels
09/08/2004CN1527935A Method for prodicting degree of corrosion of weather-resistant steel
09/08/2004CN1526917A Method for providing turbulence structure on internal surface of middle hole of workpiece and relative workpiece
09/08/2004CN1526845A Ni-Mo alloy steel
09/08/2004CN1526844A Heat exchanger of welded freeite stainless steel pipe with very low carbon content
09/08/2004CN1526836A Rolling parts and producing process thereof
09/08/2004CN1526834A TiALFe alloy suitable for alloying treatment of refined steel
09/08/2004CN1526607A Crude oil tank with welding seam having excellent anti-corrosivity