Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
09/2004
09/08/2004CN1165634C Spring steel for vibration damping of high-speed train railway and its mfg. process
09/08/2004CN1165633C Anti-fatigue crack fine expansitivity steel material and method for making same
09/07/2004US6787736 Maximum travel speed of the wire when used in welding corresponds to the core composition comprising a percentage of mo ranging from about 0% wt to about 0.4% wt.
09/07/2004US6786981 Ferritic stainless steel sheet for fuel tank and fuel pipe
09/07/2004US6786980 Surface hardness of 360-420 bhn; heating to at least its austentizing temperature, quenching to below its martinsite finish temperature, and tempering the steel product at a temperature of at least 800 degrees f.
09/02/2004WO2004075321A1 Electrode for fuel cell and fuel cell using same
09/02/2004WO2004074529A1 High strength steel product excellent in characteristics of resistance to hydrogen embrittlement
09/02/2004WO2004074525A2 Electrical contact material consisting of a cobalt-nickel-iron alloy and method for producing said material
09/02/2004WO2004061145B1 Cr-w-v bainitic/ferritic steel compositions
09/02/2004US20040171447 Ratchet type tensioner
09/02/2004US20040170518 Ferritic stainless steel for member of exhaust gas flow passage
09/02/2004US20040169026 Maximum travel speed of the wire when used in welding corresponds to the core composition comprising a percentage of mo ranging from about 0% wt to about 0.4% wt.
09/02/2004US20040168753 Steel sheet and method for manufacturing the same
09/02/2004US20040168750 Double phase stainless steel strip for steel belt
09/02/2004US20040168747 Preparing solidified alloy by rapidly quenching a melt of an alloy comprising a rare-earth elements including Y, a transition metal including iron as its main ingredient, boron, and carbon; heat treatment, crystallization
09/02/2004DE10306421A1 Heat-resistant steel contains silicon, manganese, chromium, nickel, boron, aluminum, titanium, magnesium, calcium and a balance of iron
09/01/2004EP1452617A1 Methods of forming steel
09/01/2004EP1452616A1 Ferritic stainless steel sheet excellent in press formability and workability and method for production thereof
09/01/2004EP1452615A1 Method for reuse of steel sheet scrap
09/01/2004EP1452611A1 Method of producing products made from carbide-reinforced, structural metal materials
09/01/2004EP1451834A1 Method of preparing polymer composite using unidirectionally solidified giant magnetostrictive material
09/01/2004CN1526147A Rare earth magnetic alloy sheet, its manufacturing method, sintered rare earth magnetic alloy powder, sintered rare earth magnet, metal powder for bonded magnet, and bonded magnet
09/01/2004CN1526051A Exhaust guide assembly for VGS type turbo charger improved in heat resistance and method of producing heat-resisting members applicable thereto, and method of producing raw material for variable vanes
09/01/2004CN1524976A Refractory steel and manufacturing method thereof
09/01/2004CN1164788C High wear-resistant ally and production method thereof
09/01/2004CN1164787C Tool steel alloy for preparing powder metallurgy parts
09/01/2004CN1164786C XY30 non-nickel high manganese steel and its application
09/01/2004CN1164785C Stainless steel pipe with excellent suitability for secondary processing for automotive structure member
08/2004
08/31/2004US6783728 Free-cutting steel for machine structural use having good machinability in cutting by cemented carbide tool
08/31/2004US6783727 Austenitic steel
08/31/2004US6783610 Railway wheel alloy
08/31/2004US6783609 To be made into steel wires for tire reinforcement, steel wires for prestressed concrete, and steel wires for ropes
08/31/2004US6783568 Matrix including a distribution of tempered martensite regions including spheroidal alloy carbide precipitates derived from the first alloy steel powder randomly dispersed throughout the matrix
08/31/2004CA2304065C High-strength steel sheet having excellent formality and resistance to softening of the heat affected zone after welding
08/31/2004CA2300992C Steel wire rod and method of manufacturing steel for the same
08/26/2004WO2004072316A1 Austenitic stainless steels including molybdenum
08/26/2004WO2004072315A1 Alloy steel powder for metal injection molding improved in sintering characteristics and sintered article
08/26/2004WO2004072313A2 Formation of metallic thermal barrier alloys
08/26/2004WO2004072312A2 Highly active liquid melts used to form coatings
08/26/2004WO2004072308A2 Fine-grained martensitic stainless steel and method thereof
08/26/2004US20040166369 High saturation flux density soft magnetic film
08/26/2004US20040166015 containing 13% by weight or more of chromium, and containing precipitates of intermetallic compounds; excellent long-term creep strength at high temperatures and improved oxidation resistance
08/26/2004US20040165804 Vehicle-use bearing apparatus
08/26/2004US20040163741 Method of manufacture of ultra-low carbon steel
08/26/2004US20040163738 Chromium steel alloys and articles made thereof
08/26/2004US20040163737 Rare earth magnet and method for production thereof
08/26/2004DE10360824A1 Iron-based sintered body, for light metal alloy, comprises carbon, copper, and iron, and has structure containing pores and free copper phases dispersed in matrix
08/26/2004DE10305912A1 Hybrid-Schaufel für thermische Turbomaschinen Hybrid bucket of thermal turbomachinery
08/26/2004DE10297293T5 Pressvorrichtung und Verfahren zur Herstellung eines Magneten Press apparatus and method for manufacturing a magnet
08/26/2004CA2515219A1 Fine-grained martensitic stainless steel and method thereof
08/26/2004CA2513897A1 Austenitic stainless steels including molybdenum
08/25/2004EP1450056A2 High-strength connecting rod and method of producing same
08/25/2004EP1449933A1 Power transmission belt
08/25/2004EP1449932A1 Free-cutting steel
08/25/2004EP1381701B1 Iron-chrome-aluminium-alloy
08/25/2004EP1228255B1 Method for producing a hot strip
08/25/2004CN1524131A Method of coating substrate with thermal sprayed metal powder
08/25/2004CN1524130A Ferritic stainless steel for member of exhaust gas flow passage
08/25/2004CN1523241A High-strength connecting rod and method of producing same
08/25/2004CN1163915C Soft magnet-nickel alloy
08/24/2004US6780258 Austenitic stainless steel less susceptible to cracking during forming and a manufacturing method thereof
08/24/2004US6780257 Comprising iron body material having a given shape, iron oxide fragments of an oxide abrasive material in and near surface of body material being reduced so that iron is dispersed into the body
08/24/2004CA2171079C Ballistic resistant metal armor plate
08/19/2004WO2004070075A1 Steel sheet plated by hot dipping with alloyed zinc with excellent adhesion and process for producing the same
08/19/2004WO2004070064A2 Ultrahigh strength hot-rolled steel and method of producing bands
08/19/2004WO2004069446A1 Method for the production of a high-pressure fuel tank
08/19/2004WO2004042100A3 High temperature resistant alloys
08/19/2004US20040159822 Solution with water-soluble substance dissolved includes sodium nitrite for corrosion resistance
08/19/2004US20040159380 Ferritic stainless steel sheet with excellent workability and method for making the same
08/19/2004US20040159373 main structure of retained austenite (5-30 area %) and ferrite (no less than 50 area %); there exist no more than 40 carbide grains per 2000 mu m2 between the retained austenite and the ferrite; high strength; suitable for automobiles
08/19/2004US20040159180 High-strength connecting rod and method of producing same
08/19/2004DE10304961B3 Verfahren zur Herstellung eines Kraftstoffhochdruckspeichers A process for producing a fuel high-pressure accumulator
08/19/2004DE102004003541A1 Stahl zur Verwendung in einer hochfesten Ritzelwelle und Herstellungsverfahren hierfür Steel for use in high strength pinion shaft and manufacturing method thereof
08/18/2004EP1447823A1 Compound for rare earth element based bonded magnet and bonded magnet using the same
08/18/2004EP1447524A2 Hybrid blade for thermal turbomachines
08/18/2004EP1446816A1 Nanocomposite magnet
08/18/2004EP1446513A1 Super-austenitic stainless steel
08/18/2004EP1446512A1 Martensitic stainless steel and method for manufacturing same
08/18/2004EP1446509A1 Duplex stainless steels
08/18/2004EP1446262A1 Improvements in fluxless brazing
08/18/2004EP1446261A1 Product and method for low temperature fluxless brazing
08/18/2004EP1446260A1 Fluxless brazing method and compositions of layered material systems for brazing aluminum or dissimilar metals
08/18/2004EP1446244A1 Flattened u-bolt and method-for making said u-bolt
08/18/2004CN1522449A Laminated soft magnetic member, soft magnetic sheet and production method for laminated soft magnetic member
08/18/2004CN1522311A Pealite based rail excellent in wear resistance and ductility and method for production thereof
08/18/2004CN1522310A Metal gasket and a material for its manufacture and a method for their manufacture
08/18/2004CN1521287A Anticorrosion and anti-abrasion ferrous alloy for high water head, high flow rate hydraulic machinery
08/18/2004CN1521286A 稀土改性的FeMnSiCr形状记忆合金及其制备方法 Rare earth modified FeMnSiCr shape memory alloy and its preparation method
08/18/2004CN1521285A Ultra-low-carbon bainite steel and producing method thereof
08/18/2004CN1521092A Steel strapping
08/18/2004CN1162566C Method for making steel plate for drum cans
08/18/2004CN1162565C Thin magnet alloy belt and manufacturing method thereof
08/18/2004CN1162564C Cold rolling electromagnetic pure iron plate having very low coercive force and production method thereof
08/17/2004US6777863 Material for aperture grill for color picture tube, process for making the same, aperture grill, and picture tube
08/17/2004US6777452 Mixing metal chips or powders, melting and rapidly quenching to form a solid metal alloy precursor, removing most of the aluminum by caustic extraction/leaching, then loading with a potassium alcohol promoter
08/17/2004US6776956 Steel for separators of solid-oxide type fuel cells
08/17/2004US6776855 Maraging steel excellent in fatigue characteristics and method for producing the same
08/12/2004WO2004068513A1 Hard magnetic composition, permanent magnet powder, method for permanent magnet powder, and bonded magnet
08/12/2004WO2004067793A2 Corrosion and wear resistant alloy
08/12/2004WO2004067790A1 Steel pipe for bearing elements, and methods for producing and cutting the same