Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
11/2003
11/11/2003US6645317 Metal components for picture tubes
11/11/2003CA2215447C Heat-resistant alloy steel for hearth metal members of steel material heating furnaces
11/06/2003WO2003092120A2 Copper cladded ultra high strength electrical conductor
11/06/2003WO2003091467A2 Process for manufacturing an alloy material for use in the manufacture of synthetic diamonds
11/06/2003WO2002088404A3 Iron-chrome-aluminium-alloy
11/06/2003US20030207144 Soft magnetic alloy fiber, manufacturing method for soft magnetic alloy fiber, and information recording article using soft magnetic alloy fiber
11/06/2003US20030206822 High purity iron, method of manufacturing thereof, and high purity iron targets
11/06/2003US20030205355 Method of producing steel strip
11/06/2003US20030205353 Soft magnetic alloy fiber, manufacturing method for soft magnetic alloy fiber, and information recording article using soft magnetic alloy fiber
11/06/2003US20030205296 Fe-Ni based permalloy and method of producing the same and cast slab
11/05/2003EP1359235A1 Thin steel sheet and method for production thereof
11/05/2003EP1359234A1 Alloyed zinc dip galvanized steel sheet
11/05/2003EP1358660A1 Method of making material alloy for iron-based rare earth magnet
11/05/2003EP1358359A2 Steel and method for producing an intermediate product
11/05/2003CN1453459A Reinforcing air intake valve for diesel engine of diesel locomotive and its manufacture
11/05/2003CN1453458A Double-metal exhaust gate for diesel engine of diesel locomotive and its manufacture
11/05/2003CN1453386A Stainless steel ball
11/05/2003CN1453096A Solid welding wire for unplating welding use
11/05/2003CN1126929C Improved cascade refrigeration method for liquefied natural gas
11/05/2003CN1126928C Improved process for liquefied natural gas
11/05/2003CN1126825C Fe-Cr-Ni alloy for electron gun poles with excellent corrosion resistance and strip thereof
11/05/2003CN1126824C Non-orientation electrical steel plate used for miniature precision electric machine
11/04/2003US6641931 Method of production of cold-rolled metal coated steel products, and the products obtained, having a low yield ratio
11/04/2003US6641780 A ferritic stainless steel having improved high temperature mechanical properties includes greater than 25 weight percent chromium, 0.75 up to 1.5 weight percent molybdenum, up to 0.05 weight percent carbon, and at least one of niobium, titanium
11/04/2003US6641779 Fe-based sintered valve seat having high strength and method for producing the same
11/04/2003US6641682 Method for manufacturing an aperture grill material for color picture tube
11/04/2003US6641681 Steel having the following chemical composition in weigh-%: 1.0- 1.9 C, 0.5-2.0 Si, 0.1-1.5 Mn, 4.0-5.5 Cr, 2.5-4.0 (Mo+W/2), however max 1.0 W, 2.0-4.5 (V+Nb/2), however max 1.0. Nb, balance iron and impurities in normal amounts in the
11/04/2003US6641680 Process for producing inner race for constant velocity joint having improved workability and strength
10/2003
10/30/2003WO2002050322A3 A steel plate and a hot dip galvanizing steel plate having superior electric and magnetic shielding property
10/30/2003US20030201864 High performance bulk metal magnetic component
10/30/2003US20030201263 Welding material and a method of producing welded joint
10/30/2003US20030201039 Tensile strength; high strength; ductility
10/30/2003US20030201038 Methods of manufacturing hot-dip galvanized hot-rolled and cold-rolled steel sheets excellent in strain age hardening property
10/30/2003US20030201036 High-strength spring steel and spring steel wire
10/29/2003EP1357308A2 Rolling element bearing with ring or rolling elements made of chromium steel
10/29/2003EP1357199A1 Precipitation-hardened soft magnetic ferritic stainless steel
10/29/2003EP1357198A1 Austenitic stainless alloy excellent in high temperature strength and corrosion resistance, heat resistant pressurized parts, and the manufacturing method thereof
10/29/2003EP1357196A1 Fabrication of a high-strength steel article with inclusion control during melting
10/29/2003EP1356127A2 Process for the production of grain oriented electrical steel strips
10/29/2003EP1356126A2 Process for the production of grain oriented electrical steel strips
10/29/2003EP1355866A1 Powers which have an antibacterial and a far infrared ray radiating property and a bio-wave steel plate which is coated with resin containing the same
10/29/2003EP1172451B1 Material for shadow mask, method for production thereof, shadow mask and image receiving tube
10/29/2003EP1154029B1 Color picture tube shadow mask material
10/29/2003CN1451778A Excellent high-temp. strength and corrosion resistance austenite stainless steel, heat- and pressure-resistant component thereof and method for mfg. same
10/29/2003CN1451777A Nitrogen-contg. austenite Mn-Cr steel specially adapted for frog of railway
10/29/2003CN1451776A Mn-Si-Cr air-cooled granular bainite/ferrite polyphase steel
10/29/2003CN1451774A Method for producing middle and low carbon manganese iron
10/29/2003CN1125882C Ultra high strength triple phase steels with excellent cryogenic temp toughness
10/28/2003US6638596 Thin film magnetic head using soft magnetic film having soft magnetic characteristics of high resistivity, low coercive force, and high saturation magnetic flux density
10/28/2003US6638371 Cold-rolled steel sheet having ultrafine grain structure and method for manufacturing the same
10/28/2003US6638368 Non-oriented electrical steel sheet and method for producing the same
10/28/2003US6638367 Iron/rare earth element-based magnet powder having high coercive force in humid atmosphere
10/28/2003US6638335 Optimized particle size distribution; Vickers microhardness of particles that do not pass through sieve having nominal opening of 150 mu m is controlled to be at most about 110; magnetism, mechanical strength
10/28/2003CA2310521C Pearlitic steel railroad rail
10/23/2003WO2003087421A1 Steel for case hardening bearing excellent in toughness and rolling fatigue life in quasi-high temperature region
10/23/2003WO2003087420A1 Directional hot rolled magnetic steel sheet or strip with extremely high adherence to coating and process for producing the same
10/23/2003WO2003087419A1 Deformed wire for reinforcing marine optical fiber cable
10/23/2003WO2003087418A1 Deformed wire for reinforcing land optical fiber cable
10/23/2003WO2003087415A1 Method for producing martensitic stainless steel
10/23/2003US20030198567 Aging resistance; controlling grain particle sizes; pressurized parts
10/23/2003US20030197050 Fluxless brazing method and compositions of layered material systems for brazing aluminum or dissimilar metals
10/23/2003US20030196735 Steel plate excellent in shape freezing property and method for production thereof
10/23/2003US20030196730 Having high residual magnetization and large intrinsic coercive force
10/22/2003EP1355071A1 Rolling bearing for continuously variable transmission
10/22/2003EP1354975A1 Stainless steel sheet for welded structural components and method for making the same
10/22/2003EP1354974A1 Non-magnetic stainless steel, slide fastener and buttons suitable for use with needle detector
10/22/2003EP1354973A1 High-strength steel sheet and high-strength pipe excellent in deformability and method for producing the same
10/22/2003EP1354972A1 Cold-rolled steel sheet having ultrafine grain structure and method for manufacturing the same
10/22/2003EP1354971A1 Bearing material
10/22/2003EP1354970A1 High-strength molten-zinc-plated steel plate excellent in deposit adhesion and suitability for press forming and process for producing the same
10/22/2003EP1354070A2 High-strength isotropic steel, method for making steel plates and resulting plates
10/22/2003EP1235682B1 Use of a heat resistant alloy with good high temperature oxidation resistance as foil or electrical heating conductor
10/22/2003EP1149928B1 Hot dip galvanized steel plate excellent in balance of strength and ductility and in adhesiveness between steel and plating layer
10/22/2003EP1017531B1 Ultra-high strength cryogenic weldments
10/22/2003EP0938105B1 Powder for permanent magnet, method for its production and anisotropic permanent magnet made using said powder
10/22/2003CN1451166A Rare earth element permanent magnet material
10/22/2003CN1450570A Nano crystal soft magnetic alloy superthin belt and mfg method thereof
10/22/2003CN1450192A Tin containing free-cutting steel
10/22/2003CN1450191A High-tensile strength hot-rolled steel sheet excellent in elongation properties and stretch flangeability and producing method thereof
10/22/2003CN1450190A Rereearth-iron base compound magnetic refrigeration material with large magnetic entropy change and preparation process thereof
10/22/2003CN1450189A No-magnetic casting iron and application thereof
10/22/2003CN1125472C Feedstock powder for R-Fe-B magnet and process for producing R-Fe-B magnet
10/22/2003CN1125188C Alloyed hot dip galvanized steel sheet
10/22/2003CN1125187C Hot-rolled steel sheet with fine antiweatherability and working property and method for making same
10/22/2003CN1124896C Catalyst support body for two-wheeled vehicles or diesel engine
10/21/2003US6635361 Magnetic shielding steel sheet and method for producing the same
10/21/2003US6635313 Method for coating a steel alloy
10/21/2003US6635129 Wire rod steel
10/21/2003US6635128 Work hardened poppet exhaust valve
10/21/2003US6635127 Cold rolling; tensile strength, ductility, hardening
10/21/2003US6635126 Alloy comprising iron, carbon, cobalt, nickel, chromium, molybdenum, and vanadium; bearings, gears
10/21/2003CA2216659C Semiprocessed nonoriented magnetic steel sheet having excellent magnetic characteristics and method for making the same
10/16/2003WO2003085150A1 Fe-BASE AMORPHOUS ALLOY THIN STRIP OF EXCELLENT SOFT MAGNETIC CHARACTERISTIC, IRON CORE PRODUCED THEREFROM AND MASTER ALLOY FOR QUENCH SOLIDIFICATION THIN STRIP PRODUCTION FOR USE THEREIN
10/16/2003WO2003085149A1 Pealite based rail excellent in wear resistance and ductility and method for production thereof
10/16/2003WO2003085148A1 Low-thermal expansion alloy thin sheet and its manufacturing method
10/16/2003WO2003085147A1 Alloy for use in bonded magnet, isotropic magnet powder and anisotropic magnet powder and method for production thereof, and bonded magnet
10/16/2003WO2003069005A3 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
10/16/2003US20030194343 Stainless steel alloy having lowered nickel-chromium toxicity and improved biocompatibility
10/16/2003US20030192626 Precipitation-hardened soft magnetic ferritic stainless steels
10/16/2003US20030192625 High carbon steel railroad rails; resistant to rolling fatigue damage; alloy comprises carbon, silicon, manganese, chromium, copper, nickel, molybdenum, sulfur, aluminum, and iron; ultrafine pearlite; hardness