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| Number | Title | Issue Date |
| 7776453 | Machine element and method for manufacturing thereof A hub ring and/or an outer ring constituting a bearing device for a wheel, which is formed of a steel which contains 0.45 to 0.70 mass % of C and at least one of V, Nb and Ti in a total amount of 0.3 mass % or less, wherein a micro structure of a part being not surf... | 08/17/2010 |
| 7569286 | Hardfacing alloy, methods and products Disclosed is a hardfacing alloy capable of withstanding service abrasion of the order of silicious earth particles and weldable on industrial products, such as tool joints and stabilizers used in oil and gas well drilling, and other industrial products. The hardfaci... | 08/04/2009 |
| 7405010 | Metal/rubber composite for tire A metallic body of carbon steel covered with an adhesive layer capable of adhering to a rubber matrix based on diene elastomer. The carbon content of the steel is between 0.35 and 1.2% by weight. The adhesive layer is formed of a metallic layer bearing aluminum oxid... | 07/29/2008 |
| 7393597 | Welded joint made of an austenitic steel A weld joint having a base material and a weld metal both of an austenitic steel, wherein the weld metal has a chemical composition, in mass %, that C: 0.04% or less, Si: 1.0% or less, Mn: 3% or less, P: 0.02% or less, S: 0.005% or less, Cr: 15 to 25%, Ni: 30% or mo... | 07/01/2008 |
| 7390577 | Spray powder The invention relates to a spray powder for coating a substrate (2), in particular for coating a bearing part (2) of a bearing apparatus, the spraying powder having at least the following composition: carbon=0.1% to 1.5% by weight, manganese=0.1% to 8%... | 06/24/2008 |
| 7381478 | Hot rolled steel sheet for processing and method for manufacturing the same An exemplary hot rolled steel sheet for processing can include, in terms of percent by mass, C of 0.01 to 0.2%; Si of 0.01 to 0.3%; Mn of 0.1 to 1.5%; P of ≦0.1%; S of ≦0.03%; Al of 0.001 to 0.1%; N of ≦0.006%; and as a remainder, Fe and unavoidable impurities... | 06/03/2008 |
| 7361411 | Hardfacing alloy, methods, and products Disclosed is a hardfacing alloy capable of withstanding service abrasion of the order of silicious earth particles and weldable on industrial products, such as tool joints and stabilizers used in oil and gas well drilling, and other industrial products. The hardfaci... | 04/22/2008 |
| 7314670 | Welded component A welded component includes at least one high temperature segment of a high alloy Cr steel with high creep strength and a low temperature segment of a low alloy steel with high toughness and/or a high yield strength which are connected materially to one another via ... | 01/01/2008 |
| 7291401 | Non-hexavalent-chromium type corrosion resistant coating film structure having a resin layer and a metal layer that is superior in terms of adhesion to the resin layer A steel material that has on its surface a non-hexavalent-chromium type corrosion-resistant coating film formed by a composite of a metal layer and a resin layer. The steel material having or not having a copper layer is formed with 1) a Zn and/or Zn-based alloy lay... | 11/06/2007 |
| 7279227 | Spraying piston ring A thermal spray coated piston ring having improved initial running-in propery, and having scuffing resistance and wear resistance is provided. The spray coating film (3) of the piston ring (1) contains from 2 to 40 mass % of Sn and from 5 to 50 mass % ... | 10/09/2007 |
| 7244511 | Color steel sheet with embossed patterns on one side thereof A single-side embossed color steel sheet, and a method for manufacturing the same are disclosed. The steel sheet comprises a steel sheet substrate, a zinc or zinc alloy-plated layer, a non-chromate or chromate pretreated layer, a primary coat paint layer of modified... | 07/17/2007 |
| 7217905 | Weld filler metal that reduces residual stress and distortion A filler metal including not more than about 0.1% C, not more than about 1.0% Si; not more than about 0.8% Mn; from about 10.5% to about 13.0% Cr; from about 0.65% to about 4.0% Ni; from about 10(% C) to about 1.5% Ti; not more than about 0.5% each of N, S, P, Mo, N... | 05/15/2007 |
| 7156743 | Mechanical fuse and method of manufacturing the same An inexpensive mechanical fuse having a high fatigue limit ratio and high rupture reliability, and superior in forming performance, and a method of manufacturing the same are presented. The mechanical fuse is composed of Fe-based sintered alloy, and comprises an inn... | 01/02/2007 |
| 7135237 | Hot-dipped Sn—Zn plating provided steel plate or sheet excelling in corrosion resistance and workability A Pb-free hot-dip Sn—Zn coated steel sheet comprising a hot-dip coating layer comprised of 1 to 8.8 wt % of Zn and the balance of Sn in an amount of 91.2 to 99.0 wt % and unavoidable impurities and/or ancillary ingredients on the surface of steel sheet, the coatin... | 11/14/2006 |
| 7118809 | High-strength hot-dip galvanized steel sheet with excellent spot weldability and stability of material properties A high-strength hot-dip galvanized steel sheet is provided which comprises a composite structure consisting essentially of ferrite and martensite. The steel comprises, by mass %, C: 0.05 to 0.12%, Si: not more than 0.05%, Mn: 2.7 to 3.5%, Cr: 0.2 to 0.5%, Mo: 0.2 to... | 10/10/2006 |
| 7105066 | Steel plate having superior toughness in weld heat-affected zone and welded structure made therefrom A welding structural steel product exhibiting a superior heat affected zone toughness, comprising, in terms of percent by weight, 0.03 to 0.17% C, 0.01 to 0.5% Si, 0.4 to 2.0% Mn, 0.005 to 0.2% Ti, 0.0005 to 0.1% Al, 0.008 to 0.030% N, 0.0003 to 0.01% 0.00 1 to 0.2%... | 09/12/2006 |
| 7056599 | Steel sheet for magnetic shields and manufacturing method thereof A steel sheet for a magnetic shield comprising less than 0.005% by weight of C and 0.0003 to 0.01% by weight of B, and having a thickness of 0.05 to 0.5 mm and an anhysteresis magnetic permeability of 7500 or more. ... | 06/06/2006 |
| 7056596 | Method for coating a surface of a track component, in addition to a track component A method for coating a surface of a track component with a coating containing aluminum by means of an arc spraying process. In order to form a coating that exhibits a high resistance to sliding and abrasive wear, aluminum and silicon are applied to the surface in a ... | 06/06/2006 |
| 6986950 | Partition or method for producing a partition for a multilayer pressed packet The invention relates to a partition (1) or a method for producing a partition (1) for a multilayer pressed packet (3), wherein the partition (1) can be placed as a pressing sheet in the composite of a multilayer pressed packet (3)... | 01/17/2006 |
| 6949299 | Spray formed articles made of boron steel The present invention relates to a method of spray forming a boron steel metal article, and to the formed article. In at least one embodiment, the method comprises (a) providing a spray forming pattern, (b) spraying metallic particles onto the spray forming pattern,... | 09/27/2005 |
| 6946038 | Steel plate having Tin+MnS precipitates for welded structures, method for manufacturing same and welded structure A weldable structural steel product having fine complex precipitates of TiN and MnS is provided which contains, in terms of percent by weight, 0.03 to 0.17% C, 0.01 to 0.05% Si, 1.0 to 2.5% Mn, 0.05 to 0.2% Ti, 0.0005 to 0.1% Al, 0.008 to 0.030% N, 0.0003 to 0.01% B... | 09/20/2005 |
| 6939623 | High strength steel plate having superior electromagnetic shielding and hot-dip galvanizing properties The steel plate is manufactured from a composition comprising C, N and S in an amount of 0.0150% by weight or less in total; Mn in an amount of 0.2 to 0.8% by weight; Al inan amount of 0.6% by weight or less; Si in an amount of 0.4% by weight or less; Cu and/or Sn i... | 09/06/2005 |
| 6899966 | Composite surface on a stainless steel matrix A composite surface having a thickness from 10 to 5,000 microns comprising a spinel of the formula MnxCr3−xO4 wherein x is from 0.5 to 2 and oxides of Mn, Si selected from the group consisting of MnO, MnSiO3, Mn2 | 05/31/2005 |
| 6893739 | Steel plate and a hot dip galvanizing steel plate having superior electric and magnetic shielding property A steel plate and a hot-dip galvanized steel plate, superior in terms of high electromagnetic shield capacity. The steel plate is prepared from a composition comprising C, N and S in an amount of 0.150% by weight or less in total; Mn in an amount of 0.1 to 1.0% by w... | 05/17/2005 |
| 6881500 | Chain A chain including chain pins 15, which connect an inner link plate and an outer link plate, are made of carburized or refined steel, and have the entire surface on which a large number of dimples 17 are provided which are formed through a primary shot ... | 04/19/2005 |
| 6861161 | Composite tool A composite tool comprising a supporting part of a metallic material having a first composition and a working part of a metallic material having a second composition which is different from the first composition, a process for the manufacture thereof and a method of... | 03/01/2005 |
| 6828040 | Multi-layers coating for protecting metallic substrates The invention relates to an improved composite used as a bipolar separator plate in fuel cells. The composite of the invention comprises a steel substrate having a carbon coating thereon, the carbon coating comprises a carbon layer derived by pyrolysis of an acetyle... | 12/07/2004 |
| 6818322 | Surface treated steel sheet with less environmental impact for electronic components, excellent in solder wettability, a rust-proof property and a whisker-proof property The present invention provides a surface treated steel sheet for electronic components which does not include lead, which is a hazardous substance with environmental impact, and, in particular, satisfies the solder wettability after retort treatment, a rust-proof pr... | 11/16/2004 |
| 6805975 | Steel sheet for procelain enameling and method for production thereof, and enameled product and method for production thereof Steel sheet for porcelain enameling capable of realizing excellent enamel adhesion with the steel sheet by direct-on enameling once is provided by using a Ti-added steel sheet; there are also a method for producing the same, as well as a porcelain enamel product and... | 10/19/2004 |
| 6783871 | Direct bond of steel at low temperatures The instant invention is directed to a bonded product, such as a manifold, for gas or liquid chromatographs, and a method for making the same. The bonded product is made using the following steps: (i) contacting two or more steel sheets; (ii) heating the contacted s... | 08/31/2004 |
| 6767652 | Galvannealed steel sheet superior in workability A galvannealed steel sheet superior in workability wherein the steel sheet is characterized by containing silicon in an amount no less than 0.8 mass % and retained austenite in an amount no less than 3% (in terms of packing factor) and the alloy zinc plating is char... | 07/27/2004 |
| 6686061 | Steel plate having TiN+CuS precipitates for welded structures, method for manufacturing same and welded structure made therefrom A weldable structural steel product having fine complex precipitates of TiN and CuS is provided which contains, in terms of percent by weight, 0.03 to 0.17%C, 0.01 to 0.05% Si, 0.4 to 2.0% Mn, 0.005 to 0.2% Ti, 0.0005 to 0.1% Al, 0.008 to 0.030% N, 0.0003... | 02/03/2004 |
| 6673472 | Rust preventive carbon steel sheet for fuel tank having good welding gastightness and anticorrosion after forming The present invention provides a hot-dip Al-plated steel sheet for fuel tanks excellent in air-tightness after welding and corrosion resistance subsequent to forming. The present invention provides, as concrete means, a hot-dip Al-plated steel sheet compr... | 01/06/2004 |
| 6667110 | Hybrid steel cord for tires A hybrid steel cord and method of making such cord which includes, in contact with one or more carbon steel wire(s), at least one stainless steel wire whose microstructure contains less than 20% of martensite (% by volume). Articles made of plastic and/or... | 12/23/2003 |
| 6649280 | Cryogen protected superconducting ceramic tape A high performance superconducting ceramic article for use in a liquid cryogen bath is provided. It includes a superconducting ceramic tape having at least one surface vulnerable to cryogenic infiltration is sealed on each vulnerable surface to a non-poro... | 11/18/2003 |
| 6635361 | Magnetic shielding steel sheet and method for producing the same A steel sheet for magnetic shields is provided containing 0.15% by weight or less of C and having a thickness of 0.05-0.5 mm and an anhysteretic magnetic permeability of 7500 or higher.... | 10/21/2003 |
| 6633739 | Detoning blade A detoning blade including a steel member of stainless steel or carbon steel having a length, a width, and a thickness and a coating including titanium nitride or tungsten carbide having a thickness ranging from 0.1 microns to 4 microns or a coating of di... | 10/14/2003 |
| 6627326 | Manufacturing technique for multi-layered structure with magnet using an extrusion process An extruded magnetic structure includes a first layer of low alloy steel compressed powder and a second layer of rare earth metal compressed powder circumferentially disposed around the first layer. A third layer of compressed powder may be circumferentia... | 09/30/2003 |
| 6623869 | Metal material having good resistance to metal dusting A metallic material of the invention which comprises, in mass %, C: not more than 0.2%, Si: 0.01-4%, Mn: 0.05-2%, P: not more than 0.04%, S: not more than 0.015%, Cr: 10-35%, Ni: 30-78%, Al: not less than 0.005% but less than 4.5%, N: 0.005-0.2%, and one ... | 09/23/2003 |
| 6562484 | Steel material of high fatigue strength and a process for manufacturing the same A hot worked steel material, such as a bar, or tube, has a surface layer improving its fatigue strength despite the non-metallic inclusions which it may contain, or the cracks which it may have. The surface layer is formed by heating a nickel layer on the... | 05/13/2003 |
