| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 04/28/2004 | CN1147613C Steel plate to be precipitating TiN+MnS for welded structures, method for manufacturing the same and welded structure using said steel plate |
| 04/28/2004 | CN1147612C Steel sheet for porcelain enamel exellent in forming property, aging property and enameling characteristics and method for production |
| 04/28/2004 | CN1147611C Cold rolled steel sheet and hot rolled steel sheet excellent in bake hardenability and resistance to ordinary temperature and their producing methods |
| 04/28/2004 | CN1147610C High tensile cold-rolled steel sheet excellent in ductility and in strain ageing hardening properties, and method for producing same |
| 04/28/2004 | CN1147609C Hot rolled steel plate excellent in strain aging hardening properties and its producing method |
| 04/28/2004 | CN1147608C Production process of trace-level high-purity silicoferrite |
| 04/28/2004 | CN1147607C High-frequency induction heating method for fusing-casting Tb-Dy-Fe rod material |
| 04/28/2004 | CN1147595C Steel band with good forming properties and method for producing same |
| 04/28/2004 | CN1147568C High temperature wear resistant short tube material of heavy oil catalytially cracking equipment |
| 04/27/2004 | US6726782 Ultra-low carbon steel sheet |
| 04/27/2004 | CA2137522C Austenitic alloys and use thereof |
| 04/22/2004 | WO2004033741A1 Maraging steel golf club head |
| 04/22/2004 | WO2004033739A1 DUCTILE NiAl AND FEAL-BASED INTERMETALLIC ALLOYS AND COATINGS THEREOF |
| 04/22/2004 | WO2004033126A1 Press-hardened part and method for the production thereof |
| 04/22/2004 | WO2003076673A3 High-resistant, low-density hot laminated sheet steel and method for the production thereof |
| 04/22/2004 | WO2003027344A8 Use of an austenitic stainless steel |
| 04/22/2004 | US20040076851 Nickel-aluminide based wear resistant material for piston rings |
| 04/22/2004 | US20040076776 arranging metal plate of a solid solution type alloy on a ceramic substrate and heating the metal plate and the ceramic substrate in a non-oxidizing atmosphere at temperature lower than melting point of the alloy to bond plate to ceramic |
| 04/22/2004 | US20040076539 Particles comprising mixtures of iron, carbon, silicon, sulfur and manganese, used as raw material for iron; purity; quality |
| 04/22/2004 | US20040074628 Method for producing a hot rolled strip made of a steel comprising a high content of manganese |
| 04/22/2004 | US20040074575 Base phase structure, the base phase structure being tempered martensite or tempered bainite and accounting for 50% or more in terms of a space factor relative to the whole structure, or the base phase structure comprising tempered martensite or |
| 04/22/2004 | US20040074574 Steel having not only an excellent long-term creep strength at a high temperature exceeding 650 degrees C., but also an improved oxidation resistance, which is based on ferritic phase and contains 13% by weight or more of chromium, and |
| 04/22/2004 | US20040074573 High strength hot rolled steel sheet containing 0.15% or less C, 0.02 to 0.35% Ti, and 0. 05 to 0.7% Mo by weight percentage and consisting essentially of a matrix of ferrite structure single phase and fine precipitates with a grain |
| 04/22/2004 | US20040074570 Method of producing a cold temperature high toughness structural steel tubing |
| 04/22/2004 | US20040074569 Magnets having excellent magnetic properties and having excellent reliability especially excellent heat stability. The magnetic powder is composed of an alloy composition represented by Rx(Fe1-aCoa)100-x-y-zByMz (where R is at least |
| 04/22/2004 | US20040074565 Grain-oriented magnetic steel sheet having no undercoat film comprising forsterite as primary component and having good magnetic characteristics |
| 04/22/2004 | DE10296960T5 Seltenerdmetall-Magnet und Verfahren zu seiner Herstellung Rare-earth magnet and method for its preparation |
| 04/22/2004 | DE10247372A1 Production of a hardened steel component comprises forming a semi-finished product made from air-hardened steel, cold forming the product to form the finished molded component, and hardening the component by heat treating |
| 04/21/2004 | EP1411532A1 R-t-b-c based rare earth magnetic powder and bonded magnet |
| 04/21/2004 | EP1411140A1 Process for manufacturing of cold-rolled steel strips or sheets having excellent formability |
| 04/21/2004 | EP1411139A1 Ultra-high magnetic flux density unidirectional electrical sheet excellent in high magnetic field iron loss and coating characteristics and production method therefor |
| 04/21/2004 | EP1411138A1 Nonoriented electromagnetic steel sheet |
| 04/21/2004 | EP1409758A1 Railway wheels resistant to martensite transformation |
| 04/21/2004 | EP1409756A1 Method for the protection against corrosion of a steel part made of austenitic or semi-austenitic steel during the production of sulfuric acid |
| 04/21/2004 | EP1360704A4 Isotropic rare earth material of high intrinsic induction |
| 04/21/2004 | EP0996754B1 High corrosion resistant aluminium alloy containing zirconium |
| 04/21/2004 | EP0946774B1 Iron-based powder |
| 04/21/2004 | CN1491291A Heat-treated steel wire for high strength spring |
| 04/21/2004 | CN1491290A Ferritic stainless steel sheet excellent in press formability and workability and method for production thereof |
| 04/21/2004 | CN1491287A High-strength isotropic steel, method for making steel plates and resulting plates |
| 04/21/2004 | CN1491136A Self-adjusting blade |
| 04/21/2004 | CN1490427A Low alloy steel-09CrCuSb (ND steel) for sulfuric acid proof dew point corrosive seamless steel pipe |
| 04/21/2004 | CN1490426A Abrasion resistant casting alloy for dredging tool and preparing method thereof |
| 04/21/2004 | CN1490184A Bicycle frame parts made from anti-bending stainless steel |
| 04/21/2004 | CN1146672C Super high tensile cold-rolled steel plate and method for production thereof |
| 04/21/2004 | CN1146497C Wear resistant composite alloy parts and its producing method |
| 04/20/2004 | US6723453 Welded steel pipe having excellent hydroformability and method for making the same |
| 04/20/2004 | US6723182 Martensitic alloy steels having intermetallic compounds and precipitates as a substitute for cobalt |
| 04/20/2004 | US6723181 Soft stainless steel sheet excellent in workability |
| 04/20/2004 | US6723175 Formed member made of steel sheet and method for producing same |
| 04/20/2004 | US6722786 Vehicle-use bearing apparatus |
| 04/15/2004 | WO2004031434A1 Surface-carbonitrided stainless steel parts excellent in wear resistance and method for their manufacture |
| 04/15/2004 | WO2004031430A1 Ferritic steel alloy |
| 04/15/2004 | WO2004031429A1 High-precision sintered cam lobe material |
| 04/15/2004 | WO2004031428A1 Steel composition and parts forged by a forging die |
| 04/15/2004 | WO2004031420A1 High strength seamless steel pipe excellent in hydrogen-induced cracking resistance and its production method |
| 04/15/2004 | WO2004031419A1 Graphite and nitrogen-free cast alloys |
| 04/15/2004 | WO2004004944A3 Steel hollow-head screw |
| 04/15/2004 | US20040072014 Method for providing turbulation on the inner surface of holes in an article, and related articles |
| 04/15/2004 | US20040071580 Method for producing oxide dispersion strengthened ferritic steel tube |
| 04/15/2004 | US20040071379 Rolling bearing with nitriding steel cylindrical rollers |
| 04/15/2004 | US20040071378 Rolling bearing comprising a powder metallurgical component |
| 04/15/2004 | US20040069858 Steel rails' joint fishplate made of xy30 steel |
| 04/15/2004 | US20040069382 Thin steel sheet for automobile excellent in notch fatigue strength and method for production thereof |
| 04/15/2004 | US20040069378 Containing 7-30 ppm by weight boron and 10-70 ppm by weight nitrogen, contained as a Fe(B,N) solid solution that may contain C |
| 04/15/2004 | US20040069377 Between the steps of casting and cold rolling sulfides, selenides or nitrides second phases are precipitated in the matrix to control grain growth; further nitride precipitation between cold rolling and secondary recrystallization |
| 04/15/2004 | DE19628350B4 Verwendung einer rostfreien ferritisch-austenitischen Stahllegierung Use a stainless ferritic-austenitic steel alloy |
| 04/15/2004 | DE10246165A1 Verwendung einer Stahllegierung Use of a steel alloy |
| 04/14/2004 | EP1408324A1 Method for predicting degree of corrosion of weather-resistant steel |
| 04/14/2004 | EP1408132A1 Ferritic stainless steel sheet for use in exhaust parts with good formability, high-temperature strength, high-temperature oxidation resistance, and low-temperature toughness |
| 04/14/2004 | EP1408131A1 Steel composition and forged workpieces made thereof |
| 04/14/2004 | EP1408128A1 Method for producing oxide dispersion strengthened ferritic steel tube |
| 04/14/2004 | EP1246949A4 Improved metallurgical powder compositions and methods of making and using the same |
| 04/14/2004 | EP1047798A4 Ultra-high strength ausaged steels with excellent cryogenic temperature toughness |
| 04/14/2004 | EP1040205A4 Ultra-high strength dual phase steels with excellent cryogenic temperature toughness |
| 04/14/2004 | CN1488857A 制冷剂压缩机 A refrigerant compressor |
| 04/14/2004 | CN1488774A Iron-chromium alloy structure with excellent corrosion resisting and adhesion properties and manufacturing method thereof |
| 04/14/2004 | CN1145713C Austenitic stainless steel with good accurate punching property |
| 04/14/2004 | CN1145712C Iron-nickel-cobalt alloy for plane screen frame with good low heat expansion property after blackening treatment |
| 04/14/2004 | CN1145711C Pipeline distribution network system for transportation of liquefied natural gas |
| 04/14/2004 | CN1145710C Steel pipe for use in reinforcement of automobile and method for production thereof |
| 04/14/2004 | CN1145709C High tensile cold-rolled steel sheet having excellent strain aging hardening properties and production method thereof |
| 04/13/2004 | US6719855 Fe—Cr—Al based alloy foil and method for producing the same |
| 04/13/2004 | US6719854 Improved quiet |
| 04/13/2004 | CA2264823C Age hardenable alloy with a unique combination of very high strength and good toughness |
| 04/09/2004 | CA2444707A1 Ductile nial intermetallic compositions |
| 04/08/2004 | WO2004029996A1 R-t-b based rare earth element permanent magnet |
| 04/08/2004 | WO2004029995A1 R-t-b rare earth permanent magnet |
| 04/08/2004 | WO2004029315A1 Hot milled wire rod excelling in wire drawability and enabling avoiding heat treatment before wire drawing |
| 04/08/2004 | WO2004029314A1 Machine part and method for manufacturing same |
| 04/08/2004 | WO2004029304A1 Cu-CONTAINING STEEL PRODUCT OF EXCELLENT SURFACE PROPERTY AND PROCESS FOR PRODUCING THE SAME |
| 04/08/2004 | WO2003056053B1 Precipitation hardenable austenitic steel |
| 04/08/2004 | US20040067154 High speed cooling; from melt; alloy containing borides; pulverization; nanoparticle size |
| 04/08/2004 | US20040066297 Marker for use in a magnetic anti-theft security system |
| 04/08/2004 | US20040066129 Material for shadow mask, method for production thereof, shadow mask comprising the material and picture tube using the shadow mask |
| 04/08/2004 | US20040065393 Low temperature electromagnets |
| 04/08/2004 | US20040065390 High temperature, high strength, oxidation resistance ; low temperature toughness |
| 04/08/2004 | DE10243179A1 Case hardening steel used in the manufacture of workpieces e.g. for the construction of vehicles contains alloying additions of chromium, niobium and titanium |
| 04/08/2004 | DE10152293B4 Verwendung einer Chrom-Stahllegierung Using a chromium steel alloy |
| 04/07/2004 | EP1405931A2 Heat-resisting cast steel |