| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 11/12/2008 | CN101305109A Iron-based alloy having shape-memory property and superelasticity and method for manufacture thereof |
| 11/12/2008 | CN101302602A Rare earth austenite hot work die steel and preparation thereof |
| 11/12/2008 | CN101302601A High-strength tough large-cross section non-quenched and tempered steel rod and preparation thereof |
| 11/12/2008 | CN101302600A Boron micro-alloying low-carbon two-phase steel produced by hot continuous rolling process |
| 11/12/2008 | CN101302599A Niobium microalloyed high strength hot work die steel and preparation thereof |
| 11/12/2008 | CN101302598A Sintered carbide tool, cutting system and cutting method thereof |
| 11/12/2008 | CN101301876A Low-alloy high-strength steel automobile rear bumper beam and manufacturing method thereof |
| 11/12/2008 | CN100433204C Rare-earth magnet |
| 11/12/2008 | CN100432376C Steam turbine power generation system and low-pressure steam turbine rotor |
| 11/12/2008 | CN100432265C Nickle chromium cobalt iron alloy and its smelting tech. process and equipment of blast furnace opening of blocking slag |
| 11/12/2008 | CN100432264C Thermostable antiwear oxidation resistant alloyed steel and preparation method thereof |
| 11/12/2008 | CN100432263C Ultrahigh-strength and high-toughness welded cast steel |
| 11/12/2008 | CN100432262C Rare earth-containing high-nitrogen ultralow-nickel super-duplex stainless steel alloy materials and method for preparing same |
| 11/12/2008 | CN100432261C Steel plate and welded steel tube exhibiting low yield ratio, high strength and high toughness and method for producing thereof |
| 11/12/2008 | CN100432244C Method for producing medium-carbon steel deformation induced ferrite |
| 11/12/2008 | CN100432241C Assistant deoxidizer in use for smelting cold rolled and hot rolled low carbon aluminium-killed steel |
| 11/11/2008 | US7449074 Process for forming a nano-crystalline steel sheet |
| 11/06/2008 | WO2008133337A1 Process for producing unidirectionally grain oriented electromagnetic steel sheet |
| 11/06/2008 | WO2008133320A1 Exhaust guide part of turbocharger with nozzle vane |
| 11/06/2008 | WO2008133302A1 Soft magnetic thin strip, process for production of the same, magnetic parts, and amorphous thin strip |
| 11/06/2008 | WO2008133301A1 Soft magnetic alloy, process for production thereof and magnetic parts |
| 11/06/2008 | WO2008133175A1 Flexible tin-plated steel sheet and process for producing the same |
| 11/06/2008 | WO2008133062A1 High-strength hot-dip galvanized steel sheet and method for producing the same |
| 11/06/2008 | WO2008132882A1 High-strength hot-rolled steel plate for line pipes excellent in low-temperature toughness and process for production of the same |
| 11/06/2008 | WO2008132801A1 R-t-b sintered magnet and method for producing the same |
| 11/06/2008 | WO2008132303A1 Steel for tool-less hot forming or quenching with improved ductility |
| 11/06/2008 | WO2008131614A1 A SMELTING METHOD OF LOW-P STAINLESS STEEL BASE USING LOW-GRADE IRONSTONE CONTAINING Ni AND Cr |
| 11/06/2008 | WO2008021635A3 Metal gasket and method of making |
| 11/06/2008 | US20080274009 R-t-b based sintered magnet |
| 11/06/2008 | US20080274008 Corrosion-Resistant Steel Excellent in Toughness of Base Metal and Weld Portion, and Method of Manufacturing the Same |
| 11/06/2008 | US20080274007 Comprised of controlled content of carbon, silicon, manganese, copper, chromium, moly54321`813098`bdenum, boron, nitrogen and iron; minimizing phosphorous, sulfur and oxygen impurities; corrosion resistance and workability; durable deep drilling equipment |
| 11/06/2008 | US20080274006 Overlay cladding for molten metal processing |
| 11/06/2008 | US20080271824 Spring Steel Wire |
| 11/06/2008 | US20080271823 Method for Steel Strip Coating and a Steel Strip Provided With Said Coating |
| 11/06/2008 | US20080271819 Electrical steel; controlling concentration of bismuth; annealing, cold rolling, hot rolling, heating, decarboxylation; process control |
| 11/06/2008 | DE102007021101A1 Legierter Stahl und dessen Verwendung Alloy steel and its use |
| 11/06/2008 | CA2684031A1 High tensile-strength galvanized steel sheet and process for manufactutring high tensile-strength galvanized steel sheet |
| 11/06/2008 | CA2680623A1 Steel for tool-less hot forming or quenching with improved ductility |
| 11/06/2008 | CA2679623A1 High strength hot rolled steel products for line-pipes excellent in low temperature toughness and production method of the same |
| 11/05/2008 | EP1988183A1 R-t-b alloy, method for producing the same, fine powder for r-t-b rare earth permanent magnet, and r-t-b rare earth permanent magnet |
| 11/05/2008 | EP1988182A1 Ferritic heat-resistant steel |
| 11/05/2008 | EP1799875A4 Production of ferro-alloys |
| 11/05/2008 | CN101300700A Heat resistant conductive member, alloy member for fuel cell, power collecting member for fuel cell, cell stack and fuel cell |
| 11/05/2008 | CN101300371A Heat-resistant alloy capable of depositing fine Ti-Nb-Cr carbide or Ti-Nb-Zr-Cr carbide |
| 11/05/2008 | CN101300370A High-manganese austenitic stainless steel for high-pressure hydrogen gas |
| 11/05/2008 | CN101300369A Seamless steel pipe for line pipe and method for producing same |
| 11/05/2008 | CN101300365A Methods for heat treating thick-walled forgings |
| 11/05/2008 | CN101298649A High-strength nonmagnetic stainless steel, component containing the same and manufacturing method thereof |
| 11/05/2008 | CN101298648A Molybdenum-titanium composite iron-chromium-cobalt permanent magnetic alloy and deformation processing technique |
| 11/05/2008 | CN101298647A Iron-chromium-cobalt permanent magnetic alloy of composite microelements and deformation processing technique thereof |
| 11/05/2008 | CN101298646A Aluminum-niobium composite iron-chromium-cobalt permanent magnetic alloy and deformation processing technique |
| 11/05/2008 | CN101298645A Steel plate having superior pitting corrosion resistance and manufacturing method thereof |
| 11/05/2008 | CN100431062C Sintered R-Fe-B series permanent magnet and its manufacturing method |
| 11/05/2008 | CN100431012C Perpendicular magnetic recording system and medium with high-moment corrosion-resistant soft underlayer |
| 11/05/2008 | CN100430511C Cold rolled strip steel for shadow mask and its making process |
| 11/05/2008 | CN100430510C High-performance low-cost high speed steel |
| 11/05/2008 | CN100430509C Low-alloy and superhigh carbon composite phase steel and its manufacture |
| 11/05/2008 | CN100430508C Antibacterial stainless steel production method based on general 430 ferritic stainless steel |
| 11/05/2008 | CN100430507C 700MPa grade high ductility low-yield ratio thick steel plate and manufacture method thereof |
| 11/05/2008 | CN100430506C Nickel-free micro-alloy low-temperature pressure vessel steel and manufacturing method thereof |
| 11/05/2008 | CN100430505C Superhigh-strength cold rolling band steel with anti-tensile strength above 880Mpa and its production |
| 11/05/2008 | CN100430182C Method for manufacturing nano-crystal particle low carbon micro alloy steel |
| 11/04/2008 | US7445750 Toughness; cutting tools and of metrological instruments |
| 11/04/2008 | US7445749 Stainless steel alloy having lowered nickel chromium toxicity and improved biocompatibility |
| 11/04/2008 | US7445680 For use in tools adapted for drilling, tapping, reaming, or boring |
| 11/04/2008 | US7445678 Maraging steel and method of producing the same |
| 10/30/2008 | WO2008130054A1 Hot-worked steel material having excellent machinability and impact value |
| 10/30/2008 | WO2008129803A1 Soft magnetic alloy, magnetic component using the same, and their production methods |
| 10/30/2008 | WO2008129490A2 Process for the production of a grain oriented magnetic strip |
| 10/30/2008 | US20080264530 Quenching by cooling; self tempering; for automobile steel axle units such as constant-velocity universal joint and hub, and machine engine parts such as crankshaft |
| 10/30/2008 | US20080264526 Hot working die steel for die-casting |
| 10/30/2008 | US20080264525 Tolerance for copper is reduced with reduction in thickness of slab; solidification and cooling melt in a nonoxidizing atmosphere to less than 1080 degrees C, below the solidification temperature of copper; hot shortness prevented |
| 10/30/2008 | US20080264524 Martensite microstructure; cost efficiency |
| 10/30/2008 | DE202008009961U1 Drahtförmiger Spritzwerkstoff Wire-shaped spray material |
| 10/30/2008 | DE102007018861A1 Verwendung einer Stahllegierung Use of a steel alloy |
| 10/30/2008 | DE102007018838A1 Verwendung einer Stahllegierung Use of a steel alloy |
| 10/29/2008 | EP1985721A1 High-strength spring steel excellent in brittle fracture resistance and method for producing same |
| 10/29/2008 | EP1985720A1 High-strength steel with excellent unsusceptibility to hydrogen embrittlement |
| 10/29/2008 | EP1985393A1 Iron-base mixed powders and processes for production of iron-base powder compacts and sintered iron-base powder compacts |
| 10/29/2008 | EP1985390A1 Tools with a thermo-mechanically modified working region and methods of forming such tools |
| 10/29/2008 | EP1984533A1 Creep-resistant ferritic steel |
| 10/29/2008 | EP1984527A2 Method of production of high-strength low-alloyed steel pipes |
| 10/29/2008 | EP1347073B1 HIGH Cr FERRITIC HEAT RESISTANCE STEEL |
| 10/29/2008 | EP1257414B9 Use of a dimensionally stable iron-chrome-aluminum film |
| 10/29/2008 | CN101297055A Corrosion resistance improved steel sheet for automotive muffler and method of producing the steel sheet |
| 10/29/2008 | CN101297051A High-strength galvannealed sheet steels excellent in powdering resistance and process for production of the same |
| 10/29/2008 | CN101294262A Diphasic stainless steel |
| 10/29/2008 | CN101294261A Alloy constructional steel for large-scale wind power principal axis |
| 10/29/2008 | CN101294260A High-strength stainless cold-rolled steel strip and method for manufacturing same |
| 10/29/2008 | CN101294259A Hot die steel for die-casting |
| 10/29/2008 | CN101294258A Low-chromium high purity ferritic stainless steel and method for manufacturing same |
| 10/29/2008 | CN101294257A Rolled steel with excellent toughness of sparkling heat effect section and manufacturing method thereof |
| 10/29/2008 | CN101293321A Hot rolled steel plate for punch process and method of manufacturing the same |
| 10/29/2008 | CN101293255A Method for producing economic thermal forming martensite steel plate |
| 10/29/2008 | CN100429728C Method for manufacturing powder used for pressing and manufacturing Fe-Si-Al magnetic core |
| 10/28/2008 | US7442338 Product manufacture in structural metallic materials reinforced with carbides |
| 10/28/2008 | US7442265 Heat-resistant cast steel excellent in aged ductility and creep rupture strength for hydrogen producing reaction tubes |
| 10/28/2008 | US7442264 Method of using low alloy anticoking steels with an increased silicon and manganese content in refining and petrochemicals applications |
| 10/28/2008 | US7442263 Transductor regulator with a magnetic core which is made made of a nanocrystalline alloy which is almost free of magnetorestriction; used in motor vehicle voltage supplies; switched power supply units for computers; alloy based on iron cobalt copper silicon and boron |
| 10/28/2008 | US7442262 Alloy flake for rare earth magnet, production method thereof, alloy powder for rare earth sintered magnet, rare earth sintered magnet, alloy powder for bonded magnet and bonded magnet |