Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
04/2010
04/15/2010US20100092330 Eco-friendly pb-free free cutting steel with excellent machinability and hot workability
04/15/2010US20100089505 Method for manufacturing hot-rolled sheet having fine-grained ferrite, and hot-rolled sheet
04/15/2010US20100089504 Precipitation-hardened, martensitic, cast stainless steel having excellent machinability and its production method
04/15/2010US20100089501 Martensitic Creep Resistant Steel Strengthened by Z-Phase
04/15/2010DE102009042325A1 Zusammengefügter Artikel und Gussform zur Herstellung einer Wabenstruktur Of assembled articles and mold for manufacturing a honeycomb structure
04/15/2010DE102008051042A1 Gusseisen mit Kobalt und Bauteil Cast iron with cobalt and component
04/15/2010DE102008050458A1 Case-hardened nickel-free steel for use in jewelry and decorative objects, is produced by heating, nitriding and cooling ferritic chromium steel
04/14/2010EP2175043A1 Wire rod and high-strength steel wire excellent in ductility, and processes for production of both
04/14/2010EP2173917A2 Steels for sour service environments
04/14/2010EP1764238B1 Bead cord for a pneumatic tire
04/14/2010CN1683093B Tool for thermal processing
04/14/2010CN101694879A Mo-nitride-containing surface modification fuel cell stainless steel bipolar plate and manufacturing method thereof
04/14/2010CN101694250A 500MPa-grade VN alloying non-tempering seamless steel tube and manufacturing method thereof
04/14/2010CN101693985A Alloy material for manufacturing oil sprayer bushing
04/14/2010CN101693984A Resource saving type austenite stainless steel with high chrome content, low nickel content and high Mn-N content and preparation method thereof
04/14/2010CN101693983A Resource saving type austenite stainless steel with low chrome content, low nickel content and high Mn-N content and preparation method thereof
04/14/2010CN101693982A Martensite corrosion-resisting steel plate for cutting tool and manufacture method thereof
04/14/2010CN101693981A Preparation method of low-alloy high-carbon steel with high-strength and high ductility nano structure
04/14/2010CN101693980A Flat steel and manufacture method thereof
04/14/2010CN101693979A Iron-silicon-aluminum soft magnet pulverization alloy and preparation process thereof
04/14/2010CN101693978A Steel used for large-size hot-rolled ribbed rebar of 500MPa and smelting method thereof
04/14/2010CN101509101B 6CrW2SiMoV for large/medium-sized roller
04/14/2010CN101333621B Antimicrobial post-cure cutery type stainless steel
04/13/2010US7695576 Low alloy high steel tool having constant toughness
04/13/2010US7695575 Pin for chain and method for manufacture thereof
04/13/2010US7695574 melting alloy raw materials at 1,200 to 1,800 degrees C. and solidifying by rapidly quenching the molten metal produced through the above step to thereby form the RE-containing alloy
04/13/2010CA2353062C High performance rare earth-transition metal magnetostrictive materials with increased impurities
04/08/2010WO2010038470A1 Steel plate which exhibits excellent low-tempreature toughness both in base metal and in weld-heat affected zone and has small strength anisotropy and process for manufacturing same
04/08/2010WO2010016702A9 Environmentally-friendly, pb-free free-machining steel, and manufacturing method for same
04/08/2010WO2010002150A3 Ferritic stainless steel having a welded part with an excellent workability, and welded steel pipe using same and method for manufacturing same
04/08/2010US20100087911 Implant with a base body of a biocorrodible manganese alloy
04/08/2010US20100086433 Iron-nickle alloy with a high level of ductility and a low expansion coefficient
04/08/2010US20100086432 Steel for high-cleanliness spring with excellent fatigue characteristics and high-cleanliness spring
04/08/2010US20100086431 Enameling steel sheet, outstandingly excellent in fishscale resistance and method of producing the same
04/08/2010US20100086430 Heat resistant ferritic steel
04/08/2010US20100084413 Ferritic stainless steel for hot-water tank with welded structure, and hot-water tank
04/08/2010US20100084121 Plate
04/08/2010US20100084057 Cold-rolled steel sheet, galvannealed steel sheet, and a process for their manufacture
04/08/2010US20100084054 High strength hot rolled steel products for line-pipes excellent in low temperature touchness and production method of the same
04/08/2010US20100084051 Method for manufacturing carburized part, and steel part
04/08/2010DE19834437B4 Mangan-Legierungen für magnetische Werkstoffe, Sputter-Targets aus Mangan-Legierungen und magnetische Dünnfilme Manganese alloys for magnetic materials, sputtering targets of manganese alloys and magnetic thin films
04/07/2010EP2172947A1 Rare earth magnet
04/07/2010EP2172575A1 Cold rolled steel plate of excellent moldability, panel shape characteristics and denting resistance, molten zinc plated steel plate, and method of manufacturing these steel plates
04/07/2010EP2172574A1 Ferritic-austenitic stainless steel excellent in corrosion resistance and workability and process for manufacturing the same
04/07/2010EP2172573A1 Martensitic stainless-steel seamless pipe for oil well pipe and process for producing the same
04/07/2010EP2171113A1 High strength, high toughness rotating shaft material
04/07/2010EP2171112A1 Method for producing steel sheets having high resistance and ductility characteristics, and sheets thus obtained
04/07/2010CN1725394B Method for increasing working temp and corrosion resisting property of Nd-Fe-B by adding nona silicon nitride in crystal boundary phase
04/07/2010CN101691644A Nonmagnetic soft stainless steel wire rod or stainless steel plate and method of manufacturing same
04/07/2010CN101691643A Refractory anti-seismic construction steel for high-toughness welding structures, and production method thereof
04/07/2010CN101691642A Sulfuric acid dew point corrosion-resistant steel and production process thereof
04/07/2010CN101691641A Smelting process for steel ingot of main pipe line of primary loop in AP1000 nuclear power technology
04/07/2010CN101691640A High strength low alloy wear resistance steel plate and preparation method thereof
04/07/2010CN101691639A Alloy vessel plate and production method thereof
04/07/2010CN101691638A 6Cr14 stainless steel strip and manufacturing method thereof
04/07/2010CN101691630A Method for manufacturing seamless steel tubes
04/07/2010CN101691629A Method for manufacturing seamless steel tubes
04/07/2010CN101691628A Method for manufacturing seamless steel tubes
04/07/2010CN101328564B Low yield ratio HT780 steel plate having superior weldability and manufacturing method thereof
04/07/2010CN101275207B Thermal processing method for H2S-corrosion-resistant tool joint for petroleum drill pipe
04/07/2010CN101240402B Cast high-boron high-speed steel for composite ring roller and heat treatment method thereof
04/07/2010CN101168826B High-performance low-carbon bainite construction steel and producing method thereof
04/07/2010CN101153371B High-strength cold-formed hot continuous rolled steel plate and method of preparing the same
04/06/2010US7691213 induction hardened gears; improved seizure resistance of its tooth flanks; temper hardness of HRC 50 or more at 300 degrees C; steel of C, V, Cr,Ti, Zr, Nb, Ta and Hf; cementite disperses in a martensite parent phase formed by quench hardening induction heating and cooling; pitting resistance
04/06/2010US7691212 induction hardened gears; improved seizure resistance of its tooth flanks; temper hardness of HRC 50 or more at 300 degrees C; steel of C, V, Cr,Ti, Zr, Nb, Ta and Hf; cementite disperses in a martensite parent phase formed by quench hardening induction heating and cooling; pitting resistance
04/06/2010CA2511666C High strength thin steel sheet excellent in burring, elongation, and ability of phosphate coating and a method of production of the same
04/06/2010CA2509581C High-strength martensitic stainless steel with excellent resistances to carbon dioxide gas corrosion and sulfide stress corrosion cracking
04/06/2010CA2243796C Austenitic stainless steel with a very low nickel content
04/01/2010WO2010036534A2 Turbocharger and adjustable blade therefor
04/01/2010WO2010036533A2 Turbocharger and blade bearing ring therefor
04/01/2010WO2010036028A2 Ultrahigh-strength, hot-dipped galvanized steel sheet having a martensitic structure as a base, and a production method therefor
04/01/2010WO2010035853A1 Process for production of sintered compact by powder metallurgy
04/01/2010WO2009090231A8 Parts made of austenitic cast iron having an increased carbon content, methods for the production thereof, and use thereof
04/01/2010US20100080921 Thermal spray coatings for reduced hexavalent and leachable chromuim byproducts
04/01/2010US20100080728 High-strength thin steel sheet
04/01/2010US20100080727 Wear resistant alloy
04/01/2010US20100078097 Steel material superior in high temperature characteristics and toughness and method of production of same
03/2010
03/31/2010EP2169689A1 R-fe-b type rare earth sintered magnet and process for production of the same
03/31/2010EP2169091A1 High-strength hot-dip galvanized steel sheet with low yield strength and with less material quality fluctuation and process for producing the same
03/31/2010EP2169083A1 Process for producing high-strength cold rolled steel sheet with low yield strength and with less material quality fluctuation
03/31/2010EP2169082A1 Forged product with a steel composition containing 0.15-0.75%C, Si, Mn, Ni, Cr, Mo, V and Al and crankshaft manufactured from it.
03/31/2010EP2167696A2 Earth boring drill bits made from a low-carbon, high-molybdenum alloy
03/31/2010CN201434593Y Alloy furnace throat steel brick with water cooling
03/31/2010CN101689416A r-t-b sintered magnet
03/31/2010CN101688283A Abrasion-resistant steel sheet having excellent processability, and method for production thereof
03/31/2010CN101688282A Bend pipe and process for manufacturing the same
03/31/2010CN101688281A Microalloyed steel with good resistance to hydrogen for the cold-forming of machine parts having high properties
03/31/2010CN101688280A Ferritic stainless steel having excellent heat resistance
03/31/2010CN101688279A High-strength hot-dip galvanized steel sheet with low yield strength and with less material quality fluctuation and process for producing the same
03/31/2010CN101688278A Ferritic stainless steel having excellent atmospheric corrosion resistance
03/31/2010CN101688277A High-strength hot-dip galvanized steel sheet and process for producing the same
03/31/2010CN101688276A Thick hot-rolled steel sheet excellent in workability and excellent in strength and toughness after heat-treatment, and method for producing the same
03/31/2010CN101688275A Steel for mechanical structure excelling in machinability and process for producing the same
03/31/2010CN101688274A Low-carbon sulphur free-cutting steel
03/31/2010CN101688273A Precipitation-hardened martensitic cast stainless steel having excellent machinability, and method for production thereof
03/31/2010CN101688272A Steel plate exhibiting excellent bendability by line heating and process for production of the plate
03/31/2010CN101688271A Maraging steel and maraging steel for metallic belt
03/31/2010CN101688265A Process for producing high-strength cold rolled steel sheet with low yield strength and with less material quality fluctuation
03/31/2010CN101688263A Process for production of high alloy steel pipe
03/31/2010CN101688262A Process for production of 780mpa-grade high-tensile-strength steel plates excellent in low-temperature toughness