Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
06/2010
06/23/2010CN101755068A Steel pipes excellent in deformation characteristics and process for manufacturing the same
06/23/2010CN101755062A Process for manufacturing high-strength hot-rolled steel sheet
06/23/2010CN101755059A Process for production of duplex stainless steel tubes
06/23/2010CN101755057A Low density steel with good stamping capability
06/23/2010CN101754831A Method of open root welding
06/23/2010CN101748406A Chrome-free formation processing galvanized steel sheet with excellent corrosion resistance of cutting end face
06/23/2010CN101748347A Ultrahigh-strength steel sheet excellent in hydrogen embrittlement resistance and workability, and manufacturing method therefor
06/23/2010CN101748346A High-grade wear-resistant steel plate and production method thereof
06/23/2010CN101748345A two-way shape-recovery alloy
06/23/2010CN101748344A Railway track welded steel and manufacturing technology thereof
06/23/2010CN101748343A High-corrosion resistant high-strength dual-phase hot-rolled stainless steel strip and hot rolling process thereof
06/23/2010CN101748342A High-strength 18Cr-8Ni stainless steel hot rolled plate and manufacturing method thereof
06/23/2010CN101748341A High-chromium iron vertical roll of rolling mill frame
06/23/2010CN101748340A Construction steel and manufacturing method
06/23/2010CN101748339A High-strength ferritic stainless steel band and manufacturing method thereof
06/23/2010CN101748338A High-strength cast steel for coupler of railway vehicle and manufacturing method thereof
06/23/2010CN101748337A High-strength wear-resistant magnetic conduction cast steel
06/23/2010CN101748336A Fire-resistant steel and preparation method thereof
06/23/2010CN101748335A Nickel-free grate material for sintering machine and manufacturing method thereof
06/23/2010CN101748334A High hardness cast boron-containing low alloy wear-resistant high-speed steel and preparation method thereof
06/23/2010CN101748333A Low-carbon-equivalent high-strength wear-resistant steel plate and production method thereof
06/23/2010CN101748332A Ultra-wear-resistant cast-steel grinding ball and preparation method thereof
06/23/2010CN101748331A High-speed railway frog manufactured from nano-bainitic steel with high aluminum content and manufacturing method thereof
06/23/2010CN101748330A Steel for heat-resisting casing pipe and manufacturing method thereof
06/23/2010CN101748329A 610MPa automobile girder steel and production method thereof
06/23/2010CN101748328A Ship structure steel plate capable of being welded with high liner energy and method for producing same
06/23/2010CN101748327A High-performance steel plate for building structure and method for manufacturing same
06/23/2010CN101748326A Preparation method of carbonic rare earth-ferrum, cobalt and silicon compound with NaZn1 structure
06/23/2010CN101748323A Preparation method for forming Al2O3 nano-particles in molten steel
06/23/2010CN101748253A Preparation method of low-temperature GO-oriented silicon steel
06/23/2010CN101746089A Thermostable and wear-resistant bimetal composite thin board and producing technique thereof
06/23/2010CN101745794A Preparation technology of non-oriented high grade silicon steel
06/23/2010CN101745786A Forging method of water supply connecting tube and secondary side manhole
06/23/2010CN101745785A Method for manufacturing neutron flux-measured sleeve crossed stiffened plate by forging
06/23/2010CN101745536A Method for producing SKS51 hot-rolled thin steel sheets
06/23/2010CN101745535A Method for producing 75Cr1 hot-rolled sheet steel
06/23/2010CN101476082B High performance low cost hot work die steel
06/23/2010CN101285156B 700MPa grade composite strengthening bainite steel and method for preparing same
06/22/2010US7740796 Iron silicide powder and method for production thereof
06/22/2010US7740722 Steel for use in high strength pinion shaft and manufacturing method thereof
06/22/2010CA2491834C Martensitic stainless steel seamless pipe and a manufacturing method thereof
06/22/2010CA2396078C Hot rolled steel having improved formability
06/17/2010WO2010067878A1 High-purity ferritic stainless steel having excellent corrosion resistance, and method for producing same
06/17/2010WO2010067872A1 Constituent member of bearing, process for production of same, and ball-and-roller bearing provided with the constituent member
06/17/2010WO2010066981A1 Flux and wire for submerged arc welding of crmov steels
06/17/2010WO2010066896A1 Process for producing a component having improved elongation and break properties
06/17/2010WO2010066584A1 Low alloy steel with a high yield strength and high sulphide stress cracking resistance
06/17/2010WO2007074989A9 Thick steel plate for welded structure having excellent strength and toughness in central region of thickness and small variation of properties through thickness and method of producing the same
06/17/2010US20100150772 Hot-forming steel alloy
06/17/2010US20100150771 Austenitic series stainless steel and relevant casting method
06/17/2010US20100150770 Stainless Steel Excellent in Corrosion Resistance, Ferritic Stainless Steel Excellent in Resistance to Crevice Corrosion and Formability, and Ferritic Stainless Stee Excellent in Resistance to Crevice Corrosion
06/17/2010US20100150489 Rolling member, rolling bearing and process for manufacturing rolling member
06/17/2010US20100147424 Abrasion-resistant steel excellent in formability and production method thereof
06/17/2010US20100147423 Steel alloy for machine components
06/17/2010US20100147247 Superaustenitic stainless steel and method of making and use thereof
06/17/2010US20100146849 Portable Heating Apparatus and Metal Fuel Composite for Use With Same
06/17/2010CA2743552A1 Low alloy steel with a high yield strength and high sulphide stress cracking resistance
06/16/2010EP2196553A1 Steel alloy for machine components
06/16/2010EP2196552A1 Pearlite steel rail of high internal hardness type excellent in wear resistance, fatigue failure resistance and delayed fracture resistance and process for production of the same
06/16/2010EP2195473A1 Tool
06/16/2010CN1922337B Steel sheet or steel pipe being reduced in expression of baushinger effect, and method for production thereof
06/16/2010CN101743336A Creep resistant steel
06/16/2010CN101743335A Cold-work die steel and dies for cold pressing
06/16/2010CN101743334A Internal high hardness type pearlitic rail with excellent wear resistance, rolling contact fatigue resistance, and delayed fracture property and method for producing same
06/16/2010CN101741335A Production technology of resonator base
06/16/2010CN101741334A Production technology of resonator base
06/16/2010CN101741333A Production technology of resonator base
06/16/2010CN101736658A High-nitrogen austenitic steel high-speed railway crossing and manufacturing method thereof
06/16/2010CN101736208A Rare-earth low-nickel austenitic stainless steel
06/16/2010CN101736207A Niobium and vanadium-containing economical high-strength and high-weather-resistance hot rolled H-shaped steel and rolling method thereof
06/16/2010CN101736206A Coking cart heat-resisting and wear-resisting lining plate and manufacturing method thereof
06/16/2010CN101736205A Double-phase stainless steel with high nitrogen, high chromium and low nickel
06/16/2010CN101736204A High-strength atmospheric corrosion-resistant medium plate and manufacturing method thereof
06/16/2010CN101736203A High-strength weather-resisting hot rolled steel strip and manufacturing method thereof
06/16/2010CN101736202A Sulphuric acid dew point corrosion resisting steel and method for producing same
06/16/2010CN101736201A High-strength special type sucker rod steel
06/16/2010CN101736200A High-carbon steel multi-alloy wear-resisting ball and production method thereof
06/16/2010CN101736199A Hot rolling strip steel for high-strength cold forming welding structures and manufacturing method thereof
06/16/2010CN101736198A Hot rolled band for container and method for manufacturing same
06/16/2010CN101736197A Steels with excellent toughness for welding heat affected section and method of producing the same
06/16/2010CN101736196A Steel for induction heating syphon for oil gas transportation and method for producing hot rolled slab thereof
06/16/2010CN101736195A Hot-dip coating aluminium-zinc alloy steel plate and production method thereof
06/16/2010CN101736194A Wheel steel and preparation method as well as wheel thereof
06/16/2010CN101736193A Low carbon steel plate and preparation method thereof
06/16/2010CN101736192A Steel wires for connecting parts
06/16/2010CN101736122A Method for improving recovery rate of smelt nonmagnetic steel aluminum
06/16/2010CN101733400A High-strength composition iron powder and sintered part made therefrom
06/16/2010CN101440457B Yttrium-containing high-aluminum ferritic stainless steel for automobile exhaust system
06/16/2010CN101228287B High silicon stainless steel and material thereof and method for manufacturing high silicon stainless steel
06/16/2010CN101082107B Ultra-low carbon cold-rolling deep-punching glassed steel and method of production
06/16/2010CN101016826B Bit body of diamond bit and manufacture method therefor
06/15/2010US7736449 High-strength hot-dip galvanized steel sheet and method for producing the same
06/15/2010US7736447 Circumferential tensile strength of > 900 MPa for pipelines transportating of crude oil, natural gas, etc. by lowering only the tensile strength in the longitudinal direction; effectively reducing by transforming the microstructure into a degenerate upper bainite structure; stress resistance
06/10/2010WO2010064617A1 Carbonitrided member and process for producing carbonitrided member
06/10/2010WO2010036534A3 Turbocharger and adjustable blade therefor
06/10/2010WO2010016702A3 Environmentally-friendly, pb-free free-machining steel, and manufacturing method for same
06/10/2010US20100143181 High strength austenitic trip steel
06/10/2010US20100143180 Hot-forging micro-alloyed steel and hot-rolled steel excellent in fracture-splitability and mechinability, and component made of hot-forged microalloyed steel
06/10/2010US20100143179 Lead free free-cutting steel and its use
06/10/2010US20100143178 Alloy containing rare earth element, production method thereof, magnetostrictive device, and magnetic refrigerant material