Patents for C22C 33 - Making ferrous alloys (11,268) |
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04/11/2012 | CN102409137A Method for controlling content of nitrogen in oriented silicon steel |
04/11/2012 | CN102407336A 一种短流程制备部分预合金铁粉的方法 A method for preparing a short part of the process of pre-alloyed iron |
04/11/2012 | CN102407292A 活塞环毛坯铸造工艺 Piston ring casting blank |
04/11/2012 | CN101397626B 高强度高韧性热轧钢板及其生产方法 High strength and toughness rolled steel sheet and its production method |
04/05/2012 | WO2012043692A1 R-t-b sintered magnet manufacturing method |
04/05/2012 | WO2012043139A1 Alloy material for r-t-b system rare earth permanent magnet, method for producing r-t-b system rare earth permanent magnet, and motor |
04/05/2012 | WO2012043061A1 Method for producing r-t-b sintered magnet |
04/05/2012 | WO2012041171A1 Method for preparing high-performance rare earth-iron-cobalt silicide compound with nazn13 structure |
04/05/2012 | WO2012041054A1 Production method of grain-oriented silicon steel with high magnetic flux density |
04/05/2012 | WO2012010941A8 Watch-making or clock-making component comprising an amorphous metal alloy |
04/04/2012 | EP2436463A2 Sintered materials for valve guides and production methods therefor |
04/04/2012 | CN102400052A Narrow-hardenability pinion steel and preparation method thereof |
04/04/2012 | CN102400048A Cold work roll steel for high-strength steel rolling, cold work roll and its manufacturing method |
04/04/2012 | CN102400044A 一种铌钛复合微合金化热轧带肋钢筋及其生产方法 One kind of niobium-titanium composite micro-alloyed hot-rolled ribbed steel bars and production method |
04/04/2012 | CN102400033A 用于防爆电机铸件生产的合金铸铁材料 Alloy cast iron materials for the production of explosion-proof motor castings |
04/04/2012 | CN102400031A 一种汽车制动盘材料的生产工艺 A process for producing automotive brake disc material |
04/04/2012 | CN102400030A 一种真空感应炉冶炼钢水添加氮元素的方法 A vacuum induction furnace steel add nitrogen element method |
04/04/2012 | CN102400029A 一种合金的真空冶炼方法 A method of vacuum smelting alloy |
04/04/2012 | CN101899604B 一种复吹转炉用氧化锰复合团块直接合金化炼钢工艺 One kind LBE manganese composite oxide briquettes direct alloying steelmaking process |
03/29/2012 | DE10297567B4 Ventilführung für Brennkraftmaschinen, hergestellt aus einer Sinterlegierung auf Eisenbasis Valve guide for internal combustion engines, made from a sintered iron-based alloy |
03/28/2012 | EP2432908A1 High strength low alloyed sintered steel |
03/28/2012 | CN202175691U 一种球墨铸铁增碳钢包 One kind of ductile iron by steel package |
03/28/2012 | CN102392193A Extra thick quenched and tempered steel plate for ocean platform tooth bar and production method thereof |
03/28/2012 | CN102392190A Grid section used for sintering acid mine |
03/28/2012 | CN102392180A Ferroaluminium and preparation method thereof |
03/28/2012 | CN102392178A Nodular cast iron and centrifugal composite casting roller |
03/28/2012 | CN102392177A Cast iron alloy water treatment material and manufacturing method and application thereof |
03/28/2012 | CN102392176A Boron carbide-nodular cast iron material and structure for radiation shielding as well as preparation method of boron carbide-nodular cast iron material |
03/28/2012 | CN102392175A Inoculant, preparation method thereof and application thereof in nodular cast iron smelting |
03/28/2012 | CN102392174A Method and device for preparing magnetostrictive material |
03/28/2012 | CN102392173A Preparation method of open-cell formed steel |
03/28/2012 | CN102392134A High-efficiency reducing agent for casting and preparation method thereof |
03/28/2012 | CN102392133A Production method of ferrotitanium |
03/28/2012 | CN102392094A Spheroidizing agent for spheroidal graphite cast iron, and preparation method thereof |
03/28/2012 | CN101988170B Method for microalloying vanadium and nitrogen in molten iron |
03/28/2012 | CN101927432B Manufacturing method of high-manganese strip steel with high strength and plasticity |
03/28/2012 | CN101899622B Alloy steel for high-pressure container and preparation method thereof |
03/28/2012 | CN101812634B Low-carbon low-welding crack-sensitive high-strength steel and steel plate and manufacture method thereof |
03/28/2012 | CN101787486B Baking-aging resistant colored steel plate/strip and manufacturing method thereof |
03/28/2012 | CN101775539B High-flexibility wear-resistant steel plate and manufacturing method thereof |
03/28/2012 | CN101775535B 160MPa earthquake-proof low yield strength steel, steel plate and manufacturing method thereof |
03/28/2012 | CN101649413B Ultra-strength and high toughness maraging steel and manufacturing method thereof |
03/27/2012 | US8142543 Refining ferroalloys |
03/22/2012 | WO2012036294A1 Method for producing rare-earth magnet |
03/22/2012 | CA2811451A1 Production method of rare earth magnet |
03/21/2012 | CN102384264A Cast iron ring carrier used for aluminum piston and manufacturing method thereof |
03/21/2012 | CN102383070A Additive for B-Si containing iron-based amorphous alloy and nanocrystalline alloy |
03/21/2012 | CN102383065A High-performance valve steel and preparation method thereof |
03/21/2012 | CN102383060A Method for manufacturing austenite stainless steel thin strip for electronic product shell |
03/21/2012 | CN102383056A Novel iron-based self-lubricating material and preparation method thereof |
03/21/2012 | CN102383055A Production method for reducing titanium content in high-carbon chromium bearing steel |
03/21/2012 | CN102383045A Preparation method of silicon steel for motors |
03/21/2012 | CN102383041A High wear resistant ultra-high carbon steel and preparation method for same |
03/21/2012 | CN102383039A Microalloy HRB500E steel bar containing chrome and nitrogen and production method thereof |
03/21/2012 | CN102383038A Dipper teeth material and production method thereof |
03/21/2012 | CN102383034A Steel for 13-dwt vehicle axle housing and production method thereof |
03/21/2012 | CN102383033A 600-MPa grade vanadium-containing high-strength hot-rolled steel bar and production method thereof |
03/21/2012 | CN102383030A Preparation process for nano strengthened wear-resistant die steel |
03/21/2012 | CN102383029A Fe-Ce intermediate alloy for adding rare earth into steel and preparation method for Fe-Ce intermediate alloy |
03/21/2012 | CN102383028A Fe and mixed rare earth intermediate alloy for adding rare earth into steel and preparation method for Fe and mixed rare earth intermediate alloy |
03/21/2012 | CN102383027A Preparation method of nodular cast iron |
03/21/2012 | CN102383026A Nodular cast iron crankshaft |
03/21/2012 | CN102383025A Preparation method of super-critical high alloy steel suitable for thermal power unit |
03/21/2012 | CN102383022A Method for preparing high-TiC-content iron base metal ceramic material through combustion synthesis |
03/21/2012 | CN102382942A Optimized method for removing sulfur from magnesium granules |
03/21/2012 | CN102382924A Nodulizing agent for nodular cast iron and preparation method thereof |
03/21/2012 | CN102380599A Casting process for smelting and forming 400 jackets |
03/21/2012 | CN102094147B Control method for producing low temperature spheroidal graphite cast iron |
03/21/2012 | CN101948980B Method for producing industrial pure iron |
03/21/2012 | CN101914718B Method for carrying out liquid steel vanadium alloying by pelletizing by using vanadium iron fine powder |
03/21/2012 | CN101886213B Ultra-disperse structure complex phase alloy steel and preparation method thereof |
03/21/2012 | CN101701312B Method for smelting stainless steel mother liquid by using chromium mineral powder and laterite as raw materials |
03/21/2012 | CN101649369B Melting process for producing synthetic cast iron by utilizing SiC carburizing siliconizing |
03/21/2012 | CN101572144B High-plasticity complex phase structure semi-hard magnetic alloy for anti-theft magnetic stripe and method for preparing thin strip thereof |
03/21/2012 | CN101501232B Bimodal and multimodal dense boride cermets with superior erosion performance |
03/15/2012 | WO2011138422A3 Powder-metallurgical steel |
03/15/2012 | DE102011109473A1 Sintered component e.g. cam for assembled camshaft of internal combustion engine, comprises surface portion of sintered component, boundary layer compaction, and hardened region, where compression layer is produced in surface portion |
03/14/2012 | EP2428294A2 Fuel injector clamp |
03/14/2012 | EP2334836B1 Hierarchical composite material |
03/14/2012 | EP2329052B1 Composite tooth for working the ground or rock |
03/14/2012 | CN202162360U 硼-铁包芯线 Boron - iron cored wire |
03/14/2012 | CN102379013A Nanocomposite bulk magnet and process for producing same |
03/14/2012 | CN102373387A Steel plate for large-strain cold-bent tube and manufacturing method thereof |
03/14/2012 | CN102373385A Low-nickel austenite heatproof cast steel and smelting method thereof |
03/14/2012 | CN102373382A Standard sample for Young's modulus performance detection, and preparation method thereof |
03/14/2012 | CN102373364A Wind-power equipment casting and manufacturing method thereof |
03/14/2012 | CN102373361A Method for extending initiation time of nodulizer, environment-friendly nodulizer and preparation method thereof |
03/14/2012 | CN102373360A Fe-La intermediate alloy for rare earth addition into steel and manufacture method thereof |
03/14/2012 | CN102373359A Method for producing alloy steel powder special for automobile engines |
03/14/2012 | CN102371345A Method for casting ductile iron casting of air-conditioning compressor |
03/14/2012 | CN102371273A Improved high-chromium iron roller and production method thereof |
03/14/2012 | CN101421430B Cold-working steel |
03/08/2012 | WO2012029738A1 Sintered magnet |
03/08/2012 | WO2012029527A1 Alloy material for r-t-b-based rare earth permanent magnet, production method for r-t-b-based rare earth permanent magnet, and motor |
03/08/2012 | WO2012029274A2 Iron-based mixture powder for sintering and iron-based sintered alloy |
03/08/2012 | WO2012027866A1 Multi-layer cored wire |
03/07/2012 | EP2425027A1 Processing of iron aluminides by pressureless sintering of elemental iron and aluminum |
03/07/2012 | CN102367550A Rare-earth-containing wet H2S corrosion resisting steel pipe used in heat exchanger, and production method thereof |
03/07/2012 | CN102367549A Bar for large wind driven generator gear and manufacturing method of bar |
03/07/2012 | CN102367547A Manufacture method of high-silicon aluminum content non-oriented silicon steel strip |