Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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06/04/2014 | CN102877008B Method for preparing bainite wear-resistant cast steel |
06/04/2014 | CN102864382B Method for reducing X20Cr13 longitudinal and transverse mechanical property differences |
06/04/2014 | CN102851589B Steel for low temperature structure with low yield ratio and capable of performing ultrahigh heat input and manufacture method thereof |
06/04/2014 | CN102828123B Method for modifying centrifugal composite casting high-speed steel roll outer layer |
06/04/2014 | CN102816972B Clad high silicon steel hot rolled plate and method for preparing same |
06/04/2014 | CN102803538B Martensitic stainless steel with excellent weld characteristics, and mertensitic stainless steel material |
06/04/2014 | CN102719733B Manufacturing method for high-nickel steel |
06/04/2014 | CN102703809B Hot-rolled steel and manufacturing method thereof |
06/04/2014 | CN102691005B Low alloy die steel |
06/04/2014 | CN102653844B Electric-resistance-welded steel pipe resisting acidic environment corrosion and preparation method thereof |
06/04/2014 | CN102618804B Austenitic heat-resistant steel and production method thereof |
06/04/2014 | CN102605247B High-heat-input welding thick steel plate and manufacturing method thereof |
06/04/2014 | CN102597289B Steel sheet for cans having excellent surface roughening resistance, and method for producing same |
06/04/2014 | CN102471819B Process for production of oriented electromagnetic steel sheet |
06/04/2014 | CN102414764B Substrate for superconducting wiring, superconducting wiring and production method for same |
06/04/2014 | CN102409242B Alloy steel for high-strength gas cylinder, gas cylinder and manufacturing method thereof |
06/04/2014 | CN102400035B Ultrafine crystal plain carbon steel plate having yield strength above 550MPa and manufacturing method thereof |
06/04/2014 | CN102373372B High temperature resistant steel for oil well pipe and its manufacturing method |
06/04/2014 | CN102161148B Method for preparing X90 steel-grade bent pipes and pipe fittings |
06/04/2014 | CN102046824B Iron-base sintered alloy for valve sheet and valve sheet for internal combustion engine |
06/03/2014 | US8741216 Steel for leaf spring with high fatigue strength, and leaf spring parts |
06/03/2014 | US8741215 Heat-resisting steel for engine valves excellent in high temperature strength |
06/03/2014 | CA2835554A1 Cold rolled motor lamination electrical steels with reduced aging and improved electrical properties |
06/03/2014 | CA2785425C Method for manufacturing seamless steel pipe for line pipe and seamless steel pipe for line pipe |
06/03/2014 | CA2777715C Ferritic stainless steel excellent in resistance to crevice corrosion |
05/30/2014 | WO2014081779A1 Process for manufacturing ferritic hot rolled steel strip |
05/30/2014 | WO2014081776A1 Process for making cold-rolled dual phase steel sheet |
05/30/2014 | WO2014081774A1 Process for making coated cold-rolled dual phase steel sheet |
05/30/2014 | WO2014081246A1 Welded joint of extremely low-temperature steel, and welding materials for preparing same |
05/30/2014 | WO2014080818A1 H-shaped steel and process for producing same |
05/30/2014 | WO2014080763A1 Directional electromagnetic steel plate and method for manufacturing directional electromagnetic steel plate |
05/30/2014 | WO2014080078A1 Ferritic stainless steel |
05/30/2014 | WO2014078977A1 Oriented silicon steel and method for manufacturing same |
05/30/2014 | WO2013099272A8 Grain-oriented electrical steel sheet and method for manufacturing the same |
05/29/2014 | US20140147329 High silicon bearing dual phase steels with improved ductility |
05/29/2014 | US20140144560 Method of manufacturing hot-press-formed steel member |
05/29/2014 | US20140144559 Method for production of martensitic steel having a very high yield point and sheet or part thus obtained |
05/29/2014 | US20140144556 Steel plate with low yield-tensile ratio and high toughness and method of manufacturing the same |
05/29/2014 | US20140144553 Cold-rolled steel sheet and process for production thereof |
05/29/2014 | US20140144552 Thick high-tensile-strength hot-rolled steel sheet having excellent low-temperature toughness and manufacturing method thereof |
05/29/2014 | US20140144551 High-strength steel sheet having improved resistance to fracture and to hic |
05/28/2014 | EP2735623A1 High-strength steel sheet for warm forming and process for producing same |
05/28/2014 | EP2735622A1 Low-yield-ratio high-strength hot-rolled steel plate with excellent low-temperature toughness and process for producing same |
05/28/2014 | EP2735620A1 Method for producing hot-pressed steel member |
05/28/2014 | EP2734655A1 High-strength corrosion-resistant tubing for oil and gas completion and drilling applications, and process for manufacturing thereof |
05/28/2014 | DE102013223084A1 Hollow superelastic shape memory alloy particle e.g. sphere shaped particle, for use as e.g. additives in magnetorheological fluids, has shape memory alloy including outer shell, and interior hollow portion surrounded by outer shell |
05/28/2014 | DE102012221607A1 Metallischer Werkstoff Metallic material |
05/28/2014 | DE102012023164A1 Manufacturing cap ring comprising austenitic steel, comprises providing and heating malleable cap ring blank from austenitic steel, rolling heated cap ring blank under cooling, quenching cap ring blank, and outsourcing cap ring blank |
05/28/2014 | DE102012023163A1 Finely grained structural steel comprises carbon, silicon, manganese, phosphorous, sulfur, aluminum, chromium, hydrogen, and copper, molybdenum with and iron |
05/28/2014 | DE102011056846B4 Verfahren zur Herstellung eines Aufreißdeckels sowie Verwendung eines mit einer Schutzschicht versehenen Stahlblechs zur Herstellung eines Aufreißdeckels A method for preparing a pull-tab, and using a protective layer provided with a steel sheet for making a pull-tab |
05/28/2014 | CN103827988A 永久磁铁和永久磁铁的制造方法 Manufacturing method for a permanent magnet and a permanent magnet |
05/28/2014 | CN103827343A 合金化热浸镀锌钢板 Alloyed hot-dip galvanized steel |
05/28/2014 | CN103827342A 镀覆润湿性及镀覆密合性优良的具备热浸镀锌层的钢板及其制造方法 Plating wettability and adhesion plated steel sheet excellent in its manufacturing method includes hot-dip galvanizing layer |
05/28/2014 | CN103827341A 热浸镀锌钢板及其制造方法 Hot-dip galvanized steel sheet and its manufacturing method |
05/28/2014 | CN103827340A 涂装后耐腐蚀性优良的合金化热镀锌钢板 Excellent corrosion resistance after painting galvannealed steel sheets |
05/28/2014 | CN103827339A 刀具用不锈钢及其制造方法 Knives with stainless steel and its manufacturing method |
05/28/2014 | CN103827338A 低密度高强度钢及制备所述钢的方法 The method of preparation of low density and high strength steel and the steel |
05/28/2014 | CN103827337A 轴承用铸锭材料及制造方法 Bearing materials and manufacturing method of ingot |
05/28/2014 | CN103827336A 具有980MPa以上拉伸强度的镀层附着性、成型性和扩孔性优异的高强度热浸镀锌钢板和高强度合金化热浸镀锌钢板及其制造方法 Plating adhesion, and hole expanding formability with excellent high-strength hot-dip galvanized steel sheet and high-strength alloyed hot-dip galvanized steel sheet and a manufacturing method having a tensile strength above 980MPa |
05/28/2014 | CN103827335A 镀锌钢板及其制造方法 Galvanized steel sheet and manufacturing method thereof |
05/28/2014 | CN103827334A 马氏体时效钢 Maraging steel |
05/28/2014 | CN103827333A 无取向电磁钢板 Non-oriented electrical steel sheet |
05/28/2014 | CN103827332A Trip型马氏体双相钢及使用其的超高强度钢制加工件 Trip type martensite dual-phase steel and ultra high-strength steel using its machining parts |
05/28/2014 | CN103827326A 取向性电磁钢板及其制造方法 Oriented electromagnetic steel sheet and manufacturing method |
05/28/2014 | CN103826766A 奥氏体系不锈钢的制造方法 The method of manufacturing austenitic stainless steel |
05/28/2014 | CN103824669A 一种μ90铁硅镍磁粉芯材料及其制备方法 One kind μ90 silicon nickel iron powder core material and preparation method |
05/28/2014 | CN103824667A 一种稀土磁铁 Rare earth magnets |
05/28/2014 | CN103821904A 高性能摩托车发动机粉末冶金换挡凸轮及其制造方法 High-performance motorcycle engine powder metallurgy shift cam and its manufacturing method |
05/28/2014 | CN103820780A 轧辊表面耐磨涂层的制备方法 Roll roll surface preparation method of wear-resistant coating |
05/28/2014 | CN103820740A 一种铁素体耐热铸钢及其制备方法和应用 One kind of ferritic heat-resistant steel and its preparation method and application |
05/28/2014 | CN103820739A 铁素体耐热铸钢及其制备方法和应用 Ferritic heat-resistant steel and its preparation method and application |
05/28/2014 | CN103820738A 一种添加WSe<sub>2</sub>的铁基高温自润滑关节轴承及其制备方法 An WSe <sub> 2 </ sub> iron-based high-temperature self-lubricating bearings and its preparation method to add |
05/28/2014 | CN103820737A 一种非开挖钻杆用钢 A non-excavation of the drill steel |
05/28/2014 | CN103820736A 一种出钢口钻头合金钢材料及其制备方法 One kind of tap hole drill steel material and method |
05/28/2014 | CN103820735A 一种超高强度C-Al-Mn-Si系低密度钢及其制备方法 An ultra-high strength C-Al-Mn-Si system density steel and its preparation method |
05/28/2014 | CN103820734A 一种贝氏体钢轨件的制造方法 Process for producing a bainitic rail member |
05/28/2014 | CN103820733A 一种钻头用钨系高速钢材料及其制备方法 A drill with tungsten high speed steel material and method |
05/28/2014 | CN103820732A 一种用于轧辊再制造的颗粒增强铬硼铁基耐磨复合材料及其制备工艺 Particles for enhanced roll remanufacturing chromium boron iron-based wear-resistant composite material and its preparation process |
05/28/2014 | CN103820731A 超薄宽幅耐磨钢板和以大压缩比生产该钢板的方法 Wide thin wear-resistant steel and a large compression ratio of the steel production method |
05/28/2014 | CN103820730A 一种高性能粉末冶金不锈钢及其制备方法 A high-performance stainless steel powder metallurgy and its preparation method |
05/28/2014 | CN103820729A 一种钛强化高钴马氏体时效耐蚀超高强度钢及制备方法 Titanium-reinforced high cobalt maraging steel and ultra high strength corrosion preparation |
05/28/2014 | CN103820728A 核电站控制棒驱动机构可拆接头及其制备方法 Nuclear power plant control rod drive mechanism and preparation method removable connectors |
05/28/2014 | CN103820727A 一种制作刀具的钛铁合金材料及其制备方法 A method of making titanium alloy tool material and its preparation method |
05/28/2014 | CN103820726A 一种疲劳强度较高螺栓的制造方法 A method for producing a high fatigue strength bolt |
05/28/2014 | CN103820725A 一种1.2mm厚高温退火用捆带及其生产方法 One kind of high-temperature annealing with 1.2mm thick bundle with its production method |
05/28/2014 | CN103820724A 一种厚度为1.1mm的高强度耐蚀捆带及其生产方法 Having a thickness of 1.1mm high strength corrosion resistant strapping and production methods |
05/28/2014 | CN103820723A 一种刀具用不锈钢材料及其制备方法 A cutter with stainless steel material and method |
05/28/2014 | CN103820722A 一种钻头、丝锥用的合金钢材料及其制备方法 A drill, tap with the steel material and method |
05/28/2014 | CN103820721A 一种刀具合金钢材料及其制备方法 An alloy material and preparation method Tool |
05/28/2014 | CN103820720A 一种耐磨的堆焊铁合金材料生产方法 A wear-resistant surfacing materials ferroalloy production methods |
05/28/2014 | CN103820719A 一种耐磨的堆焊铁合金材料及生产方法 A wear-resistant alloy surfacing materials and production methods |
05/28/2014 | CN103820718A 一种高强度高低温冲击韧性热轧工字型钢及其加工方法 A high strength and high temperature impact toughness hot rolled steel and word processing method |
05/28/2014 | CN103820717A 钢板及其制备方法 Steel and its preparation method |
05/28/2014 | CN103820716A 一种9Cr13MoVCo不锈钢带钢及制备方法 One kind of stainless steel and preparation 9Cr13MoVCo |
05/28/2014 | CN103820715A 一种钻头用耐热耐磨合金钢材料及其制备方法 A drill with a heat-resistant alloy material and method |
05/28/2014 | CN103820714A 高强度高韧性抗CO<sub>2</sub>腐蚀套管及其制备方法 High strength and toughness anti-CO <sub> 2 </ sub> casing corrosion and its preparation method |
05/28/2014 | CN103820713A 高强度高韧性抗H<sub>2</sub>S腐蚀油管及其制备方法 High strength and toughness of anti-H <sub> 2 </ sub> S tubing corrosion and its preparation method |
05/28/2014 | CN103820712A 一种高强度螺栓钢及其制备方法 One kind of high-strength bolts of steel and its preparation method |
05/28/2014 | CN103820711A 一种5Cr13不锈钢带钢及制备方法 One kind of 5Cr13 stainless steel and preparation methods |
05/28/2014 | CN103820710A 一种大规模集成电路制造装备用因瓦合金及其制备方法 For large scale integrated circuit manufacturing equipment with Invar alloy and preparation method |