Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
06/2014
06/04/2014CN102877008B Method for preparing bainite wear-resistant cast steel
06/04/2014CN102864382B Method for reducing X20Cr13 longitudinal and transverse mechanical property differences
06/04/2014CN102851589B Steel for low temperature structure with low yield ratio and capable of performing ultrahigh heat input and manufacture method thereof
06/04/2014CN102828123B Method for modifying centrifugal composite casting high-speed steel roll outer layer
06/04/2014CN102816972B Clad high silicon steel hot rolled plate and method for preparing same
06/04/2014CN102803538B Martensitic stainless steel with excellent weld characteristics, and mertensitic stainless steel material
06/04/2014CN102719733B Manufacturing method for high-nickel steel
06/04/2014CN102703809B Hot-rolled steel and manufacturing method thereof
06/04/2014CN102691005B Low alloy die steel
06/04/2014CN102653844B Electric-resistance-welded steel pipe resisting acidic environment corrosion and preparation method thereof
06/04/2014CN102618804B Austenitic heat-resistant steel and production method thereof
06/04/2014CN102605247B High-heat-input welding thick steel plate and manufacturing method thereof
06/04/2014CN102597289B Steel sheet for cans having excellent surface roughening resistance, and method for producing same
06/04/2014CN102471819B Process for production of oriented electromagnetic steel sheet
06/04/2014CN102414764B Substrate for superconducting wiring, superconducting wiring and production method for same
06/04/2014CN102409242B Alloy steel for high-strength gas cylinder, gas cylinder and manufacturing method thereof
06/04/2014CN102400035B Ultrafine crystal plain carbon steel plate having yield strength above 550MPa and manufacturing method thereof
06/04/2014CN102373372B High temperature resistant steel for oil well pipe and its manufacturing method
06/04/2014CN102161148B Method for preparing X90 steel-grade bent pipes and pipe fittings
06/04/2014CN102046824B Iron-base sintered alloy for valve sheet and valve sheet for internal combustion engine
06/03/2014US8741216 Steel for leaf spring with high fatigue strength, and leaf spring parts
06/03/2014US8741215 Heat-resisting steel for engine valves excellent in high temperature strength
06/03/2014CA2835554A1 Cold rolled motor lamination electrical steels with reduced aging and improved electrical properties
06/03/2014CA2785425C Method for manufacturing seamless steel pipe for line pipe and seamless steel pipe for line pipe
06/03/2014CA2777715C Ferritic stainless steel excellent in resistance to crevice corrosion
05/2014
05/30/2014WO2014081779A1 Process for manufacturing ferritic hot rolled steel strip
05/30/2014WO2014081776A1 Process for making cold-rolled dual phase steel sheet
05/30/2014WO2014081774A1 Process for making coated cold-rolled dual phase steel sheet
05/30/2014WO2014081246A1 Welded joint of extremely low-temperature steel, and welding materials for preparing same
05/30/2014WO2014080818A1 H-shaped steel and process for producing same
05/30/2014WO2014080763A1 Directional electromagnetic steel plate and method for manufacturing directional electromagnetic steel plate
05/30/2014WO2014080078A1 Ferritic stainless steel
05/30/2014WO2014078977A1 Oriented silicon steel and method for manufacturing same
05/30/2014WO2013099272A8 Grain-oriented electrical steel sheet and method for manufacturing the same
05/29/2014US20140147329 High silicon bearing dual phase steels with improved ductility
05/29/2014US20140144560 Method of manufacturing hot-press-formed steel member
05/29/2014US20140144559 Method for production of martensitic steel having a very high yield point and sheet or part thus obtained
05/29/2014US20140144556 Steel plate with low yield-tensile ratio and high toughness and method of manufacturing the same
05/29/2014US20140144553 Cold-rolled steel sheet and process for production thereof
05/29/2014US20140144552 Thick high-tensile-strength hot-rolled steel sheet having excellent low-temperature toughness and manufacturing method thereof
05/29/2014US20140144551 High-strength steel sheet having improved resistance to fracture and to hic
05/28/2014EP2735623A1 High-strength steel sheet for warm forming and process for producing same
05/28/2014EP2735622A1 Low-yield-ratio high-strength hot-rolled steel plate with excellent low-temperature toughness and process for producing same
05/28/2014EP2735620A1 Method for producing hot-pressed steel member
05/28/2014EP2734655A1 High-strength corrosion-resistant tubing for oil and gas completion and drilling applications, and process for manufacturing thereof
05/28/2014DE102013223084A1 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
05/28/2014DE102012221607A1 Metallischer Werkstoff Metallic material
05/28/2014DE102012023164A1 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
05/28/2014DE102012023163A1 Finely grained structural steel comprises carbon, silicon, manganese, phosphorous, sulfur, aluminum, chromium, hydrogen, and copper, molybdenum with and iron
05/28/2014DE102011056846B4 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
05/28/2014CN103827988A 永久磁铁和永久磁铁的制造方法 Manufacturing method for a permanent magnet and a permanent magnet
05/28/2014CN103827343A 合金化热浸镀锌钢板 Alloyed hot-dip galvanized steel
05/28/2014CN103827342A 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
05/28/2014CN103827341A 热浸镀锌钢板及其制造方法 Hot-dip galvanized steel sheet and its manufacturing method
05/28/2014CN103827340A 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
05/28/2014CN103827339A 刀具用不锈钢及其制造方法 Knives with stainless steel and its manufacturing method
05/28/2014CN103827338A 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
05/28/2014CN103827337A 轴承用铸锭材料及制造方法 Bearing materials and manufacturing method of ingot
05/28/2014CN103827336A 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
05/28/2014CN103827335A 镀锌钢板及其制造方法 Galvanized steel sheet and manufacturing method thereof
05/28/2014CN103827334A 马氏体时效钢 Maraging steel
05/28/2014CN103827333A 无取向电磁钢板 Non-oriented electrical steel sheet
05/28/2014CN103827332A 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
05/28/2014CN103827326A 取向性电磁钢板及其制造方法 Oriented electromagnetic steel sheet and manufacturing method
05/28/2014CN103826766A 奥氏体系不锈钢的制造方法 The method of manufacturing austenitic stainless steel
05/28/2014CN103824669A 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
05/28/2014CN103824667A 一种稀土磁铁 Rare earth magnets
05/28/2014CN103821904A 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
05/28/2014CN103820780A 轧辊表面耐磨涂层的制备方法 Roll roll surface preparation method of wear-resistant coating
05/28/2014CN103820740A 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
05/28/2014CN103820739A 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
05/28/2014CN103820738A 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
05/28/2014CN103820737A 一种非开挖钻杆用钢 A non-excavation of the drill steel
05/28/2014CN103820736A 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
05/28/2014CN103820735A 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
05/28/2014CN103820734A 一种贝氏体钢轨件的制造方法 Process for producing a bainitic rail member
05/28/2014CN103820733A 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
05/28/2014CN103820732A 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
05/28/2014CN103820731A 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
05/28/2014CN103820730A 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
05/28/2014CN103820729A 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
05/28/2014CN103820728A 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
05/28/2014CN103820727A 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
05/28/2014CN103820726A 一种疲劳强度较高螺栓的制造方法 A method for producing a high fatigue strength bolt
05/28/2014CN103820725A 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
05/28/2014CN103820724A 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
05/28/2014CN103820723A 一种刀具用不锈钢材料及其制备方法 A cutter with stainless steel material and method
05/28/2014CN103820722A 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
05/28/2014CN103820721A 一种刀具合金钢材料及其制备方法 An alloy material and preparation method Tool
05/28/2014CN103820720A 一种耐磨的堆焊铁合金材料生产方法 A wear-resistant surfacing materials ferroalloy production methods
05/28/2014CN103820719A 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
05/28/2014CN103820718A 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
05/28/2014CN103820717A 钢板及其制备方法 Steel and its preparation method
05/28/2014CN103820716A 一种9Cr13MoVCo不锈钢带钢及制备方法 One kind of stainless steel and preparation 9Cr13MoVCo
05/28/2014CN103820715A 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
05/28/2014CN103820714A 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
05/28/2014CN103820713A 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
05/28/2014CN103820712A 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
05/28/2014CN103820711A 一种5Cr13不锈钢带钢及制备方法 One kind of 5Cr13 stainless steel and preparation methods
05/28/2014CN103820710A 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
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