Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
05/2012
05/02/2012CN102433500A Titanium-containing interstitial free (IF) steel and annealing technology
05/02/2012CN102433499A S275NL high strength and toughness ultrafine grain structural steel medium plate and its production method
05/02/2012CN102433498A Q550 D high-quality structural iron medium and heavy plate and production method thereof
05/02/2012CN102433497A High carbon and high tungsten self-melting alloy powder
05/02/2012CN102433496A Method for producing Q460 steel plate with single stand rolling mill
05/02/2012CN102433495A Rare-earth treated anticorrosive steel plate for wind power
05/02/2012CN102430901A P110 steel level high frequency straight welded pipe manufacturing method
05/02/2012CN102430743A Method for preparing surface-layer composite by using cast-infiltration method
05/02/2012CN102430582A Roll sleeve of ultra-strong wear-resistant high alloy steel roll squeezer and manufacturing method roll sleeve
05/02/2012CN102002638B Process for producing plastic mould steel thick plate with uniform section rigidity
05/02/2012CN101928892B Spring steel round steel and production process thereof
05/02/2012CN101684536B Iron system sintered bearing and method for producing the same
05/02/2012CN101671109B Bimetallic glass mould of copper and stainless steel and preparation method thereof
05/02/2012CN101568661B Martensitic non-heat-treated steel for hot forging and non-heat-treated steel hot forgings
05/02/2012CN101538677B HRB500E fine grain anti-seismic steel bar and production method thereof
05/02/2012CN101454469B Unidirectionally grain oriented electromagnetic steel sheet having excellent iron loss properties
05/01/2012US8168011 High-strength steel wire excellent in ductility and method of manufacturing the same
05/01/2012US8168010 Low alloy steel for oil well pipes having excellent sulfide stress cracking resistance
05/01/2012US8168009 Hard alloys with dry composition
05/01/2012US8168008 Martensitic stainless steel pipe
04/2012
04/26/2012WO2012054789A1 Chromium-free hardfacing welding consumable
04/26/2012WO2012053694A1 Galvanized steel sheet having excellent coatability, coating adhesion, and spot weldability, and method for manufacturing same
04/26/2012WO2012053642A1 Method for manufacturing hot stamped body having vertical wall, and hot stamped body having vertical wall
04/26/2012WO2012053637A1 Steel sheet and steel sheet production process
04/26/2012WO2012053636A1 Process for producing hot stamp molded article, and hot stamp molded article
04/26/2012WO2012053541A1 Steel for cold forging/nitriding, steel material for cold forging/nitriding, and cold-forged/nitrided component
04/26/2012WO2012053044A1 Hot-rolled steel sheet, cold-rolled steel sheet, and plated steel sheet each having exellent uniform ductility and local ductility in high-speed deformation
04/26/2012WO2012052689A1 Hot-rolled or cold-rolled steel plate, method for manufacturing same, and use thereof in the automotive industry
04/26/2012WO2012052626A1 Hot-rolled or cold-rolled steel plate, method for manufacturing same, and use thereof in the automotive industry
04/26/2012US20120100034 Process for producing sponge iron
04/26/2012DE102010046773A9 Federstahl und Feder mit hervorragender Korrosionsschwingfestigkeit Spring steel and spring with excellent corrosion fatigue strength
04/26/2012CA2815018A1 Hot-rolled or cold-rolled steel plate, method for manufacturing same, and use thereof in the automotive industry
04/26/2012CA2814646A1 Steel sheet and method for manufacturing steel sheet
04/26/2012CA2814630A1 Method for manufacturing hot stamped body and hot stamped body
04/26/2012CA2814410A1 Chromium-free hardfacing welding consumable
04/26/2012CA2813915A1 Method for manufacturing hot stamped body having vertical wall and hot stamped body having vertical wall
04/25/2012EP2444523A1 Electromagnetic steel sheet having insulating coating film and process for production thereof
04/25/2012EP2444511A1 Steel for nitriding and nitrided steel components
04/25/2012EP2444510A1 High-strength hot-dip galvannealed steel shhet with excellent workability and fatigue characteristics and process for production thereof
04/25/2012EP2444509A1 Ferritic stainless steel material for brazing, and heat exchanger member
04/25/2012EP2444508A1 FERRITIC Cr-STEEL FOR HEAT-RESISTANT PRECISION COMPONENT AND METHOD FOR PRODUCING SAME, AND HEAT-RESISTANT PRECISION COMPONENT AND METHOD FOR PRODUCING SAME
04/25/2012EP2444182A1 Sintered material for valve guides and production method therefor
04/25/2012EP2291547B1 Method for manufacturing very high strength, cold-rolled, dual phase steel sheets, and sheets thus produced
04/25/2012EP1717331B1 Steel sheet or steel pipe being reduced in expression of bauschinger effect, and method for production thereof
04/25/2012EP1546417B1 High strength seamless steel pipe excellent in hydrogen-induced cracking resistance and its production method
04/25/2012EP1528113B1 Method for producing dispersed oxide reinforced ferritic steel having coarse grain structure and being excellent in high temperature creep strength
04/25/2012CN202201950U 一种高纯钛铁生产设备 High-purity titanium-iron production equipment
04/25/2012CN102428201A Stainless Steel For Oil Well, Stainless Steel Pipe For Oil Well, And Process For Production Of Stainless Steel For Oil Well
04/25/2012CN102428200A 含有碳-氮复合添加剂的高强度/抗腐蚀性奥氏体不锈钢及其制造方法 Containing carbon - high strength nitrogen compound additive / corrosion resistance of austenitic stainless steel and its manufacturing method
04/25/2012CN102428199A 高强度弹簧用中空无缝管 High-strength spring hollow seamless
04/25/2012CN102428198A Steel material for high heat input welding
04/25/2012CN102428197A 铁素体马氏体铁基合金,部件和方法 Martensitic ferritic iron-based alloys, components and methods
04/25/2012CN102424936A 一种耐低温冲击的合金结构钢及其制造方法 An alloy structural steel and manufacturing method of low-temperature impact resistance
04/25/2012CN102424935A 一种含Cr、Ni低合金低温铸钢 Containing Cr, Ni low-alloy cast steel hypothermia
04/25/2012CN102424934A 18CrNiMo7-6大型齿轮钢锻件制造方法 18CrNiMo7-6 large gear steel forgings manufacturing method
04/25/2012CN102424933A 一种热轧高强带钢及其制造方法 A hot rolled high-strength steel and its manufacturing method
04/25/2012CN102424932A Production method of hot-rolled 500N Australian standard steel bar
04/25/2012CN102424931A 精密机床滑块用非调质合金结构钢、制造方法和应用 Precision Machine Tool slider non-quenched and tempered alloy steel, manufacturing methods and applications
04/25/2012CN102423795A 一种高锰钢的连铸方法 A high manganese steel casting method
04/25/2012CN101934351B 一种混凝土输送泵油压水箱的制作工艺 Production process for concrete delivery pump hydraulic tank
04/25/2012CN101914727B 一种具有良好低温韧性的机车车头用钢板及其生产方法 A motorcycle having a front with a good low temperature toughness of the steel sheet and production method thereof
04/25/2012CN101910436B 具有优良耐候性的高强度冷轧钢板及其制备方法 Has excellent weather resistance and high strength cold rolled steel sheet production method
04/25/2012CN101899619B 高应变硬化指数的热镀锌高强钢及其生产方法 HDG high strain hardening exponent of high-strength steel and its production method
04/25/2012CN101845602B 一种高性能耐候建筑结构用钢及其制造方法 A high performance weathering steel building structure and its manufacturing method
04/25/2012CN101724777B 抗拉强度为550MPa级热轧轮辋钢板及其制造方法 Tensile strength of 550MPa grade hot-rolled steel sheet and method of manufacturing the rim
04/25/2012CN101691629B 无缝钢管的制造方法 Seamless steel pipe manufacturing method
04/25/2012CN101589168B Lead free free-cutting steel and its use
04/25/2012CN101514427B High strenght steel sheet having superior ductility and method for manufacturing the same
04/25/2012CN101258255B 淬硬性优异的耐热盘式制动器用马氏体系不锈钢板 Excellent heat hardened martensitic stainless steel for a disc brake plate
04/24/2012US8163233 Martensitic stainless steel for welded structures
04/24/2012US8163108 High-strength cold-rolled steel sheet, high-strength galvanized steel sheet, and high-strength alloyed hot-dip galvanized steel sheet having excellent formability and weldability, and methods for manufacturing the same
04/24/2012US8163107 High-strength steel excellent in weldability and process for production thereof
04/24/2012CA2695527C Method for manufacturing high strength hot rolled steel sheet
04/24/2012CA2645059C Process for manufacturing steel sheet having very high strength, ductility and toughness characteristics, and sheet thus produced
04/24/2012CA2506351C Method for making an abrasion resistant steel plate and plate obtained
04/24/2012CA2506349C Method for making an abrasion resistant steel plate and plate obtained
04/19/2012WO2012050226A1 Ferritic stainless steel excellent in heat resistance and workability
04/19/2012WO2012050097A1 Laser welding method
04/19/2012WO2012048993A1 High-strength shaped bodies which are composed of iron alloys, are plastically deformable at room temperature and absorb mechanical energy
04/19/2012WO2012048917A1 Quenched and tempered steel, use thereof as bar material, threaded spindle, toothed rack, toothed rack elements and method for producing same
04/19/2012WO2012048841A1 Method of hot forming a steel blank and the hot formed part
04/19/2012WO2012005975A9 Improved ferro-alloys
04/19/2012US20120094271 Selecting for cooperatively interacting molecules
04/19/2012US20120093679 Method for the production of tools made of alloyed steel and tools in particular for the chip-removing machining of metals
04/19/2012US20120093678 Steel material for automobile chassis parts superior in fatigue characteristics and method of production of automobile chassis parts using the same
04/19/2012US20120093677 Method for producing a hot rolled strip and hot rolled strip produced from ferritic steel
04/19/2012DE102010042413A1 Piston ring comprises metal casting material comprising spherical gas bubbles occupying metal casting material
04/18/2012EP2441854A1 High strength steel pipe and method for producing same
04/18/2012EP2441853A1 Method for producing tools from steel alloy and tools, in particular for machining metal
04/18/2012EP2441852A1 Side-member and method for producing a thermoformed and press-hardened side-member
04/18/2012EP2441851A1 Cross-member and method for producing a thermoformed and press-hardened cross-member
04/18/2012EP2441850A1 Motor vehicle column and method for producing a thermoformed and press-hardened motor vehicle column
04/18/2012EP2060643B1 Steel excelling in toughness at region affected by welding heat
04/18/2012EP2006407B9 High-strength steel plate with superior crack arrestability
04/18/2012EP1905859B1 HOT-DIP Sn-Zn SYSTEM COATED STEEL SHEET HAVING GOOD CORROSION RESISTANCE
04/18/2012CN202193832U 一种铁硅铝合金的熔炼、浇铸装置 An iron-silicon aluminum smelting, casting device
04/18/2012CN102421927A 软氮化用钢、软氮化钢部件及其制造方法 Soft nitriding steel, soft nitriding steel components and its manufacturing method
04/18/2012CN102421926A HIC-resistant thick steel sheet and UOE steel pipe
04/18/2012CN102421925A High-strength hot-rolled steel sheet and process for manufacture thereof
04/18/2012CN102418182A 一种新型猪尾圈的制备方法 A novel method for the preparation of the pigtail loop