Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
01/2012
01/17/2012US8097207 Steel having high mechanical strength and wear resistance
01/17/2012US8097098 Martensitic stainless steel composition, method for making a mechanical part from said steel and resulting part
01/17/2012US8097096 Fire resistant steel excellent in high temperature strength, toughness, and reheating embrittlement resistance and process for production of the same
01/17/2012US8097094 High-strength electrical steel sheet and processed part of same
01/17/2012CA2586343C Retrogression heat treatment
01/12/2012WO2012005373A1 Drawn and heat-treated steel wire for high-strength spring, and undrawn steel wire for high-strength spring
01/12/2012WO2012005330A1 Ni-CONTAINING STEEL SHEET AND PROCESS FOR PRODUCING SAME
01/12/2012WO2012004473A1 Austenitic-ferritic stainless steel having improved machinability
01/12/2012WO2012004464A1 Austenitic-ferritic stainless steel having improved machinability
01/12/2012WO2012004205A1 Method and production line for producing a cold rolled flat steel product from a rustproof steel
01/12/2012US20120006451 Carbon steel sheet having excellent carburization properties, and method for producing same
01/12/2012DE112008001181B4 Verwendung einer Stahllegierung für Achsrohre sowie Achsrohr Use of a steel alloy for axle tubes and axle tube
01/12/2012DE102009043539A9 Magnetischer Streifen, Sensor aufweisend einen magnetischen Streifen und Verfahren zur Herstellung eines magnetischen Streifens Magnetic stripe, comprising a magnetic sensor strips and methods of making a magnetic strip
01/12/2012CA2804320A1 Austenite-ferrite stainless steel of improved machinability
01/11/2012EP2405027A2 Stainless steel material having outstanding high-temperature strength, and a production method therefor
01/11/2012EP2405026A1 Cold-rolled steel sheet having excellent bendability, method for producing the same, and member employing the same
01/11/2012EP2404636A1 Core for guide wire and method of producing same
01/11/2012EP1681363B1 High-yield-ratio high-strength hot-rolled thin steel sheet and high-yield-ratio high-strength hot-dip galvanized hot rolled thin steel sheet excelling in weldability and ductility as well as high-yield-ratio high-strength alloyed hot-dip galvanized hot rolled thin steel sheet and process for producing the same
01/11/2012EP1678335B1 Low carbon alloy steel tube having ultra high strength and excellent toughness at low temperature and method of manufacturing the same
01/11/2012CN102312168A Prehardening plastic die steel plate and manufacture method thereof
01/11/2012CN102312165A Stainless steel plate for fuel tank of automobile and manufacturing method thereof
01/11/2012CN102312163A Steel for mandrel pipe mill mandril and preparation technology thereof
01/11/2012CN102312158A Nb, Ti alloyed low-carbon high-intensity high-plasticity TWIP steel and preparation method thereof
01/11/2012CN102312157A Cold-rolled TRIP steel at over 1000 MPa and preparation method thereof
01/11/2012CN102312156A Guaranteed performance and low alloy Q345E+B steel plate of less than 60mm and production process thereof
01/11/2012CN102312066A Rigid stainless steel material
01/11/2012CN102310184A Manufacturing method of wear-resistant composite steel plate and manufactured composite steel plate
01/11/2012CN101906583B Heat resistance fiber material of catalyst carrier for purifying automobile exhaust and manufacturing method thereof
01/11/2012CN101864538B Nickel-free weather-resistant steel and method for preparing hot rolled plate thereof
01/11/2012CN101824525B Production method of hot milling steel plate
01/11/2012CN101778956B Process for the production of a grain oriented magnetic strip
01/11/2012CN101624682B Ultra-high strength high-ductility steel and manufacturing method thereof
01/11/2012CN101528969B Method for manufacturing flat steel products from a steel forming a microduplex structure
01/11/2012CN101297049B Method for producing hot strip with a multiphase structure
01/11/2012CN101180411B Grain oriented electromagnetic steel sheet having excellent film adhesion and process for producing the same
01/05/2012WO2012002638A2 Ultra-high-strength steel bar and method for manufacturing same
01/05/2012WO2012002567A1 Abrasion-resistant steel plate or sheet with excellent weld toughness and delayed fracture resistance
01/05/2012WO2012002563A1 Wear-resistant steel sheet having excellent welded part toughness and lagging destruction resistance properties
01/05/2012WO2012002481A1 Hot-rolled steel sheet and method for producing same
01/05/2012WO2012001971A1 Process for producing grain-oriented magnetic steel sheet
01/05/2012WO2012001965A1 Core-loss improving device and core-loss improving method for grain-oriented magnetic steel sheet
01/05/2012WO2012001957A1 Oriented magnetic steel sheet and production method thereof
01/05/2012WO2012001953A1 Grain-oriented electromagnetic steel sheet and manufacturing method for same
01/05/2012WO2012000638A1 Chromium-nickel steel, martensitic wire and method for producing same
01/05/2012WO2012000071A1 A cold-rolled annealed steel plate with twip effect and process for producing same
01/05/2012WO2011131174A3 Method and device for hot forming and heat treatment of coated sheet metal
01/05/2012US20120004718 Platinum Enhanced Alloy and Intravascular or Implantable Medical Devices Manufactured Therefrom
01/05/2012US20120000580 Corrosion-Resistant Austenitic Steel
01/05/2012DE102010048209B3 Verfahren zur Herstellung eines warmumgeformten pressgehärteten Metallbauteils A method for producing a hot-formed press-hardened metal member
01/05/2012CA2801708A1 Abrasion resistant steel plate which exhibits excellent weld toughness and excellent delayed fracture resistance
01/05/2012CA2801703A1 Abrasion resistant steel plate which exhibits excellent weld toughness and excellent delayed fracture resistance
01/04/2012EP2402469A1 Hydrogen fatigue resistant ferrite steel and manufacturing method thereof
01/04/2012CN102308013A High-strength steel tube for low-temperature use with superior buckling resistance and toughness in weld heat-affected areas, and manufacturing method for same
01/04/2012CN102305026A Special-shaped drill pipe for geological exploration and processing method thereof
01/04/2012CN102304670A Steel plate with -40 DEG C strain aging and high toughness and production method thereof
01/04/2012CN102304668A Preparation method of high performance ultra-thick steel plate
01/04/2012CN102304667A X100 pipeline steel plate with good low temperature toughness and preparation method thereof
01/04/2012CN102304665A Steel plate for automobile and production method thereof
01/04/2012CN102304664A High strength and high plasticity aluminum-containing medium manganese transformation-induced plasticity (TRIP) cold-rolled steel plate and preparation method thereof
01/04/2012CN102304662A Production method of low carbon deep drawing cold rolled steel sheet
01/04/2012CN102304613A Steel pipe for supplemental restraint system and manufacture method thereof
01/04/2012CN102304612A High-temperature splicing and quenching forming process and device of ultrahigh-strength steel
01/04/2012CN102304611A Steel sheet production method based on rolling deformation and quick phase change
01/04/2012CN102303043A Cold-rolled ribbed steel bar production device and production method for the same
01/04/2012CN101905244B Method for producing mandrel by utilizing 28NiCrMoV steel as raw material
01/04/2012CN101680046B A cold rolledsteel sheet and method for manufacturing the same
01/04/2012CN101501234B Duplex stainless steel
01/04/2012CN101415549B Soft magnetic metal strip laminate and process for production thereof
01/03/2012CA2658499C Method for producing pearlitic rail excellent in wear resistance and ductility
01/03/2012CA2620069C Seamless steel pipe for line pipe and a process for its manufacture
01/03/2012CA2513298C High-strength hot-dip galvanized steel sheet and method for producing the same
12/2011
12/29/2011WO2011162418A1 High-tension/hot-rolled steel sheet having excellent workability, and method for producing same
12/29/2011WO2011162412A1 High-strength hot-rolled steel sheet having excellent stretch flangeability and method for producing same
12/29/2011WO2011162086A1 Method for producing unidirectional electromagnetic steel sheet
12/29/2011WO2011160209A1 Tailored properties by post hot forming processing
12/29/2011US20110318217 Cold-rolled steel sheet with excellent bending workability, method for manufacturing the same, and member using the same
12/29/2011US20110315280 Method and Device for Annealing and Descaling Strips of Stainless Steel
12/29/2011US20110315279 High-strength galvanized steel sheet having excellent formability and method for manufacturing the same
12/29/2011CA2804707A1 Tailored properties by post hot forming processing
12/29/2011CA2801295A1 High strength hot-rolled steel sheet having excellent stretch-flange formability and method for manufacturing the same
12/28/2011EP2400041A1 Steel material for welding and method for producing same
12/28/2011EP2398602A1 A hot rolled thin cast strip product and method for making the same
12/28/2011CN102301026A 低温韧性优良的厚壁高强度热轧钢板及其制造方法 Excellent low temperature toughness of thick high-strength hot rolled steel sheet and manufacturing method thereof
12/28/2011CN102301025A 原油罐用耐腐蚀钢材及其制造方法以及原油罐 Crude oil tank corrosion resistant steel and crude oil tank and its manufacturing method
12/28/2011CN102301024A 线材、钢丝以及它们的制造方法 Wire, the wire and manufacturing method thereof
12/28/2011CN102301022A 深拉性优异且具有高屈强比的高强度冷轧钢板,使用其的镀锌钢板、合金化镀锌钢板,及其制造方法 Excellent deep drawing and has a high yield ratio high-strength cold-rolled steel sheet, galvanized steel sheet using the same, alloyed galvanized steel sheet, and manufacturing method thereof
12/28/2011CN102301015A 耐hic性优良的厚壁高强度热轧钢板及其制造方法 Excellent resistance hic thick-walled high-strength hot rolled steel sheet and manufacturing method thereof
12/28/2011CN102301014A 高强度压硬制品及其制造方法 High strength pressed hard products and its manufacturing method
12/28/2011CN102296244A 一种经济型耐腐蚀抽油杆用盘条及其制造方法 An economical corrosion sucker rod with its manufacturing method
12/28/2011CN102296242A 一种汽车用高强韧性热成形钢板的热处理方法 A vehicle with a high strength and toughness hot forming steel heat treatment method
12/28/2011CN102296238A 一种铁钴合金及其强磁介质棒材的制备方法 Preparation of an iron-cobalt alloy and magnetic media Bars
12/28/2011CN102296235A 热轧钢板、热轧钢板的生产装置、和热轧钢板的生产方法 Hot-rolled steel, hot-rolled steel production unit, and hot-rolled steel production methods
12/28/2011CN102296234A 耐磨钢板及其生产装置和生产方法 Wear-resistant steel and its production equipment and production methods
12/28/2011CN102296232A 超高强度高塑性低碳相变与孪晶诱发塑性热轧钢板及制法 Ultra high strength carbon phase transformation plasticity twinning induced plasticity and hot-rolled steel and manufacturing method
12/28/2011CN102296230A 汽车车轮钢圈用热轧钢、及其生产工艺 Hot rolled steel car wheel rims, and its production process
12/28/2011CN102296229A 一种抗拉强度700MPa级低屈强比热轧双相钢板及制造方法 One kind of low yield ratio 700MPa grade hot-rolled dual-phase steel and manufacturing method tensile strength
12/28/2011CN102294431A F级燃气轮机静叶环毛坯锻件的制造方法 F-class gas turbine manufacturing method vanes ring forging blanks
12/28/2011CN101906576B 一种热连轧钢板的生产方法 A heat-rolling steel production methods
12/28/2011CN101767282B 一种铸铁/碳钢蜂窝夹芯结构耐磨复合管的制备方法 Preparation method of cast iron / steel honeycomb sandwich structure wear-resistant composite pipe
12/28/2011CN101548026B 低温韧性优异的高强度厚壁管线管用焊接钢管及其制造方法 Superior low temperature toughness of high strength thick line pipe use welded steel pipe and manufacturing method thereof
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