Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
03/2012
03/07/2012EP2426230A1 High-strength hot-dip zinc-coated steel sheet having excellent workability, weldability and fatigue properties, and process for production thereof
03/07/2012EP1486580B1 Atmosphere corrosion resisting steel plate having high strength and excellent bending formability and method for production thereof
03/07/2012CN102369300A Method for producing high-strength cr-ni alloy seamless pipe
03/07/2012CN102367560A High-strength corrosion-resisting straight welded pipe steel and manufacture method thereof
03/07/2012CN102367558A Boric low alloy wear resistant steel for pump
03/07/2012CN102367556A Drilling steel and preparation method thereof
03/07/2012CN102367553A Manufacturing method of martensite stainless steel seamless steel pipe
03/07/2012CN102367552A Stainless steel pipe and preparation method thereof
03/07/2012CN102367550A Rare-earth-containing wet H2S corrosion resisting steel pipe used in heat exchanger, and production method thereof
03/07/2012CN102367549A Bar for large wind driven generator gear and manufacturing method of bar
03/07/2012CN102367548A Method for producing ferrite stainless steel pipe
03/07/2012CN102367547A Manufacture method of high-silicon aluminum content non-oriented silicon steel strip
03/07/2012CN102367546A Control method for coast atmospheric corrosion resistant scale on surface of boat deck
03/07/2012CN102367545A A572Gr50 boron-added-steel steel plate and production method thereof
03/07/2012CN102367544A High strength and toughness structural steel S355K2Z35 slab and production method thereof
03/07/2012CN102367543A Boron steel ASTMA36-B medium and heavy plate and production process thereof
03/07/2012CN102367541A 65mm Q345GJCZ35 steel plate and production method thereof
03/07/2012CN102367540A Deep sea pipeline steel produced based on steckel mill and preparation method thereof
03/07/2012CN102367539A Low-alloy Q390C thick plate and its production method
03/07/2012CN102367538A Super-thick low alloy high strength Q345C steel plate and production method thereof
03/07/2012CN102367508A Method for improving surface quality of hot rolled steel coils
03/06/2012US8128762 High-strength steel sheet superior in formability
03/06/2012US8127449 Press-hardened component and method for the production of a press-hardened component
03/06/2012CA2718304C 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
03/06/2012CA2620054C Seamless steel pipe for line pipe and a process for its manufacture
03/01/2012WO2012025171A1 Profiled component and method for producing a profiled component
03/01/2012WO2012024939A1 Method for improving surface coarse grain of non-oriented silicon steel
03/01/2012WO2012024934A1 Cold rolled electromagnetic steel sheet used for rapid cycling synchrotron and producing method thereof
03/01/2012US20120048431 Rare-earth permanent magnet and production process for the same
03/01/2012DE102010035195A1 Profilbauteil und Verfahren zur Herstellung eines Profilbauteils Profile component and process for producing a profile component
03/01/2012DE102010012831A1 Getriebetunnel Transmission Tunnel
02/2012
02/29/2012EP2423344A2 High strength, high toughness steel wire rod, and method for manufacturing same
02/29/2012DE202012000616U1 Struktur- und/oder Karosseriebauteil für ein Kraftfahrzeug mit verbesserten Crasheigenschaften und Korrosionsschutz Structural and / or vehicle body part for a motor vehicle having improved crash performance and corrosion protection
02/29/2012CN102365376A Method for producing seamless steel pipe
02/29/2012CN102363874A Heat-resisting and wear-resisting drill tool steel and preparation method thereof
02/29/2012CN102363869A Manufacturing method of free-cutting ferritic stainless steel 430FM
02/29/2012CN102363868A Pipeline steel and production method thereof
02/29/2012CN102363864A Method for manufacturing martensite stainless steel tubes
02/29/2012CN102363862A Method for manufacturing seamless steel tube
02/29/2012CN102363859A Method for producing wear-resisting steel plate
02/29/2012CN102363858A High-strength steel for 750 to 880 MPa-level vehicles and production method thereof
02/29/2012CN102363856A Rare earth (RE) processed high strength high toughness corrosion resistant steel plate and preparation method thereof
02/29/2012CN102363855A Method for improving susceptibility of flake formation of wheel steel by using second phase in steel
02/29/2012CN102363833A Method for manufacturing transformation induced plasticity steel seamless tube on line
02/29/2012CN102363832A Production technology of finish-rolled ribbed bars
02/29/2012CN102363831A Rolling and follow-up heat treatment method for high-alumina 310S plate
02/29/2012CN102363210A Production process for 48MnV round steel
02/29/2012CN101812630B Hot-rolling high-strength enamel sheet for deep drawing and manufacturing method thereof
02/28/2012US8122580 Methods for manufacturing an axle
02/23/2012WO2012023483A1 Special steel steel-wire and special steel wire material
02/23/2012WO2012022184A1 Hot-dip galvanized high strength steel with high strain hardening index and method producing same
02/23/2012WO2012002638A3 Ultra-high-strength steel bar and method for manufacturing same
02/22/2012EP2420586A1 High strength steel plate and method for manufacturing the same
02/22/2012EP1595966B1 Steel pipe for bearing elements, and methods for producing and cutting the same
02/22/2012CN102361993A Process for producing grain-oriented magnetic steel sheet, grain-oriented magnetic steel sheet for wound core, and wound core
02/22/2012CN102360664A Magnetically soft block material with low eddy current loss and preparation method thereof
02/22/2012CN102357778A Manufacturing method of pulling straightening roller
02/21/2012US8118954 Time-delayed contact of tool with parts of component receptacles allows purposeful production at this location a bainitic, perlitic, ferritic or mixed structure optimally satisfying design demands; bodywork components exposed to varying loads
02/21/2012US8118953 Method for producing steel part having long rolling contact fatigue life
02/16/2012WO2012021090A1 Method for thermal processing of articles consisting of alloys on the basis of iron (variants)
02/16/2012WO2012020847A1 High-strength hot-rolled steel sheet having excellent workability, and a method for producing same
02/16/2012US20120037277 Method of treating steel for grain-oriented electrical steel sheet and method of manufacturing grain-oriented electrical steel sheet
02/15/2012EP2418296A1 Steel for case hardening which has excellent cold workability and machinability and which exhibits excellent fatigue characteristics after carburizing and quenching, and process for production of same
02/15/2012EP2418294A1 Method for treating steel for directional electromagnetic steel plate and method for producing directional electromagnetic steel plate
02/15/2012EP2418293A2 Method and apparatus for micro-treating iron-based alloy, and the material resulting therefrom
02/15/2012EP1795274B1 METHOD FOR HOT WORKING OF Cr-CONTAINING STEEL
02/15/2012CN102356174A Micro-alloyed carbon steel as texture-rolled steel strip, in particular for spring elements
02/15/2012CN102352470A Preparation method of stainless steel thin strip for mobile phone shell
02/15/2012CN102352469A Ultrahigh-strength vanadium-titanium composite microalloyed high carbon steel wire rod and preparation method thereof
02/15/2012CN102352468A Preparation method of stainless steel thin strip for mobile phone shell
02/15/2012CN102352461A Preparation method of silicon steel with low silicon content used for electric motor
02/15/2012CN102352429A Method for eliminating niobium eutectics in niobium-containing steel
02/15/2012CN101812633B 一种高屈强比热镀锌结构件用钢及其制造方法 A high-yield ratio galvanized steel structure and its manufacturing method
02/15/2012CN101775538B 一种500MPa级高强抗震钢筋生产工艺 One kind of 500MPa high-strength steel production process seismic
02/09/2012WO2012017933A1 Process for producing non-oriented electromagnetic steel sheet
02/09/2012WO2012017693A1 Grain-oriented magnetic steel sheet and process for producing same
02/09/2012WO2012017690A1 Directional magnetic steel plate and production method therefor
02/09/2012WO2012017689A1 Grain-oriented magnetic steel sheet and process for producing same
02/09/2012WO2012017675A1 Oriented electromagnetic steel plate
02/09/2012WO2012017671A1 Directional magnetic steel plate
02/09/2012WO2012017670A1 Grain-oriented magnetic steel sheet and process for producing same
02/09/2012WO2012017669A1 Grain-oriented electrical steel sheet, and method for producing same
02/09/2012WO2012017655A1 Oriented electromagnetic steel plate and production method for same
02/09/2012WO2012017654A1 Grain-oriented electrical steel sheet, and method for producing same
02/09/2012WO2012016667A1 Sheet metal moulding for motor vehicles and process for producing a sheet metal moulding for motor vehicles
02/09/2012US20120032764 Alloy for sintered r-t-b-m magnet and method for producing same
02/09/2012US20120031532 Steel plate for line pipe excellent in strength and ductility and method of production of same
02/09/2012US20120031530 Stainless steel for oil well, stainless steel pipe for oil well, and method of manufacturing stainless steel for oil well
02/09/2012CA2807447A1 Grain oriented electrical steel sheet and method for manufacturing the same
02/09/2012CA2807444A1 Grain oriented electrical steel sheet and method for manufacturing the same
02/08/2012EP2415895A1 Metal moulded part for motor vehicle
02/08/2012EP2415894A2 Steel sheet excellent in workability and method for producing the same
02/08/2012EP2415893A2 Steel sheet excellent in workability and method for producing the same
02/08/2012EP2415884A1 Method for producing seamless steel pipe
02/08/2012EP2415883A1 Method for producing high-strength seamless cr-ni alloy pipe
02/08/2012EP2415882A1 Method for producing a shaped metal sheet from a rolled, non-hardenable aluminium alloy
02/08/2012EP2414552A1 Bainitic steels for passenger car and light commercial vehicle ball pins
02/08/2012EP1375683B1 High strength steel tube for air bag and method for production thereof
02/08/2012CN102345074A Intermediate-carbon high-speed cutting saw blade matrix steel and production method thereof
02/08/2012CN102345066A Steel used for pressure container and preparation method thereof
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