Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
02/2012
02/08/2012CN102345063A Structural steel plate Q345Qdz35 steel for extra-thick bridge and production method thereof
02/08/2012CN102345062A Low alloy Q345D steel plate with thickness less than 20mm and ensured flaw detection
02/08/2012CN102345061A Q690D quality structural medium steel plate and production method thereof
02/08/2012CN102345059A High strength low alloy structural normalizing A633GRD steel plate and production method thereof
02/08/2012CN102345057A High strength and toughness Q460E structural steel thick plate and production method thereof
02/08/2012CN102345054A 120mm low temperature pressure vessel 16MnDR steel thick plate and production method thereof
02/08/2012CN102345052A Production method of HRB400 (Hazardous Review Board 400) reinforcing steel bar
02/08/2012CN102345049A Low alloy Q345C-Z35 thick plate and production method thereof
02/08/2012CN102345048A Large-thickness boron steel SS400-B plate and production method thereof
02/08/2012CN102345047A 150mm Q245R extra thick plate and production method thereof
02/08/2012CN102345046A Low cost SM490A steel plate and production method thereof
02/08/2012CN102345045A A514GrQ steel plate for offshore platform rack, and production method thereof
02/08/2012CN102345044A Q420GJE-Z35 steel plate used for high grade high-rise building and its production method
02/08/2012CN102345043A Q370qE thick plate and its production method
02/08/2012CN102345042A Q420QE steel plate for high grade bridge and production method thereof
02/08/2012CN102345041A Q345D steel plate with thickness less than 50mm and ensured comprehensive mechanical property
02/08/2012CN102345003A Method for manufacturing high yield ratio steel wire
02/08/2012CN102345002A Quenching method of medium carbon steel
02/08/2012CN102345001A Method for preparing low-grade non-oriented electrical steel processed by rare earth
02/08/2012CN101979676B Method for improving magnetic property of oriented silicon steel through laser scribing
02/08/2012CN101528385B 磁特性优异的无取向电磁钢板的制造方法 Excellent method for producing the magnetic properties of non-oriented electrical steel sheet
02/08/2012CN101410537B 双相不锈钢无缝管的制造方法 Duplex stainless steel seamless pipe manufacturing method
02/07/2012US8110049 Alloy containing rare earth element, production method thereof, magnetostrictive device, and magnetic refrigerant material
02/07/2012CA2462260C High-strength thin steel sheet drawable and excellent in shape fixation property and method of producing the same
02/02/2012WO2012014926A1 Hot-rolled steel sheet, cold-rolled steel sheet, galvanized steel sheet, and processes for producing these
02/02/2012WO2012014851A1 Steel material for thermal cutting using oxygen
02/02/2012WO2012014290A1 Orientated electromagnetic steel sheet and manufacturing method for same
02/02/2012US20120024435 Method and device for controlled straightening and cooling of a wide metal strip, especially a steel strip or sheet metal, running out of a hot rolled strip rolling mill
02/02/2012US20120024434 Method for producing strips of metal, and production line for performing the method
02/02/2012CA2806626A1 Hot-rolled steel sheet, cold-rolled steel sheet, galvanized steel sheet, and methods of manufacturing the same
02/01/2012EP2412831A1 Process for producing grain-oriented magnetic steel sheet, grain-oriented magnetic steel sheet for wound core, and wound core
02/01/2012EP2133442B1 Low-alloy steel, seamless steel pipe for oil well, and process for producing seamless steel pipe
02/01/2012CN1940115B 高强度高韧性可焊钢以及由其制造构件的方法 Weldable steel high strength and toughness, and a method of its manufacture components
02/01/2012CN102341521A High-strength steel sheet, hot-dipped steel sheet, and alloy hot-dipped steel sheet that have excellent fatigue, elongation, and collision characteristics, and manufacturing method for said steel sheets
02/01/2012CN102337478A Excellent 100 kg-grade quenched and tempered steel plate with strong toughness and plasticity, and manufacturing method thereof
02/01/2012CN102337477A Smelting and heat treatment method for novel heat resistant steel
02/01/2012CN102337476A Novel heat-resistant steel
02/01/2012CN102337467A Scraper knife blade purposed steel with Brinell hardness of 470-520 and production method thereof
02/01/2012CN102337465A Ferrite stainless steel resisting high-temperature concentrated sulfuric acid
02/01/2012CN102337461A High-hardness martensitic stainless steel and its production method
02/01/2012CN102337460A Ultrahigh-strength structural steel board for ocean engineering and production method thereof
02/01/2012CN102337459A Steel for electric power tower and production method thereof
02/01/2012CN102337458A Steel with tensile strength not lower than 1100MPa for engineering machinery and production method thereof
02/01/2012CN102337457A High tensile steel plate containing rare earth La and rolling method thereof
02/01/2012CN102337456A Thick bridge steel plate and rolling method thereof
02/01/2012CN102337454A Carbon structural steel plate and preparation method thereof
02/01/2012CN102337453A Method for improving plastic deformation resistance of low-carbon structural steel
02/01/2012CN102337386A Production process of high-toughness and ultra-high strength steel and production system thereof
02/01/2012CN101928878B 车轴钢及其生产方法 Axle Steel and its production method
02/01/2012CN101886228B 具有高强高韧和高耐腐蚀性能的低碳马氏体时效不锈钢 Having high strength and high toughness and high corrosion resistance of low-carbon maraging steel
02/01/2012CN101748333B 一种低碳当量高强度耐磨钢板及其生产方法 One kind of carbon equivalent high-strength wear-resistant steel and its production method
02/01/2012CN101736193B 低碳钢板及其制备方法 Low-carbon steel and its preparation method
02/01/2012CN101688283B 加工性优良的耐磨钢板及其制造方法 Excellent workability, abrasion resistant steel and its manufacturing method
02/01/2012CN101660035B 一种纵向磁性能优异的电工钢制造方法 An excellent magnetic properties of electrical steel fabrication method for longitudinal
02/01/2012CN101490297B 奥氏体不锈钢铸件的制作方法和应用 Production methods and application of austenitic stainless steel castings
02/01/2012CN101428386B GCr15套圈冷冲成型方法 GCr15 rings cold-molding process
01/2012
01/31/2012CA2497870C Very high mechanical strength steel and method for making a sheet thereof coated with zinc or zinc alloy
01/26/2012WO2012011469A1 Rolled steel bar or wire for hot forging
01/26/2012US20120018063 Case-hardened steel superiorin cold workability, machinability, and fatigue characteristics after carburized quenching and method of production of same
01/26/2012US20120018062 Method of hot-rolled thin steel sheet with excellent formability and excellent strength and toughness after heat treatment
01/26/2012US20120018059 Method of making hot rolled dual phase steel sheet
01/26/2012US20120018058 Process for manufacturing a cold rolled trip steel product
01/26/2012US20120018056 Thick-walled high-strength hot rolled steel sheet having excellent hydrogen induced cracking resistance and manufacturing method thereof
01/26/2012US20120018055 Steel sheet for cans with excellent surface properties after drawing and ironing and method for producing the same
01/26/2012US20120018051 Nitratable steel material composition for producing piston rings and cylindrical sleeves
01/26/2012US20120018049 Process for the production of grain-oriented magnetic sheet starting from thin slab
01/26/2012US20120018028 High strength steel pipe for low-temperature usage having excellent buckling resistance and toughness of welded heat affected zone and method for producing the same
01/25/2012CN102330035A Heat resistant steel, and heat resistant steel pipe and manufacturing method thereof
01/25/2012CN102330030A Seamless steel pipe with diameter of between 559 and 711mm for vehicular high-pressure gas cylinder and production method thereof
01/25/2012CN102330024A Steel for tandem tube mill hollow mandrel and preparation technology thereof
01/25/2012CN102330021A Full production process of low-temperature oriented silicon steel
01/25/2012CN102330019A Preparation method for vanadium-containing twin crystal induced plastic steel with low carbon, high strength and high plasticity
01/25/2012CN102330017A Production method of superthick steel plate by using continuous casting billet in condition of small compression ratio
01/25/2012CN102329938A Preparation method for high-strength high-plasticity/toughness stainless steel
01/25/2012CN102041440B Method for producing high magnetic induction grain-oriented silicon steel
01/25/2012CN101921949B Continuous annealing production method of cold-rolled sheet No.45 steel
01/25/2012CN101818305B Process for producing cu-containing steel product of excellent surface property
01/24/2012CA2656946C Duplex stainless steel
01/19/2012US20120014831 Wire rod, steel wire, and manufacturing method thereof
01/19/2012US20120013430 Manufacturing method of grain oriented electrical steel sheet, grain oriented electrical steel sheet for wound core, and wound core
01/19/2012US20120012231 Cold-rolled steel sheet and method for producing the same
01/19/2012US20120012230 Stainless-steel seamless belt and manufacturing method therefor, fixing belt and heat fixing apparatus
01/19/2012DE102010050499B3 Verwendung eines verschleißfesten Stahlbauteils Use of a wear-resistant steel component
01/18/2012EP2407570A1 Hic-resistant thick steel sheet and uoe steel pipe
01/18/2012EP2406404A1 Method for producing a hot rolled strip and hot rolled strip produced from ferritic steel
01/18/2012CN202116596U Plate hard medium quenching and cooling system
01/18/2012CN102325909A Method of manufacturing sheet steel for sour-resistant line pipe
01/18/2012CN102325908A Method of manufacturing sheet steel for thick-walled sour-resistant line pipe of excellent toughness
01/18/2012CN102325907A Steel sheet annealing device, device for producing plated steel sheet comprising the same, and production method for plated steel sheet using the same
01/18/2012CN102321853A Stainless steel pipe used in aircrafts and ultra-low temperature systems of aircrafts, and manufacturing method thereof
01/18/2012CN102321852A Nanostructure carbide-free bainite medium-carbon alloy steel and preparation method
01/18/2012CN102321851A 10.9-grade boron-containing spheroidizing-free cold heading steel wire rod and manufacturing method thereof
01/18/2012CN102321847A Quenching and tempering structure thick steel plate for offshore platform and production method for quenching and tempering structure thick steel plate
01/18/2012CN102321846A Titanium-containing cold heading steel wire rod for 12.9-grade fastener and production method for titanium-containing cold heading steel wire rod
01/18/2012CN102321844A Hot-rolled corrosion-resistant baking-hardened steel and preparation method thereof
01/18/2012CN102321843A Galvanized steel for communication tower and production method thereof
01/18/2012CN102321841A Track shoe steel with tensile strength of up to 1300 MPa and manufacturing method thereof
01/18/2012CN102321840A Method for preparing hydrogen sulphide stress cracking-resistant steel based on current carrier control technology
01/18/2012CN102319734A Method for effectively controlling small pockmark defects on surface of medium plate
01/18/2012CN101648211B Rolling method of dual-phase stainless steel hot continuous rolled coil
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