Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
10/2013
10/09/2013CN103343300A Engineering steel with thickness greater than 26mm and vertical engineering steel greater than or equal to 500MPa and production method thereof
10/09/2013CN103343299A High-strength steel plate for water conservancy and preparation method thereof
10/09/2013CN103343298A Production method of steel 07MnNiMoDR for cryogenic container
10/09/2013CN103343297A Low-cost, wide and thick X80 pipeline steel plate and production method thereof
10/09/2013CN103343296A Rare earth containing seamless steel pipe used for hydraulic support and production method thereof
10/09/2013CN103343295A Sheet steel with high strength, high corrosion resistance and yield strength of 700 Mpa and production method thereof
10/09/2013CN103343294A Rare-earth-containing and CO2/H2S corrosion resistant C90 steel-grade oil well pipe and production method thereof
10/09/2013CN103343293A Rare earth containing, high strength and high toughness seamless steel pipe used for gas cylinder and production method thereof
10/09/2013CN103343288A Seamless steel tube for winding gas cylinder and manufacturing method thereof
10/09/2013CN103343287A Hot rolled steel for traction base of semitrailer and production method thereof
10/09/2013CN103343286A Pipeline steel smaller than 300MPa and production method thereof
10/09/2013CN103343285A 690-grade super-strength steel plate for ocean engineering and production method thereof
10/09/2013CN103343284A Method for producing high heat input welding Q345-level steel plate
10/09/2013CN103343282A Hydrogen sulfide corrosion resistant X70MS steel plate and production method thereof
10/09/2013CN103343281A Lamellar double-phase high-strength and high-toughness steel and preparation method thereof
10/09/2013CN103343275A Negative electrode material for high intensity discharge lamp and manufacturing method thereof
10/09/2013CN103343216A Suspended heat treatment equipment for forge pieces and heat treatment method thereof
10/09/2013CN103343213A Heat treatment method for thin-walled gear ring
10/09/2013CN103343209A Controlled rolling and controlled cooling technique for improving performance of Q235 steel plate
10/09/2013CN103343208A Production method of super-thick 15NnNi steel plates
10/09/2013CN103343207A Method for enhancing strength of low-carbon and medium-carbon steel through nano carbide precipitation
10/09/2013CN103343206A Rapid cooling system of thermal forming equipment for difficult-to-deform material
10/09/2013CN103343192A Deoxygenation method of hard copper bus for welding
10/09/2013CN103342020A Heat-resistant wearable clad steel plate and manufacturing method thereof
10/09/2013CN103341583A Method for forging large-scale super duplex stainless steel tube sheet forging piece
10/09/2013CN103341511A Precise cold drawing method of seamless steel tube with high precision, high intensity and high tenacity
10/09/2013CN102605267B Low-temperature-heating technology-optimized high-magnetic-induction-orientation electric steel plate and production method thereof
10/09/2013CN102560072B Pneumatic automatic counterweight beating roll
10/09/2013CN102534334B Preparation method of high-strength and high-toughness molybdenum alloy
10/09/2013CN102471818B Method for producing grain-oriented electromagnetic steel plate
10/09/2013CN102443740B Alloy steel nitride and manufacture method thereof
10/09/2013CN102337467B Scraper knife blade purposed steel with Brinell hardness of 470-520 and production method thereof
10/09/2013CN102212667B Production process of high-ductility cold-rolled ribbed steel bars
10/03/2013WO2013147407A1 (100)[ovw] non-oriented electrical steel sheet with excellent magnetic property and manufacturing method thereof
10/03/2013WO2013147197A1 High-strength steel pipe for line pipe having excellent hydrogen-induced cracking resistance, high-strength steel pipe for line pipe using same, and method for manufacturing same
10/03/2013WO2013146958A1 Motor rotor support and method for manufacturing same
10/03/2013WO2013146957A1 Motor rotor support and method for manufacturing same
10/03/2013WO2013146887A1 Steel plate for rotor cores for ipm motors, and method for producing same
10/03/2013WO2013146886A1 Method for producing steel plate for rotor cores for ipm motors
10/03/2013WO2013146880A1 Steel material for friction welding, and method for producing same
10/03/2013WO2013146879A1 Non-oriented electromagnetic steel sheet and method for producing same
10/03/2013WO2013146876A1 High-strength stainless steel wire having excellent heat deformation resistance, high-strength spring, and method for manufacturing same
10/03/2013WO2013146676A1 Wire rod and steel wire using same
10/03/2013WO2013146675A1 Steel wire rod with excellent shavability for high-strength spring, and high-strength spring
10/03/2013WO2013146123A1 Bearing steel material having superior cold-workability and method for producing same
10/03/2013WO2013145868A1 Boron-added high strength bolt steel having excellent delayed fracture resistance and high strength bolt
10/03/2013WO2013145784A1 Method for manufacturing oriented magnetic steel sheet
10/03/2013WO2013145771A1 Low yield ratio high-strength steel plate having superior strain aging resistance, production method therefor, and high-strength welded steel pipe using same
10/03/2013WO2013145770A1 Low yield ratio high-strength steel plate having superior strain aging resistance, production method therefor, and high-strength welded steel pipe using same
10/03/2013WO2013144373A1 High strength cold rolled steel sheet and method of producing such steel sheet
10/03/2013WO2013144321A1 A process for manufacturing a recovery annealed coated steel substrate for packaging applications and a packaging steel product produced thereby
10/03/2013WO2013144320A1 A process for manufacturing a recovery annealed coated steel substrate for packaging applications and a packaging steel product produced thereby
10/03/2013WO2013143519A1 Method for producing a component from steel by hot forming
10/03/2013WO2013143022A1 Unoriented silicon steel and method for manufacturing same
10/02/2013EP2644735A1 Electron-beam welded joint, steel material for electron-beam welding, and manufacturing method therefor
10/02/2013EP2644733A1 Electron-beam welded joint, steel material for electron-beam welding, and manufacturing method therefor
10/02/2013EP2644732A1 Electron-beam welded joint, steel material for electron-beam welding, and manufacturing method therefor
10/02/2013EP2644731A1 Electron-beam welded joint, steel material for electron-beam welding, and manufacturing method therefor
10/02/2013EP2644730A1 Electron beam welded joint, steel material for electron beam welding, and manufacturing method thereof
10/02/2013EP2644716A1 Method for producing directional electromagnetic steel sheet
10/02/2013EP2644715A1 Manufacture method of oriented silicon steel having good magnetic performance
10/02/2013DE112011103972T5 Abriebfester Stahl, Verfahren zur Herstellung eines abriebfesten Stahls und daraus hergestellter Artikel An abrasion resistant steel, process for producing an abrasion resistant steel and derived products
10/02/2013CN103339280A High-strength cold-rolled steel sheet having excellent processability and high yield ratio, and method for producing same
10/02/2013CN103339279A Process for manufacturing high manganese content steel with high mechanical resistance and formability, and steel so obtainable
10/02/2013CN103339268A Tailored properties by post hot forming processing
10/02/2013CN103334071A Heavy drawing and annealing device for copper wire
10/02/2013CN103334064A Low yield ratio chromium-molybdenum steel plate and production method thereof
10/02/2013CN103334061A Die-casting die steel with high heat conductivity and large section and preparation and heat treatment method thereof
10/02/2013CN103334058A Production process of deformed steel bar wire rod for high-speed rail
10/02/2013CN103334057A Hot-rolled martensite steel and production method thereof
10/02/2013CN103334055A Pipeline steel with resistance against carbon dioxide and hydrogen sulfide corrosion and preparation method thereof
10/02/2013CN103334054A Economical aluminium-containing hot extrusion mold steel and preparation, heat treatment and surface treatment method thereof
10/02/2013CN103334053A High-strength steel tube for low-temperature use with superior buckling resistance and toughness in weld heat-affected areas, and manufacturing method for same
10/02/2013CN103334052A High-thermal conductivity high-abrasion resistance hot stamping die steel and preparation method thereof
10/02/2013CN103334049A High carbon hard wire rod production method
10/02/2013CN103333997A Annealing heat treatment method of H13 die steel
10/02/2013CN103331571A Fabrication method of steel belt for safety belt
10/02/2013CN102703665B Preparation method of nano-structure strip martensitic ultra-high-strength steel plate
10/02/2013CN102505093B Solid expansion tube steel for open hole completion of oil and gas well and manufacturing method thereof
09/2013
09/26/2013WO2013139327A1 Non-scaling heat-treatable steel and method for producing a non-scaling component from said steel
09/26/2013WO2013139319A1 High-strength multi-phase steel, and method for producing a strip from said steel
09/26/2013US20130252017 Steel sheet for hot pressing and method for manufacturing hot-pressed member using the same
09/26/2013US20130248060 Strain aging hardening type steel sheet excellent in aging resistance, and manufacturing method thereof
09/26/2013US20130248059 Method for manufacturing a precipitation-hardening cold-rolled steel sheet having excellent yield ratios
09/26/2013US20130248055 Multi-Phase Steel, Cold-Rolled Flat Product Produced from Such a Multi-Phase Steel and Method for Producing It
09/26/2013US20130248054 Steel sheet for bottom covers of aerosol cans and method for producing same
09/26/2013DE102012006017A1 Hochfester Mehrphasenstahl und Verfahren zur Herstellung eines Bandes aus diesem Stahl A high-strength multiple phase steel and methods for making a tape from this steel
09/26/2013DE102011057007B4 Verfahren zum Herstellen eines Kraftfahrzeugbauteils sowie Kraftfahrzeugbauteil A method of manufacturing a motor vehicle component, and motor vehicle component
09/25/2013EP2641991A1 High-strength steel plate with excellent formability, warm working method, and warm-worked automotive part
09/25/2013EP2641990A1 High-strength steel plate with excellent formability, warm working method, and warm-worked automotive part
09/25/2013EP2641989A2 High-toughness cold-drawn non-heat-treated wire rod, and method for manufacturing same
09/25/2013EP2641987A2 High-strength steel material having outstanding ultra-low-temperature toughness and a production method therefor
09/25/2013CN203212619U Novel device for manufacturing magnesium silicon alloy mill finish quenching aluminium plate
09/25/2013CN203212608U Wiredrawing air supply adjusting device
09/25/2013CN103328673A Hot coil for line pipe and manufacturing method therefor
09/25/2013CN103328671A Hot-rolled steel sheet exhibiting exceptional press-molding properties and method for manufacturing same
09/25/2013CN103328669A High-strength steel plate and high-strength steel pipe having excellent deformability and low-temperature toughness, and manufacturing methods therefor
09/25/2013CN103328120A Method for producing a hot-rolled flat steel product
09/25/2013CN103320733A Copper wire heavy and medium drawing annealing apparatus
09/25/2013CN103320732A Copper wire heavy-drawing AC annealing apparatus
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