| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 01/29/2009 | US20090025839 High tensile strength, refractory steel having excellent weldability and gas cuttability and method for producing same |
| 01/29/2009 | US20090025838 Cold-rolled steel sheet, method of producing the same, battery, and method of producing the same |
| 01/29/2009 | DE102008026387A1 Verfahren zum Herstellen einer komplexen wärmebehandelten, rohrförmigen Struktur A method for producing a complex heat-treated, tubular structure |
| 01/29/2009 | DE102008012577B3 Heat-treatment device for pipe body of auto-cement pump, has annular space formed between cylindrical body of receptacle and pipe body |
| 01/29/2009 | DE102007035774A1 Weichmagnetische Legierung auf Eisen-Kobalt-Basis sowie Verfahren zu deren Herstellung Soft magnetic alloy of iron-cobalt-base, and processes for their preparation |
| 01/29/2009 | DE102007035773A1 Weichmagnetische Legierung auf Eisen-Kobalt-Chrom-Basis sowie Verfahren zu deren Herstellung Soft magnetic alloy of iron-cobalt-chromium-base as well as processes for their preparation |
| 01/29/2009 | CA2687434A1 Process and device for producing strips of silicon steel or multiphase steel |
| 01/28/2009 | CN101353766A Grooving corrosion resistant high strength steel for ERW soldering sleeve, sleeve and production method |
| 01/28/2009 | CN101353762A Silver copper composite deep punch type ferrite antibiotic stainless steel, steel plate and manufacturing method thereof |
| 01/28/2009 | CN101353761A TRIP steel plate for high strength cold rolling hot dip galvanizing and preparation thereof |
| 01/28/2009 | CN101353760A High magnetic induction grain-oriented silicon steel and production method thereof |
| 01/28/2009 | CN101353759A Low crack sensitivity steel plate having 550Mpa grade of yield strength and manufacturing method thereof |
| 01/28/2009 | CN101353758A Hot rolling high strength steel plate for two-sided porcelain enamel and manufacturing method thereof |
| 01/28/2009 | CN101353757A Hot rolling high reaming steel plate having 440MPa grade of tensile strength and manufacturing method thereof |
| 01/28/2009 | CN101353756A Cold rolling high strength steel plate for porcelain enamel and manufacturing method thereof |
| 01/28/2009 | CN101353755A High tensile strength substrate, hot dip galvanizing automobile exterior panel and manufacturing method thereof |
| 01/28/2009 | CN101353754A Steel for internal magnetic shield and manufacturing method thereof |
| 01/28/2009 | CN101353720A Manufacturing method of metallic plate having superfine crystal continuous gradient tissue and metallic plate |
| 01/28/2009 | CN101352805A Method for producing stainless steel composite steel plate |
| 01/28/2009 | CN101352724A Method for producing boron-containing non-quenching and tempering plastic mold steel |
| 01/28/2009 | CN100455692C High-strength weathering steel and method of manufacturing same |
| 01/28/2009 | CN100455689C Niobium, vanadium composite micro-alloying low-carbon boron steel for cold heading and production method thereof |
| 01/27/2009 | US7481897 High toughness at low temperatures and yields plastically more than about 5% before fracturing at temperatures down to about -40 degrees C.; billet |
| 01/27/2009 | CA2493523C High strength steel sheet and method for manufacturing same |
| 01/22/2009 | WO2008142275A3 Microalloyed steel with good resistance to hydrogen for the cold-forming of machine parts having high properties |
| 01/22/2009 | US20090022636 High al-content steel sheet excellent in workability and method of production of same |
| 01/22/2009 | US20090022618 Damping Alloy Steel Sheet and Method for Producing the Same |
| 01/22/2009 | US20090020196 Cold Rolled Steel Sheet Having Aging Resistance and Superior Formability, and Process for Producing the Same |
| 01/22/2009 | US20090020190 Fire Resistant High Strength Rolled Steel Material and Method of Production of The Same |
| 01/22/2009 | DE102008029581A1 Verfahren und Vorrichtung zum Herstellen von Bändern aus Silizum-Stahl oder Mehrphasenstahl Method and device for manufacturing of strips of Silizum steel or multi-phase steel |
| 01/21/2009 | EP2017363A2 High strength cold-rolled steel sheet and method for manufacturing the same |
| 01/21/2009 | EP2017358A2 Steel wire material for spring and its producing method |
| 01/21/2009 | EP1557477B1 METHOD FOR PRODUCING OXIDATION-RESISTANT HIGH Cr FERRITIC HEAT RESISTANT STEEL |
| 01/21/2009 | CN101348885A 1000MPa grade cold rolling hot dip galvanizing two-phase steel and manufacturing method thereof |
| 01/21/2009 | CN101348884A 440MPa grade niobium-containing high-strength IF steel and manufacturing method thereof |
| 01/21/2009 | CN101348883A Niobium and titanium composite added ultra-low carbon baking hardening steel plate and manufacturing method thereof |
| 01/21/2009 | CN101348881A Low cost high performance X70 pipeline steel and production method thereof |
| 01/21/2009 | CN101348880A Production method of high-strength galvanizing plate for structure |
| 01/21/2009 | CN101348879A 100mm low alloy high strength ultra heavy plate and manufacturing method thereof |
| 01/21/2009 | CN101348855A Production method of common orientated electrical steel having higher magnetic strength |
| 01/21/2009 | CN101348854A Method for producing oriented electrical steel by low temperature heating |
| 01/21/2009 | CN101348853A Method for reducing iron loss of common orientated electrical steel |
| 01/21/2009 | CN101348852A Method for producing oriented electrical steel by low temperature slab heating |
| 01/21/2009 | CN101348851A Method for producing common oriented electrical steel by low temperature casting blank heating |
| 01/21/2009 | CN101347887A Method for producing upper gear tooth of steering arm shaft of automotive power steering gear |
| 01/21/2009 | CN100453684C Cold formable spring steel wire excellent in cold cutting capability and fatigue properties and manufacturing process thereof |
| 01/21/2009 | CN100453675C High strength cold rolled steel sheet and method for production thereof |
| 01/15/2009 | US20090014099 Rail manufacturing method |
| 01/14/2009 | EP2014378A1 Process for producing stainless-steel pipe |
| 01/14/2009 | EP2013372A1 Method for the production and removal of a temporary protective layer for a cathodic coating |
| 01/14/2009 | CN101346486A Two-phase stainless steel |
| 01/14/2009 | CN101346485A Steel part with surface layer of fine grain and process for producing the same |
| 01/14/2009 | CN101346479A Method for manufacturing high strength steel strips with superior formability and excellent coatability |
| 01/14/2009 | CN101343715A High-strength high-ductility X70 thick-wall seamless pipeline steel and manufacturing method |
| 01/14/2009 | CN101343714A 30CrMnSiB steel, weldless steel tube for cylinder and method of manufacturing the same |
| 01/14/2009 | CN101343713A High-strength atmospheric corrosion resistant hot-rolled strip steel and method of manufacturing the same |
| 01/14/2009 | CN101343683A Method for manufacturing low-iron loss high-magnetic strength non-oriented electrical steel |
| 01/14/2009 | CN101343682A Rolling heating process for stainless steel for soldering |
| 01/14/2009 | CN101343677A Process for manufacturing low-silicon low-carbon deep punching/drawing steel |
| 01/13/2009 | US7476358 Method and apparatus for boltless heat treatment of thin flanges |
| 01/13/2009 | US7475478 Method for manufacturing automotive structural members |
| 01/13/2009 | CA2287658C Electromagnetic steel sheet and process for producing the same |
| 01/08/2009 | WO2009004970A1 Process for production of high alloy steel pipe |
| 01/08/2009 | WO2009004909A1 Thick hot-rolled steel sheet having excellent processability and excellent strength/toughness after thermal treatment, and method for production of the steel sheet |
| 01/08/2009 | US20090010795 Cold-Working Steel |
| 01/08/2009 | US20090010793 Method For Producing High Strength Steel Strips or Sheets With Twip Properties, Method For Producing a Component and High-Strength Steel Strip or Sheet |
| 01/08/2009 | US20090007999 Method for manufacturing hot-formed steel product |
| 01/08/2009 | DE102007056186B3 Hot deforming press for deforming and hardening metal sheets comprises an upper tool and a lower tool with molding jaws and supporting jaws which can be displaced relative to each other |
| 01/08/2009 | CA2691730A1 High strength hot rolled thick steel sheet excellent in strength and toughness after heat treatment and method for manufacturing the same |
| 01/07/2009 | EP2011640A1 Clad textured metal substrate for forming epitaxial thin film thereon and method for manufacturing the same |
| 01/07/2009 | CN101341271A Rolled austenite stainless steel plate having thichkess of 100 mm or more and method for production thereof |
| 01/07/2009 | CN101341269A High-strength steel plate with superior crack arrestability |
| 01/07/2009 | CN101338402A Copper-containing ferrite antimicrobial stainless steel belt and method for manufacturing same |
| 01/07/2009 | CN101338401A High strength weathering steel and producing method thereof |
| 01/07/2009 | CN101338400A High strength low-temperature-used low carbon bainite steel and production process thereof |
| 01/07/2009 | CN101338399A Carbides-free bainite wear resistant steel plate and production process thereof |
| 01/07/2009 | CN101338398A High strength non-quenched and tempered free machining steel for automobile connecting bar and technological process thereof |
| 01/07/2009 | CN101338397A Ferrite/martensite two-phase steel with tensile strength higher than 1000MPa and method for preparing same |
| 01/07/2009 | CN100449026C Steel wire for spring |
| 01/02/2009 | DE102008009009B3 Procedure for heat treatment of a tube body of a feed pipe to transport highly abrasive solids, comprises heating and hardening the internal surface of a tube body while subjecting the external surface of the tube body with a coolant |
| 01/02/2009 | DE102007029472A1 Vehicle door comprises sheet metal parts produced in a pressing tool by hot deforming and/or in a pressing tool by heat treating with cooling from a starting temperature to a final temperature in a prescribed time period |
| 01/01/2009 | US20090000703 Ferritic stainless steel sheet superior in shapeability and method of production of the same |
| 12/31/2008 | WO2009000387A1 Process for hot rolling and for heat treatment of a steel strip |
| 12/31/2008 | WO2008129490A3 Process for the production of a grain oriented magnetic strip |
| 12/31/2008 | EP2009126A1 Bead wire having light weight and excellent drawability, method for production of the bead wire, and lightweight tire |
| 12/31/2008 | EP1951519A4 High strength dual phase steel with low yield ratio, high toughness and superior weldability |
| 12/31/2008 | EP1711639B1 Method for producing a three-dimensionally formed armouring component for vehicle bodies |
| 12/31/2008 | CN101336307A Hot-rolled bi-phase steel band material having characteristic of cold-rolled band |
| 12/31/2008 | CN101336305A Production method of steel band suitable for antioxidation surface coating |
| 12/31/2008 | CN101336304A Hot-rolled steel band suitable for electromagnetic lamination unit production |
| 12/31/2008 | CN101336303A Hot-rolled microalloy steel band for produced work piece obtained by cold compression and shearing |
| 12/31/2008 | CN101333633A Low carbon bainite type Nb-V composite microalloying non-quenched and tempered steel and method for preparing same |
| 12/31/2008 | CN101333629A Method for producing medium-high-carbon high-strength steel based on sheet bar technology |
| 12/31/2008 | CN101333628A Bridge structural steel plate and producing method thereof |
| 12/31/2008 | CN101333627A Stainless steel wire rod for standard parts and method for manufacturing same |
| 12/31/2008 | CN101333624A Anti-H2S stress corrosion high pressure resistant forgings and method for manufacturing same |
| 12/31/2008 | CN101333620A High grade non- oriented silicon steel and method for manufacturing same |
| 12/31/2008 | CN101333619A Technological process for controlling secondary recrystallization crystal particle dimension of oriented silicon steel |
| 12/31/2008 | CN100447280C Impact stage low carbon steel hot-rolled sheet and mfg. method thereof |
| 12/31/2008 | CN100447278C Thick steel plate capable of being welded under large heat input and method for manufacturing the same |