Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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11/20/2008 | US20080283154 Hot dip galvanized high strength steel sheet excellent in plating adhesion and hole expandability and method of production of same |
11/20/2008 | DE10023488B4 Verfahren zur Herstellung von geschweißten Stahlrohren hoher Festigkeit, Zähigkeits- und Verformungseigenschaften A process for the production of high strength welded steel tubes, toughness and deformation properties |
11/19/2008 | EP1992708A1 Process for producing grain-oriented magnetic steel sheet with excellent magnetic property |
11/19/2008 | CN101310034A Highly strong, non-oriented electrical steel sheet and method for manufacture thereof |
11/19/2008 | CN101310032A Bake-hardenable cold rolled steel sheet with superior strength, galvannealed steel sheet using the cold rolled steel sheet and method for manufacturing the cold rolled steel sheet |
11/19/2008 | CN101310031A Bake-hardenable cold rolled steel sheet with superior strength and aging resistance, gal-vannealed steel sheet using the cold rolled steel sheet and method for manufacturing the cold rolled steel shee |
11/19/2008 | CN101310029A Method and finishing train for hot-rolling starting material |
11/19/2008 | CN101307411A Nb-containing high-carbon and high-duty steel based on sheet bar process and method for manufacturing same |
11/19/2008 | CN101306501A Preparation method of high intensity Ti6Al4V diphase reinforced composite material |
11/19/2008 | CN101306434A Preparation method of low carbon low silicon no-aluminum half-technique non oriented electrical steel |
11/19/2008 | CN101306429A Preparation method of micron and sub-micron austenite crystal material |
11/19/2008 | CN100434564C Hot press forming method, and a plated steel material therefor and its manufacturing method |
11/19/2008 | CN100434563C Cold-formable chrome steel |
11/19/2008 | CN100434562C Chromium-containing high-strength pipeline steel hot-rolled plate |
11/19/2008 | CN100434557C Low-carbon high-strength hot rolling wire with compound reinforced ultrafine grains and its production process |
11/18/2008 | CA2330010C Steel sheets, hot-dipped steel sheets and alloyed hot-dipped steel sheets as well as method of producing the same |
11/13/2008 | WO2008136354A1 Austenitic stainless steel excellent in intergranular corrosion resistance and stress corrosion cracking resistance, and method for producing austenitic stainless steel |
11/13/2008 | WO2008135117A1 Production of superplastic uhc lightweight structural steels having aluminum content and the processing thereof by hot forming |
11/12/2008 | EP1990812A1 Amorphous transformer for electric power supply |
11/12/2008 | EP1990436A1 Wire with excellent suitability for drawing and process for producing the same |
11/12/2008 | EP1990431A1 Method of manufacturing annealed, very high-resistance, cold-laminated steel sheets, and sheets produced thereby |
11/12/2008 | EP1990430A1 High-strength hot rolled steel plate and manufacturing method thereof |
11/12/2008 | EP1791985B1 Nonoriented electrical steel sheet excellent in core loss |
11/12/2008 | CN101305110A High-tensile-strength steel sheet having reduced acoustical anisotropy, excellent weldability, yield stress of 450 MPa or larger and tensile strength of 570 MPa or larger and its production method |
11/12/2008 | CN100432261C Steel plate and welded steel tube exhibiting low yield ratio, high strength and high toughness and method for producing thereof |
11/12/2008 | CN100432244C Method for producing medium-carbon steel deformation induced ferrite |
11/12/2008 | CN100431724C Cold-rolling nicking reinforcing bar with rib high-strength and low relaxation, production and production line thereof |
11/06/2008 | WO2008133337A1 Process for producing unidirectionally grain oriented electromagnetic steel sheet |
11/06/2008 | WO2008133062A1 High-strength hot-dip galvanized steel sheet and method for producing the same |
11/06/2008 | WO2008132882A1 High-strength hot-rolled steel plate for line pipes excellent in low-temperature toughness and process for production of the same |
11/06/2008 | WO2008132303A1 Steel for tool-less hot forming or quenching with improved ductility |
11/06/2008 | WO2008021635A3 Metal gasket and method of making |
11/06/2008 | US20080274008 Corrosion-Resistant Steel Excellent in Toughness of Base Metal and Weld Portion, and Method of Manufacturing the Same |
11/06/2008 | US20080271824 Spring Steel Wire |
11/06/2008 | US20080271819 Electrical steel; controlling concentration of bismuth; annealing, cold rolling, hot rolling, heating, decarboxylation; process control |
11/06/2008 | CA2684031A1 High tensile-strength galvanized steel sheet and process for manufactutring high tensile-strength galvanized steel sheet |
11/06/2008 | CA2680623A1 Steel for tool-less hot forming or quenching with improved ductility |
11/06/2008 | CA2679623A1 High strength hot rolled steel products for line-pipes excellent in low temperature toughness and production method of the same |
11/05/2008 | CN101300369A Seamless steel pipe for line pipe and method for producing same |
11/05/2008 | CN100430511C Cold rolled strip steel for shadow mask and its making process |
11/05/2008 | CN100430493C Method for manufacturing high silicon grain-oriented electrical steel sheet with superior core loss property |
11/05/2008 | CN100430492C Method for producing general-oriented siliconsteel |
11/04/2008 | US7445750 Toughness; cutting tools and of metrological instruments |
10/30/2008 | WO2008129490A2 Process for the production of a grain oriented magnetic strip |
10/30/2008 | US20080264530 Quenching by cooling; self tempering; for automobile steel axle units such as constant-velocity universal joint and hub, and machine engine parts such as crankshaft |
10/29/2008 | EP1984527A2 Method of production of high-strength low-alloyed steel pipes |
10/29/2008 | EP1257414B9 Use of a dimensionally stable iron-chrome-aluminum film |
10/29/2008 | CN101297050A Production method and production system of directional electromagnetic steel plate having excellent magnetic characteristics |
10/29/2008 | CN101297049A Method for producing hot strip with a multiphase structure |
10/29/2008 | CN101294260A High-strength stainless cold-rolled steel strip and method for manufacturing same |
10/29/2008 | CN101294239A Reutilization method for annealing oven protective atmosphere |
10/28/2008 | US7442268 Method of manufacturing cold rolled dual-phase steel sheet |
10/28/2008 | US7442260 Superior in magnetic characteristics; extremely low core loss by scanning by a small focused laser beam spot; used as transformer core materials |
10/23/2008 | WO2008126945A1 Hot-dip metal coated high-strength steel sheet for press working excellent in low-temperature toughness and process for production thereof |
10/23/2008 | WO2008126944A1 Steel material having excellent high-temperature strength and toughness, and method for production thereof |
10/23/2008 | WO2008126911A1 Method of continuous annealing for steel strip with curie point and continuous annealing apparatus therefor |
10/23/2008 | WO2008126910A1 Steel material having excellent high temperature properties and excellent toughness, and method for production thereof |
10/23/2008 | US20080257456 Improved resistances to deformation, atmospheric corrosion and embrittlement; high strength, good anisotropy and welding capacity; automotive industry; casting a liquid steel into a strip, hot rolling wherein the copper is in a solid solution with the ferrite or austenite matrix; cooling, coiling |
10/23/2008 | US20080256772 Method and plant for manufacturing forks for lift trucks |
10/23/2008 | CA2683739A1 Hot dip plated high strength steel sheet for press forming use superior in low temperature toughness and method of production of the same |
10/22/2008 | EP1983069A1 Fire-resistant high-strength rolled steel material and method for production thereof |
10/22/2008 | EP1983065A1 Method for manufacturing bottle member for air bag inflator |
10/22/2008 | EP1982831A2 Clad textured metal substrate for forming epitaxial thin film thereon and method for manufacturing the same |
10/22/2008 | EP1982830A2 Clad textured metal substrate for forming epitaxial thin film thereon and method for manufacturing the same |
10/22/2008 | EP1527829B1 Cooling device,manufacturing method, and manufacturing line for hot rolled steel band |
10/22/2008 | CN101292055A Steel with great toughness for welding heat affected zone |
10/22/2008 | CN101289925A Heat insulated tubing machining process |
10/22/2008 | CN101289730A 13Cr steel for 110ksi high grade steel and high CO2-corrosion resistant tubing and casing, tubing and casing and method for making same |
10/22/2008 | CN101289729A Nickel-free metastable austenitic stainless steel with TRIP effect |
10/22/2008 | CN101289728A Low-yield ratio, high heat input welding, high-strength and high ductility steel plate and method of manufacture |
10/22/2008 | CN101289726A Biphase antibiotic stainless steel and method for making same |
10/22/2008 | CN100427615C Method for raising metal and alloy strength |
10/22/2008 | CN100427614C Steel sheet for containers, and manufacturing method therefor |
10/21/2008 | CA2436611C High strength hot rolled steel plates having excellent bore expandability and ductility and process for producing the same |
10/21/2008 | CA2373064C Process for producing welded steel pipes with a high degree of strength, ductility and deformability |
10/16/2008 | WO2008123483A1 Pearlite steel rail of high internal hardness type excellent in wear resistance and fatigue failure resistance and process for production of the same |
10/16/2008 | WO2008123397A1 Case-hardened steel pipe excellent in workability and process for production thereof |
10/16/2008 | WO2008123336A1 Ultra-thin cold-rolled steel sheet for building material and process for production of the same |
10/16/2008 | US20080251168 Exterior panels for automobile bodies; controlling carbon concentration as crystals; homogenizing heat treatment |
10/16/2008 | US20080251167 Exterior panels for automobile bodies ; homogenizing heat treatment |
10/16/2008 | CA2679556A1 Internal high hardness type pearlitic rail with excellent wear resistance and rolling contact fatigue resistance and method for producing same |
10/15/2008 | EP1979496A1 Strip of hot rolled micro-alloyed steel for obtaining finished pieces by cold pressing and shearing |
10/15/2008 | EP1301639B1 Method and apparatus for the direct production of scale-free thin metal strip |
10/15/2008 | CN101287853A Seamless steel pipe for line pipe and method for producing same |
10/15/2008 | CN101287852A Seamless steel pipe for line pipe and method for producing same |
10/15/2008 | CN100425726C Method for producing aluminum alloy composite material for heat exchanger and aluminum alloy composite material |
10/14/2008 | US7435307 Fe-Ni based permalloy and method of producing the same and cast slab |
10/14/2008 | US7435304 Coating composition, and method for manufacturing high silicon electrical steel sheet using thereof |
10/14/2008 | US7434437 Method of making a metallic thin wire for a medical tool |
10/09/2008 | DE102007022487B3 Manufacturing forged steel screws with excellent tensile strength and high ultimate extension, employs specified sequence of heat treatments and deformation |
10/08/2008 | EP1978121A1 HIGH-STRENGTH STEEL SHEET OF 450 MPa OR HIGHER YIELD STRESS AND 570 MPa OR HIGHER TENSILE STRENGTH HAVING LOW ACOUSTIC ANISOTROPY AND HIGH WELDABILITY AND PROCESS FOR PRODUCING THE SAME |
10/08/2008 | EP1978113A1 High-strength galvannealed sheet steels excellent in powdering resistance and process for production of the same |
10/08/2008 | EP1584701B1 Steel product for induction hardening, induction-hardened member using the same, and methods for producing them |
10/08/2008 | CN101283108A The precipitation hardening cold rolled steel sheet having excellent yield ratios, and the method for manufacturing the same |
10/08/2008 | CN101280391A High-strength tough hydraulic prop seamless steel pipe |
10/08/2008 | CN101280352A High-safe high-precision producing method of thermoforming martensitic steel parts |
10/08/2008 | CN100424193C GH696 alloy vane ausform forming process |
10/07/2008 | US7431781 Method for forming a common-rail injection system for diesel engine |
10/07/2008 | CA2429439C High-strength steel excellent in low temperature toughness and toughness at weld heat-affected zone, method for producing the same, and method for producing high-strength steel pipe |
10/02/2008 | WO2008117721A1 Process for producing bend pipe for line pipe and bend pipe for line pipe |