| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 09/03/2009 | WO2009107639A1 Cooling system and cooling method of rolling steel |
| 09/03/2009 | US20090222075 Method for Producing Strain Induced Austenite |
| 09/03/2009 | US20090218015 Damping Alloy Steel Sheet and Method for Producing Same |
| 09/03/2009 | US20090218014 Method for Producing Duplex Stainless Steel Seamless Pipe |
| 09/03/2009 | CA2715320A1 Cooling system and cooling method of rolling steel |
| 09/02/2009 | EP2096185A1 Unidirectionally grain oriented electromagnetic steel sheet having excellent film adhesion, and method for manufacturing the same |
| 09/02/2009 | EP2096184A1 Steel wire for spring excellent in fatigue property and drawing property |
| 09/02/2009 | EP2094876A1 Process for producing a steel strip comprising a relatively high strength dual phase steel |
| 09/02/2009 | CN101519752A High strength and toughness pipeline steel roll in low-carbon and high-niobium-chromium system and preparation method thereof |
| 09/02/2009 | CN101518803A Pure bending age forming die |
| 09/02/2009 | CN100535135C Method for refining normal carbon-structural crystal grain |
| 09/02/2009 | CN100535134C Copper-containing steel heating method and copper-containing steel produced by the same |
| 08/27/2009 | WO2009104805A1 Steel products and process for production thereof |
| 08/27/2009 | WO2009104521A1 Low core loss unidirectional electromagnetic steel plate and method of manufacturing the same |
| 08/27/2009 | US20090214892 High strength steel sheet having superior ductility and method for manufacturing the same |
| 08/27/2009 | US20090214377 Method for Producing Hot Rolled Strip with a Multiphase Microstructure |
| 08/27/2009 | US20090211670 Cooling apparatus for a hot rolled steel strip and methods for cooling a hot rolled steel strip |
| 08/27/2009 | US20090211669 Method for producing quenched components consisting of sheet steel |
| 08/27/2009 | DE102008010168A1 Panzerung für ein Fahrzeug Armor for a vehicle |
| 08/26/2009 | EP2093304A1 Armour for a vehicle |
| 08/26/2009 | EP2093302A1 Weld steel pipe with excellent low-temperature toughness for high-strength line pipe and process for producing the same |
| 08/26/2009 | EP1570097B1 Use of a iron-nickel-cobalt alloy |
| 08/26/2009 | EP1541704B1 Process for producing aluminum material for electrolytic capacitor electrode |
| 08/26/2009 | CN101517099A High strength high carbon steel wire and method for manufacture thereof |
| 08/26/2009 | CN101516537A Process for manufacturing grain-oriented silicon steel sheet of high magnetic flux density |
| 08/26/2009 | CN101514427A High strenght steel sheet having superior ductility and method for manufacturing the same |
| 08/26/2009 | CN101514391A Production method of high-carbon steel wire capable of improving draw ductility |
| 08/26/2009 | CN101514390A Method for producing high-strength finishing rolling threaded steel bar by online hardening and tempering technology |
| 08/26/2009 | CN101514389A Manufacturing method of 600MPa grade high-plasticity submicron crystal grain ferrite low carbon steel plate |
| 08/26/2009 | CN101514388A Thermo-mechanical treatment process used for high-carbon steel |
| 08/26/2009 | CN100532617C Martensitic stainless steel seamless pipe and a manufacturing method thereof |
| 08/26/2009 | CN100532612C Thin steel sheet excelling in surface property, moldability and workability and process for producing the same |
| 08/20/2009 | WO2009102848A1 Methods of thermo-mechanically processing tool steel and tools made from thermo-mechanically processed tool steels |
| 08/20/2009 | WO2009101129A2 Method for producing a grain-oriented magnetic strip |
| 08/20/2009 | WO2009100702A1 Method and device for the heat treatment of a tubular body for a delivery pipe and a method for the production of a delivery pipe |
| 08/20/2009 | WO2009062196A3 Amorphous alloy materials |
| 08/20/2009 | US20090205756 Hot-rolled thin steel sheet with excellent formability and excellent strength and toughness after heat treatment, and method for manufacturing the same |
| 08/19/2009 | EP2090671A1 High-strength wire rod excelling in wire drawability and process for producing the same |
| 08/19/2009 | EP2090383A1 Methods of thermo-mechanically processing tool steel and tools made from thermo-mechanically processed tools steels |
| 08/19/2009 | EP2089556A2 Low yield ratio dual phase steel linepipe with superior strain aging resistance |
| 08/19/2009 | EP2089552A1 Method for the continuous production of steel wire or bar |
| 08/19/2009 | EP1909994A4 Production of thin steel strip |
| 08/19/2009 | CN101512033A Fire-resistant steel excellent in high-temperature strength, toughness and reheat embrittlement resistance and process for production of the same |
| 08/19/2009 | CN101509102A Steel for hot-rolled low carbon punching and producing method thereof |
| 08/19/2009 | CN101509098A Hot galvanizing baking chilled steel with yield strength 180Mpa and producing method thereof |
| 08/19/2009 | CN101509058A High-chromium ferrite heat-resistant steel fine-deformation martensite lath microstructure refinement method |
| 08/19/2009 | CN100529142C Hot-rolled steel sheet for automobile and producing method thereof |
| 08/19/2009 | CN100529139C High tensile and fire-resistant steel excellent in weldability and gas cutting property and method for production thereof |
| 08/19/2009 | CN100529116C Alloyed-molten-zinc-plated steel sheet with excellent processability and high strength and process for producing the same |
| 08/19/2009 | CN100529115C Non-oriented electrical steel sheets with excellent magnetic properties and method for manufacturing the same |
| 08/18/2009 | CA2442299C Steel and steel tube for high-temperature use |
| 08/18/2009 | CA2422352C Cold-rolled steel sheet having ultrafine grain structure and method for manufacturing the same |
| 08/15/2009 | CA2654368A1 Methods of thermo-mechanically processing tool steel and tools made from thermo-mechanically processed tool steels |
| 08/13/2009 | WO2009099010A1 Ferrite-austenite stainless steel sheet excellent in ridging resistance and workability and process for manufacturing the same |
| 08/13/2009 | US20090202384 High tensile strength hot-rolled steel sheet having superior strain aging hardenability and method for producing the same |
| 08/13/2009 | US20090202383 Non-Oriented Electrical Steel Sheet and Production Process Thereof |
| 08/13/2009 | US20090202382 High manganese steel strips with excellent coatability and superior surface property, coated steel strips using steel strips and method for manufacturing the steel strips |
| 08/13/2009 | US20090199935 Method of production of high flux density grain-oriented silicon steel sheet |
| 08/12/2009 | EP2088218A1 High young's modulus steel plate and process for production thereof |
| 08/12/2009 | EP1570924B1 Method of working metal |
| 08/12/2009 | CN101506402A Process for manufacturing iron-carbon-manganese austenitic steel sheet with excellent resistance to delayed cracking, and sheet thus produced |
| 08/12/2009 | CN101506393A Austenite-base stainless steel pipe, for boiler, having excellent high-temperature steam oxidation resistance |
| 08/12/2009 | CN101506392A Seamless precision steel tubes with improved isotropic toughness at low temperature for hydraulic cylinders and process for obtaining the same |
| 08/12/2009 | CN101503782A High strength anti-atmosphere corrosion steel and production method thereof |
| 08/12/2009 | CN101503779A Hot rolling low carbon mild steel and production method thereof |
| 08/11/2009 | US7572407 Having superior corrosion resistance, toughness at weld zones and workability; for use in structural components of railway vehicles, automotives, buses |
| 08/06/2009 | WO2009097426A2 Steel sheet heat treatment/stamp system and method |
| 08/06/2009 | CA2714011A1 Steel sheet heat treatment/stamp system and method |
| 08/05/2009 | EP1817436A4 Method and apparatus for micro-treating iron-based alloy, and the material resulting therefrom |
| 08/05/2009 | EP1326725B1 Production of thin steel strip |
| 08/05/2009 | CN101501932A Antenna core and antenna |
| 08/05/2009 | CN101501234A Duplex stainless steel |
| 08/05/2009 | CN101497972A High strength low yield ratio welding structure steel and production method thereof |
| 08/05/2009 | CN101497971A High-strength hardened and tempered steel and production method thereof |
| 08/05/2009 | CN101497969A High-performance weather-resisting anti-seismic steel for building and production method thereof |
| 08/05/2009 | CN101497965A Steel for cutting edge of shovel of loader and digger and production method thereof |
| 08/05/2009 | CN101497961A Low-temperature flexibility 1.5Ni steel and method of manufacturing the same |
| 08/05/2009 | CN101497959A Cold rolling baking hardened steel with yield strength 220MPa and production method thereof |
| 08/05/2009 | CN100523263C Iron-base shape memory alloy locked key and its manufacturing and using method |
| 08/05/2009 | CN100523261C Iron-nickel-cobalt alloy, method for the production and use thereof |
| 08/05/2009 | CN100523260C Fatigue cracking resistant expansibility excellent steel plate |
| 08/05/2009 | CN100523259C High tensile steel product excellent in delayed fracture resistance and method for production thereof |
| 08/05/2009 | CN100523257C Grain-oriented electromagnetic steel sheet and process for producing the same |
| 08/05/2009 | CN100523256C Oil well seamless steel pipe excellent in resistance to sulfide stress cracking and method for production thereof |
| 08/05/2009 | CN100523255C Soldering steel plate in high intensity in use for ocean by large line energy, and manufacturing method |
| 08/05/2009 | CN100523254C Soldering not quenching and tempering steel plate in high intensity by large line energy, and manufacturing method |
| 08/05/2009 | CN100523253C Soldering low alloy steel plate in high intensity by large line energy, and manufacturing method |
| 08/05/2009 | CN100523252C Soldering boat deck steel in high intensity by large line energy, and manufacturing method |
| 08/04/2009 | CA2525062C Steel pipe for an airbag system and a method for its manufacture |
| 08/04/2009 | CA2458270C Method for processing a continuously cast metal slab or strip, and plate or strip produced in this way |
| 07/30/2009 | WO2009093827A2 Manufacturing method of doubly oriented electrical steel sheets and doubly oriented electrical steel sheets which are manufactured using the same |
| 07/30/2009 | US20090188591 Process for the heat treatment of steel products |
| 07/29/2009 | EP2083091A1 Unidirectional magnetic steel sheet excellent in iron loss characteristic |
| 07/29/2009 | EP2006086A9 Soft magnetic metal strip laminate and process for production thereof |
| 07/29/2009 | CN101492765A Apparatus and method for refining magnetic domain of electrical steel sheet |
| 07/29/2009 | CN100519778C Medium cooling and following rolling model supporting method in niobium-containing thick steel plate rolling process |
| 07/29/2009 | CN100519777C Method for fabricating austenitic steel and compressor casing produced therefrom |
| 07/23/2009 | WO2009091217A1 Method for producing non-oriented electrical steel sheet |
| 07/23/2009 | WO2009091216A2 Production method for non-oriented electrical steel sheet, and non-oriented electrical steel sheet produced thereby |
| 07/23/2009 | WO2009091213A1 Formation method for rotated cube texture, and electrical steel sheet produced using the same |