| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 09/05/2007 | EP1339889B1 STEEL PLATE TO BE PRECIPITATING TiN+CuS FOR WELDED STRUCTURES, METHOD FOR MANUFACTURING THE SAME, WELDING FABRIC USING THE SAME |
| 09/05/2007 | CN101031667A Grain-oriented electrical steel sheet, and manufacturing method therefor |
| 09/05/2007 | CN101031663A Method for producing martensitic stainless steel pipe |
| 09/05/2007 | CN101029378A On-line thermal-insulating quenching apparatus and process |
| 09/05/2007 | CN101029351A Method for producing medium-carbon steel deformation induced ferrite |
| 09/05/2007 | CN100335670C High strength steel plate and method for production thereof |
| 09/04/2007 | CA2344423C Method for producing hot-rolled strip and plates |
| 08/30/2007 | US20070199631 Method for producing a hot strip from a steel which has a high manganese content |
| 08/30/2007 | US20070199630 High in impact value and free from variations in tool performance;reducing the variations in precipitated carbide composition contained in the tool steel; quenching or hardening and then tempering process, through which the hardness of the tool product is controlled |
| 08/29/2007 | EP1826287A2 High strength steel sheet having excellent formability |
| 08/29/2007 | EP1825008A1 Treatment process for bars |
| 08/29/2007 | CN101024322A Copper-base alloy composite material and its preparing method |
| 08/29/2007 | CN101024321A Copper-base alloy composite material and its preparing method |
| 08/29/2007 | CN100334248C Colding rolling weather resistant depth impacting plate for vehicle and mfg. method thereof |
| 08/29/2007 | CN100334235C Method for the production of a siderurgical product made of carbon steel with a high copper content, and siderurgical product obtained according to said method |
| 08/28/2007 | CA2416950C Inert material with increased hardness for thermally stressed parts |
| 08/23/2007 | US20070193665 Steel plate excellent in machineability and in toughness and weldability and method of production of the same |
| 08/22/2007 | EP1820869A1 Steel and steel wire for high strength spring |
| 08/22/2007 | EP1819461A2 Method of producing austentic iron/carbon/manganese steel sheets having very high strength and elongation characteristics and excellent homogeneity |
| 08/22/2007 | CN1332774C Blank for gunbarrel, method for producing said gunbarrel and gunbarrel |
| 08/22/2007 | CN101023195A Nonoriented electrical steel sheet excellent in core loss |
| 08/22/2007 | CN101020986A N80 level petroleum pipe produced with micro alloyed medium carbon steel and its production process |
| 08/22/2007 | CN101020951A Controlled cooling process and water cooler for high carbon and chromium bearing steel pipe blank after hot rolling |
| 08/22/2007 | CN101020949A Process of making ring fine crystal blank of GH4169 alloy for near constant temperature forging |
| 08/22/2007 | CN101020948A Two-stroke memory effect training machine for shape memory alloy |
| 08/21/2007 | US7258756 Very thin, high carbon steel wire and method of producing same |
| 08/21/2007 | US7257977 Thermo-electromechanical process and system for coiling and uncoiling an in-line hot rolled pre-strip from thin slab continuous casting |
| 08/21/2007 | CA2214012C Method for making steel wires and shaped wires, and use thereof in flexible ducts |
| 08/16/2007 | WO2007091725A1 Fire-resistant high-strength rolled steel material and method for production thereof |
| 08/16/2007 | WO2007091585A1 Method for manufacturing bottle member for air bag inflator |
| 08/16/2007 | US20070190353 Hot dip galvanized composite high strength steel sheet excellent in shapeability and hole enlargement ability and method of production of same |
| 08/16/2007 | US20070187002 Piston ring having improved scuffing, cracking and fatigue resistances, and its production method, as well as combination of piston ring and cylinder block |
| 08/15/2007 | EP1818420A1 Grain-oriented electromagnetic steel sheet and process for producing the same |
| 08/15/2007 | EP1817436A1 Method and apparatus for micro-treating iron-based alloy, and the material resulting therefrom |
| 08/15/2007 | EP1309734B1 Highly stable, steel and steel strips or steel sheets cold-formed, method for the production of steel strips and uses of said steel |
| 08/15/2007 | CN1332043C Method of producing ultra-fine grain structure for unalloyed or low-alloyed steel |
| 08/15/2007 | CN101016600A C-Mn-Ti-Nb series hot-rolled high strength high magnetic induction performance steel and manufacturing method thereof |
| 08/15/2007 | CN101016599A Low carbon equivalent micro-alloy steel pipe and on-line normalizing process thereof |
| 08/14/2007 | US7255758 Heat resistance and fatigue strength, and can be produced through a drawing without applying a quenching and tempering process |
| 08/14/2007 | CA2396207C Corrosion resistant material |
| 08/09/2007 | US20070181233 Method for the manufacture of extended steel products |
| 08/09/2007 | US20070181232 Cold rolled steel sheet and hot dipped steel sheet with superior strength and bake hardenability and method for manufacturing the steel sheets |
| 08/09/2007 | US20070181231 Method for producing high-carbon steel rails excellent in wear resistance and ductility |
| 08/09/2007 | US20070181223 High-strength thick steel plate excellent in low temperature toughness at heat affected zone resulting from large heat input welding |
| 08/08/2007 | EP1816227A1 Steel pipe for air bag inflator and method for production thereof |
| 08/08/2007 | EP1816225A1 Steel pipe having excellent electromagnetic properties and process for producing the same |
| 08/08/2007 | CN1330930C Flexible measurement method for grain sizes of steel plate internal structure during rolling process |
| 08/08/2007 | CN1330789C 600MPa grade low temperature high toughness weather corrosion resistant steel and its production method |
| 08/08/2007 | CN1330786C Strength of extension 780 MPa grade complex phase steel plate and mfg. method thereof |
| 08/08/2007 | CN1330785C Strength of extension 1000 MPa grade complex phase steel plate and mfg. method thereof |
| 08/08/2007 | CN1330782C Method for preparing micro-grain aluminium bronze alloy |
| 08/08/2007 | CN101012527A Oriented electrical grade sheet containing trace amount depressor and method for manufacturing same |
| 08/08/2007 | CN101012494A Method for preparing superfine multiple-phase structure high-carbon steel |
| 08/07/2007 | US7252724 High tensile hot-rolled steel sheet having excellent strain aging hardening properties and method for producing the same |
| 08/07/2007 | US7252722 Steel sheet |
| 08/02/2007 | WO2007086215A1 Constant velocity universal joint having excellent rolling fatigue property, power transmission shaft having excellent torsional fatigue property, and processes for producing them |
| 08/02/2007 | WO2007086088A1 Hot rolled dual phase steel strip having features of a cold rolled strip |
| 08/02/2007 | WO2007086087A1 Hot steel strip particularly suited for the production of electromagnetic lamination packs |
| 08/02/2007 | WO2007086086A1 Strip of hot rolled micro-alloyed steel for obtaining finished pieces by cold pressing and shearing |
| 08/02/2007 | WO2007086085A1 Process of producing steel strips suitable for an oxidation-resisting surface coating |
| 08/02/2007 | US20070175548 Method and installation for the production of hot-rolled strip having a dual-phase structure |
| 08/02/2007 | CA2636652A1 Hot rolled dual phase steel strip having features of a cold rolled strip |
| 08/02/2007 | CA2636651A1 Hot steel strip particularly suited for the production of electromagnetic lamination packs |
| 08/02/2007 | CA2636559A1 Strip of hot rolled micro-alloyed steel for obtaining finished pieces by cold pressing and shearing |
| 08/02/2007 | CA2636546A1 Process of producing steel strips suitable for an oxidation-resisting surface coating |
| 08/01/2007 | EP1813687A1 Method for producing martensitic stainless steel pipe |
| 08/01/2007 | EP1812609A1 Method and device for shaping wire-shaped and rod-shaped starting materials close to the gauge block, and correspondingly produced flat profiled element |
| 08/01/2007 | EP1563109B1 Weldable structural steel component and method for making same |
| 08/01/2007 | CN1329548C Soft magnetic structural-steel-plate with excellent toughness under low temperature and method for making same |
| 08/01/2007 | CN1329543C Method for producing oxidation-resistant high Cr ferritic heat resistant steel |
| 08/01/2007 | CN1329534C Mfg. process for making engine components of high carbon content steel using cold forming techniques |
| 08/01/2007 | CN1329533C Method for producing a metal strip from an iron-nickel alloy for tensioned shadow masks |
| 08/01/2007 | CN101008043A Process for producing ferritic stainless steel |
| 07/26/2007 | WO2007082786A1 Galvanized rolling-hardened cold-rolled flat product and process for producing it |
| 07/26/2007 | US20070169856 Method for making a hybrid casting and forging stainless steel product |
| 07/26/2007 | CA2634527A1 Galvanized rolling-hardened cold-rolled flat product and process for producing it |
| 07/25/2007 | EP1811054A1 Pipe for petroleum and gas product pipelines and method for the production thereof |
| 07/25/2007 | EP1811053A1 Grain oriented electromagnetic steel plate and method for producing the same |
| 07/25/2007 | EP1809780A2 Iron-nickel alloy strip for the manufacture of support grids for integrated circuits |
| 07/25/2007 | EP1735473B1 Plants for annealing metal straps |
| 07/25/2007 | EP1563110B1 Weldable structural steel component and method for making same |
| 07/25/2007 | EP1466024B1 Method for the production of a siderurgical product made of carbon steel with a high copper content, and siderurgical product obtained according to said method |
| 07/25/2007 | EP1204772B1 Method for producing welded steel pipes with a high degree of strength, ductility and deformability |
| 07/25/2007 | CN2926254Y Explosion protector for electrical steel horizontal annealing furnace |
| 07/25/2007 | CN1328395C Method for producing ageing steel of martensite without cobalt in high tensile and high toughness |
| 07/25/2007 | CN101006192A High tensile strength steel material having excellent weldability and toughness and >=550 mpa class tensile strength, and manufacturing method therefor |
| 07/25/2007 | CN101006189A Method of manufacturing a hardened forged steel component |
| 07/25/2007 | CN101003879A Hot rolled steel in C-Mn-Ti series with high intensity magnetic induction performance |
| 07/19/2007 | WO2007079876A1 Method and device adjusting targeted combinations of properties of polyphase steel |
| 07/19/2007 | WO2007079625A1 An ultrafine grain steel sheet produced by continuous casting and rolling a medium-thin slab and its manufacture process |
| 07/19/2007 | WO2007054063A3 Method and device for the continuous creation of a bainite structure in a carbon steel, especially a strip steel |
| 07/19/2007 | US20070163685 Hot pressing method for high strength member using steel sheet and hot pressed parts |
| 07/19/2007 | US20070163683 Method for producing a component by reshaping a plate, and device for carrying out said method |
| 07/19/2007 | US20070163680 Steel for spring being excellent in resistance to setting and fatigue characteristics |
| 07/19/2007 | CA2636287A1 Method and device adjusting targeted combinations of properties of polyphase steel |
| 07/18/2007 | EP1808505A1 High strength thin steel plate excellent in elongation and bore expanding characteristics and method for production thereof |
| 07/18/2007 | EP1807543A1 Process for the manufacture of a containment device and a containment device manufactured thereby |
| 07/18/2007 | EP1807542A1 High-strength steel strip or sheet exhibiting twip properties and method for producing said strip by direct strip casting " |
| 07/18/2007 | EP1382717B1 Unidirectional silicon steel sheet excellent in adhesion of insulating coating film imparting tensile force |
| 07/18/2007 | EP1347072B1 Steel wire rod for hard drawn spring, drawn wire rod for hard drawn spring and hard drawn spring, and method for producing hard drawn spring |