| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 03/28/2006 | US7018488 Steel pipe for use in reinforcement of automobile and method for production thereof |
| 03/28/2006 | CA2273334C High strength steels having high impact energy absorption properties and a method for producing the same |
| 03/23/2006 | US20060060271 Cooling device, manufacturing method, and manufacturing line for hot rolled steel band |
| 03/23/2006 | US20060060269 Process for producing high-strength spring |
| 03/23/2006 | DE102005026844A1 Method for influencing the apparent yielding point characteristic of workpiece comprises heat treating the workpiece after plasticization by heating to an after-treatment temperature |
| 03/22/2006 | EP1637619A1 Tube d'acier pour systeme de coussin de securite gonflable et procede de production associe |
| 03/22/2006 | EP1637243A2 Method for manufacturing of stainless steel strips and rolling mill line |
| 03/22/2006 | EP1636392A1 High-strength hot-rolled steel sheet excellent in shape fixability and method of producing the same |
| 03/22/2006 | EP1469954B1 Method and installation for producing a hot rolled strip from austenitic rust-resistant steels |
| 03/21/2006 | US7015781 Production method of magnetic circuit member, magnetic circuit member, and electromagnetic apparatus |
| 03/21/2006 | US7014722 Titanium material superior in upset-forgeability and method of producing the same |
| 03/21/2006 | US7014720 Austenitic stainless steel tube excellent in steam oxidation resistance and a manufacturing method thereof |
| 03/21/2006 | US7014719 Austenitic stainless steel excellent in fine blankability |
| 03/16/2006 | WO2006026982A1 Killed, unalloyed or microalloyed rolled steel of the bake hardening type and method for producing the same |
| 03/16/2006 | US20060054255 manufacturing steel mainly composed of fine ferrite particle texture with average ferrite grain size of 3 mu m or less, in which, in the rolling process of one pass or more wherein the rolling temperature range is a temperature region of 350 degrees C. to 800 degrees |
| 03/16/2006 | US20060054253 Ferritic heat-resistant steel and method for producing it |
| 03/15/2006 | EP1633895A1 Coil winding method for metal in bars |
| 03/15/2006 | EP1633894A2 Method and installation for the production of hot-rolled strip having a dual-phase structure |
| 03/15/2006 | CN1748040A Controlled warm-rolling method |
| 03/15/2006 | CN1748039A Production of cold rolled steel strip with a dual phase ferrite-martensite structure and strips thereby |
| 03/14/2006 | US7011139 Method of continuous casting non-oriented electrical steel strip |
| 03/09/2006 | US20060048864 Hot milled wire rod excelling in wire drawability and enabling avoiding heat treatment before wire drawing |
| 03/08/2006 | EP1632582A1 Tole d'acier magmetique non orientee excellente du point de vue des pertes de fer, et son procede de production |
| 03/08/2006 | EP1631691A2 Method and installation for the production of steel products having an optimum surface quality |
| 03/08/2006 | EP1160346B1 High strength galvanized steel plate excellent in adhesion of plated metal and formability in press working and high strength alloy galvanized steel plate and method for production thereof |
| 03/08/2006 | EP1159091B1 Method for manufacturing of strips and rolling mill line |
| 03/08/2006 | CN1745189A Weldable steel building component and method for making same |
| 03/08/2006 | CN1745188A Steel pipe for bearing elements, and methods for producing and cutting the same |
| 03/08/2006 | CN1743491A Manufacture method for obtaining superfine crystal grain steel |
| 03/08/2006 | CN1743490A High-strength invar alloy and its alloy wire rod production method |
| 03/08/2006 | CN1244707C Deep overcooling hot-rolling technology applicable to carbon-manganese steel and micro-alloy steel |
| 03/07/2006 | US7008488 High-strength steel sheet having excellent workability and production process therefor |
| 03/02/2006 | WO2006022186A1 Seat frame, seat structure, and method of manufacturing seat frame |
| 03/01/2006 | EP1629127A1 Fe-ni alloy metal wire having a high mechanical strength and a low thermal expansion co-efficient, which is intended for high voltage cables, and production method thereof |
| 03/01/2006 | CN1742107A Iron-nickel alloy with low coefficient of thermal expansion for making shade masks |
| 03/01/2006 | CN1742103A Method of producing ultra-high-strength cold- and hot-rolled steel sheets and plate thus obtained |
| 03/01/2006 | CN1243844C Multi-phase steel sheet excellent in hole expandability and method of producing the same |
| 03/01/2006 | CN1243639C Method for producing dimensionally stable iron-chrome-aluminum film and application thereof |
| 02/28/2006 | US7005017 Heat treatment of billets such that solid fraction have globular structure, then thixoforging and cooling to form nondeforming tools having tensile strength |
| 02/28/2006 | US7005016 Hot rolled steel having improved formability |
| 02/23/2006 | US20060037677 High strength cold rolled steel sheet and method for manufacturing the same |
| 02/23/2006 | DE10043880B4 Stossfänger Bumpers |
| 02/22/2006 | EP1627928A1 Controlled warm-rolling method |
| 02/22/2006 | EP1627092A1 High-resistant sheet metal which is cold rolled and aluminized in dual phase steel for an anti-implosion belt for a television and method for the manufacture thereof |
| 02/22/2006 | EP1627086A1 Improved method for production of non-oriented electrical steel strip |
| 02/21/2006 | CA2376988C Metal gasket and method of manufacture |
| 02/15/2006 | EP1626097A1 Steelmaking process |
| 02/15/2006 | EP1335034B1 Low-carbon steel sheet for mask of tension type cathode ray tube with bridge and mask and cathode ray tube |
| 02/15/2006 | CN1735700A Ultrahigh strength hot-rolled steel and method of producing bands |
| 02/15/2006 | CN1734061A Method of repairing a stator vane of gas turbine without removing all the cracks ; repaired gas turbine |
| 02/15/2006 | CN1242086C Manufacturing technique of hot rolling high intensity steel plate in use for cars based on compact type band steel production process flow |
| 02/15/2006 | CN1242077C Process for production of grain oriented electrical steel strips |
| 02/08/2006 | CN1732275A Method for producing a steel product |
| 02/08/2006 | CN1732056A Method for increasing a fatigue strength of a metallic component, which is provided with at least one cavity, while subjecting it to a cyclic inner pressure load |
| 02/08/2006 | CN1241229C Fe-Ni-Co series shadow mask material |
| 02/07/2006 | US6994758 Steel for mechanical construction, method of hot-shaping of a part from this steel, and part thus obtained |
| 02/02/2006 | WO2006011257A1 High tensile steel sheet of low acoustical anisotropy excelling in weldability, and process for producing the same |
| 02/02/2006 | DE102004063161B4 Kaltverformbarer Chromstahl Kaltverformbarer chrome steel |
| 02/02/2006 | DE102004038626B3 Verfahren zum Herstellen von gehärteten Bauteilen aus Stahlblech A method for producing hardened components from steel sheet |
| 02/02/2006 | DE102004034656A1 One-piece semifinished sheet obtained by mechanical working having defined zones of different strength useful in metal strip production, e.g. production of tailored strips of improved planarity |
| 02/02/2006 | DE102004034077A1 Structure alteration in metals, especially production of bainite structure in steels by heat treatment useful in heat treatment of steels, with woerkpiece rotation during cooling |
| 02/01/2006 | CN1729308A Method for making structural elements by machining thick plates |
| 02/01/2006 | CN1729307A A steel composition for the production of cold rolled multiphase steel products |
| 02/01/2006 | CN1727502A Method for forging Crl2MoV steel |
| 01/31/2006 | CA2353407C Method of making an as-rolled multi-purpose weathering steel plate and product therefrom |
| 01/26/2006 | WO2006009299A1 Steel for welded structure excellent in low temperature toughness of heat affected zone of welded part, and method for production thereof |
| 01/26/2006 | WO2006009091A1 490 MPa GRADE HIGH TENSILE STEEL FOR WELDED STRUCTURE EXHIBITING EXCELLENT HIGH TEMPERATURE STRENGTH AND METHOD FOR PRODUCTION THEREOF |
| 01/26/2006 | US20060016526 High-strength steel for welded structures excellent in high temperature strength and method of production of the same |
| 01/25/2006 | EP1379341B1 Method of manufacturing a closed profile |
| 01/25/2006 | EP1099773B1 Ferritic stainless steel plate |
| 01/25/2006 | EP1096029B1 High tensile hot-dip zinc-coated steel plate excellent in ductility and method for production thereof |
| 01/25/2006 | CN1726296A Iron-nickel-cobalt alloy, method for the production and use thereof |
| 01/25/2006 | CN1238548C Production method of yield strength 460 MPa grade low alloy high strength structure steel plate |
| 01/24/2006 | US6989510 Bare wire with feedability, reduced amount of general spatter when welded at relatively low current area through control of Ten Point Average Roughness and Vicker Micro Hardness; no copper dust |
| 01/19/2006 | US20060013720 Steel superior in machinability and method of production of same |
| 01/19/2006 | US20060011274 Method for producing steel with retained austenite |
| 01/18/2006 | EP1616971A1 High strength cold rolled steel sheet and method for production thereof |
| 01/18/2006 | EP1616970A1 High strength hot-rolled steel plate |
| 01/18/2006 | EP1227167B1 Hot dip zinc plated steel sheet and method for producing the same |
| 01/18/2006 | CN1723092A Method for rationally producing U-shaped heat exchange tubes |
| 01/18/2006 | CN1721619A Method for manufacturing rustproof coated steel strand |
| 01/18/2006 | CN1237196C Method for strengthening metal material tissue and metal blank |
| 01/18/2006 | CN1237189C High tensile hot-rolled steel sheet excellent in resistance to scuff on mold and in fatigue characteristics and its mfg. method |
| 01/18/2006 | CN1237126C Electric steel plate capable of relieving stress annealing and having high performance of solvent-resisting |
| 01/17/2006 | CA2174605C Method of working a hot-rolled strip |
| 01/12/2006 | WO2006004228A1 Method for producing high tensile steel sheet |
| 01/12/2006 | WO2005100618A3 Forged or stamped average or small size mechanical part |
| 01/12/2006 | CA2572156A1 Fe-ni alloy pipe stock and method for manufacturing the same |
| 01/11/2006 | EP1614761A1 Steel material with excellent rolling fatigue life and method of producing the same |
| 01/11/2006 | EP1613783A2 Method for the thermomechanical treatment of steel |
| 01/11/2006 | EP1613449A2 Method for producing helical springs or stabilisers |
| 01/11/2006 | EP1518001A4 Super formable high strength steel sheet and method of manufacturing thereof |
| 01/11/2006 | EP1356127B9 Process for the production of grain oriented electrical steel strips |
| 01/11/2006 | CN1720344A Non-oriented magnetic steel sheet and method for production thereof |
| 01/11/2006 | CN1718832A 600MPa grade low temperature high toughness weather corrosion resistant steel and its production method |
| 01/11/2006 | CN1718770A Post rolling fast cooling-production technology of high strength ribbed reinforced bar |
| 01/11/2006 | CN1718769A Ultrafast cooling device for wire and rod hot rolling production line |
| 01/11/2006 | CN1236095C High tensile hot rolled steel sheet excellent in shape freezing property and endurance fatigue characteristics after forming and its making method |
| 01/11/2006 | CN1236093C Ferritic stainless steel sheet excellent in press formability and workability and method for production thereof |
| 01/11/2006 | CN1236092C Steel plate having superior toughness in weld heat-affected zone and method for manufacturing the same, welding fabric using the same |