| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 10/22/1997 | CN1162982A Bake hardenable vanadium containing steel |
| 10/22/1997 | CN1162653A Process for producing ferritic stainless steel having improved corrosion resistance, especially resistance to intergranular and pitting corrosion |
| 10/21/1997 | US5679178 Method of manufacturing grain-oriented silicon steel sheet exhibiting excellent magnetic characteristics over the entire length of coil thereof |
| 10/21/1997 | US5679177 Oriented electrical steel sheet having low core loss and method of manufacturing same |
| 10/16/1997 | DE19708352A1 Nitrogen-containing stainless steel rope wire |
| 10/14/1997 | US5676771 Non-oriented silicon steel sheet and method |
| 10/14/1997 | US5676770 Low leakage flux, non-oriented electromagnetic steel sheet, and core and compact transformer using the same |
| 10/14/1997 | CA2076483C Method of producing grain oriented silicon steel sheet having low iron loss |
| 10/14/1997 | CA2032502C Method of producing grain oriented silicon steel sheets having improved magnetic properties |
| 10/14/1997 | CA2001213C Low iron loss grain oriented silicon steel sheets and method of producing the same |
| 10/09/1997 | WO1997036699A1 Method and arrangement for producing hot-rolled steel strip |
| 10/02/1997 | WO1997036016A1 Low-alloy heat-treated pearlitic steel rails with excellent wear resistance and welding characteristics and process for production thereof |
| 10/01/1997 | EP0798392A1 Production method for grain oriented silicon steel sheet having excellent magnetic characteristics |
| 10/01/1997 | EP0798059A1 Method of production of a blank for a forged connecting rod |
| 10/01/1997 | CN1161010A Method of manufacturing seamless steel pipes and manufacturing equipment therefor |
| 10/01/1997 | CN1161009A Process and device for producing a steel strip with the properties of a cold-rolled product |
| 09/30/1997 | US5672218 Straightening bar between rollers, machining to remove hardened surface layer, rolling again at lower pressure |
| 09/29/1997 | CA2201252A1 Procedure for the manufacture of a forged blank connecting rod |
| 09/24/1997 | EP0796923A1 Method of making a non-oriented magnetic steel sheet, and product |
| 09/24/1997 | EP0796922A2 Austenite stainless steel plate with excellent surface brightness and corrosion resistance and method for producing same |
| 09/24/1997 | EP0796921A1 Method of manufacturing thick steel product of high strength and high toughness having excellent weldability and minimal variation of structure and physical properties |
| 09/24/1997 | EP0796352A1 Ultra-high strength steels and method thereof |
| 09/24/1997 | CN1160378A Stainless steel wire for reinforcing upper part of tire casings |
| 09/18/1997 | WO1997033706A1 Ultra-thin sheet steel and method for manufacturing the same |
| 09/17/1997 | EP0795040A1 Process for producing high quality, close-grained structural steel with a stable anticorrosive layer for metal structures apparatus, machines and armouring |
| 09/17/1997 | CN1035891C Ingot slab used as refractory shaped-steel material containing oxide and process for rolling shaped-steel using said ingot slab |
| 09/17/1997 | CN1035889C Electric thin steel sheet |
| 09/16/1997 | US5667604 Process for the manufacture of a scraper or brush wire |
| 09/16/1997 | US5667598 Production method for grain oriented silicion steel sheet having excellent magnetic characteristics |
| 09/16/1997 | US5666842 Method of cold rolling grain-oriented silicon steel sheet having excellent and uniform magnetic characteristics along rolling direction of coil and a roll cooling controller for cold rolling mill using the cold rolling method |
| 09/16/1997 | CA2097900C High-strength cold-rolled steel sheet excelling in deep drawability and method of producing the same |
| 09/10/1997 | EP0794024A2 Improved process and apparatus for making in-situ-formed multifilamentary composites |
| 09/09/1997 | US5665455 Low-iron-loss grain-oriented electromagnetic steel sheet and method of producing the same |
| 09/09/1997 | US5665182 High-carbon steel wire rod and wire excellent in drawability and methods of producing the same |
| 09/09/1997 | US5665179 Process for producing a coil spring |
| 09/09/1997 | US5665178 Hot and cold rolling, annealing |
| 09/09/1997 | CA2053197C Enhanced weldability steel |
| 09/09/1997 | CA2006292C Very thin electrical steel strip having low core loss and high magnetic flux density and a process for producing the same |
| 09/03/1997 | EP0792942A1 Steel, steel sheet having excellent workability and method of producing the same by electric furnace-vacuum degassing process |
| 09/03/1997 | EP0792379A1 Dual-phase steel and method thereof |
| 09/03/1997 | CN1158363A Stainless steel improved in anti-microbial property and manufacturing thereof |
| 09/03/1997 | CN1035779C Shape steel material having high strength, high toughness and excellent fire resistance and process for producing rolled shape steel of said material |
| 09/02/1997 | US5662747 Bainite wire rod and wire for drawing and methods of producing the same |
| 08/27/1997 | EP0791081A2 Bake hardenable vanadium containing steel |
| 08/27/1997 | CN1157859A Large-heat input welding steel with heat input 500 KJ/cm above and its manufacture method |
| 08/26/1997 | US5660650 Method and apparatus for correcting the hardening deformation of annular elements |
| 08/26/1997 | US5660648 Cooling in air; aging |
| 08/26/1997 | CA2065310C Method of producing steel wires each having very small diameter, high strength and excellent ductility |
| 08/26/1997 | CA2021677C Multi-walled tubular member and method of forming |
| 08/21/1997 | WO1997030180A1 Semi-processed non-oriented magnetic steel sheet having excellent magnetic characteristic and method for manufacturing the same |
| 08/19/1997 | US5658668 Electromagnetic steel sheet and a core made therefrom |
| 08/19/1997 | US5658402 High-carbon steel wire rod and wire excellent in drawability and methods of producing the same |
| 08/19/1997 | US5658400 Rails of pearlitic steel with high wear resistance and toughness and their manufacturing methods |
| 08/19/1997 | US5658399 Bainite wire rod and wire for drawing and methods of producing the same |
| 08/13/1997 | EP0789093A1 Process for producing directional electrical sheet excellent in glass coating and magnetic properties |
| 08/13/1997 | EP0789090A1 Hot-rolled steel sheet and process for producing the same |
| 08/13/1997 | EP0789089A1 High-nickel austenitic stainless steel resistant to degradation caused by neutron irradiation |
| 08/13/1997 | EP0789085A1 Method for mechanical treatment of elongated amagnetic austenitic steel workpieces, especially of drill collars for oil drilling |
| 08/13/1997 | EP0788850A1 Steel pipe manufacturing method and apparatus and steel pipe manufactured thereby |
| 08/13/1997 | EP0788847A1 Steel rod used in the production of electrically welded mesh |
| 08/12/1997 | US5656106 Apparatus and method for net shape finishing of gears |
| 08/12/1997 | US5656103 High tensile strength steel strap containing specified amounts of carbon, manganese, phosphorus, nitrogen, sulfur, silicon to remove oxygen, aluminum to kill and remove oxygen and nitrogen, boron to remove nitrogen |
| 08/09/1997 | CA2196029A1 Steel for manufacturing forged parts and manufacturing process for a forged part |
| 08/07/1997 | WO1997028286A1 Method of preparing a magnetic article from a duplex ferromagnetic alloy |
| 08/07/1997 | CA2243502A1 Method of preparing a magnetic article from a duplex ferromagnetic alloy |
| 08/06/1997 | EP0787812A1 Steel for the manufacture of forgings and process for manufacturing said forgings |
| 08/06/1997 | EP0787808A1 Method and device for in-line-pickling of hot rolled strip in sequence with thin slab production |
| 08/06/1997 | EP0787541A1 Method of manufacturing seamless steel pipes and manufacturing equipment therefor |
| 08/05/1997 | US5653826 High strength dual phase steel plate with superior toughness and weldability |
| 08/05/1997 | US5653824 Magnetic strips and methods for making the same |
| 08/05/1997 | US5653821 Heating; hot rolling; colding rolling in two stages with a decarburization annealing |
| 07/31/1997 | WO1997027341A1 Process for continuously casting sheet metal and apparatus for continuously producing sheet metal |
| 07/30/1997 | EP0786533A1 Steel plate having low welding strain and good bending workability by linear heating and method for producing the same, and welding material and method for producing the same |
| 07/30/1997 | EP0786528A1 Process for manufacturing non grain-oriented magnetic steel sheet and sheet obtained by this process |
| 07/30/1997 | EP0785876A1 Stainless steel wire for reinforcing the upper part of tire casings |
| 07/30/1997 | CN1155908A Duplex stainless steel, and its manufacturing method |
| 07/29/1997 | US5651937 Austenitic stainless steel, in particular for making wire |
| 07/29/1997 | US5651842 High toughness high-speed steel member and manufacturing method |
| 07/24/1997 | WO1997026385A1 Drawing stock for reinforcing plastic or rubber articles |
| 07/24/1997 | WO1997026379A1 Ready-to-use metal wire and method for producing same |
| 07/24/1997 | WO1997026378A1 HOT ROLLED Cr-Ni STAINLESS STEEL PLATE OF LOW ANISOTROPY AND PROCESS FOR PRODUCING THE SAME |
| 07/24/1997 | WO1997026377A1 Process for the hot rolling of steel bands |
| 07/24/1997 | DE19642497C1 Iron@-chromium@-aluminium@ alloy foil production |
| 07/24/1997 | CA2243324A1 Ready-to-use metal wire and method for producing same |
| 07/24/1997 | CA2242728A1 Process for the hot rolling of steel bands |
| 07/24/1997 | CA2215609A1 Low anisotropic cr-ni-based hot rolled stainless steel sheet and process for its production |
| 07/23/1997 | EP0785286A1 Apparatus and methods for rolling and stress relaxing a metal strip |
| 07/23/1997 | EP0785285A1 Method for producing high tensile strength stainless steel |
| 07/23/1997 | EP0785283A1 Method of making ultra low-carbon steel |
| 07/22/1997 | US5650027 High-carbon steel wire rod and wire excellent in drawability and methods of producing the same |
| 07/22/1997 | US5650024 Martensitic heat-resisting steel excellent in HAZ-softening resistance and process for producing the same |
| 07/20/1997 | CA2195369A1 Method of making ultra low-carbon steel |
| 07/17/1997 | DE19600990A1 Verfahren zum Warmwalzen von Stahlbändern A method of hot rolling of steel strips |
| 07/17/1997 | CA2195163A1 Process for producing dual phase ferritic stainless steel strip |
| 07/16/1997 | EP0784100A1 Iron-cobalt alloy, manufacturing process for strips made from iron-cobalt alloy and product obtained |
| 07/16/1997 | EP0783595A1 Use of a nonmagnetic stainless steel |
| 07/16/1997 | EP0573642B1 Process for manufacturing high magnetic flux density grain oriented electrical steel sheet having superior magnetic properties |
| 07/15/1997 | US5647922 Process for manufacturing high manganese hot rolled steel sheet without any crack |
| 07/15/1997 | US5647918 Bainite wire rod and wire for drawing and methods of producing the same |
| 07/10/1997 | WO1997024467A1 Methods for annealing and pickling high manganic cold rolled steel sheet |