Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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02/26/1985 | US4501626 High strength steel plate and method for manufacturing same |
02/19/1985 | US4500771 Apparatus and process for laser treating sheet material |
02/19/1985 | US4500366 High speed multistage recrystallization annealing |
02/19/1985 | CA1182721A1 Method of producing steel having high strength and toughness |
02/12/1985 | US4498936 Containing aluminum silicates, aluminum and magnesium oxide and phosphoric acid |
02/12/1985 | CA1182387A1 Method for producing high-strength deep drawable dual phase steel sheets |
01/31/1985 | WO1985000383A1 Steel plated with molten aluminum excellent in high-temperature oxidation resistance and high-temperature strength and process fo r its production |
01/30/1985 | EP0132365A2 Process of making aluminum killed low manganese deep drawing steel |
01/23/1985 | EP0132252A1 Method of manufacturing rolled wire having a good cold workability |
01/23/1985 | EP0132249A2 Process and device to produce concrete reinforcement bars on a high speed wire mill |
01/23/1985 | EP0131651A1 Process and installation for making very high alloy deformed steels and special alloys |
01/22/1985 | US4494999 Process for making fine-grain weldable steel sheet for large-diameter pipes |
01/15/1985 | US4493739 Process for producing a grain-oriented electromagnetic steel sheet or strip having a low watt loss and a grain-oriented electromagnetic steel strip having uniform magnetic properties |
01/09/1985 | EP0130674A2 Process for producing cube-on-edge oriented electromagnetic silicon steel |
01/09/1985 | EP0130221A1 Process for producing corrosion-resistant alloy steel |
12/27/1984 | CA1179925A Process for production of oriented silicon steel |
12/19/1984 | EP0128139A1 High strength, low carbon, dual phase steel rods and wires and process for making same |
11/28/1984 | EP0126481A2 Method and apparatus for direct heat treatment of medium- to high-carbon steel rods |
11/27/1984 | US4484956 Hot rolling, annealing |
11/27/1984 | CA1178517A1 Ferrous materials |
11/21/1984 | EP0125653A1 Process for producing a grain-oriented electrical steel sheet |
11/20/1984 | US4483723 Strips containing aluminum; silicon, manganese |
11/20/1984 | US4483722 Low alloy cold-worked martensitic steel |
11/20/1984 | CA1178182A1 Process for preparing aluminum-plated steel sheets having low yield strength and high oxidation resistance |
11/14/1984 | EP0124964A1 Process for producing grain-oriented silicon steel |
11/13/1984 | US4482401 Method for producing cube-on-edge oriented silicon steel |
11/13/1984 | US4482397 Method for improving the magnetic permeability of grain oriented silicon steel |
11/07/1984 | EP0124354A1 A method of manufacturing a shadow mask for a colour cathode ray tube |
11/06/1984 | CA1177370A1 Manufacture of rolled steel easy to weld, highly stretch resistant and very bendable in the cold state |
11/06/1984 | CA1177369A1 Process for the improved heat treatment of steels using direct electrical resistance heating |
11/06/1984 | CA1177289A1 High-alloyed steel being resistive to corrosion by natural gas |
10/31/1984 | EP0123406A2 Low alloy steel plate and process for production thereof |
10/31/1984 | EP0123054A1 Stainless chromium steel and process for the manufacture thereof |
10/30/1984 | CA1176961A1 Superalloy properties through stress modified gamma prime morphology |
10/23/1984 | US4478653 Process for producing grain-oriented silicon steel |
10/23/1984 | US4478649 Method for producing a cold-rolled steel sheet having excellent formability |
10/17/1984 | EP0121630A2 Improved austenitic stainless steel alloys for high temperature applications |
10/10/1984 | EP0120976A1 Process for manufacturing cold-rolled steel for deep drawing |
10/09/1984 | US4475961 High remanence iron-manganese alloys for magnetically actuated devices |
10/03/1984 | EP0024437B1 Process for producing non-aging cold-rolled steel sheets |
10/02/1984 | US4474627 Hot rolling |
09/25/1984 | US4473416 Process for producing aluminum-bearing grain-oriented silicon steel strip |
09/25/1984 | US4473414 High tensile strength cold rolled steel sheets and high tensile strength hot-dip galvanized steel sheets |
09/25/1984 | US4473411 Process of making aluminum killed low manganese deep drawing steel |
09/19/1984 | EP0119186A2 Method of manufacturing turbine blades |
09/19/1984 | EP0119088A1 Steel for use as material of cold-rolled steel sheet |
09/18/1984 | US4472208 Hot-rolled high tensile titanium steel plates and production thereof |
09/18/1984 | US4472207 Method for manufacturing blank material suitable for oil drilling non-magnetic stabilizer |
09/11/1984 | US4470188 Method of mechanically prestressing a tubular apparatus |
09/04/1984 | US4469533 Method of producing grain oriented silicon steel sheets or strips having high magnetic induction and low iron loss |
09/04/1984 | CA1173729A1 Process for manufacturing ferritic stainless steel sheet having good formability, surface appearance and corrosion resistance |
08/28/1984 | US4468551 Laser treatment of electrical steel and optical scanning assembly therefor |
08/21/1984 | US4466842 Purity-dynamic transformation of crystal structure |
07/31/1984 | US4462844 Cold working surface, heating to recrystallize; hot extrusion |
07/31/1984 | CA1171766A1 Process for production of coil of hot rolled strip of austenitic stainless steel |
07/24/1984 | CA1171306A1 Magnetic elements for magnetically actuated devices and processes for their production |
07/05/1984 | WO1984002535A1 Process for producing corrosion-resistant alloy steel |
07/04/1984 | EP0048761B1 High-tensile, cold-rolled steel plate with excellent formability and process for its production, as well as high-tensile, galvanized steel plate with excellent formability, and process for its production |
07/03/1984 | CA1170151A1 Method of making high-strength, high-toughness steel with good workability |
06/27/1984 | EP0112027A1 A method of manufacturing cold rolled steel sheets for extra deep drawing with an excellent press formability |
06/26/1984 | US4456812 Laser treatment of electrical steel |
06/21/1984 | WO1984002354A1 High strength, low carbon, dual phase steel rods and wires and process for making same |
06/12/1984 | CA1168964A1 Method of producing silicon-iron sheet material with annealing atmospheres of nitrogen and hydrogen |
05/29/1984 | US4450948 Apparatus for supplying headed parts |
05/16/1984 | EP0108575A2 Local annealing treatment for cube-on-edge grain oriented silicon steel |
05/16/1984 | EP0108574A1 Radio frequency induction heating device |
05/16/1984 | EP0108573A2 Local heat treatment of electrical steel |
05/16/1984 | EP0108268A1 Method for the production of cold rolled steel sheet having super deep drawability |
05/15/1984 | US4448613 Heating, cooling, deforming and soaking |
05/01/1984 | US4445946 High strength cold rolled steel strip having an excellent deep drawability |
04/26/1984 | WO1984001586A1 Process and installation for the treatment of cylindrical products, particularly armouring bars by hardening and drawing temper |
04/26/1984 | WO1984001585A1 Process for manufacturing cold-rolled steel for deep drawing |
04/24/1984 | US4444602 Method of manufacturing amorphous magnetic alloy ribbon and use for magnetostriction delay lines |
04/17/1984 | US4443272 Casting, hot rolling, annealing, carbon, manganese, phosphorus, aluminum, nitrogen, boron |
04/10/1984 | US4441936 High-strength, low-yield-point, cold-rolled steel sheet or strip suitable for deep drawing |
03/27/1984 | US4439252 Method of producing grain-oriented silicon steel sheets having excellent magnetic properties |
03/27/1984 | US4439251 Non-oriented electric iron sheet and method for producing the same |
03/27/1984 | CA1164320A1 Processing for cube-on-edge oriented silicon steel |
03/21/1984 | EP0103439A1 Methods of prestressing and methods of manufacturing tubular apparatus |
03/20/1984 | US4437910 Secondary recrystallization |
03/20/1984 | US4437909 Process for producing a grain-oriented silicon steel sheet or strip having excellent magnetic properties |
03/20/1984 | US4437903 Method for producing two-phase hot rolled steel sheet having high strength and low yield ratio |
03/20/1984 | US4437902 Batch-annealed dual-phase steel |
03/20/1984 | US4437900 Thermal mechanical treatment for enhancing high temperature properties of cast austenitic steel structures |
03/14/1984 | EP0102732A2 Laser treatment of electrical steel and optical scanning assembly thereof |
03/13/1984 | US4436561 Press-formable high strength dual phase structure cold rolled steel sheet and process for producing the same |
03/07/1984 | EP0101740A1 Process for manufacturing cold-rolled steel having excellent press moldability |
03/06/1984 | US4435231 Precipitation hardening; for nuclear reactors |
03/06/1984 | CA1163213A1 Manufacture of electrically welded steel pipe |
02/28/1984 | CA1162826A1 Method for the manufacture of steel suitable for electric-welded tubular products having superior resistance to sour gas |
02/22/1984 | EP0101321A2 Method of producing grain oriented silicon steel sheets or strips having high magnetic induction and low iron loss |
02/22/1984 | EP0101097A1 Process for manufacturing work-hardened metallic workpieces by forging or pressing |
02/15/1984 | EP0100638A2 Laser treatment of electrical steel |
02/01/1984 | EP0099619A2 Method for producing cube-on-edge oriented silicon steel |
02/01/1984 | EP0099618A2 Method for producing cube-on-edge oriented silicon steel |
02/01/1984 | EP0099617A2 Method for producing cube-on-edge oriented silicon steel |
02/01/1984 | EP0099520A2 Method and apparatus for thermomechanically rolling hot strip product to a controlled microstructure |
02/01/1984 | EP0099515A1 Amorphous press formed sections |
01/24/1984 | US4427460 Decarburizing low carbon steel |
01/18/1984 | EP0098564A1 Process for producing fine-grained, weldable plates for large pipes |