| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 12/14/1993 | US5269853 Decarburized steel sheet for thin oriented silicon steel sheet having improved coating/magnetic characteristics and method of producing the same |
| 12/08/1993 | EP0572674A1 High strength stainless steel foil for corrugation and method of making said foil |
| 12/08/1993 | EP0572666A1 Cold-rolled steel sheet and galvanized cold-rolled steel sheet which are excellent in formability and baking hardenability, and production thereof |
| 12/08/1993 | CN1023024C Production of silicon steel with proper structure of various sizes of crystal grains by use of pre-ageing method |
| 12/01/1993 | EP0571705A2 Method of producing low iron loss, low-noise grain-oriented silicon steel sheet, and low-noise stacked transformer |
| 12/01/1993 | EP0571521A1 Metal wire consisting of a steel substrate with a cold hardened annealed martensitic structure, and a coating. |
| 11/30/1993 | US5266129 Process for production of oriented electrical steel sheet having excellent magnetic properties |
| 11/30/1993 | US5265919 Pipe joint made of stainless steel and method of making the same |
| 11/30/1993 | US5265319 Used for carbonated beverages, and beers; excellent formability and corrosion resistance |
| 11/25/1993 | WO1993023577A1 Process for producing mirror-finished directional electric sheet |
| 11/25/1993 | WO1993023576A1 Methods and apparatus for effecting domain refinement of electrical steels |
| 11/25/1993 | DE4217031A1 Iron@ nickel@ thermo mechanics for pseudo elasticity adjustment - by homogenisation hot deformation, cooling opt. cold deformation and age hardening, for glide elements in winter sports appts., for numerous load-unload cycles |
| 11/23/1993 | US5264052 Fe-Ni alloy and method for producing the same |
| 11/23/1993 | CA1324562C Ultra-rapid heat treatment of grain oriented electrical steel |
| 11/16/1993 | US5261974 High-strength extra fine metal wire |
| 11/16/1993 | US5261972 Heat treatment, hot rolling, cold rolling, nitriding |
| 11/16/1993 | US5261971 Process for preparation of grain-oriented electrical steel sheet having superior magnetic properties |
| 11/11/1993 | DE4214901A1 Thermal and mechanical treatment of rolled material - comprising rolling and coiling, cooling, heating and maintaining warm in coil form |
| 11/10/1993 | CN1078270A Unoriented electrical engineering steel plate with good magnetism and manufacture of same |
| 11/09/1993 | US5259892 Process for producing non-oriented electromagnetic steel sheet having excellent magnetic properties after stress relief annealing |
| 11/09/1993 | US5259229 Apparatus for cooling thin-webbed H-beam steel |
| 11/03/1993 | EP0567989A1 Shadow mask sheet, method of producing the same and cathode ray tube provided therewith |
| 11/03/1993 | EP0567612A1 Nonoriented electrical steel sheets with superior magnetic properties, and methods for manufacturing thereof |
| 11/02/1993 | US5258080 Non-oriented electrical strip and process for its production |
| 11/02/1993 | US5257453 Process for making exhaust valves |
| 10/28/1993 | WO1993021355A1 Austenitic stainless steel sheet with excellent surface quality and production thereof |
| 10/28/1993 | WO1993021351A1 Interstitial free steels |
| 10/28/1993 | WO1993020966A1 Thin-strip cast piece of austenitic stainless steel, thin-strip cold-rolled steel plate and method of manufacturing the same |
| 10/27/1993 | EP0566986A1 Process for production of grain oriented electrical steel sheet having excellent magnetic properties |
| 10/27/1993 | EP0309547B1 Variable strength materials formed through rapid deformation |
| 10/26/1993 | US5256211 Applying current to magnetizable core; inducing flux, voltage; cooling |
| 10/22/1993 | CA2066487A1 Method of manufacturing a continuous annealing steel sheet |
| 10/20/1993 | EP0566457A1 Clad sheets and method for producing clad sheets with an abrasion resistant layer of tool steel |
| 10/19/1993 | CA1323291C Method for producing high silicon steel strip in a continuously treating line |
| 10/13/1993 | EP0565066A1 A tin mill black plate for canmaking, and method of manufacturing |
| 10/13/1993 | EP0565029A1 Grain oriented silicon steel sheet having low core loss and method of manufacturing same |
| 10/13/1993 | CN1077230A Weldable and hard structural steel containing 13% of cr |
| 10/12/1993 | US5252153 Process for producing steel bar wire rod for cold working |
| 10/12/1993 | US5252151 Fe-Ni alloy sheet for shadow mask having a low silicon segregation and method for manufacturing same |
| 10/06/1993 | EP0564309A1 Process for manufacturing of steel sheets and steel sheets obtained by this process |
| 10/05/1993 | US5250123 Hot rolling, cold rolling, annealing then holding in nitrogen atmosphere for primary and secondary recrystallization, reducing carbon and nitrogen by holding in hydrogen atmosphere |
| 09/30/1993 | WO1993019211A1 Method for continuous recrystallization annealing of a steel strip |
| 09/30/1993 | CA2131282A1 Method for continuous recrystallization annealing of a steel strip |
| 09/28/1993 | US5248353 Method of producing steel wires each having very small diameter, high strength and excellent ductility |
| 09/28/1993 | CA1322479C Method and apparatus for the manufacture of formable steel strip |
| 09/22/1993 | EP0561120A1 Thin Fe-Ni alloy sheet for shadow mask and method for manufacturing thereof |
| 09/22/1993 | CN1076492A Laser processing method and equipment for reducing iron loss of silicon steel sheet |
| 09/16/1993 | WO1993018196A1 Fe-Cr-Al ALLOY STEEL SHEET AND PRODUCTION THEREOF |
| 09/16/1993 | WO1993018189A1 High strength steel sway bars and method of making |
| 09/15/1993 | CN1076223A Hot-rolled low-alloy high-strength steel plate and preparing process thereof |
| 09/14/1993 | US5244511 Method of manufacturing an oriented silicon steel sheet having improved magnetic flux density |
| 09/08/1993 | EP0559225A1 High tensile steel sheet having excellent stretch flanging formability, and method of producing the same |
| 09/02/1993 | WO1993016823A1 Method of manufacturing bent pipe of high tensile steel |
| 09/01/1993 | EP0557689A2 Method for manufacturing a magnetic pulse generator |
| 08/31/1993 | US5241151 Continuous electron beam irradiation of metal strip |
| 08/31/1993 | US5240520 High strength, ultra fine steel wire having excellent workability in stranding and process and apparatus for producing the same |
| 08/25/1993 | EP0556834A2 Method of producing high-strength steel sheet used for can |
| 08/25/1993 | CN1021918C Process for improving cold formability of heat-treatable steels |
| 08/24/1993 | US5238645 Containing chromium, molybdenum, carbon, carbide former |
| 08/24/1993 | US5238511 Double C-shaped clamp |
| 08/18/1993 | EP0555867A2 Oriented electrical steel sheet having low core loss and method of manufacturing same |
| 08/18/1993 | EP0224591B1 Process for producing high-strength seamless steel pipes excellent in sulfide stress corrosion cracking resistance |
| 08/17/1993 | US5236521 Carbon, silicon, manganese, titanium, iron, titanium carbide |
| 08/17/1993 | US5236520 Geometric configuration; at least one bend; preferred orientation of grains; warm working |
| 08/11/1993 | EP0367831B1 Process for producing nonoriented electric steel sheet |
| 08/11/1993 | EP0357796B1 Process for producing nonoriented electric steel sheet |
| 08/11/1993 | CN1021776C Cold molding reinforcing process for low-carbon manganese niobium steel fastening parts |
| 08/10/1993 | US5234513 Used for color cathode ray tubes |
| 08/10/1993 | US5234512 Fe-ni alloy sheet for shadow mask, excellent in etching pierceability, preventing sticking during annealing, and inhibiting production of gases |
| 08/10/1993 | CA1321125C Process for producing a cold rolled steel sheet having a good ageing resistance by continuous annealing |
| 08/05/1993 | WO1993015233A1 High-strength steel parts and method of making |
| 08/05/1993 | WO1993014894A1 Apparatus and method for net shape finishing of gears |
| 08/03/1993 | US5232524 Process for the production of thin sheet metals intended for deep-drawing |
| 07/29/1993 | CA2088207A1 Method for manufacturing a magnetic pulse generator |
| 07/27/1993 | US5230752 Ferritic stainless steel and process for producing such a steel |
| 07/20/1993 | US5229069 High strength alloy steels for tire reinforcement |
| 07/14/1993 | EP0551141A1 Oriented magnetic steel sheets and manufacturing process therefor |
| 07/14/1993 | EP0478674B1 Method for preparing permanent magnets based on neodymium-iron-boron |
| 07/13/1993 | US5226978 Steel tube alloy |
| 07/13/1993 | CA1320110C Process for manufacturing building construction steel having excellent fire resistance and low yield ratio, and construction steel material |
| 07/13/1993 | CA1320108C Process for preparation of grain-oriented electrical steel sheet having excellent magnetic and film characteristics |
| 07/13/1993 | CA1320107C Process for making non-oriented high silicon steel sheet |
| 07/08/1993 | WO1993013236A1 Process for manufacturing high magnetic flux density grain oriented electrical steel sheet having superior magnetic properties |
| 07/08/1993 | WO1993013235A1 High strength stainless steel foil for corrugation and method of making said foil |
| 07/08/1993 | WO1993013231A1 Non-oriented electromagnetic steel sheet having very good magnetic characteristics and method of manufacturing the same |
| 07/07/1993 | CN1073982A Normalizing pre-treatment technology with double preheat |
| 07/06/1993 | US5225005 Method of annealing/magnetic annealing of amorphous metal in a fluidized bed and apparatus therefor |
| 07/01/1993 | WO1993013233A1 Austenitic high manganese steel having superior formability, strength and weldability, and manufacturing process therefor |
| 06/30/1993 | EP0548950A1 Low-yield-ratio high-strength hot-rolled steel sheet and method of manufacturing the same |
| 06/30/1993 | EP0548339A1 Grain oriented electrical steel sheet having superior magnetic properties, and manufacturing process thereof. |
| 06/30/1993 | CN1073728A Process for manufacturing high magnetic flux density grain oriented electrical steel sheet having superior magnetic properties |
| 06/29/1993 | US5223053 Warm work processing for iron base alloy |
| 06/29/1993 | US5223048 Low iron loss grain oriented silicon steel sheets and method of producing the same |
| 06/24/1993 | WO1993012263A1 High-strength thin plate of iron-nickel-cobalt alloy excellent in corrosion resistance, repeated bending behavior and etchability, and production thereof |
| 06/22/1993 | US5221513 Apparatus and method for net shape finishing of gears |
| 06/22/1993 | US5221378 Method for the preparation of high-strength fine wire of high-carbon steel |
| 06/22/1993 | US5221372 Cryogenically deforming austenitic microstructure to martensitic structure, tempering, surface nitriding; useful for bearing applications |
| 06/16/1993 | CN1073216A Electrical steel sheet with grain orientation and possessing fine magnetic property and its production process |
| 06/10/1993 | WO1993011270A1 Weldable high-strength structural steel with 13 % chromium |
| 06/10/1993 | CA2125178A1 Weldable high-strength structural steel with 13% chromium |