Patents
Sitemap › C21 - Metallurgy of iron › C21D - Modifying the physical structure of ferrous metals; General devices for heat treatment of ferrous or non-ferrous metals or alloys; Making metal malleable by decarburisation, tempering, or other treatments › C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment
Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
11/1999
11/25/1999WO1999060182A1 Electrical sheet of excellent magnetic characteristics and method of manufacturing the same
11/24/1999EP0959142A2 Grain oriented electromagnetic steel sheet and manufacturing method thereof
11/24/1999EP0958388A1 Process for improving magnetic performance in a free-machining ferritic stainless steel
11/23/1999US5989366 Method of manufacturing thick steel product of high strength and high toughness having excellent weldability and minimal variation of structure and physical properties
11/18/1999WO1999058731A1 Method and system for producing a hot-rolled strip
11/18/1999DE19821299A1 Arrangement and method for producing hot-rolled steel strip
11/17/1999EP0957180A2 Grain oriented electromagnetic steel sheet and manufacturing thereof
11/17/1999CN1046555C Steel material containing fine graphite particles uniformly dispersed therein and having excellent cold workability, machinability and hardenability and manufacture thereof
11/16/1999US5985051 Shape steel material having high strength, high toughness and excellent fire resistance and process for producing rolled shape steel of said material
11/16/1999US5983481 Method of making forged steel bar
11/11/1999WO1999057328A2 Heat treatment and forge for very high carbon martensitic stainless steels for the production of infibered structures
11/10/1999EP0954617A1 Method for making seamless tubing with a stable elastic limit at high application temperatures
11/10/1999EP0954392A1 Process and device for producing a steel strip or sheet
11/09/1999US5980662 Heating austenitic steel having low percentage carbon so that annealing occurs with an intergranular carbide precipitation rating of medium or less
11/04/1999WO1999055927A1 Cold rolled steel plate of excellent moldability, panel shape characteristics and denting resistance, molten zinc plated steel plate, and method of manufacturing these steel plates
11/04/1999WO1999055922A1 Method of manufacturing cold rolled steel sheet excellent in resistance to natural aging and panel properties
11/04/1999WO1999055469A1 Metal spray-coated flat-rolled mild steel and its manufacture
11/04/1999WO1999023268A9 High-strength cold rolled steel sheet and high-strength plated steel sheet which have excellent geomagnetism shielding characteristics, and method of manufacturing them
11/04/1999DE19918581A1 Process for casting thin carbon steel strips
11/03/1999EP0953653A1 Method for producing forged iron-nickel-base superalloys
11/03/1999EP0953651A1 Stainless steel for manufacturing drawn wire, especially tyre reinforcement wire, and wire manufactured by said process
11/03/1999EP0953059A1 Method for stretching of a profile in an induction heat treatment process
11/03/1999CN1233665A Super fine organization steel and method for mfg. same
11/02/1999US5976282 Method for producing austenitic steel plate with excellent surface brightness and corrosion resistance
11/02/1999US5976277 High speed tool steel, and manufacturing method therefor
11/02/1999US5976275 High-nickel austenitic stainless steel resistant to degradation by neutron irradiation
10/1999
10/27/1999EP0952235A1 High-strength steel plate having high dynamic deformation resistance and method of manufacturing the same
10/27/1999EP0952233A1 Steel wire rod or bar with good cold deformability and machine parts made thereof
10/27/1999EP0951954A1 Stainless steel usable in storage containers, especially wine storage containers
10/27/1999EP0889762B1 Method for producing hot-rolled steel strip
10/27/1999CN1232883A Fe-Ni series alloy for shadow mask use and producing method for the same
10/27/1999CN1232877A Method of soft annealing high carbon steel
10/26/1999US5972134 Selectively adjusting ductility/strength in areas of steel plate by quick heating areas prior to molding into automobile structural beam; simplification
10/23/1999CA2269430A1 Austenitic stainless steel sheet, for use in the manufacture of vats, especially wine-making vats
10/21/1999WO1999053113A1 Steel sheet for can and manufacturing method thereof
10/21/1999WO1999053107A1 Method for producing a forsterite insulating film on a surface of grain-oriented anisotropic electrotechnical steel sheets
10/21/1999WO1999053106A1 Method for producing grain-oriented anisotropic electrotechnical steel sheets
10/20/1999EP0950120A1 Process for the treatment of grain oriented silicon steel
10/20/1999EP0950119A1 Process for the production of oriented-grain electrical steel sheet with high magnetic characteristics
10/20/1999EP0950118A1 Process for the production of grain oriented silicon steel sheet
10/19/1999US5968877 Article comprising substrate sequentially coated with epitaxial buffer layer(s) and high critical temperature (tc) yttrium-barium-copper oxide (ybco) layer
10/19/1999CA2056348C Toner for developing electrostatic image and fixing method
10/14/1999WO1999051368A1 Method for rolling a metal strip
10/14/1999DE19816200A1 Verfahren zur Herstellung eines Forsterit-Isolationsfilms auf einer Oberfläche von korn-orientierten, anisotropen, elektrotechnischen Stahlblechen A method for producing a forsterite insulating film on a surface of grain-oriented anisotropic electrical steel sheets
10/14/1999DE19816158A1 Verfahren zur Herstellung von korn-orientierten anisotropen, elektrotechnischen Stahlblechen A process for the production of grain-oriented anisotropic electrical steel sheets
10/14/1999CA2327106A1 Method for rolling a metal strip
10/13/1999CN1231703A Process for the production of grain oriented electrical steel strip starting from thin slabs
10/13/1999CN1231345A Method for making Fe-Ni alloy used in electron gun parts
10/07/1999WO1999050463A1 Method for manufacturing a forming steel having good forming characteristics and low-carbon grade forming steel
10/07/1999DE19815032A1 Walzverfahren für ein Metallband Process for leveling a metal strip
10/07/1999DE19814299A1 Verfahren zum Bearbeiten eines Werkstücks aus Metall A method of machining a workpiece made of metal
10/07/1999DE19814223A1 Verfahren zur Herstellung von mikrolegierten Baustählen A process for the production of micro-alloyed constructional steels
10/06/1999EP0947606A1 Plated steel plate
10/06/1999EP0947598A1 High-strength high-toughness steel products and production method thereof
10/06/1999EP0947597A2 Method of producing a grain-oriented electrical steel sheet excellent in magnetic characteristics
10/06/1999EP0947596A1 Silicon steel having low residual magnetic flux density
10/06/1999EP0947590A1 Method of manufacturing micro-alloyed construction steels
10/06/1999EP0947589A1 Process for treating a metallic workpiece
10/06/1999EP0946764A1 Process for monitoring and controlling the quality of rolled products from hot-rolled processes
10/06/1999EP0946763A1 High strength deep drawing steel developed by reaction with ammonia
10/06/1999CN1231001A Method for manufacturing high magnetic flux density grain oriented electrical steel sheet based on low temperature slab heating method
10/06/1999CN1230602A Cold-rolled steel strip and hot-dip coated cold-rolled steel strip for use as building material manufacturing method thereof
10/05/1999US5961744 Grain oriented silicon steel sheet having low core loss and method of manufacturing same
09/1999
09/30/1999WO1999049092A1 Iron-based magnetic shape memory alloy and method of preparing the same
09/30/1999CA2325474A1 Iron-based magnetic shape memory alloy and method of preparing the same
09/29/1999EP0945522A1 Hot rolled steel plate to be processed having hyper fine particles, method of manufacturing the same, and method of manufacturing cold rolled steel plate
09/29/1999EP0945521A1 A continuous process for obtaining metal wires and a plant for actuation of the process
09/29/1999EP0945520A1 High strenght, corrosion resistant steel for employment in construction, geotechnology and general engineering applications
09/29/1999EP0944910A1 Display unit for use in a magnetic anti-theft system
09/29/1999EP0944744A1 METHOD OF MANUFACTURING FERRITIC STAINLESS FeCrAl-STEEL STRIPS
09/29/1999CN1230231A Steel, method for its manufacture, its use and product made from steel
09/28/1999US5958599 Structures having enhanced biaxial texture
09/28/1999US5958158 Causing uniform temperature distribution within steel by controlled heating or cooling after deforming preheated steel then reheating to below deformation temperature and continuously rolling to reduce to final size; simplification
09/23/1999WO1999047720A1 Steel sheet for shadow mask, shadow mask, and picture tube
09/23/1999WO1999047719A1 Material for aperture grill for color picture tube, process for making the same, aperture grill, and picture tube
09/23/1999WO1999047718A1 Material for aperture grill for color picture tube, process for making the same, aperture grill, and picture tube
09/22/1999EP0943696A1 Steel plates for drum cans, method of manufacturing the same, and drum can
09/22/1999EP0943694A1 A method for the manufacture of components made of steel
09/22/1999EP0943693A1 A method of soft annealing high carbon steel
09/22/1999EP0594865B1 Thin-strip cast piece of austenitic stainless steel, thin-strip cold-rolled steel plate and method of manufacturing the same
09/22/1999CN1229146A Process for producing Fe-Ni alloys used for electron gun parts
09/22/1999CN1229013A Method for manufacture of components made of steel
09/22/1999CN1045214C Method and apparatus for heat-treating profiled rolling stock
09/21/1999US5955201 Steel sheets with coatings
09/21/1999US5954896 Precipitation of metal carbosulfide in a gamma temperature region during hot rolling to reduce the amount of carbon in solid solution prior to coiling, cold rolling, annealing
09/16/1999WO1999046419A1 Bn precipitation reinforced type low carbon ferritic heat resisting steel of high weldability
09/16/1999WO1999046418A1 High strength hot rolled steel sheet excellent in formability
09/16/1999WO1999046417A1 Silicon steel sheet and method for producing the same
09/16/1999WO1999046416A1 Unidirectional magnetic steel sheet and method of its manufacture
09/16/1999WO1999046413A1 Process for the production of grain oriented electrical steel strips
09/16/1999DE19908407A1 High strength valve spring, especially for an automobile engine
09/16/1999CA2287502A1 Hot rolled high strength steel sheet with excellent formability
09/15/1999EP0813613B1 Method for making steel wires and shaped wires, and use thereof in flexible ducts
09/15/1999EP0745007B1 Method for manufacturing a cold rolled steel sheet with excellent enamel adherence
09/15/1999EP0378705B2 PROCESS FOR PRODUCING THIN Cr-Ni STAINLESS STEEL SHEET EXCELLENT IN BOTH SURFACE QUALITY AND QUALITY OF MATERIAL
09/15/1999CN1228817A Process for production of grain oriented electrical steel strip having high magnetic characteristics, starting from thin slab
09/14/1999US5951788 Annealing or cold rolling and shaping alloy containing carbon, silicon, manganese, chromium, nickel, nitrogen and iron; magnet collars
09/11/1999CA2231760A1 Cold-rolled steel strip and hot-dip coated cold-rolled steel strip for use as building material and manufacturing method thereof
09/10/1999CA2262144A1 Process of making electrical steels having good cleanliness and magnetic properties
09/09/1999DE19909324A1 Steel with high toughness used as a constructional steel e.g. for rods, profiles and thin and thick plates
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