Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
11/2000
11/14/2000US6146472 Method of making case-carburized steel components with improved core toughness
11/14/2000US6145364 Method and apparatus for rolling strip or plate
11/14/2000CA2194379C Apparatus for producing continuoulsly metallic coil and process therefor
11/09/2000DE19946889C1 Aging resistant aluminum-killed steel strip, for manufacturing cold formed components e.g. bodywork parts, is produced by subjecting rolled strip to continuous annealing, hot coiling, cooling to room temperature and skin pass rolling
11/09/2000DE19921286A1 Wärmebehandlungsverfahren zur Herstellung randschichtgehärteter Lang- nd Flachprodukte aus unlegierten oder niedriglegierten Stählen Heat treatment process for the production boundary layer hardened long nd flat products of non-alloy or low-alloy steels
11/09/2000DE10014656A1 Cold/hot processing and heat treatment process for high alloyed steel comprises hot/cold processing followed by hot isostatic pressing to eliminate tears and hollow spaces
11/08/2000EP1050591A2 Thermal treatment process for manufacturing surface hardened unalloyed or low alloyed, elongated or flat steel products
11/08/2000CN1272554A Nanometer grain low-alloy steel plate and its production method
11/07/2000US6143241 Reducing surface hardness of the cold worked product sufficiently to allow further cold working by heating in less than one minute
11/07/2000US6143100 Controlled batch annealing a low-carbon, cold-rolled sheet in a two stages by heating, holding and cooling at specific temperatures; hot rolling, coiling; excellent formability, bake hardenability, dent resistance, aging resistant; autos
11/07/2000US6143094 Method of stress inducing transformation of austenite stainless steel and method of producing composite magnetic members
11/02/2000WO2000065119A1 High tensile hot-dip zinc-coated steel plate excellent in ductility and method for production thereof
11/02/2000WO2000065105A1 Method for strengthening of rolling element bearings by thermal-mechanical net shape finish forming technique
11/02/2000WO2000065103A2 Method of producing non-grain-oriented electrical sheet
11/02/2000WO2000047354B1 Method of manufacturing metallic products such as sheet by cold working and flash annealing
11/02/2000EP1047799A1 Ultra-high strength steels with excellent cryogenic temperature toughness
11/02/2000EP1047798A1 Ultra-high strength ausaged steels with excellent cryogenic temperature toughness
11/02/2000CA2367602A1 Method of producing non-grain-oriented electrical sheet
10/2000
10/31/2000US6139650 Hot-rolling a slab to form a hot-rolled steel sheet, cold-rolling the hot-rolled steel sheet to form a cold-rolled steel sheet; and finish annealing the cold-rolled steel sheet.
10/31/2000CA2204315C Methods for making magnetic strips
10/26/2000WO2000063453A1 Very thin 2-piece container steel sheet excellent in pucker resistance at neck diameter reduction and in earing and production method therefor
10/26/2000WO2000063450A1 Rolling bearing steel having a surface with a lower bainitic structure and a method for the production thereof
10/26/2000WO2000063449A1 Method for producing a rolling bearing steel
10/26/2000DE19918484A1 Non-grain-oriented electrical steel sheets are produced using a wide range of steel starting materials and a wide range of hot rolling, coiling, pickling, cold rolling and final treatment parameters
10/25/2000EP1045737A1 Process and device for producing a high-strength steel strip
10/25/2000CN1057714C Method for mfg. cold rolled steel sheet with excellent enamel adherence
10/24/2000US6136456 Surface of iron substrate of grain oriented electrical steel sheet is subjected to enhancement treatment of crystal grain orientation or surface smoothing, chromium electroplated thereon
10/24/2000US6136109 Forming a pipe from a steel comprising specific weight percent of carbon, silicon, manganese, copper, nickel, nitrogen and high percentage of chromium, balance iron, austenizing, quenching, heat treating, cooling, annealing
10/24/2000US6136102 Maraging steel
10/24/2000US6136099 Rare earth-iron series permanent magnets and method of preparation
10/19/2000WO2000061322A1 Cast steel piece and steel product excellent in forming characteristics and method for treatment of molted steel therefor and method for production thereof
10/18/2000CN1270639A Pipeline distribution network system for transportation of liquefied natural gas
10/18/2000CN1270237A Continuous casting billets without surface crackings and manufacture of non-treated high tension steel by using same
10/17/2000CA2030705C Thermal flattening semi-processed electrical steel
10/12/2000WO2000060134A1 Ferritic stainless steel plate
10/12/2000WO2000059650A1 Integrated continuous casting and in-line hot rolling process, as well as relative process with intermediate coiling and uncoiling of the pre-strip
10/12/2000DE19930518C1 Production of a non grain-oriented electric sheet used as core material in motors and generators comprises producing a hot strip from a steel pre-material, hot rolling and spooling
10/12/2000DE19913498C1 Verfahren zum Herstellen eines Warmbandes und Warmbandlinie zur Durchführung des Verfahrens A method for manufacturing a hot-rolled strip and the hot strip line for implementing the method
10/11/2000EP1042516A1 Cold drawn wire and method for the manufacturing of such wire
10/11/2000EP1042090A1 Method of manufacturing aluminide sheet by thermomechanical processing of aluminide powders
10/11/2000CN1057343C Mfg. method for single orientation silicon steel plate
10/11/2000CN1057342C Method for making non-oriented magnetic steel sheet
10/10/2000US6129992 High-strength cold rolled steel sheet and high-strength plated steel sheet possessing improved geomagnetic shielding properties and process for producing the same
10/10/2000US6129795 Metallurgical method for processing nickel- and iron-based superalloys
10/05/2000WO2000058043A1 Blank for gunbarrel, method for producing said gunbarrel and gunbarrel
10/04/2000EP1040206A1 Rust-resistant constructional steel and method for producing the same
10/04/2000EP1040205A1 Ultra-high strength dual phase steels with excellent cryogenic temperature toughness
10/04/2000EP0925376B1 Process for the production of grain oriented electrical steel strip starting from thin slabs
10/04/2000EP0922119B1 Process for the production of grain oriented electrical steel strip having high magnetic characteristics, starting from thin slabs
10/03/2000US6126892 Thermomechanical net shape finishing
09/2000
09/28/2000WO2000056944A1 Maraging steel excellent in fatigue characteristics and method for producing the same
09/27/2000EP1038985A1 Clean steel
09/27/2000EP1038978A1 Process and installation for manufacturing hot strip
09/27/2000EP1037721A1 Process and device for producing a ferritically rolled steel strip
09/21/2000WO2000055383A1 Material for shadow mask, method for production thereof, shadow mask and image receiving tube
09/21/2000WO2000055381A1 Method of producing a hot-rolled strip
09/21/2000WO2000039352A3 Ultra-high strength steels with excellent cryogenic temperature toughness
09/20/2000EP1036853A1 Stainless steel for engine gasket and production method therefor
09/20/2000EP0877824B1 Ready-to-use metal wire and method for producing same
09/20/2000EP0630417B1 High strength steel sway bars and method of making
09/19/2000US6120617 Method for manufacturing a magnetic pulse generator
09/14/2000WO2000053817A1 Method for continuous casting of highly ductile ferritic stainless steel strips between rolls, and resulting thin strips
09/14/2000DE19930519C1 Non-textured electrical steel sheet, useful for cores in rotary electrical machines such as motors and generators, is produced by multi-pass hot rolling mainly in the two-phase austenite-ferrite region
09/13/2000EP1035222A1 Continuous casting slab suitable for the production of non-tempered high tensile steel material
09/13/2000EP0877825B1 Method of preparing a magnetic article from a duplex ferromagnetic alloy
09/13/2000CN1266462A Method of manufacturing cold rolled steel sheet excellent in resistance to natural aging and panel properties
09/13/2000CN1056416C Method of producing ferritic stainless steel strip with small intra-face anisotropy
09/13/2000CN1056343C Stainless steel wire for reinforcing upper part of tire casings
09/12/2000US6117253 Cold rolled steel sheet for shadow mask made by low-temperature annealing and manufacturing method therefor
09/08/2000WO2000052965A2 A method of heating metal strip and apparatus therefor
09/08/2000WO2000052218A1 Steel sheet for heat-shrink band and method of manufacturing it
09/08/2000CA2361567A1 A method of heating metal strip and apparatus therefor
09/07/2000DE19933113C1 Variable thickness steel strip production by flexible warm rolling of an austenitic steel containing manganese, nickel and/or molybdenum for use in e.g. automobile bodywork production
09/06/2000CN1265710A Ultra-high strength, weldable, boron-containing steels withsuperiof toughness
09/06/2000CN1265709A Ultra-high strength, weldable steels with excellent ultra-low temperature toughness
09/06/2000CN1265708A Method for producing ultra-high strength, weldable steels with superior toughness
09/06/2000CN1056246C Method and apparatus for continuous field annealing of amorphous mamorphous metal tramsformer cores
09/05/2000US6113710 Ferritic stainless steel plate excellent in deep drawability and anti-ridging property and production method thereof
08/2000
08/31/2000WO2000050659A1 Steel plate, hot-dip steel plate and alloyed hot-dip steel plate and production methods therefor
08/31/2000WO2000050658A1 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
08/31/2000DE19911287C1 Verfahren zum Erzeugen eines Warmbandes A method for producing a hot strip
08/30/2000EP1031999A1 Production method for semirigid magnetic material and semirigid material and magnetic marker using it
08/30/2000EP1031636A2 Heavy wall steel material having superior weldability and method for producing the same
08/30/2000EP1031632A2 Production method of ultra fine grain steel
08/30/2000CN1264748A Technology for producing wide band of orientated silicon steel with thickness less than or equal to 0.15mm
08/29/2000US6110421 High strength non-magnetic stainless steel and method for producing the same
08/29/2000US6110299 Steel sheet with excellent formability, strength and toughness comprising specified amounts of carbon, niobium and titanium, having at least one of niobium and titanium present as solid solution and specified ferrite crystal grain size
08/29/2000US6110298 Grain-oriented electrical steel sheet excellent in magnetic characteristics and production process for same
08/29/2000US6110296 Strip casting thin, low strength, high ductility, carbon-free steel strip having ferritic microstructure free of hardening acicular ferrite, bainite and martensite phases
08/29/2000US6109336 Method of manufacturing a deep-drawing steel strip or sheet
08/23/2000EP1029720A2 Manufacturing method for hollow stabilizer
08/23/2000EP1029113A1 Method for covering electric steel strips with an annealing separator
08/23/2000EP0779369B1 Method of manufacturing non-oriented electromagnetic steel plate having high magnetic flux density and low iron loss
08/22/2000US6106639 High tensile strength
08/22/2000US6106638 Process for manufacturing thin strip of ferritic stainless steel, and thin strip thus obtained
08/22/2000US6106637 Microalloyed steel wire
08/17/2000WO2000047354A1 Method of manufacturing metallic products such as sheet by cold working and flash annealing
08/16/2000EP1028167A2 High tensile strength hot-rolled steel sheet and method of producing the same
08/16/2000EP0608430B1 Cold-rolled steel plate having excellent baking hardenability, non-cold-ageing characteristics and moldability, and molten zinc-plated cold-rolled steel plate and method of manufacturing the same
08/16/2000CN1263568A Steel sheet for can and manufacturing method thereof