Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
10/1998
10/22/1998WO1998046803A1 Unidirectional electromagnetic steel sheet having excellent film characteristics and magnetic characteristics, its production method and decarburization annealing setup therefor
10/22/1998WO1998046802A1 New process for the production of grain oriented electrical steel from thin slabs
10/22/1998WO1998046801A1 New process for the production at low temperature of grain oriented electrical steel
10/21/1998CN1196758A Magnetic shield material, production method thereof and color image tube assembling said material
10/15/1998WO1998045495A1 Steel and process for the manufacture of a part for ball bearing
10/15/1998WO1998045494A1 Coated seizure-hardening type cold-rolled steel sheet having excellent aging resistance and method of production thereof
10/15/1998CA2286380A1 Steel and process for the manufacture of a part for ball bearing
10/14/1998EP0870848A1 Niobium containing steel and process for making flat products from this steel
10/14/1998EP0870843A1 Magnetic steel sheet having excellent magnetic properties and method for manufacturing the same
10/14/1998EP0870553A2 Rolling method for thin flat products and relative rolling line
10/14/1998CN1195709A Method of producing coins of stainless steel
10/14/1998CN1195708A Steel and process for manufacture of steel component formed by cold plastic deformation
10/14/1998CN1195585A Continuous metal manufacturing method and apparatus therefor
10/14/1998CN1195584A Rolling method for thin flat products and relative rolling line
10/13/1998US5821686 Inner-shield material to be attached inside a color cathode ray tube
10/13/1998US5820706 Process for manufacturing a forging
10/13/1998US5820703 Hot rolling steel slab then converting to hot coil, cutting coil to form a cylindrical shape
10/10/1998CA2228005A1 Rolling method for thin flat products and relative rolling line
10/08/1998WO1998044517A1 Ultra-low iron loss unidirectional silicon steel sheet
10/08/1998WO1998044168A1 Chromium-containing hot rolled steel strip and its production method
10/07/1998EP0869190A1 Grain oriented electrical steel sheet having very low iron loss and production for same
10/07/1998EP0796352A4 Ultra-high strength steels and method thereof
10/07/1998EP0792379A4 Dual-phase steel and method thereof
10/06/1998US5817196 Niobium-containing hot-rolled steel sheet with high strength and high drawability and its manufacturing processes
10/06/1998US5817193 Cold working, annealing
10/01/1998WO1998042889A1 Polishing-finished stainless steel sheet having excellent stain removability, and production method thereof
10/01/1998WO1998042882A1 Method for making an electric sheet steel with oriented grains for the manufacture of transformer magnetic circuits in particular
10/01/1998WO1998042881A1 Hot-rolling steel strip
10/01/1998DE19712616A1 Warmwalzen von Stahlband Hot rolling of steel strip
10/01/1998DE19712381A1 Hardened stainless steel strip production
10/01/1998CA2284635A1 Hot-rolling steel strip
09/1998
09/29/1998US5815791 Structural element with brazed-on foil made of oxide dispersion-Strengthened sintered iron alloy and process for the manufacture thereof
09/25/1998CA2233117A1 Process for producing hot rolled strip
09/24/1998WO1998041664A1 Dual-phase high-strength steel sheet having excellent dynamic deformation properties and process for preparing the same
09/24/1998WO1998041660A1 Process for the inhibition control in the production of grain-oriented electrical sheets
09/24/1998WO1998041659A1 Process for the inhibition control in the production of grain-oriented electrical sheets
09/23/1998EP0866144A1 Non-oriented electromagnetic steel sheet and method for manufacturing the same
09/23/1998EP0763140A4 Method of increasing the yield strength of cold formed steel sections
09/23/1998CN1039915C Production of grain-oriented silicon steel sheets having insulating film formed thereon
09/23/1998CN1039889C Stainless steel and carbon steel composite, and method of producing the same
09/22/1998US5810951 Reverse roller milling with controlled cooling and intermittent periods of recrystallization for high strength and toughness
09/22/1998US5810950 Annealing a low carbon, austenitic steel sheet in nitrogen or nitrogen and hydrogen to reduce the thickness of the oxide surface layer and to precipitate aluminum nitride particles to effect easy peeling
09/22/1998CA2060044C Method for making a steel sheet useful in making a high strength drawn and ironed can
09/17/1998WO1998040522A1 Method for producing a highly resistant, very ductile steel strip
09/17/1998DE19710125A1 Verfahren zur Herstellung eines Bandstahles mit hoher Festigkeit und guter Umformbarkeit A method for producing a steel strip with high strength and good formability
09/17/1998CA2284124A1 Method for producing a highly resistant, very ductile steel strip
09/16/1998CN1193293A Ultra-thin steel sheet and mfg. method therefor
09/09/1998EP0863029A2 High strength steel sway bars and method of making
09/09/1998EP0573641B1 Austenitic high manganese steelsheet having superior formability, strength and weldability, and manufacturing process therefor
09/09/1998CN1192786A Raw material for magnetic shield, prodn. method thereof, and color TV receiver
09/09/1998CN1192708A Method and plant for mfg. deep-drawing steel strip or sheet
09/09/1998CN1192482A Stainless steel wire and mfg. process
09/09/1998CN1192481A Cold rolled steel plate having excellent deep drawability and time limitation resistance, and method for mfg. same
09/09/1998CN1039724C Stainless steel sheet and method for producing same
09/08/1998US5803989 Process for producing non-oriented electrical steel sheet having high magnetic flux density and low iron loss
09/08/1998US5803988 Method for manufacturing non-oriented electrical steel sheet showing superior adherence of insulating coated layer
09/03/1998WO1998038345A1 High-tensile-strength steel and method of manufacturing the same
09/02/1998EP0861916A1 Process for making a stainless steel strip rich in aluminium especially suitable for a catalytic converter support for a motor vehicle
09/02/1998EP0861915A1 High-toughness, high-tensile-strength steel and method of manufacturing the same
09/02/1998EP0861914A1 Method for producing silicon-chromium grain oriented electrical steel
09/02/1998CN1191900A Method for producing silicon-chromium grain oriented electrical steel
09/02/1998CN1039629C Warm rolling method for threaded reinforcing bar
09/01/1998US5800633 Method for making high magnetic density, low iron loss, grain oriented electromagnetic steel sheet
09/01/1998US5799527 Method of producing a stainless steel sheet having excellent surface brightness
09/01/1998US5799398 Method for precision gear finishing by controlled deformation
08/1998
08/28/1998CA2230016A1 Process for manufacturing a ferritic stainless steel strip with a high aluminum content that can be used, among other things, as a support for catalytic converters on automobiles
08/26/1998EP0860510A1 Material for magnetic shield, production method thereof, and color television tube
08/26/1998EP0860215A1 Continuous metal manufacturing method and apparatus therefor
08/26/1998EP0752012B1 Process for producing magnetic steel sheets with a glass coating
08/25/1998US5798004 Low carbon-high manganese-nickel-molybdenum-trace titanium type
08/25/1998US5798001 Electrical steel with improved magnetic properties in the rolling direction
08/25/1998CA2106616C Shape steel material having high strength, high toughness and excellent fire resistance and process for producing rolled shape steel of said material
08/21/1998CA2230013A1 Continuous metal manufacturing method and apparatus therefor
08/19/1998EP0859064A1 Stainless steel for manufacturing drawn wire, especially tyre reinforcement wire, and process of manutacturing said wire
08/19/1998CN1190998A Multiphase steel, production of rolled products and use of said steel
08/19/1998CN1190997A Ferritic steel, method for its production and use
08/19/1998CN1039544C Alloy sheet and making method thereof
08/18/1998US5795410 Casting, hot rolling, cold rolling and annealing a steel strip for automobiles
08/18/1998US5794840 Process for the production of pipes by the UOE process
08/12/1998EP0857794A1 Cold rolled steel sheet and manufacturing process
08/12/1998CN1190241A Orientationless electric steel plate with fine mangetic performance and manufacturing method thereof
08/12/1998CN1190132A Method for manufacturing high magnetic flux density oriented electric steel plate
08/11/1998US5792286 High-strength thin plate of iron-nickel-cobalt alloy excellent in corrosion resisitance, repeated bending behavior and etchability, and production thereof
08/06/1998WO1998033945A1 Ferromagnetic amorphous metallic alloy and annealing method
08/06/1998WO1998033944A1 Process for improving magnetic performance in a free-machining ferritic stainless steel
08/06/1998CA2279981A1 Ferromagnetic amorphous metallic alloy and annealing method
08/05/1998EP0594866B1 Austenitic stainless steel sheet with excellent surface quality and production thereof
08/05/1998CN1189858A Low-alloy heat-treated pearlitic steel rails with excellent wear resistance and welding characteristics and process for prodn. thereof
08/05/1998CN1189789A Method and plant for the manufacture of a strip of formable steel
08/04/1998US5787747 Process and apparatus for making in-situ-formed multifilamentary composites
07/1998
07/30/1998WO1998032889A1 High-strength steel sheet highly resistant to dynamic deformation and excellent in workability and process for the production thereof
07/30/1998WO1998032884A1 Grain-oriented electrical steel sheet having excellent magnetic characteristics, its manufacturing method and its manufacturing device
07/29/1998CN1189111A Seamless steel pipe manufacturing method and equipment
07/29/1998CN1188970A Grain-oriented electromagnetic steel sheet and process for producing the same
07/29/1998CN1188811A Iron loss low, strain characteristic resistant and practical characteristic good grain orientation electromagnet steel plate and its manufacture method
07/29/1998CN1188810A Manufacturing method of iron-aluminium alloy wire material and use
07/29/1998CN1039352C Unoriented electrical engineering steel plate with good magnetism and manufacture of same
07/23/1998WO1998031843A1 Method for making seamless tubing with a stable elastic limit at high application temperatures
07/23/1998WO1998031482A1 Method and apparatus for rolling strip or plate
07/23/1998WO1998031304A1 Multilayer composite tubular structure and method of making