Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
06/2002
06/06/2002US20020068007 Nickel 30-85 wt %, carbon < 0.015 wt %, Silicon < 1.0 wt %, Manganese < 1.0 wt %, phosphorus < 0.01 wt %, sulfur < 0.005 wt %, oxygen < 0.0060 wt %, aluminum < 0.02 wt % remainder iron; casting, homogenizing heat treatment and hot rolling
06/06/2002CA2398126A1 High-strength dual-phase steel sheets and high-strength dual-phase plated steel sheets as well as method of producing the same
06/05/2002EP1211331A1 A Fe-Cr soft magnetic material and a method of manufacturing thereof
06/05/2002EP1211330A1 Aperture grill material for color picture tube, production method therefor, aperture grill and color picture tube
06/05/2002EP1141432A4 Corrosion resistant austenitic stainless steel
06/05/2002EP1062371B1 Process for the production of grain oriented electrical steel strips
06/05/2002EP0435968B2 Process for manufacturing shaped parts from coil-break-free hot strip
06/05/2002CN1352700A Process for improvement of magnetic characteristics in grain oriented electrical silicon steel sheet by laser treatment
06/04/2002US6399154 Laminate article
06/04/2002US6398887 Aluminum-killed low carbon steel sheet for containers and method of making
06/04/2002US6398884 Forming an internal oxide layer in a surface layer of an iron matrix; excellent workability
05/2002
05/30/2002WO2002042509A1 Material for shadow mask, method for production thereof, shadow mask comprising the material and picture tube using the shadow mask
05/30/2002WO2002004145A3 Method and apparatus for the direct production of scale-free thin metal strip
05/30/2002US20020064678 Cobalt-base, nickel-base, or an iron-base alloy, in which grain-like or cluster-like eutectic carbide is diffused as discontinued distribution, and of specified coefficient of friction; use as sliding part or a valve seat for a machine
05/30/2002US20020062942 Method for controlling a continuous strip steel casting process based on customer-specified requirements
05/30/2002US20020062887 Providing slug of austenitic steel, passing through hot rolling mill to form steel sheet; quenching, passing through cold rolling mill to reduce thickness of sheet
05/30/2002US20020062885 For producing articles use in solenoids, fuel injectors, switched reluctance motors, magnetic bearings, fly wheels, and sensors
05/29/2002EP1209244A1 Linear shape steel excellent in joint fatigue characteristics and production method therefor
05/29/2002EP1208166A1 Coating composition for forming insulating films, non-oriented electrical steel sheet with the coating composition coated thereon, and method for forming the insulating films on the steel sheet
05/29/2002CN1351637A Coating composition for forming insulating films, non-oriented electrical steel sheet with the coating composition coated thereon, and method for forming the insulating films on the steel sheet
05/29/2002CN1351527A Casting slab for shadow mask, method for heat treatment therof and material for shadow mask
05/29/2002CN1351187A Process for preparing high-cleanness, high-strength and high-toughness steel for gas delivering pipeline
05/29/2002CN1351186A Manufacture of electric steel plates with high magnetic flux density orientation
05/29/2002CN1351178A Cooling control technology for heat treatment of steel plate
05/28/2002US6395109 Bar product, cylinder rods, hydraulic cylinders, and method for manufacturing
05/28/2002US6395108 Flat product, such as sheet, made of steel having a high yield strength and exhibiting good ductility and process for manufacturing this product
05/28/2002US6395104 Method of producing unidirectional electromagnetic steel sheet having excellent film characteristics and magnetic characteristics
05/23/2002WO2002040731A1 STEEL PLATE TO BE PRECIPITATING TiN+CuS FOR WELDED STRUCTURES, METHOD FOR MANUFACTURING THE SAME, WELDING FABRIC USING THE SAME
05/23/2002WO2002040722A1 Method for making a strip or a workpiece cut out from a cold rolled maraging steel strip
05/23/2002US20020059967 Maraging steel and process for manufacturing a strip or a part cut out of a strip of cold-rolled maraging steel
05/23/2002US20020059966 Electromagnetic steel sheet and process for producing the same
05/23/2002DE10055275A1 Mill annealed process to manufacture stainless steel yarn brake as a truncated cone
05/22/2002EP1207213A1 High tensile cold-rolled steel sheet excellent in ductility and in strain aging hardening properties, and method for producing the same
05/22/2002EP0906963B1 Bidirectional electromagnetic steel plate and method of manufacturing the same
05/22/2002CN1349862A Production method of unidirectional electromagnetic steel plate with high magnetic intensity
05/22/2002CN1085258C Ultra-high strength, weldable steels with excellent ultra-low temperature toughness
05/21/2002US6391126 Method for producing aging-resistant strip from an aluminum-killed steel
05/21/2002US6390443 Composite magnetic member, process for producing the member and electromagnetic valve using the member
05/21/2002CA2249964C Martensitic stainless steel pipe and method for manufacturing the same
05/16/2002WO2002038818A1 Method for producing a cold rolled strip that is cold formed with low degrees of deformation
05/16/2002WO2002038477A1 Endless yarn tensioning strip and method for producing the same
05/16/2002DE10143073A1 Stahl mit niedrigem Kohlenstoffgehalt und Verfahren zum Herstellen eines strukturellen Stahlrohrs mit hoher Zähigkeit bei kalten Temperaturen Steel with low carbon content and method for manufacturing a structural steel pipe with a high toughness at low temperatures
05/15/2002EP1205570A1 Color crt mask frame, steel plate for use therein, process for producing the steel plate, and color crt having the frame
05/15/2002EP1205269A1 Casting slab for shadow mask, method for heat treatment therof and material for shadow mask
05/15/2002EP1204772A2 Method for producing welded steel pipes with a high degree of strength, ductility and deformability
05/15/2002EP0944744B1 METHOD OF MANUFACTURING FERRITIC STAINLESS FeCrAl-STEEL STRIPS
05/15/2002CN1084797C 具有优秀成形性、面板定形性和抗硌痕性的冷轧钢板与镀锌钢板及其制造方法 With excellent formability, panel setting and dent-resistance of cold rolled steel and galvanized steel sheets
05/14/2002US6387522 Applying film tension
05/14/2002US6386583 Low-carbon high-strength steel
05/10/2002WO2002036840A1 High tensile hot rolled steel sheet and method for production thereof
05/09/2002US20020053374 Hot rolled steel having improved formability
05/08/2002EP1203829A2 Wire rod for drawing superior in twisting characteristics and method for production thereof
05/08/2002EP1025268B1 Method for producing a magnetic grain oriented steel sheet with low level loss by magnetic reversal and high polarisation
05/08/2002EP1017863B1 Methods for producing constituent members made of ageing-sensitive steel and coated with baking enamel
05/08/2002EP1011527A4 Multilayer composite tubular structure and method of making
05/08/2002EP0958388B1 Process for improving magnetic performance in a free-machining ferritic stainless steel
05/08/2002EP0818545B1 Process for continuously casting sheet metal
05/08/2002CN1348506A Method of making an AS-rolled multi-purpose weathering steel plate and product therefrom
05/07/2002US6383317 Steels
05/07/2002US6383316 Precipitated hardening stainless steel
05/07/2002US6383309 Ferritic stainless steel plate
05/02/2002EP1201780A1 Steel plate having excellent burring workability together with high fatigue strength, and method for producing the same
05/02/2002EP1201775A1 Process of manufacturing cylindrical hollow bodies and the use thereof
05/02/2002EP1201774A2 Forging method
05/02/2002EP1200636A1 Process for the improvement of the magnetic characteristics in grain oriented electrical silicon steel sheets by laser treatment
05/02/2002EP1200635A1 High resistance steel band or sheet and method for the production thereof
05/01/2002CN1347462A Rolling bearing steel having surface with lower baintic structure and method for production thereof
05/01/2002CN1346899A Fe-Ni permalloy, method for mfg same and casting brank
05/01/2002CN1083902C Steel sheet with fine square drawing property and making method thereof
05/01/2002CN1083895C Grain-oriented electrical steel sheet having excellent magnetic characteristics, its mfg. method and its mfg. device
05/01/2002CN1083894C Process for mfg. strip made of alloy of iron-nickel type from continuously cast thin strip
05/01/2002CN1083893C 高抗拉强度钢及其生产方法 High tensile strength steel and production methods
04/2002
04/30/2002US6379477 Fe-Cr-Ni alloy for electron gun electrodes and Fe-Cr-Ni alloy sheet for electron gun electrodes
04/25/2002US20020046824 Method of producing steel strip
04/24/2002EP1199375A1 Non-refined steel being reduced in anisotropy of material and excellent in strength, toughness and machinability
04/24/2002CN1346301A Method of manufacturing metallic products such as sheet by cold working and flash annealing
04/24/2002CN1083495C 用于荫罩的因瓦合金薄钢板的生产方法 Invar shadow mask manufacturing method for steel sheet
04/24/2002CN1083494C Non-oriented electrical steel sheet and method ofr manufacturing the same
04/24/2002CN1083490C Method for cold rolling thin and inner shield cover steel plate having excillent magnetic field shield property
04/23/2002US6375765 Ferrite-based thin steel sheet excellent in shape freezing feature and manufacturing method thereof
04/23/2002US6375760 Method for controlling structure of two-phase steel
04/23/2002US6374901 Differential quench method and apparatus
04/23/2002CA2225743C Method and plant for the manufacture of a deep-drawing steel strip or sheet
04/18/2002WO2002031844A2 Co-mn-fe soft magnetic alloys
04/18/2002WO2002030585A1 A method and a device for manufacturing of a closed profile and a profile manufactured according to said method
04/18/2002US20020043358 Production of thin steel strip
04/18/2002US20020043357 Method of producing steel strip
04/18/2002US20020043314 Method of manufacturing fe-ni alloy
04/18/2002US20020043304 Method of producing steel strip
04/18/2002US20020043299 Non-oriented electrical steel sheet having the following chemical composition: Carbon 0.01% or less, Silicon 2.5% or less, Manganese 2% or less, Aluminum 1-5%, (Si+Al+0.5x Mn 2.5 to 5%, sheet thickness 0.1 to 0.4mm. excellent workabiltiy
04/18/2002DE19732872C2 Anzeigeelement für die Verwendung in einem magnetischen Diebstahlsicherungssystem Display element for use in a magnetic anti-theft system
04/18/2002CA2423570A1 Co-mn-fe soft magnetic alloys
04/17/2002EP1197569A1 Fe-Ni permalloy and method of producing the same
04/17/2002EP1196256A1 Integrated continuous casting and in-line hot rolling process, as well as relative process with intermediate coiling and uncoiling of the pre-strip
04/17/2002CN1082855C Steel pipe manufacturing method and apparatus and steel pipe
04/16/2002US6372056 Tensile strength, shaving properties and green drawing properties important in spring production
04/11/2002WO2002029128A1 High performance nanostructured materials and methods of making the same
04/11/2002WO2002028569A1 A method of producing steel strip
04/11/2002US20020040744 Steel wire rod for cold forging and method for producing the same
04/11/2002CA2422133A1 A method of producing steel strip