| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 07/31/2002 | EP1226888A1 Method for producing rack bar |
| 07/31/2002 | EP1084004B1 Method for rolling a metal strip |
| 07/31/2002 | CN1361306A Petroleum casing resisting stress corrosion of H2S and its production process |
| 07/31/2002 | CN1361305A High-strength cold-rolled steel sheet with excellent geomagnetic shielding character, its producing mehtod and use |
| 07/31/2002 | CN1361304A Method for producing high-strength electroplating steel plate and plating steel plate with excellent geomagnetic shielding character |
| 07/31/2002 | CN1361303A TP65 steel level petroleum casing and its manufacture |
| 07/31/2002 | CN1088475C Unidirectional electromagnetic steel sheet having excellent film characteristics and magnetic characteristics, its production method and decarburization annealing setup therefor |
| 07/31/2002 | CN1088474C Method for producing ultra-high strength, weldable steels with superiortoughness |
| 07/30/2002 | US6425963 High tensile strength hot-rolled steel sheet |
| 07/30/2002 | US6425962 Non-oriented electrical steel sheet excellent in permeability and method of producing the same |
| 07/25/2002 | WO2002057503A1 Grain-oriented magnetic steel sheet having no undercoat film comprising forsterite as primary component and having good magnetic characteristics |
| 07/25/2002 | WO2002057032A1 Method and device for manufacturing a hot rolled steel strip |
| 07/24/2002 | EP1225242A2 Ferritic stainless steel sheet with excellent workability and method for making the same |
| 07/24/2002 | EP1225241A1 Steel sheet for porcelain enamel excellent in forming property, aging property and enameling characteristics and method for producing the same |
| 07/24/2002 | EP1225240A1 Fe-Ni BASED MATERIAL FOR SHADOW MASK |
| 07/24/2002 | EP1225235A2 Process for manufacturing a cold rolled steel strip or sheet and steel strip or sheet obtainable by the process |
| 07/24/2002 | CN1088122C Non-ridging ferritic chromium alloyed steel |
| 07/24/2002 | CN1088119C Hot rolled steel plate to be processed having hyper fine particles, and method of mfg. same |
| 07/24/2002 | CN1088118C Thick cold rolled steel sheet excellent in deep drawability and method of mfg. same |
| 07/24/2002 | CN1088117C Steel material having high ductility and high strength and process for producing same |
| 07/24/2002 | CA2354901A1 Process for manufacturing a fe-ni alloy strip |
| 07/23/2002 | US6423426 High tensile hot-dip zinc-coated steel plate excellent in ductility and method for production thereof |
| 07/23/2002 | US6423160 Coefficient of thermal expansion smaller than that of low carbon steel, less expensive than other alloys |
| 07/23/2002 | US6423159 Niobium-stabilized 14% chromium ferritic steel, and use of same in the automobile sector |
| 07/23/2002 | US6423157 Method of making grain-oriented magnetic steel sheet having low iron loss |
| 07/23/2002 | US6423156 Process for the coating of electrical steel strips with an annealing separator |
| 07/18/2002 | WO2002055752A1 Color picture tube-use aperture grill material, production method therefor, aperture grill and picture tube |
| 07/18/2002 | DE10146301C1 Production of a strip made from an iron-nickel alloy, used for shadow masks in flat monitors and TV screens, comprises continuous or batch-type annealing a strip made from an iron alloy containing nickel, molybdenum and chromium |
| 07/18/2002 | DE10062310A1 Verfahren zur Behandlung metallischer Werkstoffe Method for the treatment of metallic materials |
| 07/17/2002 | EP1222317A1 Machinable high strength stainless steel |
| 07/17/2002 | CN1359113A Non-oriented electric thin steel sheet with ultrahigh magnetic-flux density and productive method thereof |
| 07/16/2002 | US6420054 Masking device for a color cathode-ray display tube with a flat screen, of the type comprising a support frame for a tensioned shadowmask, and tensioned shadowmask |
| 07/16/2002 | US6419770 Cold-warm working and heat treatment method of high carbon-high alloy group steel |
| 07/16/2002 | US6419768 Cold reduction, annealing cycles |
| 07/16/2002 | US6419762 Railroad rail of steel alloy with pearlitic microstructure; long-term serviceability, high ductility and abrasion resistance; vertically suspended position |
| 07/16/2002 | US6419453 Steam turbine rotor shaft |
| 07/16/2002 | US6418994 Tire having a stainless steel carcass reinforcement |
| 07/11/2002 | WO2002054435A1 Inner magnetic shielding material and method for production thereof |
| 07/11/2002 | WO2002053301A1 Hot rolling method and hot rolling line |
| 07/11/2002 | US20020088513 Steel holder block for plastic molding |
| 07/11/2002 | US20020088511 Excellent in hardenability and toughness and formable with a high dimensional precision; tools, springs |
| 07/11/2002 | US20020088506 Produces product having improved hardness and strength |
| 07/11/2002 | DE10117118C1 Production of fine sheet metal used in the production of cans comprises casting a steel to slabs or thin slabs, cooling, re-heating, hot rolling in several passes |
| 07/10/2002 | CN1358236A High carbon steel sheet and method for production thereof |
| 07/10/2002 | CN1357646A High strenght austenic stainless steel belt with excellent straightness and its making process |
| 07/10/2002 | CN1357644A Cold rolled steel plate with excellent machining homogenity and its production process |
| 07/10/2002 | CN1087359C Steel wire durable coatings, and method for mfg. same |
| 07/10/2002 | CN1087356C Ultra-high strength, weldable, boron-containing steels with superior toughness |
| 07/09/2002 | US6416594 Cold rolling |
| 07/09/2002 | US6416592 Electromagnetic steel sheet having excellent magnetic properties and production method thereof |
| 07/04/2002 | WO2002052914A1 A high strength steel plate having superior electric and magnetic shielding property, and method making the same |
| 07/04/2002 | WO2002052048A1 Magnetic steel sheet with non-oriented grains, method for making steel plates and resulting steel plates |
| 07/04/2002 | US20020084003 Wire rod for drawing superior in twisting characteristics and method for production thereof |
| 07/03/2002 | EP1219719A1 A ferritic stainless steel sheet good of workability and a manufacturing method thereof |
| 07/03/2002 | EP1218559A2 Use of a steel alloy for producing high-tensile seamless steel tubes |
| 07/03/2002 | EP1150789B1 Method and device for producing ingot molds for pig casting installations |
| 07/03/2002 | CN1356402A Hot-rolled steel plate and its manufacture |
| 07/03/2002 | CN1356401A Technology for manufacturing hot-dip galvanized cold-rolled steel plate with excellent machining uniformity |
| 07/02/2002 | US6413332 Method of producing ferritic Cr-containing steel sheet having excellent ductility, formability, and anti-ridging properties |
| 06/27/2002 | WO2002050328A1 Steel wire rod for hard drawn spring, drawn wire rod for hard drawn spring and hard drawn spring, and method for producing hard drawn spring |
| 06/27/2002 | WO2002050322A2 A steel plate and a hot dip galvanizing steel plate having superior electric and magnetic shielding property |
| 06/27/2002 | WO2002050318A1 Process for the production of grain oriented electrical steel |
| 06/27/2002 | WO2002050317A1 Production method for steel plate and equipment therefor |
| 06/27/2002 | WO2002050315A2 Process for the production of grain oriented electrical steel strips |
| 06/27/2002 | WO2002050314A2 Process for the production of grain oriented electrical steel strips |
| 06/27/2002 | WO2002049985A1 Powers which have an antibacterial and a far infrared ray radiating property and a bio-wave steel plate which is coated with resin containing the same |
| 06/27/2002 | US20020079028 Consisting of carbon, silicon, manganese, phosphorus, sulfur, molybdenum, vanadium, aluminum, nitrogen, copper, nickel, chromium, tungsten, boron, titanium, iron; maintains a tension-type color CRT shadow mask under tension |
| 06/27/2002 | DE10062919A1 Verfahren zum Herstellen von Warmband oder -blech aus einem mikrolegierten Stahl A method of producing hot-rolled strip or sheet of a microalloyed steel |
| 06/27/2002 | DE10060950A1 Production of a grain-orientated electric sheet comprises melting a steel melt, continuously casting into a pre-strip, cooling after solidifying, hot rolling to form a hot strip |
| 06/27/2002 | DE10060948A1 Verfahren zum Erzeugen eines Warmbandes aus einem einen hohen Mangan-Gehalt aufweisenden Stahl A method for producing a hot strip of a high manganese content steel having |
| 06/26/2002 | EP1217087A1 Iron-cobalt alloy with a low coercitive field intensity and method for the production of semi-finished products made of an iron-cobalt alloy |
| 06/26/2002 | CN1355856A Fe-Ni based material for shadow mask |
| 06/26/2002 | CN1355854A Steel for producing components of picture tubes and method for producing sheet steel from which picture tubes are made |
| 06/20/2002 | WO2002048417A1 STEEL PLATE TO BE PRECIPITATING TiN + ZrN FOR WELDED STRUCTURES, METHOD FOR MANUFACTURING THE SAME AND WELDING FABRIC USING THE SAME |
| 06/20/2002 | WO2002048410A1 Method for the production of hot strip or sheet from a micro-alloyed steel |
| 06/20/2002 | US20020074067 Ferritic Cr-containing steel sheet having excellent ductility, formability, and anti-ridging properties |
| 06/20/2002 | US20020074066 After the entire component has been solution annealed and tempered in a high temperature range, the edge layer is solution annealed by the effect of short-time energy impact, then entire component is annealed at lower temp than previous |
| 06/19/2002 | EP1215298A2 A high-strength austenitic stainless steel strip excellent in flatness of shape and its manufacturing method |
| 06/19/2002 | EP1215292A1 High-strength race and method of producing the same |
| 06/19/2002 | EP1214995A2 Method for the treatment of metal materials |
| 06/19/2002 | EP1214457A1 Use of a stainless steel for umbilicals in seawaters |
| 06/19/2002 | CN1354273A High-performance refractory weather-resisting building steel and its production method |
| 06/19/2002 | CN1354271A Stretching steel wire bar with good twisting property and its manufacturing method |
| 06/18/2002 | US6406572 Process for the production of a workpiece from a chromium alloy, and its use |
| 06/18/2002 | US6406558 Method for manufacturing magnetic steel sheet having superior workability and magnetic properties |
| 06/18/2002 | US6406557 Process for the treatment of grain oriented silicon steel |
| 06/13/2002 | WO2002046486A1 High strength hot rolled steel plate excellent in enlargeability and ductility and method for production thereof |
| 06/13/2002 | WO2002046480A1 Method for producing a hot rolled strip made of a steel comprising a high content of manganese |
| 06/13/2002 | US20020070653 Steel sheet for tension mask, making method thereof and tension mask |
| 06/13/2002 | US20020069946 Forging method |
| 06/13/2002 | US20020069944 High performance nanostructured materials and methods of making the same |
| 06/13/2002 | US20020069938 Formed member made of steel sheet and method for producing same |
| 06/12/2002 | EP1213363A1 Method for making wear-resistant surface layers on precipitation hardenable materials |
| 06/12/2002 | CN1353773A Aperture grill material for color picture tube, production method therefor, aperture grill and color picture tube |
| 06/11/2002 | US6405214 Method of gathering usage information and transmitting to a primary server and a third party server by a client program |
| 06/11/2002 | US6403026 Steel and process for the manufacture of a component for bearings |
| 06/11/2002 | US6402858 Super-clean steel |
| 06/06/2002 | WO2002044436A1 Steel plate to be precipitating tin+mns for welded structures, method for manufacturing the same and welding fabric using the same |
| 06/06/2002 | WO2002044434A1 Composite structure type high tensile strength steel plate, plated plate of composite structure type high tensile strength steel and method for their production |
| 06/06/2002 | WO2002044429A2 Bainite blades |