Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
---|
03/26/2003 | CN1405335A Modified wire material with good cold-forging characteristic |
03/26/2003 | CN1103829C Steel band for pots and its manufacture method |
03/26/2003 | CN1103825C Electric steel sheet with better deformability and magnetic properties and its making method |
03/26/2003 | CN1103824C Method for producing cold-rolled bands or sheets |
03/26/2003 | CN1103823C Method for annealing an amorphous alloy and method for manufacturing a marker |
03/26/2003 | CN1103647C Method and arrangement for producing hot-rolled strip |
03/25/2003 | US6537398 Method for manufacturing of strips of stainless steel and integrated rolling mill line |
03/25/2003 | US6537394 Hot rolling, coiling, cold rolling, heat treament |
03/20/2003 | WO2003023075A1 Method of producing (110)[001] grain oriented electrical steel using strip casting |
03/20/2003 | WO2003023074A1 Method of continuously casting electrical steel strip with controlled spray cooling |
03/20/2003 | US20030054195 High tensile strength hot dip plated steel sheet and method for production thereof |
03/20/2003 | US20030051782 A steel tube having a composition which contains: 0.05-0.30% C; 1.8-4.0% Mn; Si; and Al is subjected to a diameter-reducing rolling process of no less than 20% and a temperature no higher than 800 degrees C. |
03/19/2003 | EP1293582A2 High-strength steel wire excelling in resistance to strain aging embrittlement and longitudinal cracking, and method for production thereof |
03/19/2003 | EP1293581A1 Steel pipe for use in reinforcement of automobile and method for production thereof |
03/19/2003 | EP1293580A1 High carbon steel pipe excellent in cold formability and high frequency hardenability and method for producing the same |
03/19/2003 | EP1293578A2 Quenched and tempered steel wire with excellent cold forging properties |
03/19/2003 | CN1404420A Method and device for manufacturing a hot rolled steel strip |
03/19/2003 | CN1403602A Hyperfine steel and its producing process |
03/18/2003 | WO2002024968A1 Steel plate excellent in shape freezing property and method for production thereof |
03/18/2003 | US6533876 Making use of the casting heat, fed through a furnace device, roughing, rerolled |
03/14/2003 | CA2357452A1 Steel strapping |
03/13/2003 | US20030049153 Strength, toughness, and ductility; useful in articles such as an aircraft structural component or a golf club head |
03/13/2003 | US20030047258 High tensile cold-rolled steel sheet excellent in ductility and in strain aging hardening properties, and method for producing the same |
03/13/2003 | US20030047257 Cold-rolled steel sheet having excellent strain aging hardening properties and method for producing the same |
03/13/2003 | US20030047256 High tensile cold-rolled steel sheet having excellent strain aging hardening properties |
03/13/2003 | US20030047246 Material for tension type color-selective device for color cathode-ray tube and method of producing same |
03/13/2003 | US20030047242 Hot forging the steel; machining and optionally piercing the forged product; carburizing and quenching and tempering the machined steel to attain an effective case depth of 0.4 to 0.9 mm |
03/12/2003 | EP1291451A1 Electrical sheet having insulating coating and insulating coating |
03/12/2003 | EP1291448A1 Cold rolled steel sheet and galvanized steel sheet having strain aging hardening property and method for producing the same |
03/12/2003 | EP1291447A1 Cold-rolled steel sheet having excellent strain aging hardening properties and method for producing the same |
03/12/2003 | EP1291445A1 Steel material production method |
03/12/2003 | CN1402798A Martensitic stainless steel and steelmaking process |
03/12/2003 | CN1401807A Tagger steel strip for battery casing, and producing method thereof |
03/12/2003 | CN1401793A Bioriented silicon steel vaccum annealing process |
03/11/2003 | US6531001 Non-oriented magnetic steel sheet having low iron loss and high magnetic flux density and manufacturing method therefor |
03/06/2003 | WO2003018858A1 An ultra high strength steel composition, the process of production of an ultra high strength steel product and the product obtained |
03/06/2003 | WO2003018857A1 Steel plate exhibiting excellent workability and method for producing the same |
03/06/2003 | WO2003018856A2 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels |
03/06/2003 | WO2003018223A1 Method for processing a continuously cast metal slab or strip, and plate or strip produced in this way |
03/06/2003 | WO2003018221A2 Device for processing a metal slab, plate or strip, and product produced using this device |
03/06/2003 | US20030044638 Welded steel pipe having excellent hydroformability and method for making the same |
03/06/2003 | US20030044304 High strength, oxidation resistance steel; valves for internal combustion engines |
03/06/2003 | US20030041933 Method for making a multiphase hot-rolled steel strip |
03/06/2003 | US20030041932 Hot rolling; controlling particle sizes |
03/05/2003 | EP1288322A1 An ultra high strength steel composition, the process of production of an ultra high strength steel product and the product obtained |
03/05/2003 | EP1288316A1 Method for making high-strength high-toughness martensitic stainless steel seamless pipe |
03/05/2003 | EP1287171A1 Hardened fe-ni alloy for making integrated circuit grids and method for making same |
03/05/2003 | CN1401212A High strength steel plate having superior electric and magnetic shielding property and method for producing same |
03/05/2003 | CN1401012A Steel pipe having excellent formability and method for production thereof |
03/05/2003 | CN1400959A Powders 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 |
03/05/2003 | CN1400319A Manufacture of directional electromagnetic steel plate |
03/05/2003 | CN1102670C Non-directional electromagnetic steel sheet, and method for mfg. same |
03/04/2003 | US6527883 Containing 0.82 mass % of C, 1.05 mass % of Si, 0.51 mass % of Mn and 0.09 mass % of Cr to be worked into steel wires of pearlite structure |
03/04/2003 | US6527876 Silicon steel sheet and method for producing the same |
02/26/2003 | EP1285101A1 Electroplating annealed thin sheets and method for producing the same |
02/26/2003 | EP1285097A1 Martensitic stainless steel and seamless steel pipes produced with it |
02/26/2003 | CN1399001A Steel plate for barrel and its making process and barrel |
02/26/2003 | CN1398999A Technological process of producing Al and B-containing high-strength microalloy steel |
02/26/2003 | CN1102180C Wire materials with high drwable property and manufacture thereof |
02/25/2003 | US6524726 Cold-rolled steel sheet and galvanized steel sheet, which are excellent in formability, panel shapeability, and dent-resistance, and method of manufacturing the same |
02/25/2003 | US6524400 Continuous casting steel melt into strands; cooling, solidification, dividing into thin slabs; equalization in furnace; coiling, decarbonization, recrystallization, cold rolling, annealing, coating, stress relieving |
02/25/2003 | US6524380 Magnesium methylate coatings for electromechanical hardware |
02/20/2003 | WO2003014408A1 Steel material having high toughness and method of producing steel pipes using the same |
02/20/2003 | WO2003014404A1 Non-grain oriented electric sheet steel or strip and method for the production thereof |
02/20/2003 | US20030034593 Method and device for manufacturing a hot rolled steel strip |
02/20/2003 | US20030034100 Cold rolling; tensile strength, ductility, hardening |
02/20/2003 | US20030034092 Method of manufacturing grain-oriented electrical steel sheet |
02/19/2003 | EP1284308A1 Magnesium oxide particle aggregate |
02/19/2003 | CN1398302A Steel plate to be precipitating Tin+Zrn for welded structures, method for mfg. same and welding fabric using same |
02/19/2003 | CN1101857C Method for producing raw plate for surface treatment plate for can using continuous annealing |
02/19/2003 | CN1101856C Formed rolled piece and mfg. method thereof |
02/18/2003 | US6521057 High-strength high-toughness steel products |
02/18/2003 | US6521056 Stainless steel sheet has a composition containing, by weight % carbon not more than 0.02% manganese 1.5%, chromium 15%, nickel 0.05-2.0%, molybdenum 1.0 to 2.0% niobium 0.2 to 0.8% aluminum not more than 1%, nitrogen 0.02%, balance is iron |
02/18/2003 | US6521055 Composite magnetic member comprising hollow ferromagnetic steel portion and hollow nonmagnetic steel portion formed to ferromagnetic steel, wherein nonmagnetic steel has residual compressive stress to prevent stress corrosion cracks |
02/13/2003 | DE10161465C1 Production of hot strip used in vehicle chassis comprises casting steel into pre-material, hot rolling to form hot strip, cooling in first cooling step, and cooling in second cooling step after pause to coiling temperature |
02/13/2003 | DE10129900C1 Verfahren zur Wärmebehandlung eines Kaltbandes mit einer Oberflächenbeschichtung aus Ni und/oder Co, durch das Verfahren herstellbares Blech und durch das Verfahren herstellbarer Batteriebecher A method of heat treatment of a cold strip with a surface coating of Ni and / or Co, producible by the method and sheet producible by the method of battery cans |
02/12/2003 | EP1283275A1 Fe-Ni based permalloy and method of producing the same and cast slab |
02/12/2003 | CN1396963A Steel plate to be precipitating TiN+MnS for welded structures, method for manufacturing the same and welded structure using the same |
02/12/2003 | CN1396295A High-extension steel plate with good drawing property and strain ageing hardness property and its manufacturing method |
02/12/2003 | CN1101482C Steel sheet for can and manufacturing method thereof |
02/12/2003 | CN1101481C Fe-Nially for tension mask and tension mask using it and colour CRT |
02/11/2003 | US6517955 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 |
02/06/2003 | WO2003010351A1 Multi-phase steel sheet excellent in hole expandability and method of producing the same |
02/06/2003 | WO2002059383A3 Manufacturing process for making engine components of high carbon content steel using cold forming techniques |
02/06/2003 | US20030024612 Corrosion resistant material |
02/06/2003 | US20030024610 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 |
02/06/2003 | US20030024606 Comprising: 1.5-8.0 weight % silicon; 0.005-2.50 weight % manganese; and not more than 50 ppm of each of carbon, sulfur, nitrogen, oxygen, and boron |
02/05/2003 | EP1281782A1 Hot rolled wire or steel bar for machine structural use capable of dispensing with annealing, and method for producing the same |
02/05/2003 | EP1281778A2 Method of manufacturing grain-oriented electrical steel sheet |
02/05/2003 | EP1281777A1 Rolled h-shaped steel having uniform microstructure and uniform mechanical properties and method for producing the same |
02/05/2003 | EP1281182A1 Iron-cobalt alloy, in particular for electromagnetic actuator mobile core and method for making same |
02/05/2003 | EP0933440B1 Case hardened steel excellent in the prevention of coarsening of particles during carburizing thereof, method of manufacturing the same, and raw shaped material for carburized parts |
02/05/2003 | CN1395624A Steel plate to be precipitating Tin+CuS for welded structures, method for mfg the same, welding fabric using the same |
02/05/2003 | CN1395623A High tensile strength hot dip plated steel sheet and method for production thereof |
02/05/2003 | CN1100885C Method for mfg. cold rolled steel sheet excellent in resistance to natural aging and panel properties |
01/30/2003 | WO2003008654A1 Ultra-high magnetic flux density unidirectional electrical sheet excellent in high magnetic field iron loss and coating characteristics and production method therefor |
01/30/2003 | US20030019550 Medium carbon steel sheet and strip having enhanced uniform elongation and method for production thereof |
01/30/2003 | US20030019549 Low-alloy carbon steel for the manufacture of pipes for exploration and the production of oil and/or gas having an improved corrosion resistance, a process for the manufacture of seamless pipes, and the seamless pipes obtained therefrom |
01/29/2003 | EP1279747A2 A method of manufacturing grain-oriented electrical steel sheets |
01/29/2003 | EP1279445A1 Hot rolling mill and hot rolling method |