| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 06/17/2004 | WO2004050932A1 Steel excellent in machinability and method for production thereof |
| 06/17/2004 | WO2004050931A1 Cold rolled steel sheet for gasket material, method for production thereof and gasket material produced by the method |
| 06/17/2004 | US20040112484 Tensile strength; uniform elongation; heat treatment; low temperature annealing |
| 06/17/2004 | US20040112483 High-strength isotropic steel, method for making steel plates and resulting plates |
| 06/17/2004 | US20040112482 Ferrite structure; ductility, shockproof |
| 06/17/2004 | DE10256394A1 Process for production of steel tubes from hot rolled strip steel, especially by high internal pressure forming, useful in the production of tubes with longitudinal weld seams for the automobile industry |
| 06/16/2004 | EP1429142A1 Method and Apparatus for measuring the quantity of a component absorbed by a metallic workpiece during thermochemical treatment |
| 06/16/2004 | EP1428895A1 Steel strap composition |
| 06/16/2004 | EP1427866A1 Method for making rolled and welded tubes comprising a final drawing or hydroforming step and resulting rolled tube |
| 06/16/2004 | EP1427864A1 Method for producing a metal strip from an iron-nickel alloy for tensioned shadow masks |
| 06/16/2004 | EP1346069B1 Magnetic steel sheet with non-oriented grains, method for making steel plates and resulting steel plates |
| 06/16/2004 | EP1299569B1 Ferritic stainless steel for ferromagnetic parts |
| 06/16/2004 | EP1230405B1 Method of producing ultra-fine grain structure for unalloyed or low-alloyed steel |
| 06/16/2004 | CN1153843C Cold rolled steel sheet having excellent corrosion resistance to sulfuric acid |
| 06/16/2004 | CN1153841C High tensile hot rolled steel sheet and producing method thereof |
| 06/15/2004 | US6749954 Welded steel pipe having excellent hydroformability and method for making the same |
| 06/15/2004 | US6749701 Method of inhibiting cold-rolled steel sheet edge cracking, and method of producing the steel sheet |
| 06/15/2004 | US6749696 Crystallization; annealing; hot rolling; cold rolling |
| 06/15/2004 | US6749693 Method of producing (110)[001] grain oriented electrical steel using strip casting |
| 06/10/2004 | WO2004048634A1 Method for the production of dual phase sheet steel |
| 06/10/2004 | US20040109784 Steel and steel tube for high- temperature use |
| 06/10/2004 | US20040108027 Making a semi-finished article of air-hardened steel;cold-forming the semi-finished article into a finished-shape part or component with a predetermined finished shape; hardening the finished-shape part or component by a heat treating |
| 06/10/2004 | US20040108026 Cold rolled, high tensile strength ; use in strapping machines for providing a tensioned loop about packaged articles |
| 06/10/2004 | US20040108024 Methods of manufacturing hot-rolled and hot-dip galvanized steel sheet excellent in strain age hardening property |
| 06/10/2004 | US20040108020 Cooled and annealed bainite steel part, and a method of manufacturing it |
| 06/10/2004 | US20040107757 Method of making structural components |
| 06/10/2004 | CA2506571A1 Method for the production of dual phase sheet steel |
| 06/09/2004 | EP1426453A1 Process for the production of a steel forged part and part obtained thereof |
| 06/09/2004 | EP1426452A1 Cooled and annealed article in bainitic steel, and production process thereof |
| 06/09/2004 | EP1337453B1 Endless yarn tensioning strip and method for producing the same |
| 06/09/2004 | EP0930375B1 Method of manufacturing a ferritic stainless steel plate of high deep drawability and ridging resistance |
| 06/09/2004 | EP0828862B2 Martensitic stainless steel having high mechanical strength and corrosion resistance and relative manufactured articles |
| 06/09/2004 | CN1502708A Deep overcooling hot-rooling technology applicable to carbon-manganese steel and microalloy steel |
| 06/09/2004 | CN1153227C Grain-oriented electromagnetic steel sheet and process for producing the same |
| 06/09/2004 | CN1152971C High carbon steel pipe excellent in cold formabiltiy and high frequency hardenability and method for producing the same |
| 06/09/2004 | CN1152970C Cold-rolled steel sheet having excellent strain aging hardening properties and method for producing the same |
| 06/03/2004 | WO2004046407A1 Special steel as hot-cool composite material and manufacturing process thereof |
| 06/03/2004 | WO2004046400A1 Cold-worked steels with packet-lath martensite/austenite microstructure |
| 06/03/2004 | US20040105997 steel has specified levels of impurities and nitrogen to aluminum ratio; tensile strength increased by press forming and heat treatment while maintaining excellent deep drawability in press forming; structural strength |
| 06/03/2004 | US20040105777 Method for the production of a part of a rolling bearing |
| 06/03/2004 | US20040103962 Suitable as raw material steel sheets for molded products such as building members, mechanical structural parts, automobile structural parts |
| 06/02/2004 | EP1423547A1 An ultra high strength steel composition, the process of production of an ultra high strength steel product and the product obtained |
| 06/02/2004 | EP1354070B1 High-strength isotropic steel, method for making steel plates and resulting plates |
| 06/02/2004 | EP1199375B1 Non-refined steel being reduced in anisotropy of material and excellent in strength, toughness and machinability |
| 06/02/2004 | EP1017514B1 Method for working a metallic strip |
| 06/01/2004 | US6743311 Forging method |
| 06/01/2004 | US6743307 High resistance steel band or sheet and method for the production thereof |
| 06/01/2004 | US6743306 Steel sheet and method for manufacturing the same |
| 06/01/2004 | US6743304 Low core loss, formability such as punching property, rust resistance |
| 05/27/2004 | WO2004044252A1 Method for manufacturing high silicon grain-oriented electrical steel sheet with superior core loss property |
| 05/27/2004 | WO2004044251A1 Coating composition, and method for manufacturing high silicon electrical steel sheet using thereof |
| 05/27/2004 | US20040101432 High-strength micro-alloy steel |
| 05/27/2004 | US20040099355 Method of producing high-carbon steel pipe having superior cold workability and induction hardenability |
| 05/27/2004 | US20040099354 Austenitic steels formed by low temperature annealing, having creep resistance, high strength and tensile strength |
| 05/27/2004 | US20040099349 Heat treatment of alloys to form microstructure martensite and ferritic stainless steels, having tensile strength |
| 05/27/2004 | US20040099347 Electromagnets comprising ferritic or austenitic steels, for use as fuel controllers in internal combustion engines |
| 05/27/2004 | US20040099342 Casting alloys in the form of strips comprising silicon, carbon, iron and grain growth inhibitors selected from sulphides and/or selenides of manganese or copper and aluminum nitride; magnetism |
| 05/26/2004 | EP1420896A1 Method for processing a continuously cast metal slab or strip, and plate or strip produced in this way |
| 05/26/2004 | EP1420894A2 Device for processing a metal slab, plate or strip, and product produced using this device |
| 05/26/2004 | CN1500155A High strength and high ductility steel plate having hyperfine crystal grain structure produced by subjecting ordinary low carbon steel to low strain working and annealing,and method for prodn. thereof |
| 05/26/2004 | CN1151301C Method for producing superfine integrated ferrite grain and steel of retained austenite |
| 05/25/2004 | US6739384 Cooled in a manner whereby a grain growth inhibitor needed to develop the grain orientation by the process of secondary grain growth is precipitated as a finely and uniformly dispersed phase |
| 05/21/2004 | WO2004031418A3 Method for manufacturing products by means of deformation at increased temperatures |
| 05/20/2004 | US20040096352 Low carbon martensitic stainless steel and method for production thereof |
| 05/20/2004 | US20040096351 Cu-enriched particles with concentration of C not less than 0.1 mass % or concentration of Sn and/or In not less than 10 mass % are dispersed at a ratio of 0.2 vol. % or more in a ferritic matrix. |
| 05/20/2004 | US20040095052 Color CRT mask frame, a steel sheet used therefor and a manufacturing method for the steel sheet, and a color CRT equipped with the frame |
| 05/20/2004 | US20040094247 Aluminum-killed medium-carbon steel sheet for containers and process for its prepration |
| 05/20/2004 | US20040094240 Suitable for containers and piping elements for organic fuels such as gasoline, methanol and the like |
| 05/19/2004 | EP1420077A1 Inert material with high hardness for elements used at high temperature |
| 05/19/2004 | EP1420072A1 Process of making hot rolled strip for manufacturing non oriented electrical steel strip, hot strip and non-oriented electrical steel sheet thereby obtained |
| 05/19/2004 | EP1341937B1 Method for producing a hot rolled strip made of a steel comprising a high content of manganese |
| 05/19/2004 | EP1165276A4 Method of manufacturing metallic products such as sheet by cold working and flash annealing |
| 05/19/2004 | DE10315419B3 Production of screw springs or stabilizers made from steel comprises comparing the heating temperature over the rod lengths and maintaining between the rollers |
| 05/19/2004 | CN1498283A Steel wire excellent in descalability in mechanical descaling and method for production thereof |
| 05/19/2004 | CN1497057A Coating baking hardening type cold rolled plate with good ageing resistance and its manufacturing method |
| 05/19/2004 | CN1150064C Method and apparatus for manufacture of steel strip |
| 05/18/2004 | US6736910 For use as steering shaft and a drive shaft of automobiles |
| 05/18/2004 | CA2277392C Differential quench method and apparatus |
| 05/13/2004 | WO2004040031A1 METHOD FOR PRODUCING OXIDATION-RESISTANT HIGH Cr FERRITIC HEAT RESISTANT STEEL |
| 05/13/2004 | WO2004040025A1 Method for producing electrical steel exhibiting a high magnetic induction |
| 05/13/2004 | WO2004040024A1 Method for producing grain oriented magnetic steel sheet and grain oriented magnetic steel sheet |
| 05/13/2004 | WO2003038140A8 Steel sheet for vitreous enameling and method for producing the same |
| 05/13/2004 | US20040089701 Long-life heat-resisting low alloy steel welded component and method of manufacturing the same |
| 05/12/2004 | EP1418245A2 Long-life heat-resisting low alloy steel welded component and method of manufacture the same |
| 05/12/2004 | EP1159463B1 Mould steel |
| 05/12/2004 | EP0912768B1 Method for making an electric sheet steel with oriented grains for the manufacture of transformer magnetic circuits in particular |
| 05/12/2004 | CN1495379A Method for conveying pressurized liquefied natural gas from storage place to destination |
| 05/12/2004 | CN1495278A Production method of cold-rolled plate and hot-dip galvanized sheet steel with good strain-aged hardening characteristics |
| 05/12/2004 | CN1149297C Steel Plate to be precipitating Tin+Zrn for welded structures, method for mfg. same and welding fabric using same |
| 05/11/2004 | US6733601 Ferritic stainless steel sheet with excellent workability |
| 05/11/2004 | US6733599 Decarburization annealing followed by coating of annealing separator and final annealing, wherein alumina powder is used as annealing separator |
| 05/11/2004 | CA2232129C Non-oriented electromagnetic steel sheet and method for manufacturing the same |
| 05/06/2004 | WO2004038055A1 Alloy containing rare earth element, production method thereof, magnetostrictive device, and magnetic refrigerant material |
| 05/06/2004 | WO2004022793A3 Very high mechanical strength steel and method for making a sheet thereof coated with zinc or zinc alloy |
| 05/06/2004 | US20040084116 Ferritic stainless steel sheet having good workability and manufacturing method thereof |
| 05/06/2004 | US20040083595 Method of manufacturing a hollow shaft having a flange at one end thereof |
| 05/06/2004 | EP1416059A1 Base material for clad steel plate excellent in low-temperature toughness at weld heat-affected zone and method for producing the clad steel plate |
| 05/06/2004 | EP1415008A1 Non-grain oriented electric sheet steel or strip and method for the production thereof |
| 05/06/2004 | DE10247998A1 Verfahren zum Herstellen eines besonders gut verformbaren kaltgewalzten Stahlbands oder -blechs A process for producing a particularly good deformable cold rolled steel strip or sheet |
| 05/06/2004 | CA2448091A1 Long-life heat-resisting low alloy steel welded component and method of manufacturing the same |