Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
01/2004
01/21/2004EP1382717A1 Unidirectional silicon steel sheet excellent in adhesion of insulating coating film imparting tensile force
01/21/2004EP1382703A2 Steel pipe having low yield ratio
01/21/2004EP1382702A1 High-strength steel sheet having excellent workability and production process therefor
01/21/2004CN1135270C Continuous heating & cleaning method for metal filament and band products in layered fluidized bed
01/20/2004US6679957 Process for thermal treatment of steel strip
01/15/2004US20040007298 High-strength steel sheet having excellent workability and production process therefor
01/15/2004US20040007297 Hot-dip galvanized hot-rolled and cold-rolled steel sheets excellent in strain age hardening property
01/15/2004US20040007293 Cold rolling then aging by heating
01/15/2004US20040007291 Comprises ferric oxide source, injecting steam through ferric oxide source to infuse with cations, injecting steam into heated chamber housing laminated magnetic core, then oxidizing; dielectrics
01/15/2004US20040007290 Steel sheet for magnetic shields and manufacturing method thereof
01/15/2004US20040007289 For dielectrics; comprises soft iron/iron oxide core
01/14/2004EP1380663A1 Cold rolled ULC - steel sheet and method of producing the same
01/14/2004EP1379341A1 A method and a device for manufacturing of a closed profile and a profile manufactured according to said method
01/14/2004CN1468438A Co-mn-fe soft magnetic alloys
01/14/2004CN1134553C Fe-Ni alloy cathode cover semi-product with good etching perforation property and its preparing method
01/14/2004CN1134551C High-strength cold-rolled steel sheet with excellent geomagnetic shielding character, its producing method and use
01/14/2004CN1134550C Method for producing high-strength electroplating steel plate and plating steel plate with excellent geomagnetic shielding character
01/14/2004CN1134547C Method for controlling two-phase steel organization
01/13/2004US6676774 Hot rolled steel plate and cold rolled steel plate being excellent in strain aging hardening characteristics
01/13/2004US6676771 Method of manufacturing grain-oriented electrical steel sheet
01/13/2004US6675869 Cooled to transform strip from austenite to ferrite; roller milling; twin roll caster
01/08/2004WO2004003248A1 Process for producing aluminum material for electrolytic capacitor electrode, aluminum material for electrolytic capacitor electrode and electrolytic capacitor
01/08/2004WO2004003247A1 Super formable high strength steel sheet and method of manufacturing thereof
01/08/2004WO2004003241A1 Method for producing seamless steel pipe for inflator of air bag
01/08/2004WO2004003240A1 Method of manufacturing an implantable stent having improved mechanical properties
01/08/2004WO2004002673A1 Seam-welded air hardenable steel tubing
01/08/2004US20040003876 Having an as-hot rolled tensile strength of 400 to 450 MPa and generating no embrittlement in welded portions even when rapid heating and cooling is performed by electric resistance welding.
01/08/2004US20040003875 Producing low carbon steel strip in a continuous strip caster.
01/08/2004US20040003869 Steel material production method
01/08/2004CA2476546A1 Method for producing seamless steel pipe for inflator of air bag
01/07/2004EP1378580A1 Structural Fe-Cr steel sheet, manufacturing method thereof, and structural shaped steel
01/07/2004EP1378577A1 Process for heat treating cold rolled formable steel strip and steel strip thus obtained
01/07/2004EP1378313A1 Process for manufacturing and/or heat treatment of a composite material
01/07/2004CN1466633A Method for producing a hot rolled strip made of a steel comprising a high content of manganese
01/07/2004CN1466503A Method of producing steel strip
01/07/2004CN1466502A Production of thin steel strip
01/06/2004US6673171 Medium carbon steel sheet and strip having enhanced uniform elongation and method for production thereof
01/06/2004US6673170 Aluminum-killed medium-carbon steel sheet for containers and process for its preparation
01/06/2004US6673166 With less anisotropy, by an effect of niobium-containing precipitates on control of crystalline orientation
01/02/2004EP1375694A1 Hot-rolled steel strip and method for manufacturing the same
01/02/2004EP1375693A1 Grain oriented electromagnetic steel sheet exhibiting extremely small watt loss and method for producing the same
01/02/2004EP1375683A1 High strength steel tube for air bag and method for production thereof
01/02/2004EP1375681A2 High-strength high-toughness steel , method for producing the same and method for producing high-strength high-toughness steel pipe
01/02/2004EP1374655A2 A steel plate and a hot dip galvanizing steel plate having superior electric and magnetic shielding property
01/02/2004EP1373590A1 Ultra-high-strength precipitation-hardenable stainless steel and elongated strip made therefrom
01/02/2004EP1373589A1 Steel and steel tube for high-temperature use
01/02/2004EP1372754A1 Radiopaque alloy stent
01/01/2004US20040000361 Drawing tube; heating; cooling; cold working
12/2003
12/31/2003WO2004001084A1 High-strength cold rolled steel sheet and process for producing the same
12/31/2003WO2004001083A1 Steel for crude oil tank and method for manufacture thereof, crude oil tank and method for protecting corrosion thereof
12/31/2003WO2004001076A1 Oil well steel pipe excellent in crushing resistance characteristics after pipe expansion
12/31/2003WO2004001075A1 Method for producing electric steel
12/31/2003CN1464915A Thin alloy sheet of low thermal expansion and shadow mask using the same
12/31/2003CN1464914A Unidirectional silicon steel sheet of ultra low iron loss and method for production thereof
12/31/2003CN1463811A Method for production of non-oriented electrical steel
12/31/2003CN1132960C 耐污染的研磨加工不锈钢板及其制造方法 Resistant to pollution of polished stainless steel sheet and manufacturing method thereof
12/31/2003CN1132958C High-performance refractory weather-resisting building steel and its production method
12/31/2003CN1132956C Color kinescope
12/31/2003CA2490700A1 Oil country tubular goods excellent in collapse characteristics after expansion and method of production thereof
12/30/2003US6669789 Method for producing titanium-bearing microalloyed high-strength low-alloy steel
12/30/2003CA2236440C Method for steckel mill operation
12/24/2003WO2003106726A1 Steel sheet for vitreous enameling and production method
12/24/2003WO2003106723A1 High strength cold rolled steel plate and method for production thereof
12/24/2003WO2003106722A1 Heat-resistant ferritic stainless steel and method for production thereof
12/24/2003WO2003106719A2 Apparatus and method for thermomechanically forming an aluminide part of a workpiece
12/24/2003CN1463301A Electromagnetic sheet having insulating coating and insulating coating
12/24/2003CN1463297A Highly stable, steel and steel strips or steel sheets cold-formed, method for prodn. of steel strips and uses of said steel
12/23/2003US6667105 Aluminum phosphate solution, acid-soluble emulsion type acrylic-styrenic copolymer resin, zinc nitrate, silicon additive, ethylene glycol and a nonionic surfactant
12/23/2003US6667005 For use in shafts of machines such as printers
12/23/2003US6666932 Suitable for automotive chassis parts
12/23/2003US6666929 Process for the improvement of the magnetic characteristics in grain oriented electrical silicon steel sheets by laser treatment
12/23/2003CA2299430C Metallurgical method for processing nickel- and iron-based superalloys
12/18/2003WO2003104499A1 Method for producing cold rolled steel plate of super high strength
12/18/2003WO2003104497A1 Method and device for continuous annealing metallic ribbons
12/18/2003US20030231976 Austenitic stainless steel tube consists of prefered mass % of carbon, silicon, manganese, chromium, nickel, titanium, niobium, aluminum, nitrogen, oxygen and balance iron and impuriites; high temperature strength, corrosion resistance
12/18/2003US20030230366 Apparatus and method for thermomechanically forming an aluminide part of a workpiece
12/17/2003EP1371743A1 Electric welded steel tube for hollow stabilizer
12/17/2003EP1371737A1 Process and device for manufacturing steel wire or rod
12/17/2003CN1462318A High manganese deplex stainless steel having superior hot workabilities and method for manufacturing thereof
12/17/2003CN1462317A Steel plaster excellent in shape freezing property and method for production thereof
12/17/2003CN1462315A Method for producing unidirectional silicons steel sheet free of inorganic mineral coating film
12/17/2003CN1131532C Orientationless electric steel plate with fine magnetic performance and manufacturing method thereof
12/17/2003CN1131333C Serial high-magnetic induction non-orieted electrical steel and production method
12/17/2003CN1131323C Method for producing superfine texture steel
12/17/2003CN1131116C Method for manufacturing components made of steel
12/16/2003US6663984 Clad steel rolled section for reinforcing concrete and method of production
12/16/2003US6663981 Marker for use in a magnetic anti-theft security system and method for marking the marker
12/16/2003US6663976 Laminate articles on biaxially textured metal substrates
12/16/2003US6663730 Maraging steel and process for manufacturing a strip or a part cut out of a strip of cold-rolled maraging steel
12/16/2003US6663725 High strength steel sheet and method for manufacturing the same
12/11/2003US20030226625 Aircraft; corrosion resistance, high strength
12/11/2003US20030226618 Heat treatment in channel with transverse projection for heat contact
12/10/2003EP1368504A2 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels
12/10/2003EP1368144A1 Stainless steel wire and method for producing a wire with improved resistance to corrosion
12/10/2003CN1461357A Unidirectional silicon steel sheet excellent in adhesion of insulating coating film imparting tensile force and its mfg. method
12/10/2003CN1461352A Process for control of inhibitors distribution in production of grain oriented electrical steel strips
12/09/2003US6660109 Method of manufacturing aluminide sheet by thermomechanical processing of aluminide powders
12/09/2003US6660105 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
12/04/2003US20030221753 Super fine granular steel pipe and method for producing the same
12/04/2003DE10221793C1 Nichtkornorientiertes Elektroband oder -blech und Verfahren zu seiner Herstellung A non-oriented electrical steel strip or steel sheet and process for its preparation