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