Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
11/2004
11/23/2004CA2217822C Structures having enhanced biaxial texture and method of fabricating same
11/18/2004WO2004099457A1 Tole d'acier magmetique non orientee excellente du point de vue des pertes de fer, et son procede de production
11/18/2004WO2004073899A3 Rolled product in aluminium or stainless steel
11/18/2004US20040226634 High-strength stainless steel sheet and method for manufacturing the same
11/17/2004EP1477574A2 High-strength stainless steel sheet and method for manufacturing the same
11/17/2004CN1547620A Steel plate exhibiting excellent workability and method for producing the same
11/17/2004CN1546715A Medium and high-carbon steel shaft parts of ultra-fine crystal grain and its production technology
11/16/2004US6818079 Rough-rolling a steel consisting of 0.04-0.2% c, 0.25-2% si, 0.5-2.5% mn, and 0.1% or less al followed by finish-rolling at 1050 degrees c. or less
11/16/2004US6818074 Hot rolling, cold rolling
11/16/2004US6818073 Method of producing steel strip
11/16/2004US6818072 Creep resistance; ductility
11/11/2004US20040221928 Aluminum-killed medium-carbon steel sheet for containers and process for its preparation
11/10/2004EP1254275A4 STEEL PLATE TO BE PRECIPITATING TiN + ZrN FOR WELDED STRUCTURES, METHOD FOR MANUFACTURING THE SAME AND WELDING FABRIC USING THE SAME
11/10/2004EP1169485A4 Ultra-high strength ausaged steels with excellent cryogenic temperature toughness
11/10/2004EP1123420B1 Process for thermal treatment of steel strip
11/10/2004CN1544681A Process for preparing Fe3Si base alloy sheet containing B, Ti, Zr and V
11/10/2004CN1544680A High silicon steel and method for preparing same
11/09/2004US6814819 Press forming; hot and col rolling; annealing; high strength; automobile bodies
11/09/2004US6814817 Steel strap composition
11/09/2004CA2306887C Simple ladle refining method
11/04/2004WO2004094681A1 High strength hot-rolled steel plate
11/04/2004US20040219051 Net shaping gear teeth for high performance automotive power transmission; heating above critical temperature and quenching faster than critical cooling rate; rolling between opposed dies having profiled surfaces for densification, plastic deformation and strengthening; cooling to harden
11/03/2004EP1473376A1 High strength steel plate and method for production thereof
11/03/2004EP1473375A1 Steel wire excellent in descalability in mecanical descaling and method for production thereof
11/03/2004EP1473371A2 Process for manufacturing non grain-oriented magnetic steel sheet and sheet obtained by this process
11/03/2004EP1472383A2 Precipitation hardenable austenitic steel
11/03/2004EP1339889A4 STEEL PLATE TO BE PRECIPITATING TiN+CuS FOR WELDED STRUCTURES, METHOD FOR MANUFACTURING THE SAME, WELDING FABRIC USING THE SAME
11/03/2004EP1337678A4 Steel plate to be precipitating tin+mns for welded structures, method for manufacturing the same and welding fabric using the same
11/03/2004EP1337362A4 A method of producing steel strip
11/03/2004EP1326725A4 Production of thin steel strip
11/03/2004CN1542145A Method for producing roller-drawn thermomechanical strengthened steel wire and roller-drawing device
11/03/2004CN1174109C Superthin steel strip for battery casing, and producing method thereof
11/03/2004CN1173674C Multilayer composite tubular structure and method of making
11/02/2004US6811900 Applying multilayer coatings comprising titanium oxynitride and silicon nitride to surfaces of alloys; stabilization
11/02/2004US6811624 Method for production of dual phase sheet steel
11/02/2004US6811619 Hot rolling, cold rolling, annealing, crystallization
10/2004
10/28/2004WO2004092434A1 Steel material with excellent rolling fatigue life and method of producing the same
10/28/2004WO2004092433A1 High strength and high magnetic permeability steel sheet for cathode ray tube band and method for production thereof
10/28/2004WO2004092424A1 Heat treating method for steel wire
10/28/2004WO2004092423A1 Method for the production of a collar for installing an underwater pipeline and the product thus obtained
10/28/2004WO2003076676A8 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels
10/28/2004US20040211495 Dual phase steel strip suitable for galvanizing
10/28/2004US20040211064 Method for manufacturing a structural member of a vehicle
10/27/2004EP1471161A1 A stainless steel sheet having Cu-enriched grains dispersed in its matrix and/or a Cu-condensed layer
10/27/2004EP1470869A1 Method for producing coated steel sheet
10/27/2004EP1469954A1 Method and installation for producing a hot rolled strip from austenitic rust-resistant steels
10/27/2004EP1436433A4 Method of producing (110) 001] grain oriented electrical steel using strip casting
10/27/2004EP1397527B1 Grain oriented electric sheet of metal with an electrically insulating coating
10/27/2004EP1373589B1 Steel and steel tube for high-temperature use
10/27/2004EP1313886B1 Process for the control of inhibitors distribution in the production of grain oriented electrical steel strips
10/27/2004EP1144698A4 Ultra-high strength triple phase steels with excellent cryogenic temperature toughness
10/27/2004CN1541279A Method for strengthening steel channel member
10/27/2004CN1540024A Hot-rolled steel strip for high strength electric resistance welding pipe and mfg. method thereof
10/27/2004CN1540003A Metastable austenitic stainless steels
10/27/2004CN1173062C 滚动轴承部件 Rolling Parts
10/27/2004CN1173048C Method and installation for producing dual-phase steel
10/26/2004US6808678 Comprising iron, carbon, silicon, manganese, phosphorus, sulfur, aluminum, nitrogen, and boron
10/26/2004CA2353492C Hot-dip galvanized high-strength steel sheet having superior workability and galvanizability and method for producing the same
10/26/2004CA2223656C Stainless steel wire and process for manufacturing
10/21/2004US20040206427 Austenitic stainless steel and manufacturing method thereof
10/21/2004US20040206426 Quenched and tempered steel wire with excellent cold forging properties
10/20/2004EP1469093A1 Steel wire for heat-resistant spring, heat-resistant spring and method for producing heat-resistant spring
10/20/2004EP1469088A2 Method for manufacturing non-oriented electrical steel sheet having high magnetic flux density
10/20/2004EP1225241B1 Steel sheet for porcelain enamel excellent in forming property, aging property and enameling characteristics and method for producing the same
10/20/2004CN1537968A Production method of yield strongth 460 MPa grade low alloy high strength structure steel plate
10/20/2004CN1537967A Preparaton method of low carbon 520 MPa grade composite fortified ultra fine crystal grain band steel
10/20/2004CN1537966A Low carbon 520MPa grade composite fortified ultra fine crystal grain band steel
10/20/2004CN1537965A Low carbon 420 MPa grade composite fortified ultr-fine crystal grain band steel
10/20/2004CN1537964A Preparation method of low carbon 42MPa grade composite fortified ultrafine crystal grain band steel
10/20/2004CN1537957A Method for manufacturing unoriented electrical steel disc with high magnetic-flux density
10/20/2004CN1172017C Ferritic stainless steel with excellent machinability and production thereof
10/19/2004US6806631 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
10/19/2004CA2313535C Process and device for producing a ferritically rolled steel strip
10/14/2004WO2004087977A1 Steel for spring being excellent in resistance to setting and fatigue characteristics
10/14/2004WO2004087968A2 Method for the thermomechanical treatment of steel
10/14/2004WO2004087367A2 Method for producing helical springs or stabilisers
10/14/2004WO2004072308A3 Fine-grained martensitic stainless steel and method thereof
10/14/2004WO2004058482A3 Method for increasing a fatigue strength of a metallic component, which is provided with at least one cavity, while subjecting it to a cyclic inner pressure load
10/14/2004US20040202567 Steel for use in high strength pinion shaft and manufacturing method thereof
10/14/2004US20040200548 Method for manufacturing non-oriented electrical steel sheet having high magnetic flux density
10/14/2004CA2519764A1 Method for producing helical springs or stabilisers
10/13/2004EP1466024A1 Method for the production of a siderurgical product made of carbon steel with a high copper content, and siderurgical product obtained according to said method
10/13/2004EP1399598B1 Method for producing high-strength cold-formed steel products from a hot rolled strip, said products exhibiting good malleability
10/13/2004EP1368144B1 Method for producing a wire with improved resistance to corrosion
10/13/2004EP1355747B1 Method for altering the profile of a roller strip
10/13/2004CN1170954C Steel plate, hot-dip steel plate and alloyed hot-dip steel plate and prodn. methods therefor
10/13/2004CN1170951C Resin cladded steel plate for thin wall-type tensile can and its used steel plate
10/13/2004CN1170947C Method for manufacturing high strength bolt excellent in resistance to delayed fracture and relaxation
10/12/2004US6803712 Cold rolled steel sheet comprising carbon, silicon, manganese, phosphorus, sulfur, aluminum, nitrogen, boron, and iron; image receiving tubes; etching, uniform within same coil, press formability
10/12/2004US6803118 Marker for use in a magnetic anti-theft security system
10/07/2004WO2004085691A1 High strength hot rolled steel sheet excelling in bore expandability and ductility and process for producing the same
10/07/2004WO2004085685A1 Process for producing high-strength spring
10/07/2004DE10311215A1 Production of a grain-orientated electric sheet or strip comprises using primary crystallization annealing and secondary crystallization annealing directly after each other after cold rolling to a final thickness
10/07/2004CA2520022A1 High-strength hot-rolled steel sheet excellent in hole expandability and ductility and production method thereof
10/06/2004EP1464712A1 Method for producing grain-oriented silicon steel plate with mirror surface
10/06/2004EP1268119B1 Method for producing a welding pin
10/06/2004EP0910675B1 Hot-rolled steel strip and method of making it
10/06/2004CN1535323A Multi-phase steel sheet excellent in hole expandability and method of producing the same
10/06/2004CN1169991C Thin steel plate with good machining performance and formed precision and its mfg. method
10/05/2004US6800147 High-strength steel wire excelling in resistance to strain aging embrittlement and longitudinal cracking, and method for production thereof