Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
06/2000
06/07/2000EP1006203A1 Can steel strip and method of producing can steel strip
06/07/2000EP0700451B1 Process for manufacturing high manganese hot rolled steel sheet without any crack
06/07/2000EP0693570B1 Bainite rod wire or steel wire for wire drawing and process for producing the same
06/07/2000EP0674720B1 Cold formed high strength steel parts
05/2000
05/31/2000EP1004680A1 Method of making grain-oriented magnetic steel sheet having low iron loss
05/31/2000EP1004679A1 Non-oriented electromagnetic steel sheet having insulating film excellent in film properties, method for producing same, and insulating film-forming agent used for producing the same
05/31/2000EP0972087A4 High-tensile-strength steel and method of manufacturing the same
05/31/2000EP0693571B1 Bainite rod wire or steel wire for wire drawing and process for producing the same
05/31/2000EP0693569B1 Bainite rod wire or steel wire for wire drawing and process for producing the same
05/31/2000EP0607440B1 Process for producing a grain-orientated electical steel sheet having mirror surface
05/31/2000CN1255168A Invar alloy steel sheet material for shadow mask, method of production thereof, shadow mask and color picture tube
05/31/2000CN1254767A Steel band for pots and its manufacture method
05/31/2000CN1254765A Electric steel sheet with better deformability and magnetic properties and its making method
05/30/2000US6068708 Producing a slab of given composition; hot rolling into a strip with finishing temperature in the ferrite region, coiling at temperature so no annealing occurs, cold rolling, batch annealing and temper rolling the strip
05/30/2000CA2192833C Production method of steel pipe excellent in corrosion resistance and weldability
05/30/2000CA2040245C Method of producing grain oriented silicon steel sheets having less iron loss
05/24/2000EP1002884A1 Cold rolled steel plate of excellent moldability, panel shape characteristics and denting resistance, molten zinc plated steel plate, and method of manufacturing these steel plates
05/24/2000CN1254021A Grain-oriented silicon-iron plate with excellent tectorial memebrane property and magnetic property
05/24/2000CN1254020A Orientation silicon-iron sheet with excellent magnetic property and its production method
05/23/2000US6066212 Ultra-high strength dual phase steels with excellent cryogenic temperature toughness
05/23/2000CA2183441C Fine graphite uniform dispersion steel excellent in cold machinability, cuttability and hardenability, and production method for the same
05/17/2000EP1001043A1 Martensitic stainless steel parts and method for producing the same
05/17/2000EP1001042A1 Electrical sheet of excellent magnetic characteristics and method of manufacturing the same
05/17/2000EP1001041A1 Hot rolled steel sheet having an ultrafine grain structure and process for producing steel sheet
05/17/2000EP0786533B1 Steel plate having low welding strain and good bending workability by linear heating and method for producing the same, and welding material and method for producing the same
05/17/2000EP0769073B1 Cold formed high-strength steel structural members
05/17/2000CN1253658A Ultralow-iron-loss grain oriented silicon steel plate and process for producing same
05/16/2000US6063216 Working of a metallic strip
05/16/2000US6063214 Good workability
05/16/2000US6062055 Rolling method for thin flat products and relative rolling line
05/16/2000CA2135255C Cold deformable, high strength, hot rolled bar and method for producing same
05/16/2000CA2020721C Rolling stand with multiple rolls supported as cantilevers for high-speed rolling
05/11/2000WO2000026428A1 Cr-mn-ni-cu austenitic stainless steel
05/11/2000WO2000026427A1 Steel, use of the steel, product made of the steel and method of producing the steel
05/11/2000CA2348909A1 Cr-mn-ni-cu austenitic stainless steel
05/10/2000EP0999288A1 Steel sheet for can and manufacturing method thereof
05/10/2000EP0998587A1 Method for producing grain oriented electric sheets and use of a steel for electric sheets
05/10/2000EP0830218A4 Structures having enhanced biaxial texture and method of fabricating same
05/10/2000EP0785876B1 Stainless steel wire for reinforcing the upper part of tire casings
05/10/2000EP0753596B1 Weldable high-tensile steel excellent in low-temperature toughness
05/09/2000US6060180 Alloy having high corrosion resistance in environment of high corrosiveness, steel pipe of the same alloy and method of manufacturing the same steel pipe
05/09/2000US6060172 Fe-based rapidly quenched metal strip
05/03/2000EP0997548A1 High strength hot rolled steel sheet excellent in formability
05/03/2000EP0997540A1 Electromagnetic steel sheet and process for producing the same
05/03/2000EP0996750A1 Method of manufacturing cold rolled steel sheet excellent in resistance to natural aging and panel properties
05/03/2000EP0655959B1 Apparatus and method for precision gear finishing by controlled deformation
05/03/2000CN1252106A Ferromagnetic amorphous metallic alloy and annealing method
05/03/2000CN1252105A Production of highly resistant, very ductile steel strip
05/03/2000CN1251865A Wire materials with high drawable property and manufacture thereof
05/02/2000US6056833 Thermomechanically controlled processed high strength weathering steel with low yield/tensile ratio
05/02/2000US6056832 Hot and cold rolling; recrystallization annealing; cold re-rolling to reduce thickness; drawing, pressing
04/2000
04/26/2000EP0995806A1 Martensitic stainless steel tube and method for manufacturing the same
04/26/2000CN1251622A Steel and process for manufacture of part for ball bearing
04/26/2000CN1251621A Unidirectional magnetic steel sheet and method of its manufacture
04/25/2000US6053996 Method for the manufacture of a strip of formable steel
04/25/2000CA2009366C Alloy steel tire cord and its heat treatment process
04/20/2000DE19838673C1 Verfahren zur Herstellung hochfester und hochzäher Stahlprofilrohre und Anlage zu dessen Durchführung Process for the preparation of high-strength and high toughness steel tubes and profile system for its implementation
04/19/2000EP0994198A1 Steel for the manufacture of car bumpers
04/19/2000EP0691412B1 Method of manufacturing stainless steel sheet of high corrosion resistance
04/19/2000CN1251140A Dual-phase high-strength steel sheet having excellent dynamic deformation properties, and process for preparing same
04/19/2000CN1250819A Steel with durable coatings,and method for mfg. same
04/18/2000US6051085 Using a twin drum type continuous casting apparatus
04/12/2000EP0992591A2 Grain-oriented electrical steel sheet and production method thereof
04/12/2000CN1051259C Method and apparatus for rolling of belt steel from blocks continuously casted
04/11/2000US6048491 Steel alloy, steel product and use thereof
04/11/2000US6048418 Ring forming apparatus and heat treating process
04/11/2000US6048416 Steel, steel wire, and process for forming drawn wire of steel
04/06/2000WO2000018973A1 Method for processing billets out of metals and alloys and the article
04/05/2000EP0990709A1 Apparatus and method for precision gear finishing by controlled deformation
04/05/2000CN1249786A High-strength cold rolled steel sheet and high-strength plated steel sheet which have excellent geomagnetism shielding characteristics, and method of mfg. them
04/04/2000US6045633 Steel holder block for plastic molding
04/04/2000US6045630 High-toughness, high-tensile-strength steel and method of manufacturing the same
04/04/2000US6045627 Siliconizing a low silicon steel sheet in nonoxidizing gas and silicon tetrachloride(sicl4), sicl4-free heat treatment, cooling at given rate; grain boundaries, carbide precipitated on boundaries; high silicon steel sheet with good workability
03/2000
03/29/2000EP0989196A1 High-strength heat-resistant steel, process for producing high-strength heat-resistant steel, and process for producing high-strength heat-resistant pipe
03/29/2000EP0777756B1 Duplex stainless steel, and its manufacturing method
03/29/2000CN1249008A Process for the inhibition control in the production of grain-oriented electrical sheets
03/29/2000CN1249007A Process for the inhibition control in the production of grain-oriented electrical sheets
03/29/2000CN1249006A High-tensile-strength steel and method of manufacturing the same
03/28/2000US6042952 Extremely-thin steel sheets and method of producing the same
03/23/2000WO2000016346A1 Production method for semirigid magnetic material and semirigid material and magnetic marker using it
03/23/2000WO2000015854A1 Process for thermal treatment of steel strip
03/23/2000WO2000015362A1 Method and device for producing hot-rolled strips and plates
03/23/2000CA2308204A1 Production method for semirigid magnetic material and semirigid material and magnetic marker using it
03/22/2000EP0987343A1 Grain-oriented silicon steel sheet and process for production thereof
03/22/2000EP0987342A1 High strength non-magnetic stainless steel and method for producing the same
03/22/2000EP0987341A1 Silicon steel sheet and method for producing the same
03/22/2000EP0987340A1 High strength phosphorus-containing steel and method for producing the same
03/22/2000EP0789093B1 Process for producing directional electrical sheet excellent in glass coating and magnetic properties
03/22/2000EP0708183B1 High-carbon steel rod wire or steel wire excellent in workability in wire drawing and process for producing the same
03/22/2000CN1248156A Multilayer composite tubular structure and method of making
03/22/2000CN1050639C Iron/nickel alloy shadow mask
03/21/2000US6039818 Grain-oriented electromagnetic steel sheet and process for producing the same
03/16/2000WO2000014292A1 Stainless steel for engine gasket and production method therefor
03/16/2000WO2000014288A1 Method for producing cold-rolled bands or sheets
03/16/2000WO2000003042B1 Method and apparatus for producing martensite- or bainite-rich steel using steckel mill and controlled cooling
03/16/2000WO1999057328A3 Heat treatment and forge for very high carbon martensitic stainless steels for the production of infibered structures
03/16/2000DE19841295A1 Steel thermomechanical treatment, especially for torsion-loaded spring element production, comprises deformation under dynamic and/or static austenite recrystallization conditions and martensitic quenching
03/16/2000DE19840788A1 Verfahren zur Erzeugung von kaltgewalzten Bändern oder Blechen A process for producing cold-rolled strips or sheets
03/16/2000CA2342934A1 Method for producing cold-rolled bands or sheets
03/15/2000EP0985743A1 Method of forming an insulating film on a magnetic steel sheet