Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
02/2007
02/01/2007WO2007013503A1 Seamless steel pipe and method for producing same
02/01/2007WO2007013429A1 Process for producing seamless steel pipe
02/01/2007US20070023113 Dual-phase steel sheet excellent in stretch flange formability and production method thereof
02/01/2007US20070023103 casting a steel slab from said steel melts, then heating, hot rolling and annealing
01/2007
01/31/2007CN1904121A Tungsten aluminium containing bainite forged steel special for railroad frog
01/31/2007CN1904115A Production method of 450MPa grade cold rolled magnetic pole steel
01/31/2007CN1904114A Production method of 350 MPa grade cold rolled magnetic pole steel
01/31/2007CN1904113A Production method of 250 MPa grade cold rolled magnetic pole steel
01/31/2007CN1297681C Atmosphere corrosion resisting steel plate having high strength and excellent bending formability and method for production thereof
01/30/2007US7169479 Grain-oriented magnetic steel sheet comprising an electrically insulating coating
01/30/2007US7169244 Process for manufacturing steel strip with low aluminum content for containers
01/30/2007US7169243 Cold rolling of hot rolled steel sheets containing carbon, aluminum, manganese, nitrogen and iron, continuous annealing above pearlitic transformation temperature, holding, and then rapid cooling; use as food, nonfood and industrial containers
01/30/2007CA2267363C Cold-rolled thick sheet steel with good deep drawability, and method for producing it
01/25/2007WO2007010772A1 Bearing device for wheel
01/24/2007EP1746175A1 Super high strength uoe steel pipe and method for production thereof
01/24/2007CN1902333A Ferritic cr-containing steel
01/24/2007CN1902330A Low carbon alloy steel tube having ultra high strength and excellent toughness at low temperature and method of manufacturing the same
01/24/2007CN1900346A Heat treatment, swaging and nitriding process for heat resistance steel
01/24/2007CN1296507C High-tensile strength hot-rolled steel sheet excellent in elongation properties and stretch flangeability and producing method thereof
01/24/2007CN1296498C In-line recrystallization process for the solidified coarse strips of carbon steel and in low-alloyed steel and so obtainable strips having a highly checked microstructure
01/24/2007CN1296154C Reinforced member
01/18/2007WO2007007497A1 Hot forging equipment
01/18/2007WO2007007423A1 Non-oriented electromagnetic steel sheet and process for producing the same
01/18/2007WO2006128050B1 Razor blades and compositions and processes for the production of razor blades
01/18/2007WO2006071502B1 Composition and process for enhanced properties of ferrous components
01/18/2007US20070012386 High strength steel plate and method for manufacturing the same
01/18/2007US20070012384 Process for producing tempered steel motor vehicle parts
01/17/2007EP1743950A1 Seamless steel pipe and method for production thereof
01/17/2007EP1165276B1 Method of manufacturing metallic products such as sheet by cold working and flash annealing
01/17/2007CN1295353C Production method of sheet steel with good strain-aged hardening characteristics
01/11/2007WO2007003725A1 Austenitic stainless steel strip having a bright surface finish and excellent mechanical properties
01/11/2007WO2007003109A1 Once-cold-rolled steel strip for shadow mask and its manufacture process
01/11/2007WO2003000937A3 Heat treatment method for a cold-rolled strip with an ni and/or co surface coating, sheet metal producible by said method and battery can producible by said method
01/10/2007EP1741800A1 Steel sheet for can and method for production thereof
01/10/2007EP1741795A1 Corrosion-resisting and wear-resisting alloy and device using the same
01/10/2007CN1891844A Sheet slab process low-carbon high-manganese oriented electrotechnical steel sheet, and its manufacturing method
01/10/2007CN1891395A Induction hardened blade
01/10/2007CN1294291C Process for producing aluminum material for electrolytic capacitor electrode, aluminum material for electrolytic capacitor electrode and electrolytic capacitor
01/10/2007CN1294288C Mechanical structure steel, method for hot-shaping the steel part and part therefrom
01/09/2007US7160399 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels
01/09/2007CA2380377C Cold-rolled steel sheets with superior strain-aging hardenability
01/04/2007WO2007001057A1 High-strength wire rod excelling in wire drawing performance and process for producing the same
01/04/2007WO2007001054A1 High-strength wire rod excelling in wire drawing performance and process for producing the same
01/04/2007WO2007000888A1 Hot-forged products excellent in fatigue strength, process for production thereof, and machine structural parts
01/04/2007WO2007000109A1 Soft blackplates for tinning and production method for the same
01/04/2007WO2007000108A1 Soft blackplates with hardness hr30t of 51±3 for tinning and production method for the same
01/03/2007EP1739200A1 Strip made of stainless austenitic steel with bright surface and excellent mechanical properties
01/03/2007EP1319091B1 Method for producing a steel strip or sheet consisting predominantly of mn-austenite
01/03/2007CN1890394A Steel product for structural member of automobile and method for production thereof
01/03/2007CN1890390A Method for annealing grain-oriented electromagnetic steel sheet and method for producing grain-oriented electromagnetic steel sheet
01/03/2007CN1890389A Steel sheet for containers, and manufacturing method therefor
01/03/2007CN1888120A Ultra-high strength steel with excellent corrosion resistance and fatigue resistance and its making process
01/03/2007CN1888118A Cold rolled strip steel for shadow mask and its making process
01/03/2007CN1888116A High hardness and high wear resistance no-magnetism bearing steel
01/03/2007CN1888115A Soft magnetic structural steel resisting salt fog corrosion and its making process
01/03/2007CN1888112A High magnetic induction and high grad non-orientation electrical steel and its making process
01/03/2007CN1888111A Non-orientation electrical steel and its making process
01/03/2007CN1292847C Method and installation for producing a hot rolled strip from austenitic rust-resistant steels
12/2006
12/28/2006WO2006137460A1 High-strength self-tapping screw and process for producing the same
12/27/2006EP1736562A1 Thick high strength steel plate having excellent low temperature toughness in welding heat affected zone caused by high heat input welding
12/27/2006EP1735473A1 Plants for annealing metal straps
12/27/2006CN1886531A Steel product excellent in fatigue characteristics and method for production thereof
12/27/2006CN1886530A High tensile steel excellent in toughness of welded zone and offshore structure
12/27/2006CN1292089C Steel sheet for vitreous enameling and method for producing the same
12/21/2006WO2005123975A3 Steel with high mechanical strength and wear resistance
12/21/2006US20060283529 Apparatus and Method of Producing Net-Shaped Components from Alloy Sheets
12/20/2006EP1734143A1 Ferritic stainless steel sheet excellent in formability and method for production thereof
12/20/2006EP1734142A1 Corrosion-resistant steel excellent in toughness of base metal and weld and process for producing the same
12/20/2006EP1733062A1 Method for producing a component by reshaping a plate, and device for carrying out said method
12/20/2006EP1423547B1 An ultra high strength steel composition, the process of production of an ultra high strength steel product and the product obtained
12/20/2006CN1880497A Dedicated tungsten-containing bainite forged steel for railway frog crossing
12/20/2006CN1291056C High-strength and toughness steel for conveying pipeline manufacturing method
12/20/2006CN1291046C Process for making double peak grain size distributed superfine grain structure from 20CrMnTi steel
12/19/2006CA2288426C Hot rolled steel sheet having an ultrafine grain structure and process for producing steel sheet
12/14/2006WO2006132095A1 Grain-oriented magnetic steel sheet with extremely high magnetic property and process for producing the same
12/13/2006EP1731626A1 High-rigidity high-strength thin steel sheet and method for producing same
12/13/2006EP1731625A1 Steel wire for spring
12/13/2006EP1730317A1 A method for producing high-carbon steel rails excellent in wear resistance and ductility
12/13/2006CN2846432Y Gear heat treating device
12/13/2006CN1876875A Rare earth molybdenum alloy wire and preparation method thereof
12/13/2006CN1876874A Mo-La-Ce rare earth molybdenum alloy wire and preparation method thereof
12/13/2006CN1289694C Method of continuously casting electrical steel strip with controlled spray cooling
12/12/2006US7147730 High carbon steel and production method thereof
12/12/2006US7147726 Surface nanocrystallization by ball milling including setting in a circular motion a quantity of perfectly spherical balls in a chamber, at least one of whose walls supports or is the metal piece to be treated and imparting a vibrating motion perpendicular to the plane of the circulation motion
12/12/2006CA2228846C Raw material for magnetic shield, production method thereof, and color television receiver
12/07/2006WO2006129827A1 High tensile steel product excellent in delayed fracture resistance and method for production thereof
12/07/2006WO2006071502A3 Composition and process for enhanced properties of ferrous components
12/06/2006EP1728885A1 A grain-oriented electrical steel sheet and method for producing the same
12/06/2006EP1648630B1 Thermo-electromechanical process and system for coiling and uncoiling an in-line hot rolled pre-strip from thin slab continuous casting
12/06/2006EP1191114B1 High tensile hot-rolled steel sheet having excellent strain aging hardening properties and method for producing the same
12/06/2006CN1875124A Thin steel sheet excelling in surface property, moldability and workability and process for producing the same
12/06/2006CN1875122A Stainless steel wire, spring, and method for producing spring
12/06/2006CN1288358C Method for improving anti-slackness of steel bolt
12/06/2006CN1288270C Cooled and tempered bainite steel part and its mfg. process
12/06/2006CN1288268C Hot-rolled steel sheet with good ultra low temperature toughness and the method of producing the same
12/06/2006CN1287931C Method of producing steel strips
11/2006
11/30/2006WO2006128050A1 Razor blades and compositions and processes for the production of razor blades
11/30/2006WO2006126660A1 Grain oriented electromagnetic steel sheet having excellent film adhesion and process for producing the same
11/30/2006WO2005078143A8 Method for producing a three-dimensionally formed armouring component for vehicle bodies
11/30/2006US20060266448 Seamless steel pipe for oil wells excellent in sulfide stress cracking resistance and method for producing the same