Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
07/2008
07/30/2008EP1948834A2 Method and device for the continuous creation of a bainite structure in a carbon steel, especially a strip steel
07/30/2008EP1948387A1 Nozzle for emitting solid carbon dioxide particles with an axially displaceable valve member; apparatus for cooling a heated weld zone with such a nozzle; welding apparatus with such cooling apparatus
07/30/2008CN201092581Y Thick-walled tube and round ingot frequency-changing induction heat-treatment apparatus
07/30/2008CN201092580Y Fine details slide track type quenching device
07/30/2008CN101233256A Layered fe-based alloy and process for production thereof
07/30/2008CN101233253A Seamless steel pipe and method for producing same
07/30/2008CN101233249A Laser rounding and flattening of cylindrical parts
07/30/2008CN101233248A Electromagnetic steel sheet component and method for manufacture thereof
07/30/2008CN101233247A Steel members, method for heat treatment of the same, and process for production thereof
07/30/2008CN101233246A Device for cooling a metal strip
07/30/2008CN101233245A Method for producing seamless steel pipe
07/30/2008CN101230444A High-strength micro-alloy low-carbon bainite steel and production method thereof
07/30/2008CN101230437A Alloyed hot galvanizing bake hardening steel and method for manufacturing same
07/30/2008CN101230414A Large-scale cold roller surface heat-treatment equipment
07/30/2008CN101229619A Method of preparing high strength magnesium sheet alloy
07/30/2008CN101229615A Method of manufacturing bit tool used for cutting plastic film particle
07/30/2008CN101229558A Method of producing dark face narrow stainless steel band
07/30/2008CN101229557A Method of producing three-quarter hard state 304 narrow stainless steel band
07/30/2008CN101229556A Method of producing three-quarter hard state 301 narrow stainless steel band
07/30/2008CN101229555A Method of producing half hard state 304 precision stainless steel band
07/30/2008CN101229554A Method of producing half hard state 301 precision stainless steel band
07/30/2008CN101229553A Method of producing one-quarter hard state 304 narrow stainless steel band
07/30/2008CN101229552A Method of manufacturing stainless steel foil used on integrated circuit rack
07/30/2008CN100406586C Reduced mist laser shock peening
07/30/2008CN100406585C Method for producing grain oriented magnetic steel sheet and grain oriented magnetic steel sheet
07/30/2008CN100406584C Rotary component whose surface layer is composite nano crystal grain, and its manufacturing method
07/30/2008CN100406196C Grinding ball production method
07/29/2008US7404923 Device for cooling and/or rinsing steel wires and/or tapes
07/29/2008US7404865 Steel wire for heat-resistant spring, heat-resistant spring and method for producing heat-resistant spring
07/24/2008WO2008087249A1 Method for manufacturing an austenitic steel object
07/23/2008EP0918098B1 Method for producing a bake-hardenable cold-rolled steel sheet having excellent aging resistance
07/23/2008CN201089781Y Full-automatic operated heat treatment apparatus
07/23/2008CN201089780Y Stainless steel pipe-soldering light annealing refrigerating mechanism
07/23/2008CN201089779Y Gas type salt-bath furnace with preheating furnace
07/23/2008CN201089778Y Bushing ring high-frequency treatment device
07/23/2008CN101228285A Continuous heat treatment stove, metal tube using the same and thermal treatment method
07/23/2008CN101225463A Method for restoring and improving service life of hot roller and cold rolling subsidiary roller
07/23/2008CN101225462A Automobile wheel hub continuous heat-treating furnace
07/23/2008CN101225461A Automobile wheel hub continuous automatic quenching device
07/23/2008CN100404718C Manufacture method of ultra-low-temperature, high-strength and long-fatigue life automobile bridge seamless heterotype axle steel tube
07/23/2008CN100404703C Heating treatment process of plated steel sheet for hot stamping
07/23/2008CN100404702C Heat processing unit case heat treating method and its device
07/23/2008CN100404701C Heat processing unit case heat treating method and its device
07/23/2008CN100404154C Controllable cooling method for thick steel plate, thick steel plate manufactured by the controllable cooling method, and cooling device for the thick steel plate
07/22/2008US7402215 C: more than 0.65-1.1%; Si: 0.15-1.5%; Mn: 0.2-1.5%; 2 or more of Cr, Mo, V, Ti, Nb and B and balance Fe; tensile strength of 1800 MPa or more; sectional area forming a fan shapes which are combined to form a circular hollow crosssection for accommodating optical fibers; pebbled surface of relief shapes
07/22/2008CA2467600C Method for producing formed articles
07/17/2008WO2008085600A1 High pressure-rated ram blowout preventer and method of manufacture
07/17/2008WO2008084875A1 Process for producing high-strength cold rolled steel sheet excelling in chemical treatability and relevant production equipment
07/17/2008WO2008084855A1 Residual stress improving method of pipeline
07/17/2008WO2008084838A1 Ferritic stainless steel sheet for water heater excellent in corrosion resistance at welded part and steel sheet toughness
07/17/2008WO2007028475A3 Method for producing press-hardened component
07/17/2008US20080169050 Method for manufacturing prime hot rolled high tensile strength deformed bars
07/17/2008DE19950264B4 Verfahren zur Herstellung eines Doppelgelenks mit verbesserter Kaltverformbarkeit und Festigkeit A method for producing a double joint having improved cold workability and strength
07/16/2008EP1944097A1 Spiral cooling of steel workpiece in a rolling process
07/16/2008EP1943365A1 Hearth roll apparatus for annealing furnace
07/16/2008EP1943364A1 Method and installation for the dry transformation of a material structure of semifinished products
07/16/2008EP1026278B1 Use of a ferritic steel sheet having excellent shape fixability and manufacturing method thereof
07/16/2008CN201087206Y Uniform cooling device for metal tube thermal treatment
07/16/2008CN201087205Y Rotary feeding mechanism
07/16/2008CN201087204Y Shot/sand rotating type quencher
07/16/2008CN101223300A Orientation electromagnetic steel plate with chromate-free insulation membrane, and its insulation membrane agent
07/16/2008CN101223292A Process for producing bearing device for wheel
07/16/2008CN101223291A Bearing device for wheel
07/16/2008CN101220443A Stainless steel weldless steel tube for ship and producing technique
07/16/2008CN101220442A Hot work die steel with high-heat stability and high-strength
07/16/2008CN101220439A Non-quenching and tempering double-phase cold heading steel for high-strength fastener and method for manufacturing same
07/16/2008CN101220409A Horizontal continuous unmuffled light annealing equipment of stainless steel band
07/16/2008CN101220408A Oil tube electrical heat quenching and tempering thermal treatment method and apparatus
07/16/2008CN101219457A Preparation of pre-coated aluminium alloy articles
07/16/2008CN101219444A Isometric bending channel deformation production method for high-strength commercial titanium block at room temperature
07/16/2008CN101219434A Method for producing steel for automobile wheel based on bar strip continuous casting and rolling flow path
07/16/2008CN101219433A Process for producing intermetallic compound
07/16/2008CN100402690C Mirror large-die-block preparing and producing method of 4Cr16Mo die
07/16/2008CN100402689C Steel and mould tool for plastic materials made of the steel
07/16/2008CN100402675C Method for controlling and/or regulating the cooling stretch of hot strip rolling mill for rolling metal strip, and corresponding device
07/16/2008CN100402674C Cooling device for steel strip
07/16/2008CN100402672C Method and device for controlled straightening and cooling of a wide metal strip, especially a steel strip or sheet metal, running out of a hot rolled strip rolling mill
07/15/2008US7399372 stainless steels having ridges and compressive residual stress, used in vehicle suspensions, gas springs, and vacuums; springs
07/15/2008US7399230 Power transmission shaft
07/10/2008WO2008081956A1 High carbon hot-rolled steel sheet and method for production thereof
07/10/2008WO2008081955A1 Method of cooling hot forged part, apparatus therefor, and process for producing hot forged part
07/10/2008US20080166257 Deep drawability; microstructure composed of ferrite and precipitates; for automobile components
07/10/2008US20080163961 Yield ratio of galvannealed steel sheet can be significantly decreased by adding chromium, vanadium, and molybdenum in combination with aluminum, thereby achieving a yield ratio of about 55% or less; good alloying hot-dip galvanization properties; ductility, high strength
07/10/2008DE112005003684T5 Wärmebehandlungshaltevorrichtung und Wärmebehandlungsvorrichtung und Verfahren Heat treatment holder and heat treatment apparatus and method
07/10/2008DE102005003887B4 Montagevorrichtung Mounting device
07/09/2008EP1940572A1 Strand guiding roller
07/09/2008EP1699941B1 Crankshaft comprising a combined gear wheel and method for the production and use of said crankshaft
07/09/2008EP1563104B1 Method for making an abrasion resistant steel plate and plate obtained
07/09/2008CN201082893Y Charging and discharging mechanism for vacuum annealing furnace
07/09/2008CN101218362A Non-oriented electromagnetic steel sheet and its manufacturing method
07/09/2008CN101215708A Method for preparing corrosion resistant nickel/chromium plating steel belt
07/09/2008CN101215670A Ship lock mushroom head, mushroom head cap and processing method thereof
07/09/2008CN101215669A High-strength thick steel plate for large-scale petroleum storing tank and low-cost manufacturing method thereof
07/09/2008CN101215668A Method for manufacturing low-carbon 9Ni steel thick plate
07/09/2008CN101215629A Heat treatment method for spring wire
07/09/2008CN101215628A High speed steel composite roller heat treatment method
07/09/2008CN101215627A Intermediate frequency through hardening method for small diameter roller
07/09/2008CN101215626A Continuous heat treatment method for angle steel and angle steel manufacturing method
07/09/2008CN101215625A Deformation heat treatment method for modifying welding seam tissue capability
07/09/2008CN101215624A On-line quenching production technique for high toughness thick steel plate