Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
08/2005
08/31/2005EP1568424A1 Press for holding and pressing a workpiece
08/31/2005EP1509627B1 PROCESS FOR PRODUCING COLD-ROLLED STEEL STRIP HAVING A Si-CONTENT OF AT LEAST 3.2 WT.-% USED FOR ELECTROMAGNETIC PURPOSES
08/31/2005EP1157138A4 Cold rolled steel
08/31/2005CN2721654Y Separated burner of steel rollig heating furnace with heat stored
08/31/2005CN2721653Y Heating furnace with heat stored
08/31/2005CN2721652Y Turning quenching device of big steel cylinder
08/31/2005CN2721651Y Turning vertical quenching device of steel bottle
08/31/2005CN1662669A Low-thermal expansion alloy thin sheet and its manufacturing method
08/31/2005CN1661128A Kick-down drum material and method of manufacturing the same
08/31/2005CN1661127A High strength cold rolled steel sheet and method for manufacturing the same
08/31/2005CN1217018C Soaking type fine shaft local over conventional flame quenching method and device
08/30/2005US6935856 Method of improving the temperature profile of a furnace
08/25/2005WO2005078297A1 Shell type needle roller bearing, support structure of compressor spindle, and support structure of piston pump drive part
08/25/2005WO2005078148A1 Metal tube for use in carburizing gas atmosphere
08/25/2005WO2005078144A1 Method for producing a component by reshaping a plate, and device for carrying out said method
08/25/2005WO2005078143A1 Method for producing a three-dimensionally formed armouring component for vehicle bodies
08/25/2005US20050183800 Kick-down drum material and method of manufacturing the same
08/25/2005US20050183799 Non heat treated; ferrite area ratio is not more than ten percent; carbon equivalent between five tenths and nine tenths percent; rolling is completed without lowering the temperature during the manufacturing process; the precipitates are fine because of no reheating
08/25/2005DE10392889T5 Magnetostriktive Drehmomentsensorwelle und Verfahren zum Herstellen derselben A magnetostrictive torque sensor shaft and method of producing same
08/25/2005CA2558003A1 Method for producing a three-dimensionally formed armouring component for vehicle bodies
08/25/2005CA2556128A1 Metal tube for use in a carburizing gas atmosphere
08/24/2005EP1566461A1 Recrystallization of metal alloy sheet with convection & infrared radiation heating
08/24/2005EP1566460A1 Cold rolled steel sheet for gasket material, method for production thereof and gasket material produced by the method
08/24/2005EP1566083A2 Coating compositions for solder spheres, powders and preforms, methods of production and uses thereof
08/24/2005EP1565589A1 Use of a steel alloy as a material for producing pipes for motor vehicles
08/24/2005EP1565588A1 Use of a steel alloy as a material for producing thick-walled tubular parts for motor vehicles
08/24/2005EP1490524B1 Method and device for convective heat transfer between a heat transfer medium and the surface of a workpiece
08/24/2005EP1394279B1 High strength and high ductility steel plate having hyperfine crystal grain structure produced by subjecting ordinary low carbon steel to low strain working and annealing, and method for production thereof
08/24/2005CN2719862Y Roller hearth heating furnace casting blank deviation rectifying device
08/24/2005CN2719861Y Steel pipe quenching pit iron scale flushing device
08/24/2005CN2719860Y Steel pipe rotary transmission mechanism
08/24/2005CN2719859Y Steel pipe external water spraying structure
08/24/2005CN2719858Y Steel pipe positioning detecting device
08/24/2005CN2719857Y Tilting step drainage apparatus
08/24/2005CN1659299A Cold work steel and cold work tool
08/24/2005CN1659298A Steel sheet for vitreous enameling and production method
08/24/2005CN1659292A Method and device for patenting steel wires
08/24/2005CN1659291A Device for cooling and/or rinsing steel wires and/or tapes
08/24/2005CN1659289A Method and device for continuous annealing metallic ribbons with improved process efficiency
08/24/2005CN1657643A High strength seamless steel pipe and its manufacturing method
08/24/2005CN1657637A Centrifugal strengthening machine for strengthening steel ball by mutural collision
08/23/2005US6933460 Method and device for plasma treatment of moving metal substrates
08/23/2005US6932876 A surface treatment of propeller, bearings, using a small diameter, freely-moving impact needles, ultrasonic transducers, to scan the external working surface, convert ultrasonic impact energy to kinetic energy, striking the surface
08/23/2005US6932874 Method for increasing the copper to superconductor ratio in a superconductor wire
08/18/2005WO2005075873A1 Screw joint for oil well pipe, and method of producing the same
08/18/2005WO2005075705A1 Method for surface treatment of metal material
08/18/2005WO2005075695A1 Steel wire for spring
08/18/2005US20050178456 Uoe steel pipe with excellent crash resistance, and method of manufacturing the uoe steel pipe
08/18/2005DE19730383B4 Verfahren zum Herstellen einer Struktur, die ein Element aus Formgedächtnislegierung enthält, und Baugruppe zur Durchführung des Verfahrens A method for producing a structure that contains an element made of shape memory alloy, and assembly for implementing the method
08/18/2005DE102004013257B3 Process for increasing the fatigue strength of crankshafts of motor vehicle engine comprises applying a pulling force on the crankshaft whilst it is rotating, and hardening using a laser beam
08/17/2005EP1563934A1 Tool holder and method of making
08/17/2005EP1563110A1 Weldable steel building component and method for making same
08/17/2005EP1563105A1 Method for making an abrasion resistant steel plate and plate obtained
08/17/2005EP1563104A1 Method for making an abrasion resistant steel plate and plate obtained
08/17/2005EP1563103A1 Method for making an abrasion resistant steel plate and steel plate obtained
08/17/2005EP1198605B1 Methods of forming steel
08/17/2005CN2717972Y Crankshaft medium frequency spray hardening inductor
08/17/2005CN2717971Y Special machine tool for gear surface flame quenching
08/17/2005CN1215189C High-strength low heat-expansion Fe-Ni-Co series alloy thin band with good magnetic characteristic for shadow mask
08/17/2005CN1215188C Highly stable, cold-formed steel and steel strips or steel sheets, method for prodn. of steel strips and uses of said steel
08/17/2005CN1215183C Integral heat treatment method for large horizontal pressure container
08/17/2005CN1214886C Method for producing sintered honeycomb
08/17/2005CN1214873C Device and method for manufacturing soft metal tube
08/11/2005WO2005073421A1 Oil well seamless steel pipe excellent in resistance to sulfide stress cracking and method for production thereof
08/11/2005WO2005073413A1 Pit furnace closing system
08/11/2005US20050173848 Device for cooling and/or rinsing steel wires and/or tapes
08/11/2005US20050173031 steel sheet consists essentially of 0.05 to 0.15% C, 0.5% or less Si, 1.00 to 2.00% Mn, 0.09% or less P, 0.01% or less S, 0.005% or less N, 0.01 to 0.1% Sol.Al, and balance of Fe and inevitable impurities; and contains 60% or more polygonal ferrite by volume, and 5 to 30% martensite by volume.
08/11/2005US20050173028 Steel wire for hard drawn spring excellent in fatigue strength and resistance to settling, and hard drawn spring
08/11/2005US20050172744 Reduction gear and method and apparatus for manufacturing the reduction gear concerned, and electric power steering system with the reduction gear concerned
08/11/2005CA2553586A1 Oil well seamless steel pipe excellent in resistance to sulfide stress cracking and method for production thereof
08/10/2005EP1561827A1 Method of welding a ferritic steel comprising a post weld heat treatment and cold working on the weld
08/10/2005EP1379702B1 Method for making a roll shell of a roll used in the manufacture or further processing of paper and/or board
08/10/2005EP1244819B1 Method of quenching an alloy sheet to minimize distortion
08/10/2005EP0788850B1 Steel pipe manufacturing method and apparatus
08/10/2005CN1653279A Method for manufacturing a bearing raceway member
08/10/2005CN1652641A Heater of metal cylinder
08/10/2005CN1651583A Heating device of full hydrogen forceful convection hood type furnace
08/10/2005CN1213816C Method and device for manufacturing hot rolled steel strip
08/09/2005US6927361 Surface oxide weld penetration enhancement method and article
08/09/2005US6925899 Hollow steering rack bar and its manufacturing method
08/09/2005CA2250162C Bake hardenable vanadium containing steel
08/04/2005WO2005070614A1 Process for forming ultrafine crystal layer, machine component having ultrafine crystal layer formed by the ultrafine crystal layer forming process, process for producing the machine component, process for forming nano-crystal layer, machine component having nano-crystal layer formed by nano-crystal layer forming process, a
08/04/2005WO2005070576A1 Heat treating device for steel plate and steel plate manufacturing line having the heat treating device
08/04/2005WO2005050112A3 Installation and method for thermally treating workpieces
08/04/2005US20050169715 Tool holder and method of making
08/04/2005US20050167013 High strength seamless steel pipe excellent in hydrogen-induced cracking resistance and its production method
08/04/2005US20050167007 composite structures composed of ferrites and martensite, having superior workability; thin-walled and lightweight materials with improved processing efficiency
08/03/2005EP1559805A1 High carbon steel wire rod superior in wire-drawability and method for producing the same
08/03/2005EP1559798A1 High strength and low yield ratio cold rolled steel sheet and method of manufacturing the same
08/03/2005EP1559797A1 High strength steel sheet and method for manufacturing same
08/03/2005EP1559796A1 Method of increasing toughness of heat-affected part of steel product welded joint
08/03/2005EP1558770A1 Atmosphere control during continuous heat treatment of metal strips
08/03/2005EP1558769A1 Method for making hardenable steel plates by firing, resulting steel plates
08/03/2005EP1476586B1 Steel, solid wheel, and tire for rail vehicles and method for producing parts of this type
08/03/2005CN2714577Y Electromagnetic suspension continuous heat treatment furnace for steel strip
08/03/2005CN2714576Y Whole-fiber thermal insulated structure in the annealing zone for strip steel continuous galvanizing line annealing oven
08/03/2005CN2714575Y Induction heating device on the blade of cutting tool
08/03/2005CN2714574Y Stainless steel annealing protection cover
08/03/2005CN1650040A Method and apparatus for producing hot dip plated metallic strip
08/03/2005CN1648277A High strength steel sheet and method for manufacturing same