Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
10/2009
10/15/2009DE102008001052A1 Mechanically highly stressed machinery component i.e. suction roll sleeve, producing method for use on paper machine, involves altering material characteristics of sleeve based on increase in resistance against vibratory fissure corrosion
10/15/2009CA2720702A1 High-strength steel sheet and galvanized steel sheet having very good balance between hole expansibility and ductility, and also excellent in fatigue resistance, and methods of producing the steel sheets
10/14/2009EP2108736A2 Method for manufacturing machine components and roll shell manufactured accordingly
10/14/2009EP2108465A1 Method and apparatus for controlled cooling
10/14/2009CN201325997Y Steel coil heating device
10/14/2009CN201325996Y Air-gas double heat-storing heating furnace
10/14/2009CN201325995Y Furnace roller structure of roller-hearth heat treatment furnace
10/14/2009CN201325994Y Heat-accumulating combustion device structure
10/14/2009CN201325993Y Furnace pressure balance control structure of the furnace entering zone of roller-type heat treating furnace
10/14/2009CN201325992Y Smoke discharging branch pipe cold wind blending hand-operated air regulating device of direct combustion type roller hearth furnace
10/14/2009CN201325991Y Concrete pier type fly-over structure of furnace hearth of roller hearth furnace
10/14/2009CN201325990Y Multi-burner medium pressure equilibrium structure of roller-hearth heat treatment furnace
10/14/2009CN201325989Y Combustion-supporting fan surge-proof system of roller-hearth heat treatment furnace
10/14/2009CN201325988Y Segmental expansion buffer structure of roller-hearth heat treatment furnace
10/14/2009CN201325987Y Quenching machine tool for cooling track plate after heat treatment
10/14/2009CN201325986Y Heater used before copper wire cold-rolling
10/14/2009CN201325985Y Light annealing cooling device for stainless steel welded pipe
10/14/2009CN201325984Y Decarburization heat treating furnace for reducing carbon content of surface layer of workpiece
10/14/2009CN201325983Y Gear hub quenching inductor
10/14/2009CN201325982Y Synchronizer gear sleeve pressure quencher
10/14/2009CN201325981Y Gear sleeve quenching inductor
10/14/2009CN201325980Y Shaft parts partial high-frequency quenching device
10/14/2009CN201325978Y Self-centering and positioning clamping device
10/14/2009CN101558173A Annealing and pickling process
10/14/2009CN101558172A High pressure-rated ram blowout preventer and method of manufacture
10/14/2009CN101555939A Processing method of front casing of differential mechanism
10/14/2009CN101555907A Ball-type slewing bearing with asymmetric raceway and processing method thereof
10/14/2009CN101555545A Soaking furnace slag tapping method
10/14/2009CN101555544A Heat treatment facility for soft magnetic winding core in transverse magnetic field and method thereof
10/14/2009CN101555542A Isothermal quench process with low chrome white cast iron grinding ball
10/14/2009CN101555541A Quenching water spray ring and quenching equipment of parts of slender rod type
10/14/2009CN100549203C Steel plate and tube exhibiting excellent workability and method for producing the same
10/14/2009CN100548567C Manufacturing method of ultra low temperature and high intensity fine grain simple steel flange
10/13/2009CA2462963C Duplex stainless steels
10/08/2009WO2009123356A1 High-strength steel plate for a can and method for manufacturing said high-strength steel plate
10/08/2009WO2009123294A1 Method for producing can manufacturing steel sheet
10/08/2009WO2009123227A1 Steel material, process for producing steel material, and apparatus for producing steel material
10/08/2009WO2009123156A1 Grain-oriented magnetic steel sheet and process for producing the same
10/08/2009WO2009122653A1 Material for soft-nitrided crankshaft and process for producing the same
10/08/2009US20090252904 Method for the production of machinery components and subsequently produced roll sleeve
10/08/2009DE112007003026T5 Verfahren zur Herstellung eines Glas-Formwerkzeugs A process for producing a glass-forming die
10/07/2009EP2106453A1 Method for manufacturing an austenitic steel object
10/07/2009EP1966407B1 Spring steel, method for producing a spring using said steel and a spring made from such steel
10/07/2009EP1088905B1 Steel sheet for ultra-thin two-piece cans having excellent anti-wrinkling properties and method for producing thereof
10/07/2009CN201321520Y Shielding fabric for magnetic field
10/07/2009CN201321480Y Different backfire thermal insulation cover for carrying roller
10/07/2009CN201321479Y Steel ball quenching sorting device
10/07/2009CN201321478Y Continuous online annealing device for air return pipe
10/07/2009CN201321477Y Water-saving spray nozzle specially used for steel pipe quenching
10/07/2009CN201321476Y Automatic rotating device for high-frequency anneal work piece
10/07/2009CN101553589A Member excelling in damping capacity, process for producing the same and steel sheet employed as member excelling in damping capacity
10/07/2009CN101553584A Device for the suspended guidance of strip-shaped material
10/07/2009CN101550481A Device for loading small-dimension wire coil
10/07/2009CN101550478A Bainitic hardening device for bearing steel
10/07/2009CN101550477A Low-carbon steel cold rolled sheet continuous annealing process
10/07/2009CN101550476A Method for ball socket surface quenching and special inductive loop
10/07/2009CN101549459A Manufacturing technology of individual hydraulic prop piston
10/07/2009CN101549450A Method for processing a rack
10/07/2009CN101549449A Processing technology for high-strength large hexagon head bolt used for steel structure
10/07/2009CN101549448A Processing technology for high-strength bolt used for steel net frame bolt ball node
10/07/2009CN101549436A Method and apparatus of friction welding
10/07/2009CN101549424A Submerged arc bead welding technique
10/07/2009CN101549364A Method of using hot tandem rolling broad strip mill to produce steel plate for ship hull structure use
10/07/2009CN101549361A Rare-earth magnesium alloy seamless thin wall tubule hot-extrusion method and its specialized mold
10/07/2009CN101549356A A high-boron cast alloy roll and its manufacturing method
10/07/2009CN101549353A Method for producing low-alloy and large-size square steel by continuously casting and continuously rolling
10/07/2009CN100547251C Heavy-duty car direction converter bearing and its manufacturing technique
10/07/2009CN100547106C X80 steel made pipe fittings and manufacture technique thereof
10/07/2009CN100547090C Apparatus for pretreating composite material metal base material and pretreating method
10/07/2009CN100547089C Coil winding method for metal bars
10/07/2009CN100547088C Applying method of temperature section timing oil quenching in wear-resisting material heat treatment
10/07/2009CN100546761C Method for manufacturing automobile steering pump blade
10/07/2009CN100546760C Production technology of ring round quench roller
10/07/2009CN100546732C Super plastic forming method for plate type heat converter special titanium plate
10/06/2009US7597768 hard-drawn spring which exhibits fatigue strength and sag resistance equal or superior to springs produced using an oil-tempered wire. The hard-drawn spring is produced using a steel wire containing 0.5 to 0.7 mass % of C, 1.0 to 1.95 mass % of Si, 0.5 to 1.5 mass % of Mn and 0.5 to 1.5 mass % of Cr
10/06/2009CA2536153C Process of production and production system of high strength galvannealed steel sheet
10/06/2009CA2466829C Surface treatment of austenitic ni-fe-cr based alloys
10/06/2009CA2342256C Hot laminated steel with a very high limit of elasticity and mechanical resistance for use in the production of motor vehicle parts
10/06/2009CA2312674C Aluminum-killed low carbon steel sheet for packaging
10/01/2009WO2009119570A1 Uoe steel tube for linepipes and process for production thereof
10/01/2009WO2009118962A1 Air-cooling facility for heat treatment process of martensite based stainless steel pipe
10/01/2009WO2009118945A1 Hot rolled steel sheet possessing excellent fatigue properties and stretch-flange ability and process for producing the hot rolled steel sheet
10/01/2009WO2009118166A1 A bearing component
10/01/2009US20090246064 Austenitic Stainless Steel Tube for Boiler with Excellent Resistance to High Temperature Steam Oxidation
10/01/2009US20090242085 Dual phase steel sheet with good bake-hardening properties
10/01/2009US20090242084 Method for Producing a Shaft for Compressors
10/01/2009DE19955670B4 Verfahren und Vorrichtung zum Härten von Flächen einer Kurbel- oder Nockenwelle Method and apparatus for hardening surfaces of a crankshaft or camshaft
09/2009
09/30/2009EP2105516A1 High-strength steel sheet excellent in resistance to stress-relief annealing and in low-temperature joint toughness
09/30/2009EP2105514A1 High-strength steel sheet
09/30/2009EP2105513A1 Weld steel pipe with excellent low-temperature toughness for high-strength thick-walled line pipe and process for producing the same
09/30/2009EP2104745A1 Device for the suspended guidance of strip-shaped material
09/30/2009CN201317800Y Continuous rolling recoiling machine wound roll segment hot machining frock
09/30/2009CN201317799Y Hood-type annealing furnace for stainless steel band
09/30/2009CN201317798Y Heat treating production line of bearing rings
09/30/2009CN201317797Y Solid furnace residual-heat recycling device
09/30/2009CN201317796Y Petroleum pipe numerical control laser heat treatment machine
09/30/2009CN201317795Y Cooling water circulation system for quenching work piece
09/30/2009CN201317794Y Natural gas heating furnace for producing hot-rolled high-carbon high-chromium martensitic stainless steel
09/30/2009CN101545071A Steel sheet and method of manufacturing the same, component and method for manufacturing the same
09/30/2009CN101545068A Anti-thread gluing high-frequency electric resistance welded petroleum casing pipe steel strip with multiphase structure and production process thereof