Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435)
07/2012
07/04/2012CN102534395A Iron chromium soft magnetic alloy and its preparation method
07/04/2012CN102534392A Processing, formation and manufacturing method of piston rod using 38CrMoAlA steel as materials
07/04/2012CN102534391A Hot-work die steel for extrusion wheel and manufacturing method thereof
07/04/2012CN102534389A Chromium-molybdenum steel lining board for mills and production technique thereof
07/04/2012CN102534385A Method for manufacturing plunger by processing and forming GCr15 steel material
07/04/2012CN102534373A Super-high strength cold rolled steel belt suitable for rolling formation and manufacture method of super-high strength cold rolled steel belt
07/04/2012CN102534369A Method for preparing N80 steel-grade expansion tubes for petroleum and natural gas exploitation
07/04/2012CN102534353A Low-chromium multi-component alloy cast ball and preparation method thereof
07/04/2012CN102534182A Control system for mantle-type annealing furnace process
07/04/2012CN102534180A Double-layer sealing non-standard cover furnace
07/04/2012CN102534179A Continuous tunnel type annealing furnace structure with heating bottom resistor
07/04/2012CN102534177A Continuous annealing unit and circulating temperature control device for aging section of continuous annealing unit
07/04/2012CN102534171A Self tempering method in heat treatment of high-strength round-link chain monocyclic ring
07/04/2012CN102534169A Multifunctional one-furnace multi-strip quick high-efficiency heat treatment production line and process for bimetal strip saw blades
07/04/2012CN102534165A Lifting method and tool set in quenching treatment of connection tube forging for nuclear power pressure container
07/04/2012CN102534162A Instantaneous cooling technique of gasoline engine cylinder
07/04/2012CN102534161A Hardening method for guide rail of elevator
07/04/2012CN102534159A Process for thermally treating automotive supporting axle case body
07/04/2012CN102534153A Ultrasonic frequency electromagnetic induction heating wire-drawing annealing furnace
07/04/2012CN102534150A Method for improving wear resistance of ferromagnetic metal material trough cryogenic magnetic field
07/04/2012CN102534148A Method of producing large components form austempered ductile iron alloys
07/04/2012CN102534147A Furnace door sealing device of box type protective atmosphere thermal treatment furnace
07/04/2012CN102534146A Novel pressed quenching process of passive bevel gears
07/04/2012CN102534145A Quenching cooling device for large cylindrical workpieces
07/04/2012CN102534144A Disc quenching machine for car stabilizer bar
07/04/2012CN102534143A Novel mesh-belt-type quenching furnace
07/04/2012CN102534142A Heating treatment process for low carbon tool steel
07/04/2012CN102534141A On-line induction heat treatment process capable of strengthening precipitation of high-strength steel
07/04/2012CN102534140A Method for treating flow passage component of titanium alloy slurry pump and titanium alloy slurry pump
07/04/2012CN102534139A Novel W-shaped radiant tube self-support structure
07/04/2012CN102534138A Oxygen potential control system of spheroidizing annealing furnace
07/04/2012CN102534137A Far-infrared local heating correction half-gear-ring heat treatment opening deformation method
07/04/2012CN102534136A High wear-resistant duplex metal multiplex heat treatment process
07/04/2012CN102534135A Productive technology for sliding plate of hot rolling mill
07/04/2012CN102534134A Bainite isothermal quenching thermal treatment process method for medium-carbon bearing steel
07/04/2012CN102534133A Heat treatment process for bearing steel
07/04/2012CN102534132A Quenching-partitioning thermal treatment method for high strength and toughness of medium carbon silicon-manganese low alloy steel
07/04/2012CN102534131A Thermal treatment process for high-strength steel grits
07/04/2012CN102534130A Shovel surface heat treatment method for mining ledge
07/04/2012CN102534129A Preparation method for annular ferrum-based amorphous nanocrystalline magnetically soft alloy by using laser lamination side irradiation
07/04/2012CN102534128A Chamber-type protective atmosphere annealing furnace
07/04/2012CN102534127A Heat treatment charging basket for up-pushing zipper chamber furnace
07/04/2012CN102534126A Heat treatment sensitivity test method of mooring chain accessory
07/04/2012CN102534125A Metal heating processing technology
07/04/2012CN102532963A Bearing steel high temperature heating protective coating and using method thereof
07/04/2012CN102527940A Casting process for upper pendulums and lower pendulums of light-rail steel cast supports
07/04/2012CN102527892A Manufacturing method of martensitic stainless steel forged piece with high electric resistivity and high magnetic conductivity
07/04/2012CN102527780A Quenching and straightening integrated machine for steel billets
07/04/2012CN102527779A Quenching and straightening machine for steel billets
07/04/2012CN102527778A Quenching and straightening machine for bar billets
07/04/2012CN102107210B Method for producing stainless steel band of heating pipe
07/04/2012CN102051455B Heat-treatment process for low-temperature abrasion-resistant alloy cast steel
07/04/2012CN102051451B Complex-space curved-surface dot-motion induction heating hardening device and method
07/04/2012CN102002575B Transverse feed type high-frequency quenching mechanism
07/04/2012CN101974670B High-frequency annealing method for ensuring two different hardness requirements on small part
07/04/2012CN101967610B High carbon high silicon martensite stainless steel billet and preparation method thereof
07/04/2012CN101967605B Carbide precipitation type rare earth carburizing steel
07/04/2012CN101956144B Heat treatment method for manufacturing Martensitic-ferrite plastic mould steel
07/04/2012CN101921978B Micro-tension control system of copper-pipe high-speed continuous induction annealing furnace
07/04/2012CN101914661B Gas-shield water-based quenching device
07/04/2012CN101914658B Local high-frequency solid dissolving method and device thereof
07/04/2012CN101892363B Quenching agent
07/04/2012CN101881561B Combustion heat energy recycling system of quenching furnace tail gas
07/04/2012CN101880831B High-strength-and-toughness low alloy wear resistant steel and manufacturing method thereof
07/04/2012CN101831592B Shockproof strip material of nuclear power station steam generator, and preparation method thereof
07/04/2012CN101802232B Method for producing a surface-decarbonized hot-rolled strip
07/04/2012CN101680049B Method and equipment for heating a metal strip, in particular for annealing
07/04/2012CN101637710B Flexible air-bag type controlled atmosphere device
07/04/2012CN101631880B Steel for tool-less hot forming or quenching with improved ductility
07/04/2012CN101549436B Method and apparatus of friction welding
07/04/2012CN101545072B Method for producing oriented silicon steel having high electromagnetic performance
07/04/2012CN101423887B Method for cooling steel pipe
06/2012
06/28/2012WO2012086304A1 Method for controlling carrying-in of metallic materials in walking beam heat treatment furnace
06/28/2012WO2012085253A2 Method for producing hardened components with regions of different hardness and/or ductility
06/28/2012WO2012085251A2 Method for producing hardened structural elements
06/28/2012WO2012085248A2 Method for forming and hardening coated steel sheets
06/28/2012WO2012085247A2 Method for producing hardened structural elements
06/28/2012WO2012084388A1 Method for producing a screw anchor and screw anchor
06/28/2012WO2012084144A1 Vehicle seat structure having laser-strengthened areas
06/28/2012WO2012083975A1 Heat treatment process for a manufacturing process of a drive belt metal ring component
06/28/2012WO2012083974A1 Heat treatment process for a manufacturing process of a drive belt metal ring component
06/28/2012WO2012059189A3 Uv laser exposure of housings and components of door drives and door closers
06/28/2012US20120164453 Iron-based soft magnetic powder for dust core, preparation process thereof, and dust core
06/28/2012US20120160832 Gear part and method of producing thereof
06/28/2012DE102010056264A1 Producing steel element comprising zinc alloy coating, comprises stamping out blank from sheet metal coated with zinc alloy, heating stamped-out blank to temperature, and holding blank at this temperature for predetermined time
06/27/2012EP2468907A1 High-elongation rate aluminum alloy material for cable and preparation method thereof
06/27/2012EP2468904A1 Method for manufacturing thick-walled seamless steel pipe
06/27/2012CN202284215U 一种用于连续进行热处理的装置 An apparatus for continuous heat treatment
06/27/2012CN202284214U 在线感应退火炉用擦拭装置 Wipe the device with the online induction annealing
06/27/2012CN202284213U 金属热处理组合式冷却校正装置 Metal heat treatment combined cooling correction device
06/27/2012CN102523745A Method of manufacturing carburized parts
06/27/2012CN102517526A Online quenching method for aluminum alloy medium-thickness plate and equipment for implementing same
06/27/2012CN102517517A Refractory steel for vane of steam turbine of ultra supercritical fossil power plant and manufacturing method
06/27/2012CN102517515A Phi 177.8*9.19 seamless steel pipe with high steel grade for petroleum and manufacturing method
06/27/2012CN102517514A Fe-C-Cr-W-Mo-Mn-V-Si-Ni high carbon medium-alloy steel
06/27/2012CN102517506A B-containing microalloying steel plate with yield strength of 720 MPa and heat treatment process for B-containing microalloying steel plate
06/27/2012CN102517504A High-boron cast steel for lining plates
06/27/2012CN102517498A IF steel containing niobium and titanium for advanced automobile and annealing process
06/27/2012CN102517495A Method for refining pipeline steel casting blank tissue crystal grains
06/27/2012CN102517492A Preparation method of intercritical annealing treated vanadium-containing extra-deep drawing dual phase steel
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