Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
07/2012
07/04/2012CN202297703U Novel lifting control system in steel pipe groove-type water quenching device
07/04/2012CN202297701U 单辊倾斜淬火炉 Single roll quenching furnace tilt
07/04/2012CN202297698U 钢管内壁中频淬火设备 IF pipe wall quenching equipment
07/04/2012CN202297696U 可倾滚筒式电阻回转炉淬火材料出料分散杆 Tilting roller resistance rotary kiln discharge dispersion hardening material rod
07/04/2012CN202297695U 一种铆钉淬火系统 One kind of rivet quench system
07/04/2012CN202297691U 钢板弹簧生产用加热炉 Leaf spring production furnace
07/04/2012CN202297690U 一种新型快速燃气铝棒加热炉 A new rapid heating furnace gas Lvbang
07/04/2012CN202297688U 炉罩移动式热处理炉 Hoods mobile heat treatment furnace
07/04/2012CN202297687U 等温正火炉的冷却室 Isothermal furnace cooling chamber positive
07/04/2012CN202297686U 等温正火炉的冷却装置 Isothermal normalizing furnace cooling means
07/04/2012CN202297685U 在线感应退火炉用冷却吹扫装置 Online induction annealing furnace cooling purge
07/04/2012CN202297684U 高频淬火装置 High frequency hardening apparatus
07/04/2012CN202297683U 一种钢板淬火回火生产线 One kind of quenched and tempered steel plate production line
07/04/2012CN202297682U 一种钢板淬火加热炉的加热丝 One kind of hardened steel furnace heating wire
07/04/2012CN102537162A Spring with stiffness coefficient controlled by magnitude field and preparation method thereof
07/04/2012CN102537069A Steel ball special for bearing of large-scale offshore wind power generator group and manufacturing process for steel ball
07/04/2012CN102537037A Self-lubrication knuckle bearing applicable to landing gear and processing method thereof
07/04/2012CN102537011A Martensitic stainless steel anti-theft screw manufactured by process of quenching to enhance hardness and not enhance crispness
07/04/2012CN102536824A Rolling rotor compressor
07/04/2012CN102536561A Cam shaft for high-pressure common-rail oil pump, manufacturing method thereof and interference assembly equipment thereof
07/04/2012CN102534713A Electroplating machine annealing chamber gas pipeline
07/04/2012CN102534432A Method for manufacturing and tempering bainite wear-resistant steel and steel pipe
07/04/2012CN102534423A High-strength steel plate and manufacturing method thereof
07/04/2012CN102534418A Martensitic stainless steel for oil casing and manufacturing method thereof
07/04/2012CN102534403A Bainite heat-treated steel rail and heat treatment method thereof
07/04/2012CN102534387A Bainite/martensite steel rail with 1,500 Mpa level of high toughness and manufacturing method thereof
07/04/2012CN102534380A Steel with high impact strength and use thereof
07/04/2012CN102534359A High-strength cold-rolled steel sheet excellent in coating adhesion, workability and hydrogen embrittlement resistance, and steel component for automobile
07/04/2012CN102534353A Low-chromium multi-component alloy cast ball and preparation method thereof
07/04/2012CN102534186A Method for eliminating low carbon steel cover annealing yield point elongation
07/04/2012CN102534184A Internal water-cooling small square and round blank cantilever roller way with heat-preserving box
07/04/2012CN102534183A Step-type heating furnace and cantilevered roll thereof
07/04/2012CN102534182A Control system for mantle-type annealing furnace process
07/04/2012CN102534181A High temperature annealing air distribution system in orientation silicon steel strip coil bell type furnace
07/04/2012CN102534180A Double-layer sealing non-standard cover furnace
07/04/2012CN102534179A Continuous tunnel type annealing furnace structure with heating bottom resistor
07/04/2012CN102534178A Water-seal cooling device for non-oriented silicon steel strip
07/04/2012CN102534177A Continuous annealing unit and circulating temperature control device for aging section of continuous annealing unit
07/04/2012CN102534176A Waste heat recovery device for steel strip heat treatment
07/04/2012CN102534175A Steel wire tempering process
07/04/2012CN102534174A Vertical annealing furnace water cooling jacket capable of reducing steam
07/04/2012CN102534173A Thermal processing apparatus for metal wire rods
07/04/2012CN102534172A Cooling section with integrated vertical belt storage
07/04/2012CN102534171A Self tempering method in heat treatment of high-strength round-link chain monocyclic ring
07/04/2012CN102534170A Control method for conical port deformation caused by heat treatment on open large gear ring of gear
07/04/2012CN102534169A Multifunctional one-furnace multi-strip quick high-efficiency heat treatment production line and process for bimetal strip saw blades
07/04/2012CN102534168A Heating method and heating device for preparing brazing diamond fretsaw
07/04/2012CN102534167A Local automatic tooth-by-tooth tempering method of alloy circular saw blade and high-speed automatic tooth-by-tooth tempering machine
07/04/2012CN102534166A Preparation method of J55-grade steel ERW (electric resistance welding) expansion pipe with high diameter expansion performance
07/04/2012CN102534165A Lifting method and tool set in quenching treatment of connection tube forging for nuclear power pressure container
07/04/2012CN102534164A Method and tool for reducing deformation in large-scale thin-wall cylindrical forging heat treatment
07/04/2012CN102534163A Multi-specification circular steel billet holding pliers for heating furnace
07/04/2012CN102534162A Instantaneous cooling technique of gasoline engine cylinder
07/04/2012CN102534161A Hardening method for guide rail of elevator
07/04/2012CN102534160A Fault diagnosis system of thermal treatment furnace
07/04/2012CN102534159A Process for thermally treating automotive supporting axle case body
07/04/2012CN102534154A Hot pressing method for height adjustment of ultrahigh cylindrical helical spring
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
07/04/2012CN102534147A 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
07/04/2012CN102534141A On-line induction heat treatment process capable of strengthening precipitation of high-strength steel
07/04/2012CN102534137A Far-infrared local heating correction half-gear-ring heat treatment opening deformation method
07/04/2012CN102534135A Productive technology for sliding plate of hot rolling mill
07/04/2012CN102534130A Shovel surface heat treatment method for mining ledge
07/04/2012CN102534128A Chamber-type protective atmosphere annealing furnace
07/04/2012CN102528406A Method for processing automobile synchronizer gear ring blank
07/04/2012CN102528404A Integral impeller blade semi-finishing method for removing residual stress with aid of laser
07/04/2012CN102528006A Closed type high-temperature metal part afterheat recovery plant
07/04/2012CN102527780A Quenching and straightening integrated machine for steel billets
07/04/2012CN102527778A Quenching and straightening machine for bar billets
07/04/2012CN102527745A Breakage protection system for tower-type movable sleeve transmission chain
07/04/2012CN102527724A Manufacturing method of alloy tubular product
07/04/2012CN102181800B Fire-resistant seamless steel pipe for building and machining method thereof
07/04/2012CN102059511B Production process of integral kelly stem
07/04/2012CN102029347B Manufacturing method of gear shaft forge piece for offshore drilling platform
07/04/2012CN102002575B Transverse feed type high-frequency quenching mechanism
07/04/2012CN101984139B Carburizing method for wind power gear used for wind power generation
07/04/2012CN101974671B Method for manufacturing high-strength superfine crystalline spring steel
07/04/2012CN101943234B Compound technology of titanium carbide reinforced cast iron base brake disc
07/04/2012CN101935800B High-silicon-steel thin belt and preparation method thereof
07/04/2012CN101921978B Micro-tension control system of copper-pipe high-speed continuous induction annealing furnace
07/04/2012CN101921903B Method for obtaining high-pearlite high-tenacity nodular cast iron crankshaft
07/04/2012CN101914661B Gas-shield water-based quenching device
07/04/2012CN101906521B Novel transverse hot air circulation device
07/04/2012CN101899621B 3Cr seamless steel pipe and production method thereof
07/04/2012CN101899556B Heat treatment method for thinning coarse grains of ferrite refractory steel for bearing pressure at high temperature
07/04/2012CN101880834B Cold roll with high abrasive resistance and high roughness retaining capability and manufacturing method thereof
07/04/2012CN101755068B Steel pipes excellent in deformation characteristics and process for manufacturing the same
07/04/2012CN101680049B Method and equipment for heating a metal strip, in particular for annealing
07/04/2012CN101631880B Steel for tool-less hot forming or quenching with improved ductility
07/04/2012CN101549436B Method and apparatus of friction welding
07/04/2012CN101423887B Method for cooling steel pipe
07/04/2012CN101356295B Steel sheet for continuous cast enameling with highly excellent unsusceptibility to fishscaling and process for producing the same
07/04/2012CN101346487B Cr-containing steel excellent in thermal fatigue characteristics
07/04/2012CN101035921B High strength thin steel plate excellent in elongation and bore expanding characteristics and method for production thereof
06/2012
06/28/2012WO2012085651A1 Process and plant for continuously manufacturing a steel wire
06/28/2012WO2012084413A1 Screw made of low-alloy carbon steel, and method for producing such a screw
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