| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 06/13/2012 | CN102489959A Production method and device of aluminum alloy quenching sheets |
| 06/13/2012 | CN102489944A Processing method of 2Cr13 rectangular pipe |
| 06/13/2012 | CN102489758A Lock hook processing method |
| 06/13/2012 | CN102489690A Method for as-cast non-alloying production for QT500-7 main bearing cap of gasoline engine |
| 06/13/2012 | CN102489681A Centrifugally cast cross-wedge rolling die and manufacturing method thereof |
| 06/13/2012 | CN102489646A Method for processing steel ball |
| 06/13/2012 | CN102489550A Production method for stainless steel belt for etching |
| 06/13/2012 | CN102489505A Cold-rolled steel strip and production method thereof, and anode plate material for electric dust removing device |
| 06/13/2012 | CN102168274B Process for surface treatment of internal wall of open-end spinning frame rotor |
| 06/13/2012 | CN102134633B Precise heat treatment method of high-precision elastic element |
| 06/13/2012 | CN102108469B Hot rolling hot straightening roll suitable for thick steel plates with thickness of less than or equal to 60mm and preparation method thereof |
| 06/13/2012 | CN102041365B Workpiece automatic alignment mechanism of quenching device |
| 06/13/2012 | CN101892375B Method for inspecting surface oxidation degree of annealed stainless steel band |
| 06/13/2012 | CN101707908B Metal plate induction heating device and induction heating method |
| 06/13/2012 | CN101591725B Production technology for strip steel |
| 06/07/2012 | WO2012073914A1 Steel sheet for can, and process for producing same |
| 06/07/2012 | WO2012073485A1 Carburizing steel having excellent cold forgeability, and production method thereof |
| 06/07/2012 | WO2012073458A1 Bearing steel exhibiting excellent machinability after spheroidizing annealing and excellent resistance to hydrogen fatigue after quenching/tempering |
| 06/07/2012 | WO2012072884A1 Ultra high-strength structural steel and method for producing ultra high-strength structural steel |
| 06/07/2012 | WO2012072771A1 Method and induction heater for heating billets |
| 06/07/2012 | WO2012045585A3 Rolling train for producing a metal strip and method for producing a rolling train |
| 06/07/2012 | US20120137502 Press-hardened component and associated production method |
| 06/07/2012 | CA2818682A1 Steel sheet for can having high strength and high formability, and method for manufacturing the same |
| 06/06/2012 | EP2461646A1 Induction heating and quenching device, induction heating and quenching method, induction heating coil, heat treatment device, and heat treatment method |
| 06/06/2012 | EP2460906A1 Steel member having nitrogen compound layer and process for producing same |
| 06/06/2012 | EP2460897A1 Process for production of high-strength cold-rolled steel sheet having excellent chemical conversion processability |
| 06/06/2012 | EP2460896A1 Method for producing a friction element |
| 06/06/2012 | EP2460617A1 Method for producing a spindle with large bearing seat |
| 06/06/2012 | EP2459765A1 Method for processing parts for kitchen tools |
| 06/06/2012 | EP2459758A1 Heat pipe assisted strip heat treatment |
| 06/06/2012 | EP2459757A1 Method and device for treating a material exposed to a magnetic field |
| 06/06/2012 | EP1589120B1 Method and furnace for heat treatment |
| 06/06/2012 | EP1563106B1 Cold-worked steels with packet-lath martensite/austenite microstructure |
| 06/06/2012 | CN202266597U 炉辊轴承座 Furnace roller bearing |
| 06/06/2012 | CN202265597U 单管式气体保护纤维热处理装置 Monotube gas protection fiber heat treatment device |
| 06/06/2012 | CN202265596U 内齿圈滚道中频淬火模具 IF quenching the inner ring raceway mold |
| 06/06/2012 | CN202265594U 旋转升降式齿套自动高频淬火装置 Rotary lift gear sets of automatic induction hardening apparatus |
| 06/06/2012 | CN202265593U 球化退火炉 Spheroidal annealing |
| 06/06/2012 | CN202265592U 变速箱倒档轴高频自动淬火机 High-frequency automatic gearbox reverse shaft hardening machine |
| 06/06/2012 | CN202265591U 热处理夹具 Heat treatment jig |
| 06/06/2012 | CN102485920A Copper treatment process for stabilizing dissolution velocity of copper ions of copper-containing intrauterine device |
| 06/06/2012 | CN102080194B Large-deformation-preventing pipeline steel with excellent aging resistance and production method thereof |
| 06/06/2012 | CN102002559B Annealing method and device of bell type furnaces |
| 06/06/2012 | CN101892427B High manganese steel and manufacturing method |
| 06/06/2012 | CN101787422B Method and device for secondary quenching of high-carbon cast steel slot or high-carbon cast steel grit |
| 06/05/2012 | US8192566 Annealing and pickling process |
| 05/31/2012 | WO2012070482A1 Steel sheet for hot pressing and method for producing hot-pressed member using steel sheet for hot pressing |
| 05/31/2012 | WO2012070383A1 Race ring for rolling bearing, and rolling bearing |
| 05/31/2012 | WO2012070349A1 Non-heat-treated steel for soft nitriding, and soft-nitrided component |
| 05/31/2012 | WO2012069329A1 Method for heat-treating high-strength iron alloys |
| 05/31/2012 | WO2012069277A1 Method and device for producing a sliding rail of a longitudinal adjustment device of a vehicle seat |
| 05/31/2012 | WO2012019761A3 Shaping method for a workpiece using the electroplastic effect |
| 05/31/2012 | US20120133089 Heat treatment furnace |
| 05/31/2012 | DE112009001803T5 Gegenstand für magnetischen Wärmeaustausch und Verfahren zur Herstellung eines Gegenstandes für magnetischen Wärmeaustausch Article for magnetic heat exchange, and process for producing an article for magnetic heat exchange |
| 05/31/2012 | CA2817504A1 Steel sheet for hot pressing and method for manufacturing hot-pressed member using the same |
| 05/30/2012 | EP2458023A1 Method for heat-treating a ring-shaped member, method for producing a ring-shaped member, ring-shaped member, bearing ring, rolling bearing, and method for producing a bearing ring |
| 05/30/2012 | EP2458022A1 Method of galvanising a steel strip in a continuous hot dip galvanising line |
| 05/30/2012 | EP2456896A1 Method and device for energy-efficient hot forming |
| 05/30/2012 | CN202257154U Multi-path sensing quenching energy monitor |
| 05/30/2012 | CN202246877U Hanging device for carburizing and quenching gear shaft |
| 05/30/2012 | CN202246772U Seal plug for bright muffle furnace outlet |
| 05/30/2012 | CN202246771U High-frequency automatic control steel strip heating and annealing furnace |
| 05/30/2012 | CN202246769U Hydrogen annealing furnace of bright heat treatment production line |
| 05/30/2012 | CN202246768U Glass steel roller |
| 05/30/2012 | CN202246765U Intelligent shaft surface hardening machine tool |
| 05/30/2012 | CN202246764U Intermediate frequency quenching inductor for spline shaft |
| 05/30/2012 | CN202246761U Annealing and shaping device for C-shaped iron cores |
| 05/30/2012 | CN202246760U Quenching device of automobile supporting plate |
| 05/30/2012 | CN202246759U Fixture for local annealing of support plate self-locking nut |
| 05/30/2012 | CN202246757U Protective gas application system for preventing bearing workpiece from being quenched and oxidized |
| 05/30/2012 | CN202246756U Device for reducing surface oxidation of steel plate in heating process |
| 05/30/2012 | CN202246755U Combined type spray pipe for cooling plates |
| 05/30/2012 | CN202246754U Internal spiral quenching machine for roll screen |
| 05/30/2012 | CN202246753U Safety lifting hook |
| 05/30/2012 | CN202246752U Device for vertically quenching cylinder barrels in support |
| 05/30/2012 | CN202246751U Quenching chassis for metal cast |
| 05/30/2012 | CN202246750U Special hanger for carburizing and quenching |
| 05/30/2012 | CN202246749U Five-meter gantry type multifunctional induction automatic quenching machine tool |
| 05/30/2012 | CN202246748U Temperature controller |
| 05/30/2012 | CN202246747U Excess heat isothermal normalizing furnace |
| 05/30/2012 | CN202246746U Water supply pipeline system for heat exchanger of annealing furnace |
| 05/30/2012 | CN202246745U Connecting joint for blowing and sweeping of annealing furnace inner wall |
| 05/30/2012 | CN202246744U Induction quenching heat treatment device |
| 05/30/2012 | CN202246743U Heating and quenching sensor for processing plurality of cams |
| 05/30/2012 | CN202246742U Induction coil used for quenching splined shaft |
| 05/30/2012 | CN202246741U Surface quenching sensor of supporting shaft for engineering vehicle |
| 05/30/2012 | CN202246740U Matrix type adjustable spray cooling device |
| 05/30/2012 | CN102482756A 碳氮共渗构件的制造方法 Carbonitriding method for manufacturing components |
| 05/30/2012 | CN102482741A 辐射传热加热用金属板及其制造方法、以及具有不同强度部分的金属加工件及其制造方法 Heated by radiation heat transfer metal plate and its manufacturing method, and the metal having different strength portions of the workpiece and the manufacturing method |
| 05/30/2012 | CN102482728A 化学转化处理性优良的高强度冷轧钢板的制造方法 The method of manufacturing a chemical conversion treatment of the high-strength cold-rolled steel sheet |
| 05/30/2012 | CN102482727A Method for manufacturing thick-walled seamless steel pipe |
| 05/30/2012 | CN102482725A Method And Device For Energy-efficient Hot Forming |
| 05/30/2012 | CN102481613A 用于制造金属零件的方法和装置 Method and apparatus for manufacturing metal parts |
| 05/30/2012 | CN102477482A 一种高温防氧化的淬火涂料 A high-temperature oxidation of hardened paint |
| 05/30/2012 | CN102477481A 大型台车式燃气低温退火炉 Large trolley type annealing furnace gas hypothermia |
| 05/30/2012 | CN102477480A 激光表面强化检测控制系统 Laser surface hardening detection and control system |
| 05/30/2012 | CN102477479A 球墨铸铁激光强化工艺 Ductile laser hardening process |
| 05/30/2012 | CN102477478A 一种热处理料盘 One thermal treatment trays |
| 05/30/2012 | CN102181793B Process for manufacturing steel forge piece of vertical conveying pipe of deep sea oil extraction equipment |
| 05/30/2012 | CN102134632B Inflating device for blowing off water droplet |