| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 04/20/2011 | CN201801551U On-line quenching mechanism for heat treatment |
| 04/20/2011 | CN201801550U Heat treating device for heat treatment of mechanical parts |
| 04/20/2011 | CN201801549U Cylindrical robot plasma surface finishing machine |
| 04/20/2011 | CN201801548U Circulating device of continuous stress-relieving tempering furnace |
| 04/20/2011 | CN201801547U Hanging rail device of continuous stress-relieving tempering furnace |
| 04/20/2011 | CN102027142A Device for blowing a gas on the surface of a material in the form of a running strip |
| 04/20/2011 | CN102027141A Device for heating and method for heating rotationally symmetrical component |
| 04/20/2011 | CN102021586A Production method of single-sided clad steel sheet and single-sided clad steel sheet |
| 04/20/2011 | CN102021499A High-strength pipe steel and method for manufacturing same |
| 04/20/2011 | CN102021493A Hot rolled steel plate for precision stamping and manufacturing method thereof |
| 04/20/2011 | CN102021490A X12CrMoWVNbN10-1-1 high-temperature structural steel and production method thereof |
| 04/20/2011 | CN102021489A Easily welded ageing high-strength steel and heat treatment process thereof |
| 04/20/2011 | CN102021482A Cold-rolled galvanized duplex steel and manufacturing method thereof |
| 04/20/2011 | CN102021480A Low-chromium ferritic stainless steel and manufacturing method thereof |
| 04/20/2011 | CN102021479A Si-containing medium carbon steel and thermal treatment method for Si-containing medium carbon steel to obtain high strength and elasticity |
| 04/20/2011 | CN102021307A Thermal-treatment annular orientation technology of annular magnetic steel |
| 04/20/2011 | CN102021302A Thermal treatment method of high-carbon steel railway wheel |
| 04/20/2011 | CN102021301A Thermal treatment method of high-carbon steel railway wheels |
| 04/20/2011 | CN102021299A Device for utilizing residual heat of gas flue in hood-type annealing furnace |
| 04/20/2011 | CN102021298A Stabilization treatment method for magnetic property of permanent magnetic part |
| 04/20/2011 | CN102021282A Annealing separant for preparing grain-oriented silicon steel and using method thereof |
| 04/20/2011 | CN102021281A Quenching rotating device |
| 04/20/2011 | CN102021280A Heat treating oil and preparation method thereof |
| 04/20/2011 | CN102021279A Novel metallurgical roll |
| 04/20/2011 | CN102021278A Extreme low carbon steel manufacturing method and extreme low carbon steel manufactured by same |
| 04/20/2011 | CN102021277A Annealing furnace loop integrated framework hoisting method |
| 04/20/2011 | CN101812569B Spade heat-treatment medium recovering device and method for recovering medium using the device |
| 04/20/2011 | CN101768659B Heat treatment technology of ultra-long mandrel |
| 04/20/2011 | CN101698900B Production technology method of low content alloy ultrahigh hardness wear-resistant steel plate |
| 04/20/2011 | CN101696466B Three-stage temperature annealing process for 30CrMnSiA cold rolled steel part |
| 04/20/2011 | CN101671768B Method for correcting quenching deformation out-of-tolerance of bearing ring of wind driven generator |
| 04/20/2011 | CN101649378B Method for low-temperature tempering heat treatment by using steel plate continuous heat-treating furnace |
| 04/20/2011 | CN101643832B Method for preventing circularity over tolerance of large gear ring after heat treatment |
| 04/20/2011 | CN101619381B Tempering method for sintering Nd-Fe-B permanent magnet |
| 04/20/2011 | CN101532119B Production device and technique used both for hot galvanizing and continuous annealing |
| 04/20/2011 | CN101531149B Preparation method of overlength Cu-Cr-Zr alloyed contact line |
| 04/20/2011 | CN101509060B Device for hardening of rails |
| 04/20/2011 | CN101492785B High-silicon Hadfield steel with remarkable strain hardening ability |
| 04/20/2011 | CN101492760B Anneal oxidation method for punching slice in annealing oven |
| 04/20/2011 | CN101403075B Wide-thick steel plate with yield strength of 460Mpa for bridge and method of manufacturing the same |
| 04/20/2011 | CN101343683B Method for manufacturing low-iron loss high-magnetic strength non-oriented electrical steel |
| 04/20/2011 | CN101307677B Renewed superhigh intensity distortion-resistant abrasion-proof oil well pipe and its process |
| 04/20/2011 | CN101287854B Method of continuous annealing/hot-dipping of steel sheet containing silicon and apparatus for continuous annealing/hot-dipping |
| 04/20/2011 | CN101235433B Locomotive wheel rim hoop fastening method |
| 04/19/2011 | CA2498929C Rapid cooling method for parts by convective and radiative transfer |
| 04/14/2011 | WO2011042123A1 Cast iron cast part and method for production thereof |
| 04/14/2011 | DE10360110B4 Temperierbares Bauteil Temperature-component |
| 04/13/2011 | EP2309008A2 Device for producing hardened steel components |
| 04/13/2011 | EP2309007A2 Device for hardening a cylindrical section of a workpiece and use of such a device |
| 04/13/2011 | EP2307581A1 Continuous production system for magnetic processing of metals and alloys to tailor next generation materials |
| 04/13/2011 | CN201793694U Roller way type solution heat treatment and quenching device |
| 04/13/2011 | CN201793665U Wire separation device for wire rod production lead kettle |
| 04/13/2011 | CN201793664U Water roller quenching device for steel strip |
| 04/13/2011 | CN201793660U Tube supporting device for steel tube quenching machine |
| 04/13/2011 | CN201793650U Workpiece quenching water-inlet mechanism |
| 04/13/2011 | CN201793648U New steel billet slow cooling device |
| 04/13/2011 | CN201793647U Furnace pressure stabilizing device for protective atmosphere heat treatment furnace |
| 04/13/2011 | CN201793646U Quenching gas recycling system |
| 04/13/2011 | CN201793645U Adjustable nozzle device for steel tube quenching machine |
| 04/13/2011 | CN201793644U Oblique jet flow cooler for quenching medium plate on line |
| 04/13/2011 | CN201793643U Reverse double-side stirring quenching device with propellers |
| 04/13/2011 | CN201793642U Quenching turnover mechanism |
| 04/13/2011 | CN201793641U Hydraulic furcated fixture |
| 04/13/2011 | CN201793640U Double-pipe spray nozzle device for valve quenching |
| 04/13/2011 | CN201793639U High-frequency quenching fail-safe device |
| 04/13/2011 | CN201793638U Novel cylinder-lifting type quenching lifting platform for multipurpose box-type furnace |
| 04/13/2011 | CN201793637U High-frequency quenching machine tool for shaft part |
| 04/13/2011 | CN201793636U Novel annealing furnace outlet bar |
| 04/13/2011 | CN201793635U U-shaped heat-recovery continuous isothermal spheroidizing annealing furnace |
| 04/13/2011 | CN201793634U Water cooling roller |
| 04/13/2011 | CN201793633U Decarburization-prevention annealing box for high carbon alloy steels |
| 04/13/2011 | CN201793632U Novel hood-type heating hood |
| 04/13/2011 | CN201793631U Quenching structure for push-rod type tempering production line |
| 04/13/2011 | CN201793630U Induction heating device for screw spikes |
| 04/13/2011 | CN201793629U Heating cabinet for heating mechanical part |
| 04/13/2011 | CN102016084A Heat treatment method for rolling bearing device for wheel and cooling device for inner shaft |
| 04/13/2011 | CN102012686A Method for accurately controlling low-pressure section of hardening machine to perform weak water cooling |
| 04/13/2011 | CN102012169A Method for secondarily recycling smoke gas waste heat of continuous annealing furnace |
| 04/13/2011 | CN102011598A Processing method for rotating device of shield tunneling splicing machine |
| 04/13/2011 | CN102011061A High-performance Cu-containing steel and heat processing process thereof |
| 04/13/2011 | CN102010981A Continuous annealing furnace of high-efficiency energy-saving metal strip |
| 04/13/2011 | CN102010980A Steel wire open firing, water quenching and thermal insulation combined isothermal quenching device |
| 04/13/2011 | CN102010979A Steel wire through pipe type heating, water quenching and thermal insulation combined isothermal quenching device |
| 04/13/2011 | CN102010973A Simple method for deformation control during carburizing and quenching of large-diameter heavy-duty gears |
| 04/13/2011 | CN102010971A All-hydrogen thermal treatment furnace of nuclear safety pipe |
| 04/13/2011 | CN102010970A Device for hardening rails |
| 04/13/2011 | CN102010969A Device for hardening rails |
| 04/13/2011 | CN102010968A Device for hardening rails |
| 04/13/2011 | CN102010967A Method and special cushion block for controlling deformation of oversize steel plate in high temperature heat treatment |
| 04/13/2011 | CN102010966A Induction heating localized tempering process for 30CrMnSiNi2A part |
| 04/13/2011 | CN102010964A Heating treatment technology for low-alloy bucket lip mesh tape |
| 04/13/2011 | CN102010943A Lead pan for quenching steel wire |
| 04/13/2011 | CN102010942A Device for correcting surface induction hardening distortion of slender axial workpieces and operating method |
| 04/13/2011 | CN102010941A Simple and easy method for avoiding defect of continuous induction quenching |
| 04/13/2011 | CN102010940A Laser surface treatment method of pass roll |
| 04/13/2011 | CN101745780B Method for manufacturing large-wire-diameter steel wire feed chute plates |
| 04/13/2011 | CN101649377B Hardness control method in steel roller welding process of steel coil decoiler |
| 04/13/2011 | CN101545086B Surface treating method of galvanizing colourful coating steel plate for tear-off tin pull ring |
| 04/13/2011 | CN101519718B Method for improving supporting strength of steel support |
| 04/13/2011 | CN101481779B High plasticity, high tenacity and ultra-high tensile steel, and manufacturing method thereof |