| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 02/13/2013 | EP2556174A1 Treatment of a heater tube intended for a pressurizer of the primary cooling system of a nuclear reactor |
| 02/13/2013 | CN202734581U Quenching furnace waste heat recycling system |
| 02/13/2013 | CN202733895U Heating furnace with turbine anti-backfire premixed spray nozzle |
| 02/13/2013 | CN202730193U Atmosphere gas purifying device for stainless steel strap bright annealing furnace |
| 02/13/2013 | CN202730189U Leaf spring step type quenching heating furnace |
| 02/13/2013 | CN202730188U Large-size mill half gear cooling and quenching heat treatment device |
| 02/13/2013 | CN202730187U Air blasting and cooling device |
| 02/13/2013 | CN202730186U Quenching device |
| 02/13/2013 | CN202730185U Arc gap nozzle of quenching tank |
| 02/13/2013 | CN202730184U Automatic deslagging device |
| 02/13/2013 | CN202730183U Quenching machine tool capable of automatically controlling temperature |
| 02/13/2013 | CN202730182U Quenching machine tool with rotary quenching mechanism |
| 02/13/2013 | CN202730181U Energy saving and environment protecting annealing furnace used for gas heating of cold rolling aluminium products |
| 02/13/2013 | CN202730180U Heating inductor |
| 02/13/2013 | CN202730179U Special equipment for medium-frequency induction quenching of precise temperature control track travelling wheel outer surface |
| 02/13/2013 | CN202729138U Movable automation equipment for tempering and stress relieving |
| 02/13/2013 | CN102933330A Three-dimensional curved surface processing apparatus for thick plate using high frequency induction heating by controlling automatic precise positioning of coil |
| 02/13/2013 | CN102926832A Timing chain of double VVT overhead camshaft engine for SUV and fabrication method |
| 02/13/2013 | CN102925903A Heat treatment method for die-casting die |
| 02/13/2013 | CN102925826A Integral panel creep aging forming tool based on autoclave |
| 02/13/2013 | CN102925817A Cold-rolled steel sheet with yield strength of 980 MPa grade and manufacturing method thereof |
| 02/13/2013 | CN102925805A Production method of ultrahigh-strength steel plate |
| 02/13/2013 | CN102925804A Method for producing ultrahigh strength steel plate |
| 02/13/2013 | CN102925802A Method for producing ultrahigh strength steel plate |
| 02/13/2013 | CN102925801A Production method of ultrahigh-strength steel plate |
| 02/13/2013 | CN102925800A Production method of ultrahigh-strength steel plate |
| 02/13/2013 | CN102925799A Production method of ultrahigh-strength steel plate |
| 02/13/2013 | CN102925794A Cold-rolled steel strip for double-layer welded tube |
| 02/13/2013 | CN102925792A Chemical composition and heat-treating process of steel for low-carbon silico-manganese cat-head |
| 02/13/2013 | CN102925788A Special material for insulator mold and preparation method of material |
| 02/13/2013 | CN102925785A Method for preparing ADI spheroidal graphite cast iron cushion block casts through vertical casting |
| 02/13/2013 | CN102925783A Method for preparing hypereutectic high chromium white cast iron |
| 02/13/2013 | CN102925658A Tissue and accuracy stabilized treatment method for high-carbon chromium steel bearing assembly |
| 02/13/2013 | CN102925657A Rolling deformation quenching composite reinforcing method of middle carbon alloyed steel bearing ring piece |
| 02/13/2013 | CN102925656A Preheating treatment method for supporting roller |
| 02/13/2013 | CN102925655A Thermal treatment method of cam shaft |
| 02/13/2013 | CN102925654A Crankshaft output end rod portion quenching technology |
| 02/13/2013 | CN102925644A Vacuum heat treatment and subzero treatment integrated machine |
| 02/13/2013 | CN102925643A Heat treatment device for large-diameter flanges |
| 02/13/2013 | CN102925642A Small workpiece quenching cooling device |
| 02/13/2013 | CN102925641A Method for controlling flow fields in quenching water tank of large cylindrical workpiece |
| 02/13/2013 | CN102925640A Device for performing heat treatment water bath quenching on bead wires |
| 02/13/2013 | CN102925639A Horizontal high-frequency quenching machine |
| 02/13/2013 | CN102925638A Heating and heat preservation device after welding of hollow shaft |
| 02/13/2013 | CN102925637A Spheroidizing annealing process of cold-finished and extruded gear blank |
| 02/13/2013 | CN102925636A Thermal treatment method for seamless steel bottle with phi 219*6.5mm |
| 02/13/2013 | CN102925635A Rail locomotive bolster lateral frame continuous pushing-disc type heat treatment production line |
| 02/13/2013 | CN102925634A Step furnace production line for quenching and tempering front axle of automobile |
| 02/13/2013 | CN102925633A Steel plate quenching cooling method and device |
| 02/13/2013 | CN102925632A Vertical high-frequency quenching machine |
| 02/13/2013 | CN102923650A Preparation method of reducing gas for annealing metal material |
| 02/13/2013 | CN102242363B Method for modifying seam surface material of cutting seam sieve tube |
| 02/13/2013 | CN102212664B Heat treatment method of stainless steel traction pin |
| 02/13/2013 | CN102115806B Heat treatment process for improving low temperature toughness of super-thick plates |
| 02/13/2013 | CN102080187B Large-thickness Cr-Mo system 12Cr2Mo1R container steel and production method thereof |
| 02/13/2013 | CN101671800B Metal heat treatment device and method |
| 02/12/2013 | US8372222 Method of producing locally austempered ductile iron |
| 02/12/2013 | US8371362 Method and apparatus for the production of a casting |
| 02/07/2013 | US20130032977 Mist cooling apparatus and heat treatment apparatus |
| 02/07/2013 | US20130032256 Method for manufacturing and utilizing ferritic-austenitic stainless steel with high formability |
| 02/07/2013 | DE102011109534A1 Verfahren und Vorrichtung zur Kühlung von kontinuierlich durchlaufendem Material Method and apparatus for cooling continuously running material |
| 02/07/2013 | DE102011080528B3 Verfahren und Werkzeug zur Wärmebehandlung von Aluminiumblechwerkstoff sowie nach einem derartigen Verfahren wärmebehandelter Aluminiumblechwerkstoff Methods and tools for heat treatment of aluminum sheet material and heat-treated by such a method aluminum sheet material |
| 02/06/2013 | EP2554709A1 Bearing part, bearing and bearing part inspection method |
| 02/06/2013 | EP2554688A1 METHOD FOR PRODUCING HIGH-Si COLD ROLLED STEEL SHEET HAVING EXCELLENT CHEMICAL CONVERSION TREATABILITY |
| 02/06/2013 | EP2554686A1 Method for producing harmonic drive gear base material |
| 02/06/2013 | EP2554329A1 Cutting method for steel for use in machine structure |
| 02/06/2013 | EP2553373A1 Continuous gas carburizing furnace |
| 02/06/2013 | CN202717822U Heat treatment production line for wire rod online rust protection |
| 02/06/2013 | CN202717818U Large-sized ring quenching equipment |
| 02/06/2013 | CN202717814U Tunnel type quenching device for steel tube |
| 02/06/2013 | CN202717812U Crystallization heat treatment device for producing neodymium iron boron (NdFeB) magnetic materials |
| 02/06/2013 | CN202717811U Pump type circular mixing device for quenching tank |
| 02/06/2013 | CN202717810U Vacuum rapid quenching device for producing neodymium iron boron (NdFeB) magnetic materials |
| 02/06/2013 | CN202717809U Double-finger vertical quenching machine tool for automatically clamping workpieces |
| 02/06/2013 | CN202717808U Step automatic horizontal gear quenching machine tool |
| 02/06/2013 | CN202717807U Automatic workpiece clamping device of vertical quenching machine tool |
| 02/06/2013 | CN202717806U Novel high-frequency quenching machine tool |
| 02/06/2013 | CN202717805U Integral continuous quenching machine tool |
| 02/06/2013 | CN202717804U Straight-through annealing furnace protective gas humidification device |
| 02/06/2013 | CN202717803U Isoenthalpy type protection gas humidification device of annealing furnace |
| 02/06/2013 | CN202717802U Continuous oil quenching tempering production line |
| 02/06/2013 | CN202717801U Induction hardening machine for screw |
| 02/06/2013 | CN202717354U Tensioning-claw-type material grabbing device |
| 02/06/2013 | CN102918347A Mist cooling apparatus and heat treatment apparatus |
| 02/06/2013 | CN102912255A Wear-resisting cast steel and preparation method thereof |
| 02/06/2013 | CN102912253A High-frequency straight welded pipe and manufacturing method thereof |
| 02/06/2013 | CN102912251A High strength microstress steel and production process thereof |
| 02/06/2013 | CN102912248A High-toughness wear resistant martensitic stainless steel and production method thereof |
| 02/06/2013 | CN102912220A Composition design and preparation method of J55-level expansion pipe adopted in petroleum and natural gas drilling |
| 02/06/2013 | CN102912218A Tinned raw-steel plate with excellent stamping property and method for manufacturing tinned raw-steel plate |
| 02/06/2013 | CN102912210A Production method for multi-element alloy steel |
| 02/06/2013 | CN102912198A Method for processing an aluminum alloy to inhibit large grains from forming |
| 02/06/2013 | CN102912108A Heat treatment process for improving microstructure and properties of micro-alloy steel weld joint |
| 02/06/2013 | CN102912106A High-frequency quenching technique of medium-carbon steel engine gear |
| 02/06/2013 | CN102912097A Ring type water through cooling device used for steel rolling quenching |
| 02/06/2013 | CN102912096A Self-locking ring-type furnace mouth seal structure suitable for vacuum high-pressure gas quenching furnace |
| 02/06/2013 | CN102912095A Heat exchanger suitable for being used in vacuum high-pressure gas quenching furnace |
| 02/06/2013 | CN102912094A Quench machine tool |
| 02/06/2013 | CN102912093A Production technological method for ultralow-hardness low-alloy steel |
| 02/06/2013 | CN102912092A After-forging waste heat isothermal normalizing technology for 42CrMo steel extra large size bearing ring forge piece |