| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 09/01/2010 | CN201569254U Water pursing device of preprocessing filament plate strip |
| 09/01/2010 | CN201567357U Gas pipe automatic joint for full-hydrogen hood-type annealing furnace |
| 09/01/2010 | CN201567351U Constant-pressure uninterrupted methanol supply device |
| 09/01/2010 | CN201567350U Atomizing gas quenching device |
| 09/01/2010 | CN201567349U Secondary mesh belt adjustable oil circulation equipment of oil tank of mesh belt furnace |
| 09/01/2010 | CN201567348U Induction coil used for quenching of inner chamber |
| 09/01/2010 | CN201565385U Atomizing nozzle and hand-held atomizing gas quenching device with the same |
| 09/01/2010 | CN1833046B Steel for hydrogen gas environment, structural hardware member and method for producing same |
| 09/01/2010 | CN101821413A Steel for producing machine components formed from solid stock |
| 09/01/2010 | CN101818309A Air bottle steel and manufacturing method thereof |
| 09/01/2010 | CN101818305A Cu-containing steel product of excellent surface property and process for producing the same |
| 09/01/2010 | CN101818304A Ultra-large linear energy input welding high-strength steel and production method thereof |
| 09/01/2010 | CN101818297A Manufacturing method of high-strength pearlitic nodular cast iron calendaring mould material |
| 09/01/2010 | CN101818241A Heat treatment method of steel bar |
| 09/01/2010 | CN101818240A Thermal processing method for medium carbon silicon manganese low alloy steel railway wheel |
| 09/01/2010 | CN101818239A Railway wheel heat treatment heating furnace and heat treatment process thereof |
| 09/01/2010 | CN101818236A Method for manufacturing high carbon steel wheel |
| 09/01/2010 | CN101818235A Manufacturing method of rough-rolled tyre for railway locomotive |
| 09/01/2010 | CN101818234A Quenching process of H13 steel for compression molds |
| 09/01/2010 | CN101818233A Process for quenching die-cutting rule band steel for printing |
| 09/01/2010 | CN101817017A Precision forming method of ultrathin stainless steel substrate for flexible product, obtained substrate and application thereof |
| 09/01/2010 | CN101596553B High speed steel roll collar applied to high speed wire rolling mill and manufacture method thereof |
| 09/01/2010 | CN101503752B Linear translation relative transmission method for a pair of moving air chests and transmission mechanism |
| 09/01/2010 | CN101487077B Isothermal normalizing method for alloy carburizing steel gear and forging shaft for wind power generator |
| 09/01/2010 | CN101358275B Upper layer heat exchange type continuous annealing furnace |
| 09/01/2010 | CN101157172B Method of preparing medical high-precision titanium and titanium alloy rod bar |
| 09/01/2010 | CN101056721B Method for producing metal |
| 08/26/2010 | WO2010094891A1 Method for processing parts for kitchen tools |
| 08/26/2010 | WO2010094735A2 Quenching machine and method for fixture quenching by induction |
| 08/26/2010 | WO2010094538A1 Method for producing a press-quenched metal component |
| 08/26/2010 | US20100213647 Process and installation for heating a metallic strip, notably for an annealing |
| 08/26/2010 | US20100212785 High-strength low-alloy steel excellent in high-pressure hydrogen environment embrittlement resistance characteristics and method for producing the same |
| 08/26/2010 | DE102009000238B3 Verfahren und Vorrichtung zur Wärmebehandlung von Bauteilen A method and apparatus for heat treating of components |
| 08/26/2010 | CA2752855A1 Method for producing a press-hardened metal component |
| 08/25/2010 | EP2221389A1 Method of heat-treating steel, process for producing machine part, and machine part |
| 08/25/2010 | EP2220259A1 Method for the production of coated and hardened components made of steel, and coated and hardenable steel strip therefor |
| 08/25/2010 | EP1377125B1 Heat insulating board of induction heating apparatus |
| 08/25/2010 | CN201561660U Thermal energy recovery heat exchanger |
| 08/25/2010 | CN201560223U Gear simultaneous double-frequency induction quenching power supply |
| 08/25/2010 | CN201560221U Thermal treatment device of low-temperature cast steel product |
| 08/25/2010 | CN201560220U Heat treatment equipment of cast steel product |
| 08/25/2010 | CN201560219U Heat treatment equipment of low-temperature alloy steel product |
| 08/25/2010 | CN201560218U Heat treatment device for alloy cast steel |
| 08/25/2010 | CN201560217U Oil-quenching tank shifting rapid transfer mechanism |
| 08/25/2010 | CN201560216U Flame hot-processing device |
| 08/25/2010 | CN201560215U Inlet sealing structure of vertical bright annealing furnace |
| 08/25/2010 | CN201560214U Vertical bright annealing furnace |
| 08/25/2010 | CN201560213U Cooling device of a vertical bright anneal furnace |
| 08/25/2010 | CN201560212U Annealing machine having major diameter |
| 08/25/2010 | CN201560211U Valve open-fire tempering machine |
| 08/25/2010 | CN201560210U Pedal universal joint replica sensor |
| 08/25/2010 | CN201559194U Material loading and fetching manipulator for heat treatment |
| 08/25/2010 | CN101812647A Diphase stainless steel and manufacturing method thereof |
| 08/25/2010 | CN101812645A Ring forge piece material of wind power rotary supporting ring and ring forge piece manufacturing technology thereof |
| 08/25/2010 | CN101812634A Low-carbon low-welding crack-sensitive high-strength steel and steel plate and manufacture method thereof |
| 08/25/2010 | CN101812577A Method for reducing stress cracks of wheel blanks |
| 08/25/2010 | CN101812576A Heat treatment process of 1Cr13 thick-wall tubing |
| 08/25/2010 | CN101812570A Method for drawing patterns on surface of high magnetic induction oriented silicon steel |
| 08/25/2010 | CN101812569A Spade heat-treatment medium recovering device and method for recovering medium using the device |
| 08/25/2010 | CN101549360B A high-boron cast alloy guide and its heat treatment method |
| 08/25/2010 | CN101532141B Method for in situ producing aluminide reinforced layer on surface of aluminum alloy |
| 08/25/2010 | CN101466852B Device for securing a furnace provided with a rapid cooling and heating system operating under controlled atmosphere |
| 08/25/2010 | CN101440426B Surface quenching heat treatment method for railway wagon heavy duty vehicle coupler body and drawbar terminal pin hole |
| 08/25/2010 | CN101381800B Normalizing heat treatment technique of supercritical steel |
| 08/25/2010 | CN101380710B Processing method of limit ring of vortex type automobile air conditioner compressor |
| 08/25/2010 | CN101332560B Plastic working technique for increasing damping performance of high-strength wrought magnesium alloys |
| 08/24/2010 | US7779661 Cooling apparatus for a hot rolled steel strip and methods for cooling a hot rolled steel strip |
| 08/24/2010 | CA2444399C Method for enhancing the metallurgical quality of products treated in a furnace |
| 08/19/2010 | WO2010092659A1 Heat treatment device and heat treatment method |
| 08/19/2010 | US20100207305 System for cooling shape-rolled rails |
| 08/19/2010 | DE102009007826A1 Heizvorrichtung zur Erwärmung einer metallenen Platine Heating apparatus for heating a metal plate |
| 08/18/2010 | EP2218998A1 A sealing mechanism for a vacuum heat treating furnace |
| 08/18/2010 | EP2218799A1 Carbonitrided induction-hardened steel part with excellent rolling contact fatigue strength at high temperature and process for producing the same |
| 08/18/2010 | EP2217733A1 Process for hardening groove flanks of the annular groove of a steel piston by means of a laser beam |
| 08/18/2010 | CN201553774U Adjustable charging rack |
| 08/18/2010 | CN201553763U Automatically controlled steel bottle quenching and tempering heat treatment production device |
| 08/18/2010 | CN201553761U Heat-treatment equipment of abrasion-resistant steel for engineering purposes |
| 08/18/2010 | CN201553760U Heat treatment equipment of low-temperature abrasion-resistant steel |
| 08/18/2010 | CN201553759U Heat treatment device for abrasion resistant alloy cast steel |
| 08/18/2010 | CN201553758U Insulation structure of high-frequency quenching workpiece positioning clamp |
| 08/18/2010 | CN201553757U Quenching die of clutch diaphragm spring |
| 08/18/2010 | CN201553756U External-heat-source-free mobile forging residual-heat annealing device |
| 08/18/2010 | CN201553755U Thin thermal-protective coating box type low-temperature annealing furnace |
| 08/18/2010 | CN201553754U Thermal refining device of air valve blank |
| 08/18/2010 | CN101809174A Quenching method and device of ring-shaped article |
| 08/18/2010 | CN101809172A Insulation structure of induction heating coil |
| 08/18/2010 | CN101805882A Process for controlling deformation of gas nitrocarburizing part |
| 08/18/2010 | CN101805872A Alloy pipe containing 18-24% of Mn and manufacturing method thereof |
| 08/18/2010 | CN101805871A Steel used for solid expandable casing of oil and gas well and manufacturing method of expandable casing |
| 08/18/2010 | CN101805824A Interrupted quenching thermal treatment method of 42CrMo4 roller shaft |
| 08/18/2010 | CN101805823A Heat treatment process for mining cone bit friction pair |
| 08/18/2010 | CN101805820A Prehardening treatment method of plastic mould steel |
| 08/18/2010 | CN101805819A Hardening and tempering method of thick steel plates for pressure container |
| 08/18/2010 | CN101538695B Multifunctional device used for plating layer research |
| 08/18/2010 | CN101530863B Alloy cast steel roll and preparation method thereof |
| 08/18/2010 | CN101519715B Electrode clamping and positioning device for bar heating |
| 08/18/2010 | CN101476028B Skew roller table double-deck furnace |
| 08/18/2010 | CN101476024B Easy-to-cut high-carbon steel annealing non-oxidation process |
| 08/18/2010 | CN101210302B Middle and low carbon bainite high-strength high-ductility steel and manufacturing method thereof |
| 08/17/2010 | US7776165 stress relieving turbines, molds or dies, then grinding, sanding, milling, etching, polishing and heat treating, and coating or plating the surfaces |