| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 09/25/2013 | CN102492810B Automatic loading device for quenching machine |
| 09/25/2013 | CN102459678B Carburized component and manufacturing method therefor |
| 09/25/2013 | CN102453793B Annealing isolation agent used for preparing mirror surface-oriented silicon steel with excellent magnetic property |
| 09/25/2013 | CN102400043B Large-thickness steel plate for oceaneering |
| 09/25/2013 | CN102383073B On-line solid solution furnace |
| 09/25/2013 | CN102113066B Article for magnetic heat exchange and method of fabricating article for magnetic heat exchange |
| 09/25/2013 | CN102084011B Method for shaping from a blank of a hardening material with differential cooling |
| 09/25/2013 | CN102039384B Manufacturing method of composite coating layer on surface of high-resistant crystallizer or crystallizing roller |
| 09/25/2013 | CN101921902B Induction quenching method of shifting guide shaft of automatic transmission |
| 09/19/2013 | WO2013137454A1 Hot-press molded article and method for producing same |
| 09/19/2013 | WO2013137453A1 Hot-press molded article and method for producing same |
| 09/19/2013 | WO2013137376A1 Heat treating oil composition |
| 09/19/2013 | WO2013137308A1 Method for strengthening steel plate member |
| 09/19/2013 | DE102012106713B3 Cooling device for induction-hardening device for curing stabilizer bar used in motor car, has deterrence shower that is pivotally mounted so that deterrence shower is oriented in optimum position in dependence of cooling of bar |
| 09/19/2013 | DE102012102194A1 Furnace useful for thermal treatment of metallic components, comprises heat source, preferably radiant heat source provided in first temperature zone such that first portion of component is heated and/or maintained at specific temperature |
| 09/19/2013 | DE102012102193A1 Furnace installation for thermal treatment of metallic circuit board, used in motor car, has circuit board whose regions are respectively tempered at moderate temperature by radiant heat sources and are conductively heated |
| 09/18/2013 | EP2639329A2 Graphene-coated steel sheet, and method for manufacturing same |
| 09/18/2013 | CN203200330U Machine for relieving stress of sintered hard alloy |
| 09/18/2013 | CN203200315U Steel belt quenching device |
| 09/18/2013 | CN203200314U Online annealing lead device of mild steel wire |
| 09/18/2013 | CN203200312U Gear induction heating system |
| 09/18/2013 | CN203200311U Small-sized shaft part quenching fixture mechanism |
| 09/18/2013 | CN203200310U Motor shaft quenching equipment |
| 09/18/2013 | CN203200307U Circulating cooling system capable of reducing water temperature in quenching water tank |
| 09/18/2013 | CN203200306U 淬火框 Quenching box |
| 09/18/2013 | CN203200305U Multifunctional aluminium alloy cooling furnace |
| 09/18/2013 | CN203200304U Steel shot quenching device realizing continuous production |
| 09/18/2013 | CN203200303U Heat preservation aging device |
| 09/18/2013 | CN203200302U Annealing furnace |
| 09/18/2013 | CN203200301U External cooling water spraying device for middle-frequency quenching |
| 09/18/2013 | CN103314122A Heat treatment apparatus for annealing process |
| 09/18/2013 | CN103314120A Process for producing hot stamp molded article, and hot stamp molded article |
| 09/18/2013 | CN103314119A Method for manufacturing bearing ring, bearing ring, and rolling bearing |
| 09/18/2013 | CN103306926A Phase change graded sma actuators |
| 09/18/2013 | CN103306611A Special-shaped drill rod used for coal mining and processing technology of drill rod |
| 09/18/2013 | CN103305777A Large-caliber extra-thick-walled seamless steel pipe and manufacturing method thereof |
| 09/18/2013 | CN103305774A Manufacturing method of metal abrasion-proof anti-corrosion anti-rust pipeline |
| 09/18/2013 | CN103305773A Preparation method of anti-corrosion high-temperature-resistant wear-resistant casting pipe |
| 09/18/2013 | CN103305772A High-hardness slurry pump body and manufacturing method thereof |
| 09/18/2013 | CN103305771A Iron-based dual-phase coupled alloy and preparation method thereof |
| 09/18/2013 | CN103305768A Steel for low-carbon equivalent seawater corrosion resisting ocean platform rack and production method of steel |
| 09/18/2013 | CN103305757A High-strength steel plate for automobile and production method thereof |
| 09/18/2013 | CN103305683A Low-power burner combustion control system and method for continuous annealing furnace |
| 09/18/2013 | CN103305681A Adjusting device for dew point of atmosphere in continuous annealing unit |
| 09/18/2013 | CN103305680A Method for producing cold-rolled sheet by means of cover annealing blowing |
| 09/18/2013 | CN103305678A Steel pipe inner wall hardening and quenching device and steel pipe inner wall hardening and quenching method |
| 09/18/2013 | CN103305677A Thermal treatment technology of 45 steel thin-wall sleeve |
| 09/18/2013 | CN103305676A Rotary retort-type heat treatment furnace |
| 09/18/2013 | CN103305672A Heat treatment process for ultra-large type tube plate forge piece of pressure container |
| 09/18/2013 | CN103305668A Thermal treatment method of 23CrNi3Mo and application of 23CrNi3Mo in drilling tool |
| 09/18/2013 | CN103305667A Vacuum heat treatment equipment |
| 09/18/2013 | CN103305666A Semiaxis quench machining tool and water ejector thereof |
| 09/18/2013 | CN103305665A Method for strengthening welding line by laser temperature shock free of absorption layer |
| 09/18/2013 | CN103305664A High alloy steel hot straightening roll and preparation method thereof |
| 09/18/2013 | CN103305663A Martensite lath tissue refining method under effect of strong magnetic field of heat-resistant steel of 9-12% Cr system |
| 09/18/2013 | CN103302464A Anti-fatigue manufacturing method of car transmission gear |
| 09/18/2013 | CN103302262A Continuous casting plate blank surface quenching technology and used device |
| 09/18/2013 | CN103302125A On-line bending and forming device of three-dimensional variable-radian extrusion profile |
| 09/18/2013 | CN103302095A Production process of alloy material for electric automobile |
| 09/18/2013 | CN102719737B High-toughness normalizing steel plate with 460MPa yield strength and manufacturing method thereof |
| 09/18/2013 | CN102643975B Heat treatment method for grain refinement of NiCrMoV steel forging piece |
| 09/18/2013 | CN102574273B Shot peening treatment method for steel product |
| 09/18/2013 | CN102527892B Manufacturing method of martensitic stainless steel forged piece with high electric resistivity and high magnetic conductivity |
| 09/18/2013 | CN102517515B Phi 177.8*9.19 seamless steel pipe with high steel grade for petroleum and manufacturing method |
| 09/18/2013 | CN102424899B High-speed steel annealing method |
| 09/18/2013 | CN102392111B Air-quenched vibrating device for heat treatment |
| 09/18/2013 | CN102331802B System and method for controlling temperature of furnace area of annealing furnace |
| 09/18/2013 | CN101643886B Stainless steel for cutter and manufacture method thereof |
| 09/17/2013 | US8535455 Treatment solution for insulation coating for grain oriented electrical steel sheet and method for producing grain oriented electrical steel sheet having insulation coating |
| 09/12/2013 | WO2013133137A1 Process for producing press-formed product and press-formed product |
| 09/12/2013 | WO2013133107A1 Heating abnormality detection device and electrical heating system |
| 09/12/2013 | WO2013133042A1 Metal pipe manufacturing method and manufacturing equipment |
| 09/12/2013 | WO2013132816A1 Steel sheet for hot pressing, manufacturing process therefor, and process for producing hot-pressed member using same |
| 09/12/2013 | WO2013131849A1 Bolt-like fastening element, in particular drilling screw, and connection established thereby |
| 09/12/2013 | US20130233040 Method and apparatus for non-contact surface enhancement |
| 09/11/2013 | EP2636759A1 Method for manufacturing automobile part having different local strengths using heat-treatment hardening steel plate |
| 09/11/2013 | EP2635716A2 Uv laser exposure of housings and components of door drives and door closers |
| 09/11/2013 | CN203187759U Hardware heat treatment production device |
| 09/11/2013 | CN203187734U Cable protection structure for aluminum profile aging furnace feeding device |
| 09/11/2013 | CN203187725U Waste heat recovery device in heat treatment process of steel wire |
| 09/11/2013 | CN203187724U Carburizing and quenching fixture for gear shaft |
| 09/11/2013 | CN203187723U Roller-hearth type continuous solid melting furnace with energy recovery device |
| 09/11/2013 | CN203187722U High-frequency automatic tempering machine |
| 09/11/2013 | CN203187718U Disposable quenching-bending clamp of tool |
| 09/11/2013 | CN203187717U Chain plate conveying type grinding ball quenching machine |
| 09/11/2013 | CN203187716U Spray thrower for induction quenching |
| 09/11/2013 | CN203187715U Roll straightening and quenching equipment for automotive torsion rod spring |
| 09/11/2013 | CN203187714U Waste heat quenching closed type circulation cooling device for engine connecting rod |
| 09/11/2013 | CN203187713U Rapid agitating device of quenching oil tank |
| 09/11/2013 | CN203187712U Automatic aligning quenching machine |
| 09/11/2013 | CN203187711U Hardware drying and tempering device |
| 09/11/2013 | CN203187710U Box type heating furnace |
| 09/11/2013 | CN203187709U Annealing furnace with furnace lid conveniently closed |
| 09/11/2013 | CN203187708U Annealing furnace |
| 09/11/2013 | CN203187707U Car rack induction quenching-tempering heat treatment line |
| 09/11/2013 | CN203187706U V-shaped furnace roller for tempering heating furnace |
| 09/11/2013 | CN203187705U Production line device for thermal treatment of valve roughcast |
| 09/11/2013 | CN103290336A Preparation method of wear-resistant cast pipe with high-temperature oxidation resistant corrosion-resistant layer |
| 09/11/2013 | CN103290332A Wear-resistant metal pipeline with inner corrosion-resistant coating |
| 09/11/2013 | CN103290309A High-strength cold-rolled steel plate with excellent chemical conversion treatability and preparation method thereof |