| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 01/19/2011 | CN201713540U Cooling system for heat treatment medium |
| 01/19/2011 | CN201713539U Adjustable bracket for avoiding damage of motor due to resonance |
| 01/19/2011 | CN101949649A Annealing furnace combustion air preheating device |
| 01/19/2011 | CN101948987A High-strength and high-toughness steel plate and manufacturing method thereof |
| 01/19/2011 | CN101948952A Single-ingot power frequency heating furnace |
| 01/19/2011 | CN101948947A Heat treatment technology of spheroidal graphite cast iron piston ring |
| 01/19/2011 | CN101948946A Antioxidant for preventing billet from being oxidized on surface during heating and preparation method thereof |
| 01/19/2011 | CN101948945A Rotary flat-flame burner of annealing furnace |
| 01/19/2011 | CN101948944A Processing method for preventing deformation of chassis mould of full-automatic coffee machine |
| 01/19/2011 | CN101948943A Mold surface quenching device and method |
| 01/19/2011 | CN101671792B Spring steel and preparation method thereof |
| 01/19/2011 | CN101660036B Heat treating method of high strength and high ductility steel tube |
| 01/19/2011 | CN101591726B Cold drawing method for medium-carbon steel bar |
| 01/19/2011 | CN101566066B High-intensity hydraulic support pipe with wall thickness of 60mm-70mm |
| 01/19/2011 | CN101565783B Gold alloy with 18k span effect and preparation method thereof |
| 01/19/2011 | CN101549449B Processing technology for high-strength large hexagon head bolt used for steel structure |
| 01/19/2011 | CN101545077B Steel used at lower temperature and method for manufacturing same |
| 01/19/2011 | CN101543947B Method for manufacturing spring of derrick centralizer |
| 01/19/2011 | CN101519716B Metal card clothing embedding oil quenching device |
| 01/19/2011 | CN101480663B Manufacturing technology of high-alloy centrifugal compound cast steel supporting roll |
| 01/19/2011 | CN101435015B Trolley type annealing furnace |
| 01/19/2011 | CN101333625B High temperature resistant and abrasion resistant martensitic stainless steel and preparation method |
| 01/19/2011 | CN101297048B Process for producing sliding rings and/or mating rings of a sliding-ring seal by means of laser hardening |
| 01/19/2011 | CN101184860B Carburized induction-hardened component |
| 01/19/2011 | CN101134232B Technique for producing anticentripetal composite abrasion-proof hammer tools |
| 01/13/2011 | WO2011004061A1 Method and apparatus for cooling material by atomised spray |
| 01/13/2011 | WO2011003119A1 Tower furnace for heat treating a metal strip in a protective gas atmosphere |
| 01/13/2011 | US20110008648 High-strength steel sheet, strength member for vehicles using the same, and method for producing strength member for vehicles |
| 01/13/2011 | US20110006465 Method and plant for heat treatment of metallic elements |
| 01/13/2011 | US20110006255 Method for fabricating a molten product based on lanthanum and manganese |
| 01/13/2011 | DE10222098B4 Verfahren zur Wärmebehandlung von einem Bauteil aus einer härtbaren Leichtmetalllegierung A method of heat treatment of a component made of a curable light metal alloy |
| 01/12/2011 | EP2272995A1 A manufacturing method of oriented si steel with high electric-magnetic property |
| 01/12/2011 | EP2271590A1 Forming of metallic glass by rapid capacitor discharge |
| 01/12/2011 | EP2038435B1 Method for manufacturing spheroidal cast iron mechanical components |
| 01/12/2011 | CN201704377U Gas circulatory injection cooling device |
| 01/12/2011 | CN201704372U High-temperature furnace roll adopting air-cooling technology |
| 01/12/2011 | CN201704370U Lead pot circulating cooling device |
| 01/12/2011 | CN201704369U Induction heating annealing device for metal wires |
| 01/12/2011 | CN201704366U End induction heating device |
| 01/12/2011 | CN201704363U Cooling nozzle capable of continuously adjusting jet width |
| 01/12/2011 | CN201704362U Desalted water recycling equipment of water quench circulation system of annealing furnace |
| 01/12/2011 | CN201704361U Full automatic workpiece quenching device |
| 01/12/2011 | CN201704360U Gas circulating spray cooling device with afterheat recycling function |
| 01/12/2011 | CN201704359U Vertical annealing furnace pressure control device |
| 01/12/2011 | CN201704358U Suspending drop type bonding wires annealing liquid continuous applying device |
| 01/12/2011 | CN201704357U Electromagnet type transverse magnetic field thermal processing equipment |
| 01/12/2011 | CN201704356U Anti-oxidation protector of car bottom heat treatment furnace |
| 01/12/2011 | CN201702608U Ball distributing mechanism of steel bar processer |
| 01/12/2011 | CN1851006B Laser reinforcing technological method for circular saw bit |
| 01/12/2011 | CN101944466A Method for manufacturing elastic tube shell of slow-wave system of traveling wave tube |
| 01/12/2011 | CN101943297A Metal reinforcement structural wall plastic pipe and manufacture method |
| 01/12/2011 | CN101942615A Machining method of high-strength and ultra high-strength steel tubes |
| 01/12/2011 | CN101942614A High-strength special steel and machining method thereof |
| 01/12/2011 | CN101942613A Method for processing high-strength and ultrahigh-strength shaped steel |
| 01/12/2011 | CN101942606A Nitrogen alloyed austenitic hot work die steel and preparation method thereof |
| 01/12/2011 | CN101942545A Steel wire rod for solid wire showing excellent acid pickling property, and method of manufacturing the same |
| 01/12/2011 | CN101942544A Structure for putting bricks into annealing electric stove hearth |
| 01/12/2011 | CN101698899B Single-column open gear die press quenching machine tool |
| 01/12/2011 | CN101665863B Environment-friendly water-soluble quenching liquid |
| 01/12/2011 | CN101628374B Method for preparing forging mould by double-layer metal resurfacing welding based on cast steel substrate |
| 01/12/2011 | CN101590589B Method for producing transmission part |
| 01/12/2011 | CN101560595B Induction heat processing method of truck longeron and device thereof |
| 01/12/2011 | CN101524947B High-performance stainless steel wheel hub of automobile and manufacturing method thereof |
| 01/12/2011 | CN101509059B Thermal treatment method for multi-link lever press off-centering body |
| 01/12/2011 | CN101476025B Oblique fillet type ring induction quenching machine |
| 01/11/2011 | US7867345 Manufacturing method of thin component, bearing ring, thrust needle roller bearing, manufacturing method of rolling bearing ring, rolling bearing ring, and rolling bearing |
| 01/06/2011 | WO2011001124A1 Method for producing martensitic steel with mixed hardening |
| 01/06/2011 | US20110003645 Constant velocity universal joint |
| 01/06/2011 | US20110000588 Continuous production system for magnetic processing of metals and alloys to tailor next generation materials |
| 01/06/2011 | US20110000586 Rare earth magnet and its preparation |
| 01/06/2011 | CA2766779A1 Method for producing martensitic steel with mixed hardening |
| 01/05/2011 | EP1512762B1 Method for producing cold rolled steel plate of super high strength |
| 01/05/2011 | DE102009025896A1 Warmumformung mit Einlegematerial Hot stamping with inlay material |
| 01/05/2011 | DE10024990B4 Verfahren und Vorrichtung zum induktiven Härten von Kurbelwellen Method and apparatus for induction hardening of crankshafts |
| 01/05/2011 | CN201695064U Steel thermal treatment cooling and shaping sprinkler |
| 01/05/2011 | CN201695063U Metal guide bracket for tempering production line |
| 01/05/2011 | CN201695061U Inductor of gear shift lever |
| 01/05/2011 | CN101935810A Method for manufacturing low-cost super-high intensity steel plate with yield strength of over 960 MPa for wide process operation window |
| 01/05/2011 | CN101935748A Automatic quenching device |
| 01/05/2011 | CN101935746A Annealing treatment method for coiled iron core of triangular coiled iron core transformer |
| 01/05/2011 | CN101935743A Medium plate on-line quenching inclined jet flow cooler |
| 01/05/2011 | CN101935742A Annealing method for preparing nanocrystalline alloy with excellent soft magnetic property |
| 01/05/2011 | CN101934467A Machining process of high strength bolt for steel space frame bolted spherical joint |
| 01/05/2011 | CN101934466A Technology for processing high strength large hexagon-headed bolt used for steel structure |
| 01/05/2011 | CN101934405A Brazing method |
| 01/05/2011 | CN101934297A Suspended hot extrusion forming method for blanks |
| 01/05/2011 | CN101934242A Combined hammer head and manufacturing process thereof |
| 01/05/2011 | CN101665860B Laser heat treatment method of large taper screw thread of drill collar and circular bead surface |
| 01/05/2011 | CN101660026B High specific gravity alloy material electric pulse annealing technical method |
| 01/05/2011 | CN101643831B Automatic high-frequency induction hardening device of rotary large-diameter seamless hot-expanding steel tube |
| 01/05/2011 | CN101638714B Numerical control 6-station automatic sizing quenching press |
| 01/05/2011 | CN101623719B Method for manufacturing stainless steel heat transfer pipe of nuclear heat exchanger |
| 01/05/2011 | CN101603148B Method for producing economic low-temperature heating oriented electrical steel |
| 01/05/2011 | CN101597724B Alloy structural steel and production method thereof |
| 01/05/2011 | CN101597722B Multielement ferroboron resisting zinc liquid corrosion and preparation method thereof |
| 01/05/2011 | CN101571355B Strong loop quick cooling chamber |
| 01/05/2011 | CN101570839B High field aging heat treatment method for aluminum alloy |
| 01/05/2011 | CN101560635B Technical method for producing heat-resisting alloy steel casting below 1100 DEG C |
| 01/05/2011 | CN101545033B Single-wire single-control wire take-up system for hard-drawn microwire |
| 01/05/2011 | CN101545029B Method for improving corrosion performance of bulk amorphous alloy through oxidizing annealing in air atmosphere |