| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 07/25/2013 | DE112011102489T5 Verfahren zur Herstellung einer Feder sowie elektrische Heizeinrichtung A method of manufacturing a spring as well as electric heating means |
| 07/25/2013 | DE102012201082A1 Verfahren zur Herstellung geschmiedeter Bauteile aus einer TiAl-Legierung und entsprechend hergestelltes Bauteil A method for manufacturing forged components made of a TiAl alloy, and accordingly component produced |
| 07/24/2013 | EP2617838A1 Method for operating an oven and oven |
| 07/24/2013 | EP2616561A1 Martensitic stainless steel machineability optimization |
| 07/24/2013 | CN203080028U Continuous copper strip annealing device for welding strips |
| 07/24/2013 | CN203080026U Stainless steel wire continuous annealing furnace |
| 07/24/2013 | CN203080019U Air-cooled quenching device without material frame |
| 07/24/2013 | CN203080018U Online water-cooling quenching equipment |
| 07/24/2013 | CN203080017U Quenching frame |
| 07/24/2013 | CN203080016U Cooling device for stainless steel protection pipe of cooling section of stainless steel annealing and acid washing production line |
| 07/24/2013 | CN203080015U Annealing cooling system |
| 07/24/2013 | CN203080014U Magnetic core heat treatment and magnetization power supply system |
| 07/24/2013 | CN203080013U Metal heat treatment supporter |
| 07/24/2013 | CN103221581A Steel sheet for hot pressing and method for producing hot-ressed member using steel sheet for hot pressing |
| 07/24/2013 | CN103221566A Non-heat-treated steel for soft nitriding, and soft-itrided component |
| 07/24/2013 | CN103217020A Device and system for efficient and energy-saving combustion of casting annealing furnace |
| 07/24/2013 | CN103215517A Seamless steel pipe for rare-earth-containing humidity-resistant and H2S corrosion resistant L485QS pipeline and production method thereof |
| 07/24/2013 | CN103215514A Cold rolling working roll for cold rolling silicon steel and manufacturing method thereof |
| 07/24/2013 | CN103215509A ZG30MnSiCu cast steel for coal mine and thermal treatment process |
| 07/24/2013 | CN103215432A Quenching device for steel belts |
| 07/24/2013 | CN103215429A Saw disk dynamic quenching machine |
| 07/24/2013 | CN103215426A Thermal treatment technology for drill bit adapters made of 4130M material |
| 07/24/2013 | CN103215425A Heating processing technology for deep sea petroleum drill by adopting conduit joint |
| 07/24/2013 | CN103215424A Heat treatment device for surface of chain |
| 07/24/2013 | CN103215421A Heat treatment for producing steel sheet with high strength and ductility |
| 07/24/2013 | CN103215418A Thermal treatment method for super-thick steel plate |
| 07/24/2013 | CN103215417A Method for ultra-high enhanced heat treatment for medium carbon silicon-manganese-chromium-nickel low-alloy steel |
| 07/24/2013 | CN103215416A Energy-saving burial pit |
| 07/24/2013 | CN103215415A Method for quickly improving corrosion resistance of material surface in situ |
| 07/24/2013 | CN103215414A Shielding gas recovery and cyclic utilization system for vacuumized bell-type bright annealing furnaces |
| 07/24/2013 | CN103215413A Quenching box |
| 07/24/2013 | CN103215412A Safety valve device for stainless steel bright annealing furnace |
| 07/24/2013 | CN103215411A Laser quenching method and device |
| 07/24/2013 | CN103212915A Marine casting soldering method |
| 07/24/2013 | CN103212609A Mould for bending forming of electric bicycle cover plate |
| 07/24/2013 | CN102703661B Quenching device of stabilizer bar |
| 07/24/2013 | CN102560281B Preparation method of martensitic stainless steel having broad-spectrum antimicrobial effects |
| 07/24/2013 | CN102560044B Copper strip surface treatment method and device |
| 07/24/2013 | CN102538439B Box-type protective atmosphere heat treatment furnace |
| 07/24/2013 | CN102517526B Online quenching method for aluminum alloy medium-thickness plate and equipment for implementing same |
| 07/24/2013 | CN102382966B Accelerating cooling technology after medium plate tempering |
| 07/24/2013 | CN102076873B Improved quench zone design using spray nozzles |
| 07/24/2013 | CN102021277B Annealing furnace loop integrated framework hoisting method |
| 07/24/2013 | CN101654888B Grinding sheet for disc grinder and manufacturing method thereof |
| 07/23/2013 | US8491735 Steel sheet for vitreous enameling and method for producing the same |
| 07/23/2013 | US8491734 Process of production and production system of high strength galvannealed steel sheet |
| 07/18/2013 | WO2013105638A1 Cold-rolled steel sheet and method for producing cold-rolled steel sheet |
| 07/18/2013 | WO2013105633A1 Hot stamp molded article, and method for producing hot stamp molded article |
| 07/18/2013 | WO2013104789A1 Knife and method for the production thereof |
| 07/18/2013 | US20130180305 Method for Producing a Flat Steel Product which can be Readily Formed, Flat Steel Product and Method for Producing a Component from such a Flat Steel Product |
| 07/18/2013 | DE112011102838T5 Integriertes Element und sein Herstellungsverfahren Integrated element and its manufacturing method |
| 07/18/2013 | DE102012100279A1 Device for induction hardening of toothed rack, comprises first surface, which faces the toothed rack for hardening second surface, where first surface is adapted to second surface such that uniform hardening zone is formed in toothed rack |
| 07/18/2013 | DE102012004439B3 Heating workpiece formed as sheet metal board or sheet metal part, where workpiece is made of electrical conductive material at transformation temperature and/or curing temperature by alternating magnetic field induced by induction coil |
| 07/17/2013 | CN203065577U Blueing device for vertical-type continuous annealing furnace |
| 07/17/2013 | CN203065558U Free-cutting steel member |
| 07/17/2013 | CN203065539U On-line quenching temperature monitoring and screening device |
| 07/17/2013 | CN203065538U Superheated water pressure stabilizing system for continuous annealing furnace |
| 07/17/2013 | CN203065536U Device for improving taper of bearing ring in heat treatment process |
| 07/17/2013 | CN203065534U Wear-resistant ball oil draining and metal impurity removing device |
| 07/17/2013 | CN203065533U Simple wear-resistant ball oil draining device |
| 07/17/2013 | CN203065532U Quenching shape-limiting mold for gear ring |
| 07/17/2013 | CN203065531U Shape limiting device for gear ring during heat treatment |
| 07/17/2013 | CN203065528U Device for heat treatment and online straightening of slender rod type parts |
| 07/17/2013 | CN203065525U Vacuum resistance furnace with well-type hydraulic cover |
| 07/17/2013 | CN203065524U Intelligent ejecting device capable of adjusting flow of cooling liquid |
| 07/17/2013 | CN203065523U Small part discharge quenching device |
| 07/17/2013 | CN203065522U Material frame with detachable thermal-insulation cover |
| 07/17/2013 | CN203065521U Temperature control quenching bath for heat treatment quenching |
| 07/17/2013 | CN203065520U Channel-type abrasion-resistant ball oil drainage and impurity removal device |
| 07/17/2013 | CN203065519U Novel bearing ring quenching machine |
| 07/17/2013 | CN203065518U Heat-resisting alloy and ceramic compound pressure head of high-temperature oriented silicon steel electro-magnetic induction heating furnace |
| 07/17/2013 | CN203065517U Heat exchanger |
| 07/17/2013 | CN203065516U Discharge port structure of annealing furnace |
| 07/17/2013 | CN203065515U Thermal treatment part rack |
| 07/17/2013 | CN203065514U Resistance furnace with impurity removing device |
| 07/17/2013 | CN103210119A Antioxidant agent, process for production of antioxidant agent, and process for producing metallic material |
| 07/17/2013 | CN103207178A Online testing method and apparatus for laser shock peening effect |
| 07/17/2013 | CN103206444A U-shaped bolt and preforming device, bending device and quenching and tempering method thereof |
| 07/17/2013 | CN103206175A Drill collar with high fatigue resistance |
| 07/17/2013 | CN103205769A An acid concentration controlling method for a continuous annealing furnace |
| 07/17/2013 | CN103205642A Preparation method for wear-resistant check bolt |
| 07/17/2013 | CN103205641A Preparation method for high-strength foundation bolt |
| 07/17/2013 | CN103205625A High-strength-toughness isothermal quenching ductile iron as well as production method and application thereof |
| 07/17/2013 | CN103205553A Quenching inductor for concave spherical surface of scraper knife connecting seat and determination method of matched size |
| 07/17/2013 | CN103205552A Heat treatment technology of 0Cr17Ni7Al-made multilayer wave springs |
| 07/17/2013 | CN103205551A Thermal treatment processing method of thrust wheel |
| 07/17/2013 | CN103205549A Heat treatment method of reading arm in electronic dobby shedding device of high speed loom |
| 07/17/2013 | CN103205546A Method for acquiring stable water film in laser shock processing of blisk |
| 07/17/2013 | CN103205545A Combination method and apparatus for laser shock processing of engine blade |
| 07/17/2013 | CN103205544A Salt-bath self-heating two-stage isothermal quenching method of nodular cast irons, and austempered ductile iron prepared by using method |
| 07/17/2013 | CN103205543A Vacuum heat treatment method and equipment for permanent NdFeB rare earth magnet device |
| 07/17/2013 | CN103205542A Maintenance method of vacuum quenching oil |
| 07/17/2013 | CN103205541A Deformed steel bar compound corrosion-inhibited quenching agent and usage method thereof |
| 07/17/2013 | CN103205540A Biomass gas aluminium alloy annealing system |
| 07/17/2013 | CN103205539A Horizontal annealing device |
| 07/17/2013 | CN103205538A Medium frequency induction quenched-tempered heat treatment method for anti-roll torsion bar of rail transit vehicle |
| 07/17/2013 | CN103203539A Laser process machine with movable column and retractable laser head |
| 07/17/2013 | CN102747206B Water quenching method for producing cold rolling phase transition reinforced high strength strip steel |
| 07/17/2013 | CN102747205B Water quenching system for producing cold rolling phase transition reinforced high strength strip steel |
| 07/17/2013 | CN102527940B Casting process for upper pendulums and lower pendulums of light-rail steel cast supports |