| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 08/07/2013 | CN203112874U Annular heating furnace for spheroidizing annealing production line |
| 08/07/2013 | CN203112873U Quick-detachable type carrier roller mesh belt normalizing furnace |
| 08/07/2013 | CN203112872U Vacuum annealing furnace |
| 08/07/2013 | CN203112871U Temperature control device of heat treatment furnace |
| 08/07/2013 | CN203112870U Air cooling furnace for heat treatment |
| 08/07/2013 | CN203112869U Air-cooling table for pretreatment production line |
| 08/07/2013 | CN203112868U After-heat-usable roller-type quick cooling furnace |
| 08/07/2013 | CN203112867U Pretreatment production line |
| 08/07/2013 | CN103237913A Rolling bearing and method for producing same |
| 08/07/2013 | CN103233186A Steel for compression mold and production method thereof |
| 08/07/2013 | CN103233170A Steel for hot working mold and production method thereof |
| 08/07/2013 | CN103233165A High-pressure valve material and heat treatment method thereof |
| 08/07/2013 | CN103233160A Normalizing vessel steel with 460MPa grade yield strength and manufacturing method thereof |
| 08/07/2013 | CN103233113A Heat treatment process of welded type weighted drill rod joint |
| 08/07/2013 | CN103233112A Quenching and tempering heat treatment equipment and method for 4-6mm high-strength sheet |
| 08/07/2013 | CN103233111A Preparation process for special high-wear-resistance high-strength transmission shaft for major-diameter port machinery |
| 08/07/2013 | CN103233110A Thick-wall heavy-caliber duct joint heat processing technology |
| 08/07/2013 | CN103233104A Quenching self-tempering special device and process for octagon hammer head |
| 08/07/2013 | CN103233103A Automatic oil-water separation system for wind-power steel ball heat treatment |
| 08/07/2013 | CN103233102A Water-soluble quenching medium used in high-chromium cast iron quenching |
| 08/07/2013 | CN103233101A GCr15 bearing steel heat treatment method |
| 08/07/2013 | CN103233100A Cover-type furnace generating steam by using waste heat |
| 08/07/2013 | CN103233099A High-temperature annealing process for stators |
| 08/07/2013 | CN103231059A Production method of neodymium iron boron rare earth permanent magnet device |
| 08/07/2013 | CN103230958A Sub-tractor |
| 08/07/2013 | CN102605150B Quenching liquid and quenching technology for improving through quenching thickness of 50CrVA spring steel |
| 08/07/2013 | CN102517517B Refractory steel for vane of steam turbine of ultra supercritical fossil power plant and manufacturing method |
| 08/07/2013 | CN102453797B One-time heat treatment method of integral high-speed steel cutter |
| 08/07/2013 | CN102433419B Water-through quenching cooling device and method capable of realizing rapid cooling through slit water injection |
| 08/07/2013 | CN102345000B Method for realizing low temperature tempering by medium-high temperature tempering furnace |
| 08/06/2013 | US8501083 Spray quench systems for heat treated metal products |
| 08/06/2013 | CA2701559C High strength part and method of production of the same |
| 08/01/2013 | WO2013112095A1 Induction hardening device and assembly |
| 08/01/2013 | WO2013112094A1 Induction hardening device |
| 08/01/2013 | WO2013111794A1 Heat treatment jig and metal wire heat treatment method |
| 08/01/2013 | WO2013111482A1 High-frequency induction continuous heating method and high-frequency induction continuous heating device |
| 08/01/2013 | US20130196275 Process and furnace for treating workpieces |
| 08/01/2013 | DE102012201267A1 Working method for annealing press-hardened components, comprises heating a component by an integrally formed electrode |
| 08/01/2013 | DE102012201264A1 Working method for producing press-hardened components used in automotive industry, involves performing meandering procedure of laser head in circular movement for influence of surface to depth effect |
| 08/01/2013 | DE102012003384A1 Thermally treating metal ring with improved heat input using porous burner having porous structure, comprises thermally treating surface of metal ring for curing rolling element raceway, where treated surface exhibits hardness slippage area |
| 08/01/2013 | DE102012001742A1 Device, useful for heating, hot-forming and press-hardening of metal sheet workpieces, comprises a first heat station, a second heat station in which the workpieces are heated or held at a specified temperature, and a third heat station |
| 08/01/2013 | DE102008022400B4 Verfahren zum Herstellen eines Stahlformteils mit einem überwiegend martensitischen Gefüge A method for producing a steel mold part with a predominantly martensitic microstructure |
| 07/31/2013 | EP2620516A2 Method and apparatus of heat treating an integrally bladed rotor |
| 07/31/2013 | EP2620513A1 Automobile part, manufacturing method for same and manufacturing device of same |
| 07/31/2013 | EP2620512A1 Turbine induction temper system |
| 07/31/2013 | EP2619337A1 Apparatus for induction hardening |
| 07/31/2013 | EP2618951A2 Elevated temperature forming methods for metallic materials |
| 07/31/2013 | CN203100461U Waste heat recycling device |
| 07/31/2013 | CN203096186U Charging device of stainless steel plate continuous annealing acid-washing unit |
| 07/31/2013 | CN203096185U Stainless steel plate continuous annealing acid-washing unit |
| 07/31/2013 | CN203096184U Stainless steel plate continuous annealing and pickling unit provided with scale breaker |
| 07/31/2013 | CN203096181U Tool for furnace-loaded carburizing and quenching of hollow worm |
| 07/31/2013 | CN203096134U Novel inductive tempering device |
| 07/31/2013 | CN203096133U Inner cone diagonal quenching clamp assembly |
| 07/31/2013 | CN203096132U Spring type quenching clamp assembly |
| 07/31/2013 | CN203096131U Cylindrical induction heating furnace with insulating box |
| 07/31/2013 | CN203096130U Automatic continuous annealing equipment for steel pipes |
| 07/31/2013 | CN203096127U Heat treatment line for long rod type workpieces |
| 07/31/2013 | CN203096126U Heat preservation box |
| 07/31/2013 | CN203096125U Thermal treatment tool for insulating slender rod workpieces |
| 07/31/2013 | CN203096124U Quenching liquid air-cooling device |
| 07/31/2013 | CN203096123U Inner cone type quenching clamp assembly |
| 07/31/2013 | CN203096122U Outlet sticky material separation device of salt bath furnace |
| 07/31/2013 | CN203096121U Medium-frequency cutting edge quenching inductor |
| 07/31/2013 | CN203096120U GH80A product surface annealing equipment |
| 07/31/2013 | CN203096119U Well-type annealing furnace capable of controlling cooling speed and realizing rapid cooling |
| 07/31/2013 | CN203096118U Oil smoke collecting device of pit type tempering furnace |
| 07/31/2013 | CN203095778U Saline separator used after thermal treatment of saw chain |
| 07/31/2013 | CN203091722U Casting transfer line and casting transfer system of continuous type aging oven |
| 07/31/2013 | CN103228811A Forming of metallic glass by rapid capacitor discharge forging |
| 07/31/2013 | CN103228802A Method for quenching mold |
| 07/31/2013 | CN103228482A Method and device for producing a sliding rail of a longitudinal adjustment device of a vehicle seat |
| 07/31/2013 | CN103225042A Production method of easily-shaped high-strength medium-thickness steel plate |
| 07/31/2013 | CN103225041A Production method of easily-shaped high-strength medium-thickness steel plate |
| 07/31/2013 | CN103225040A Production method of easily-shaped high-strength medium-thickness steel plate |
| 07/31/2013 | CN103225014A Holding device used in part surface heat treatment |
| 07/31/2013 | CN103225012A Numerical control type micro-pressure gas cold-heat circulating annealing furnace |
| 07/31/2013 | CN103225011A Solid melting annealing furnace hearth roll and manufacture method thereof |
| 07/31/2013 | CN103223571A Cross rod end processing method for railway heavy haul freight car |
| 07/31/2013 | CN102974991B Manufacturing method for tool for machining heat treatment deformation circular-disc blade |
| 07/31/2013 | CN102816908B Pressing and punching mold for hub reduction gear outer gear ring |
| 07/31/2013 | CN102776351B Two-stage treating method for accretion in carbon jacket hearth roll of continuous annealing furnace |
| 07/31/2013 | CN102703656B Resistance pit annealing furnace |
| 07/31/2013 | CN102703650B Super-large trolley type gas heat treatment furnace |
| 07/31/2013 | CN102634733B Composite roll having uniform roll surface hardness and made of high-speed steel containing boron and method for manufacturing composite roll |
| 07/31/2013 | CN102586569B Heat treatment process for TP310Cb/T11 bimetal composite tube |
| 07/31/2013 | CN102560258B Low-carbon high-boron cast wear-resistant alloy steel and preparation method thereof |
| 07/31/2013 | CN102534398B Ferroboron-containing alloy wear-resistant material and preparation method thereof |
| 07/31/2013 | CN102382950B Conductive wheel electric heating device for cold-rolled ribbed steel bar production line |
| 07/31/2013 | CN102220474B Thin steel wire atomizing cooling treatment method and device |
| 07/31/2013 | CN102168916B Two-section type combined body gas heat treating furnace |
| 07/31/2013 | CN101928876B TRIP/TWIP high strength plastic automotive steel with excellent processability and preparation method thereof |
| 07/31/2013 | CN101906594B 900MPa level yield strength quenched and tempered steel plate and manufacturing method thereof |
| 07/31/2013 | CN101634002B Free-cutting alloy tool steel |
| 07/31/2013 | CN101560591B Composite temperature cold treatment process |
| 07/30/2013 | US8496872 High temperature nitriding of titanium parts |
| 07/25/2013 | WO2013108360A1 Engine valve automatic heat treatment system |
| 07/25/2013 | WO2013107922A1 An austenitic stainless steel product and a method for manufacturing same |
| 07/25/2013 | US20130189634 Plant and method for preheating blanks in response to hot forming |
| 07/25/2013 | US20130186522 Carburizing steel having excellent cold forgeability and method of manufacturing the same |