| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 01/15/2014 | CN103510016A Support roll of pickling and scale breaking tension leveler and its manufacturing process |
| 01/15/2014 | CN103510007A Steel for high-frequency hardening and high-frequency hardened steel part, and methods of production of same |
| 01/15/2014 | CN103509994A Low carbon steel plate for pressure-bearing equipment and normalizing process thereof |
| 01/15/2014 | CN103509973A Precisely cast blade and manufacturing method thereof |
| 01/15/2014 | CN103509933A Fault treatment system and method of trolley type spherulitic graphite cast pipe annealing furnace |
| 01/15/2014 | CN103509931A Device for thermally treating track shoe and method thereof |
| 01/15/2014 | CN103509928A Discharge material cooling device of stainless steel solid smelting furnace |
| 01/15/2014 | CN103509926A Steering knuckle processing technology |
| 01/15/2014 | CN103509923A Quenching device with conveying function |
| 01/15/2014 | CN103509922A Novel liquid jet ring adjusting mechanism |
| 01/15/2014 | CN103509921A Mechanical adjustable liquid injection ring structure |
| 01/15/2014 | CN103509920A Decontamination device used for oil quenching production line |
| 01/15/2014 | CN103509919A Shipbuilding track-free back burning machine |
| 01/15/2014 | CN103509918A Shipbuilding track-free back burning machine |
| 01/15/2014 | CN103509917A Heat treatment process for refinement of maraging stainless steel grain |
| 01/15/2014 | CN103509916A Vacuum annealing method for amorphous alloy iron cores |
| 01/15/2014 | CN103509915A Precipitation strengthening method for improving abrasive resistance of high manganese steel |
| 01/15/2014 | CN103509914A Back-fire device for early-stage car axle hole for roulette punching |
| 01/15/2014 | CN103509530A Constant-speed cooling medium with extremely-stable cooling property |
| 01/15/2014 | CN103506580A Casting method for large thin-wall valve body steel casting |
| 01/15/2014 | CN102899476B Stainless steel driving belt for artificial board pressing machine and heat treatment process |
| 01/15/2014 | CN102776446B Semi-high speed steel copper soldering inlaid steel cutting blade and manufacturing method thereof |
| 01/15/2014 | CN102676942B Thermal processing technology for petroleum drilling tool material |
| 01/15/2014 | CN102296237B Locomotive braking resistance belt and preparation method thereof |
| 01/15/2014 | CN102242318B Cast steel matrix for process for preparing forging mould through double-layer build-up welding and preparation method thereof |
| 01/09/2014 | WO2014008335A1 Thermal treated reinforcing bar splice and method |
| 01/09/2014 | WO2014007406A1 Carbon material having thermal sprayed coating layer |
| 01/09/2014 | WO2014007046A1 Heat treatment method, heat treatment device, and heat treatment system |
| 01/09/2014 | US20140008847 Manufacturing method of high-strength and high-toughness thin steel and heat treatment apparatus |
| 01/09/2014 | US20140008345 Apparatus and method for repairing broken line of array substrate |
| 01/09/2014 | US20140007994 Quenching method for steel pipe |
| 01/08/2014 | EP2682484A2 Precipitation hardening type martensitic stainless steel, rotor blade of steam turbine and steam turbine |
| 01/08/2014 | EP2681339A1 Process for the heat treatment of welding seams on power station and plant components |
| 01/08/2014 | CN203382803U Lead bath furnace and strip steel lead bath quenching and tempering production line with same |
| 01/08/2014 | CN203382801U Portable air-cooling coil induction preheating device |
| 01/08/2014 | CN203382800U Steel bearing part for removing mixed crystal process |
| 01/08/2014 | CN203382799U Roller rod composite normalizing and annealing furnace |
| 01/08/2014 | CN203382797U Novel air cooling induction heat treatment equipment |
| 01/08/2014 | CN203382796U Automatic production line capable of realizing continuous quenching |
| 01/08/2014 | CN203382795U Horizontal-type induction quenching medium blocking device |
| 01/08/2014 | CN203382794U Energy-saving type workpiece cooling device after nitrate quenching |
| 01/08/2014 | CN203382793U Clutch membrane spring quenching die |
| 01/08/2014 | CN203382792U Residual heat recycling device of box type isothermal quenching furnace |
| 01/08/2014 | CN203382791U Intermediate-frequency-induction heat treatment device |
| 01/08/2014 | CN203382790U Laser quenching power control system for complex shape |
| 01/08/2014 | CN203382789U Energy-saving mesh belt type air isothermal furnace |
| 01/08/2014 | CN203382788U Material turning device of solid solution furnace |
| 01/08/2014 | CN103502500A Gas nitrocarburizing method and method for manufacturing bearing part |
| 01/08/2014 | CN103502481A Alloy, magnet core and process for producing a strip made of an alloy |
| 01/08/2014 | CN103501936A Surface treatment method for metal material and mold treated by surface treatment method |
| 01/08/2014 | CN103498111A Wear-resistant tooth base and preparation method thereof |
| 01/08/2014 | CN103498109A Excavator bucket tooth and preparation method thereof |
| 01/08/2014 | CN103498108A High-boron high-chromium low-carbon wear-resisting alloy steel with good red hardness and manufacturing method thereof |
| 01/08/2014 | CN103498105A High-strength seamless steel tube for geological drilling and preparation method thereof |
| 01/08/2014 | CN103498101A Low-cost aging resistant household appliance color coated sheet and production method thereof |
| 01/08/2014 | CN103498040A Thermal forming-quenching integrated machine tool of long shaft type parts |
| 01/08/2014 | CN103498038A Roller-hearth type creeper tread quenching press machine |
| 01/08/2014 | CN103498036A Production technology of hot-rolled high-strength fine-diameter steel bar by adopting drawing wire |
| 01/08/2014 | CN103498035A Thermal treatment method of stainless steel |
| 01/08/2014 | CN103498033A Thermal treatment process for improving mechanical property of quenched and tempered steel |
| 01/08/2014 | CN103498032A Quenching process of medium carbon alloy steel |
| 01/08/2014 | CN103498031A Large-span portal loading-unloading steel framed structure |
| 01/08/2014 | CN103498030A Automatic gantry-type composite heat treatment robot |
| 01/08/2014 | CN103498029A 棒材淬火装置 Bars quenching unit |
| 01/08/2014 | CN103498028A Water-based quenching liquid |
| 01/08/2014 | CN103498027A Experimental apparatus for forced air cooling quenching |
| 01/08/2014 | CN103498026A Quenching method of 45# steel workpiece |
| 01/08/2014 | CN103498025A Quenching process of 50# steel workpiece |
| 01/08/2014 | CN103498024A Quenching treatment method of 50# steel |
| 01/08/2014 | CN103498023A Method for preventing cracking of water-quenched edges and angles of rectangular alloy steel member |
| 01/08/2014 | CN103498022A Device used for preventing cracking of water-quenched edges and corners of rectangular alloy steel pieces |
| 01/08/2014 | CN103498021A Novel hearth of shock bottom type heat treatment furnace |
| 01/08/2014 | CN103498020A Automatic unhooking device for heat treatment furnace burdening basket |
| 01/08/2014 | CN103498019A Automatic circulating device of cooling liquid |
| 01/08/2014 | CN103494648A Stainless steel dental handpiece |
| 01/08/2014 | CN103088856B Clay bucket for excavator |
| 01/08/2014 | CN102758072B Heat treatment process of flow passage component |
| 01/08/2014 | CN102703827B Heat treatment process of wear resistant steel |
| 01/08/2014 | CN102703652B Heat treatment process of hot-work-die steel for aluminum die-casting mould |
| 01/08/2014 | CN102676765B Device for shape fixing for inner spline housing in carburizing and quenching |
| 01/08/2014 | CN102501032B Fabrication process for positioning elastic piece of electron gun system of travelling wave tube |
| 01/08/2014 | CN102286693B Thick ship plate steel and preparation method thereof |
| 01/07/2014 | US8622188 Roller for in-furnace conveyance |
| 01/03/2014 | WO2014002816A1 Heating-furnace-extraction order generation device, heating-furnace-extraction order generation method, and steel plate production method |
| 01/03/2014 | WO2014001336A1 Method for press hardening steel |
| 01/03/2014 | WO2014000900A1 Cooled tool for hot-forming and/or press-hardening of a sheet metal material and method for producing a cooling device for this tool |
| 01/02/2014 | DE19549667B4 Laserstrahlbearbeitungsverfahren und Laserstrahlbearbeitungsgerät Laser beam machining method and laser beam machining apparatus |
| 01/02/2014 | DE112012000642T5 Plasmabearbeitungsvorrichtung The plasma processing apparatus |
| 01/02/2014 | DE102010034161B4 Verfahren zur Herstellung von Werkstücken aus Leichtbaustahl mit über die Wanddicke einstellbaren Werkstoffeigenschaften A process for the production of workpieces made of light metal with a wall thickness about the material properties adjustable |
| 01/01/2014 | EP2679701A1 Nitrided steel member and method for producing same |
| 01/01/2014 | EP2679692A1 Method for manufacturing a press hardened formed component made of sheet steel |
| 01/01/2014 | CN203373403U Stainless steel wire annealing line with cutting oil oiling tank |
| 01/01/2014 | CN203373402U Automatic induction heating follow-up device for longitudinal welded pipe |
| 01/01/2014 | CN203373401U Novel steel shot quenching furnace |
| 01/01/2014 | CN203373400U Razor blade freezer |
| 01/01/2014 | CN203373397U Movable cover plate for quenching water tank |
| 01/01/2014 | CN203373396U Sealing device for main shaft of vacuum rapid quenching furnace |
| 01/01/2014 | CN203373395U Quenching inductor for spur gear |
| 01/01/2014 | CN203373394U Cooling device of salt-bath furnace |
| 01/01/2014 | CN203373393U Rapid cooling device for thermal treatment |