| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 07/17/2013 | CN102517423B Reinforcement method for small hole |
| 07/17/2013 | CN102492819B High temperature continuous heat treatment furnace and method for low temperature tempering or annealing of steel with it |
| 07/17/2013 | CN102453792B Method and equipment for controlling furnace pressure of continuous annealing furnace |
| 07/17/2013 | CN102433502B Spheroidized annealing technology for GCr15 bearing steel |
| 07/17/2013 | CN102418030B Wear-resistant low-chromium ferrous alloy material and production method thereof |
| 07/17/2013 | CN102417969B Heat treatment process for high-hardenability Martensitic stainless steel for moving blades |
| 07/17/2013 | CN102417952B Laser thermomechanical effect strengthening method and laser thermomechanical effect strengthening system for automotive LED (light-emitting diode) headlight molds |
| 07/17/2013 | CN102392119B Online comprehensive control method for hot-galvanized continuous annealing furnace |
| 07/17/2013 | CN102330027B 120ksi primary grade sulfur-resistant drill pipe and manufacturing method thereof |
| 07/17/2013 | CN101501224B Sealing apparatus and continuous annealing furnace |
| 07/11/2013 | WO2013102714A1 Method for generating a mixture of gas containing substantially equal proportions of carbon monoxide and hydrogen |
| 07/11/2013 | WO2013102702A1 Method, apparatus and use for tempering material |
| 07/11/2013 | US20130175741 Load Transport Mechanism for a Multi-Station Heat Treating System |
| 07/11/2013 | US20130175260 High frequency heating coil |
| 07/10/2013 | EP2612930A2 Method of making an austempered ductile iron article |
| 07/10/2013 | EP2611945A1 Method for hot forming a coated metal part and formed part |
| 07/10/2013 | CN203053249U Boiler utilizing exhaust gas waste heat of annealing furnace |
| 07/10/2013 | CN203053248U Annealing furnace waste-heat use water heater device |
| 07/10/2013 | CN203048999U Long-shaft automatic thermal treatment equipment |
| 07/10/2013 | CN203048997U Die-pressing and oil-injecting quenching equipment of saw blade substrate |
| 07/10/2013 | CN203048993U Quenching induction coil applicable to track link installation shaft sleeve |
| 07/10/2013 | CN203048992U Automatic discharge unit for stokehole quenching |
| 07/10/2013 | CN203048991U Over 20m of profile quenching bracket |
| 07/10/2013 | CN203048990U Control device for concentration and temperature of quenching liquid |
| 07/10/2013 | CN203048989U Side buried type electrode salt bath furnace for leakage-proof salt |
| 07/10/2013 | CN203048988U Infrared positioning equipment for induction quenching of convex hull structure on track plate of large-sized excavator |
| 07/10/2013 | CN203048987U Charging device for high temperature annealing of magnetically soft alloy ring plate |
| 07/10/2013 | CN203048986U Air channel backwater preventing device of well-type annealing furnace |
| 07/10/2013 | CN203048985U H-shaped grooved pulley quenching inductor |
| 07/10/2013 | CN203048984U Quenching inductor of large-modulus wind turbine gear ring |
| 07/10/2013 | CN203048983U Large-sized sliding track single-plane quenching sensor |
| 07/10/2013 | CN203048982U Aluminum alloy aging oven with high thermal efficiency |
| 07/10/2013 | CN203048981U Vertical tempering furnace |
| 07/10/2013 | CN103201405A Graphene-coated steel sheet, and method for manufacturing same |
| 07/10/2013 | CN103194691A Material for manufacturing breaking hammer head |
| 07/10/2013 | CN103194682A Economical wear-resistant steel plate and manufacturing method thereof |
| 07/10/2013 | CN103194593A Residual quenching heat control process in hardening and tempering of high-strength steel |
| 07/10/2013 | CN103194588A Heat treatment process for 65Mn spring washer |
| 07/10/2013 | CN103194586A Crankshaft quenching strengthening method |
| 07/10/2013 | CN103194584A Heat treatment process of slender rod made of 45 steel |
| 07/10/2013 | CN103194578A Microwave energy high-temperature atmosphere heat treatment furnace |
| 07/10/2013 | CN103194577A Heat preservation ageing device |
| 07/10/2013 | CN103194576A Heat treatment method of elastic chunk made of T10A steel |
| 07/10/2013 | CN103194575A Device for preventing billet from tipping in steel tapping and steel loading of hot rolling heating furnace and control method thereof |
| 07/10/2013 | CN103192084A Rotary vacuum heat treatment equipment |
| 07/10/2013 | CN102766742B Oxidation and decarburization resistant coating powder for high-carbon chromium bearing steel heating process |
| 07/10/2013 | CN102703668B Seal head blank production process |
| 07/10/2013 | CN102605146B High-performance furnace bottom plate of annular annealing furnace |
| 07/10/2013 | CN102492880B Production method of aluminum alloy base material used for LED television sets |
| 07/10/2013 | CN102465195B Light-water coaxial laser shock reinforcing head |
| 07/10/2013 | CN102433426B Steel strip martensite two-step quenching system |
| 07/10/2013 | CN102400017B Production method of aluminum alloy base material used for LED (light-emitting diode) television |
| 07/10/2013 | CN102352426B 淬火转移机 Quenching Transfer Machine |
| 07/10/2013 | CN102284835B Method for producing 10.9-class vehicle bolt of above M12 |
| 07/10/2013 | CN101364465B Permanent magnetic RE material and preparation thereof |
| 07/09/2013 | US8480824 Method and apparatus for micro-treating iron-based alloy, and the material resulting therefrom |
| 07/04/2013 | WO2013101692A1 Method of predicting quench cracking in components formed by high deformation processes |
| 07/04/2013 | DE102008014914B4 Strukturteil für eine Fahrzeug-Panzerung A structural member for a vehicle armor |
| 07/03/2013 | EP2610356A2 Work load lifting system for a vertical vacuum furnace |
| 07/03/2013 | EP2610355A1 Method for heat-treating structural material and heat-treated structural material |
| 07/03/2013 | EP2610354A1 Compensating heating element arrangement for a vacuum heat treating furnace |
| 07/03/2013 | EP2609224A1 Profiled component and method for producing a profiled component |
| 07/03/2013 | CN203037065U Position-variable roller type circulation double-channel welding repair furnace |
| 07/03/2013 | CN203034078U Soft-nitriding heat treatment continuous furnace |
| 07/03/2013 | CN203034075U Novel quenching device for reverse aluminum extrusion machine |
| 07/03/2013 | CN203034059U Bevel gear tooth surface high-frequency quenching device |
| 07/03/2013 | CN203034054U Electric heating slow-cooling device with heat treatment function |
| 07/03/2013 | CN203034053U Heating chamber of vacuum heat treatment furnace |
| 07/03/2013 | CN203034052U Anti-baking seam spray nozzle capable of adjusting flow rate in width direction |
| 07/03/2013 | CN203034051U Dual-layer intermittent spheroidizing annealing furnace |
| 07/03/2013 | CN203034050U Bypass cooling system for aluminum material annealing furnace |
| 07/03/2013 | CN203034049U Annealing furnace |
| 07/03/2013 | CN203034048U All-fiber totally-enclosed trolley-type annealing furnace |
| 07/03/2013 | CN203034047U Annealing device capable of preventing copper wires from being oxidized |
| 07/03/2013 | CN103189535A Bearing steel exhibiting excellent machinability after spheroidizing annealing and excellent resistance to hydrogen fatigue after quenching/tempering |
| 07/03/2013 | CN103184458A Method for processing bending die with long service life |
| 07/03/2013 | CN103184457A Surface alloying strengthening method |
| 07/03/2013 | CN103184391A Annular plate steel used for top cover of million-kilowatt-level large-scale hydraulic turbine and manufacturing method thereof |
| 07/03/2013 | CN103184388A Integral normalizing process of 95CrMo steel for rock drilling rod |
| 07/03/2013 | CN103184331A Processing method of cutting module for automobile exhaust pipe |
| 07/03/2013 | CN103184330A Die |
| 07/03/2013 | CN103184329A Steel plate type circular quenching roller with high-hardness surface |
| 07/03/2013 | CN103184328A Steel plate type circular thin-walled quenching roller |
| 07/03/2013 | CN103184327A Structure of large-diameter steel plate type quenching roller |
| 07/03/2013 | CN103184326A Key-fixed circular quenching roller |
| 07/03/2013 | CN103184325A Steel plate type circular quenching roller driven by small power |
| 07/03/2013 | CN103184324A Double-key slot large-diameter circular quenching roller |
| 07/03/2013 | CN103184323A Steel plate type circle quenching roller with single end plate |
| 07/03/2013 | CN103184322A Easy-transfer type circle quenching roller |
| 07/03/2013 | CN103184321A Water-soluble quenching media additive and application method thereof |
| 07/03/2013 | CN103184320A Process for preparing high-grade steel by quenching and tempering 29CrMo44 steel |
| 07/03/2013 | CN103184319A Heat treatment method for increasing low-temperature impact energy of 35CrMoA steel material |
| 07/03/2013 | CN103184318A Carbon restoration quenching treatment method for decarburized connecting rod forgings |
| 07/03/2013 | CN103184317A Steel plate type circular quenching roller with uniformly sand-blast surface |
| 07/03/2013 | CN103182683A Method for manufacturing pattern on metal housing, and manufactured metal housing |
| 07/03/2013 | CN102418036B 15MnNiDR low alloy steel plate for low temperature pressure vessel and production method thereof |
| 07/03/2013 | CN102392110B Novel over-speed bright quenching oil composition |
| 07/03/2013 | CN102383053B New heat treatment enhancing process of heat resistant steel |
| 07/03/2013 | CN102330016B Preparation method of hypoeutectic high-chromium white cast iron |
| 07/03/2013 | CN102230057B Method for producing steel plate of petroleum storage tank by using direct quenching process |