| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 08/19/2009 | CN100529145C Liquid zinc corrosion resistant high-boron cast steel and preparation method thereof |
| 08/19/2009 | CN100529140C Method for producing cold rolling domestic appliance plate using cover type oven |
| 08/19/2009 | CN100529138C Pipe for steam turbine, manufacturing process of same, and steam turbine power plant using those pipes |
| 08/19/2009 | CN100529112C Water soluble environment protection hardening media |
| 08/18/2009 | US7575643 Carburization treatment method |
| 08/18/2009 | CA2533327C Method for producing a hardened steel part |
| 08/18/2009 | CA2376529C Powder metallurgy manufactured high speed steel |
| 08/13/2009 | WO2009065113A3 Quenching methods and apparatus |
| 08/13/2009 | US20090200713 System and method for hardening rails |
| 08/13/2009 | DE102008007769A1 Machine housing producing method for e.g. screw pump, involves producing hardening layer from material, which is not electrically conductive, where hardening layer is conductive by silicon carbide additives |
| 08/12/2009 | EP2088213A1 Method for press hardening of metals |
| 08/12/2009 | EP2088212A1 Gas heater |
| 08/12/2009 | EP2088211A1 Devices for performing a localized induction hardening treatment on mechanical components, specifically thrust blocks for large-sized rolling bearings |
| 08/12/2009 | EP2087141A1 Process and apparatus for hardening the surface layer of components having a complicated shape |
| 08/12/2009 | CN201288214Y Aluminum and aluminum alloy rod quenching cooling apparatus |
| 08/12/2009 | CN201288212Y Trolley type annealing furnace |
| 08/12/2009 | CN201288211Y Tempering furnace roller way of roller underlying form steel cylinder thermal treatment product line |
| 08/12/2009 | CN201288209Y Full-automatic rolling quenching transfer mechanism for push bar furnace product line |
| 08/12/2009 | CN201288208Y Multi-trolley continuous annealing coil base vehicle sealing structure |
| 08/12/2009 | CN201288207Y Automatic cooling-down system of car-type heat treatment furnace |
| 08/12/2009 | CN201287951Y Combined transfer mechanism |
| 08/12/2009 | CN201287336Y Quenching mechanical arm |
| 08/12/2009 | CN101506392A Seamless precision steel tubes with improved isotropic toughness at low temperature for hydraulic cylinders and process for obtaining the same |
| 08/12/2009 | CN101506391A Method for the thermomechanical treatment of seamless rings produced on radial-axial ring rolling machines |
| 08/12/2009 | CN101505556A Heating coil, induction heating equipment and manufacturing method for heating coil |
| 08/12/2009 | CN101504066A Thrust washer of high-wearing feature single-stage drive axle differential gear between wheels |
| 08/12/2009 | CN101504049A Suspension spring of high-speed locomotive steering frame and manufacturing method thereof |
| 08/12/2009 | CN101504037A Low-noise accurate miniature iron shot manufacturing process |
| 08/12/2009 | CN101503802A Method for improving corrosion resistance property of non-ferrous metal pipe fittings |
| 08/12/2009 | CN101503781A Pipe for crane boom and manufacturing method thereof |
| 08/12/2009 | CN101503778A Preparation of giant magnetostriction alloy wire |
| 08/12/2009 | CN101503756A Method and apparatus for thermally treating metal rod |
| 08/12/2009 | CN101503754A Vertical bottom feeding vacuum annealing stove |
| 08/12/2009 | CN101503753A Annealing technique for heating electric heating tube |
| 08/12/2009 | CN101503752A Linear translation relative transmission method for a pair of moving air chests and transmission mechanism |
| 08/12/2009 | CN101503751A Power-on water-bath steel wire quenching heat treatment method |
| 08/12/2009 | CN101503750A Heat pressing type plating efficiency annealing stove |
| 08/12/2009 | CN101503013A High-chromium cast iron composite wear-resistant material and technique for preparing the same |
| 08/12/2009 | CN100526495C Boron-containing casting die steel and preparation method thereof |
| 08/12/2009 | CN100526485C Method and equipment for plasticity heat treatment to recover composite boards of explosive welding |
| 08/12/2009 | CN100526484C Middle-small modulus gear high-frequency hardening production line automatic control system and method |
| 08/12/2009 | CN100526482C High precision automatic adjusting device and method for coil position |
| 08/12/2009 | CN100526481C Short-time upper bainite isothermal heat treatment process for industrial 9SiCr steel |
| 08/11/2009 | CA2348113C Friction stir grain refinement of structural members |
| 08/06/2009 | WO2009097426A2 Steel sheet heat treatment/stamp system and method |
| 08/06/2009 | WO2009095896A1 Fluid microjet system |
| 08/06/2009 | US20090194207 Cooling Method of Steel Plate |
| 08/06/2009 | US20090194203 Method of manufacturing a blade with high hardness nitride layer |
| 08/06/2009 | DE102008020794A1 Laser hardening plant for steel workpieces, has three adjacent, independent cooling nozzles to allow increased laser penetration depth and trace width without overheating |
| 08/06/2009 | CA2714011A1 Steel sheet heat treatment/stamp system and method |
| 08/05/2009 | EP2085493A1 Process for producing high-concentration carburized steel |
| 08/05/2009 | EP2085490A2 Device for tempering objects |
| 08/05/2009 | EP2085489A1 Fluid microjet system |
| 08/05/2009 | EP2085488A1 Vorrichtung zum Blasen von Gas auf eine Fläche von durchlaufendem Bandmaterial |
| 08/05/2009 | EP2085160A1 Device for hardening rails |
| 08/05/2009 | EP1817436A4 Method and apparatus for micro-treating iron-based alloy, and the material resulting therefrom |
| 08/05/2009 | EP1326725B1 Production of thin steel strip |
| 08/05/2009 | CN201284364Y Heat treatment equipment for alloy material |
| 08/05/2009 | CN201284356Y Non-oxidation roller heart type continuous annealing furnace for bar material |
| 08/05/2009 | CN201284354Y Crankshaft sectional locating synchronous induction heating apparatus |
| 08/05/2009 | CN201284353Y Quenching launching mechanism for producing efficient precise steel pipe kiln |
| 08/05/2009 | CN201284352Y Roller hearth flue gas shielding gas atmosphere steel pipe heat processing furnace |
| 08/05/2009 | CN201284351Y Locating feed gear of high-frequency annealing machine |
| 08/05/2009 | CN101501247A Method for quenching of steel member, quenched steel member, and agent for protecting quenched surface |
| 08/05/2009 | CN101501224A Sealing apparatus and continuous annealing furnace |
| 08/05/2009 | CN101497972A High strength low yield ratio welding structure steel and production method thereof |
| 08/05/2009 | CN101497971A High-strength hardened and tempered steel and production method thereof |
| 08/05/2009 | CN101497965A Steel for cutting edge of shovel of loader and digger and production method thereof |
| 08/05/2009 | CN101497938A Heat treatment system and method using active feedback |
| 08/05/2009 | CN101497937A Hot wall type well vacuum annealing stove |
| 08/05/2009 | CN101497936A On-line and off-line combined quenching refrigerating device after steel rolling |
| 08/05/2009 | CN100523263C Iron-base shape memory alloy locked key and its manufacturing and using method |
| 08/05/2009 | CN100523262C Meta-bainite steel and application of the same in railway |
| 08/05/2009 | CN100523256C Oil well seamless steel pipe excellent in resistance to sulfide stress cracking and method for production thereof |
| 08/05/2009 | CN100523231C Well type heat treatment device |
| 08/05/2009 | CN100522470C 机床 Machine tool |
| 08/04/2009 | CA2742949A1 Device for hardening of rails |
| 08/04/2009 | CA2742939A1 Device for hardening of rails |
| 08/04/2009 | CA2742873A1 Device for hardening of rails |
| 07/30/2009 | WO2009093132A1 Method for heating metal parts by induction and device for implementing said method |
| 07/30/2009 | DE102008006248A1 Vorrichtung und Verfahren zur Erwärmung von Werkstücken Device and method for heating of workpieces |
| 07/30/2009 | DE102004016975B4 Verfahren zur Wärmebehandlung von Metallen Process for the heat treatment of metals |
| 07/30/2009 | DE10137594B4 Dichtverbindung mit höhenprofilierter Dichtfläche und Verfahren zu ihrer Herstellung Sealing compound with height-profiled sealing surface and process for their preparation |
| 07/29/2009 | EP2006086A9 Soft magnetic metal strip laminate and process for production thereof |
| 07/29/2009 | EP1501632A4 Plasma-assisted carburizing |
| 07/29/2009 | EP1218552B1 Low-carbon steels of superior mechanical and corrosion properties |
| 07/29/2009 | CN201280577Y Fire door |
| 07/29/2009 | CN201280576Y Inter-cooling furnace |
| 07/29/2009 | CN201280575Y Quenching furnace |
| 07/29/2009 | CN201280574Y Quenching furnace feeder |
| 07/29/2009 | CN201280573Y Integral through hardening inductor |
| 07/29/2009 | CN201280572Y Wind-guiding apparatus of low-temperature tempering furnace |
| 07/29/2009 | CN101492762A Mould surface induction quenching machine tool |
| 07/29/2009 | CN101492761A Apparatus for recycling cooling gas |
| 07/29/2009 | CN101492760A Anneal oxidation method for punching slice in annealing oven |
| 07/29/2009 | CN101492759A Stress corrosion dehiscence resistant ultrasonic impact treatment process |
| 07/29/2009 | CN100519775C Short-time lower bainite isothermal heat treatment process for industrial 9SiCr steel |
| 07/29/2009 | CN100519774C Lower fluence boundary oblique laser shock peening |
| 07/29/2009 | CN100519773C Metal surface nanolizing method of supersonic wave high-energy surface machinery processing |
| 07/28/2009 | US7566373 Rolling member and producing method thereof |