| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 04/13/2011 | CN101397630B Cold-work tool steel article |
| 04/13/2011 | CN101230412B Magnetic hysteresis alloy stress heat-treatment method and special assembly thereof |
| 04/12/2011 | US7922837 Steel sheet for vitreous enameling and method for producing the same |
| 04/12/2011 | US7922836 Ferrous abrasion resistant sliding material |
| 04/07/2011 | WO2011040587A1 Steel for machine structural use, manufacturing method for same, case hardened steel components, and manufacturing method for same |
| 04/07/2011 | WO2011040243A1 Shot peening treatment method for steel product |
| 04/07/2011 | US20110081106 Manufacturing method of thin component, bearing ring, thrust needle roller bearing, manufacturing method of rolling bearing ring, rolling bearing ring, and rolling bearing |
| 04/07/2011 | US20110079325 Method for assembling rotor for use in ipm rotary machine |
| 04/07/2011 | DE102010033864A1 Lokale Wärmebehandlung von Aluminiumpaneelen Local heat treatment of aluminum panels |
| 04/06/2011 | EP2305995A1 Process for producing common rail, and common rail |
| 04/06/2011 | EP2304061A1 Process for the high-temperature annealing of grain-oriented magnetic steel strip in an inert gas atmosphere in a heat treatment furnace |
| 04/06/2011 | CN201785453U Suspension type inner gear ring high-frequency quenching machine |
| 04/06/2011 | CN201785452U Special tooling for deformation of heavy-duty locomotive coupling due to thermal treatment |
| 04/06/2011 | CN201785447U Metal work piece quenching medium recycling device |
| 04/06/2011 | CN201785446U Quenching oil cooling treatment device |
| 04/06/2011 | CN201785445U Hot-rolling and rapid-cooling device for austenitic gas valve steel |
| 04/06/2011 | CN201785444U Automatic quenching oil groove turnover device |
| 04/06/2011 | CN201785443U Gas shield water base quenching device |
| 04/06/2011 | CN201785442U Oil control basket for wear-resistant material |
| 04/06/2011 | CN201785441U Ultrasonic-frequency induction heating diffusion device |
| 04/06/2011 | CN201785440U Heat-recovery-type carbon restoration continuous isothermal spheroidized annealing furnace |
| 04/06/2011 | CN201785439U Gas-fired energy-saving type annealing furnace |
| 04/06/2011 | CN1703525B Cu-containing steel material having superior surface quality, and manufacturing method therefor |
| 04/06/2011 | CN102002639A Dual phase steel sheet and method of manufacturing the same |
| 04/06/2011 | CN102002582A Method and device for synchronously analyzing and monitoring band steel by using image identification |
| 04/06/2011 | CN102002575A Transverse feed type high-frequency quenching mechanism |
| 04/06/2011 | CN102002571A Thermal treatment method for 82B high-speed coil rod end butt welding contact |
| 04/06/2011 | CN102002570A Quenching process |
| 04/06/2011 | CN102002569A Method for changing roller outside roller hearth steel plate heat treatment furnace and device thereof |
| 04/06/2011 | CN102002565A Heat treatment quick cooling device |
| 04/06/2011 | CN102002564A Solar-powered constant-temperature salt bath system |
| 04/06/2011 | CN102002563A Arranging structure of heaters on bearing-steel isothermal spheroidized annealing furnace |
| 04/06/2011 | CN102002562A Bearing steel isothermal spheroidizing annealer |
| 04/06/2011 | CN102002561A C-grade steel heat treatment method |
| 04/06/2011 | CN102002560A Annealing method |
| 04/06/2011 | CN102002559A Annealing method and device of bell type furnaces |
| 04/06/2011 | CN102002558A Step quenching-distribution heat treatment technology of steels containing carbide formation inhibiting elements |
| 04/06/2011 | CN102000825A Method for manufacturing driving gear of motorcycle clutch |
| 04/06/2011 | CN102000824A Manufacturing method of cam of engine camshaft |
| 04/06/2011 | CN102000813A Integrated metal processing facility |
| 04/06/2011 | CN101638756B Production process method of high-carbon multi-element alloy casting grinding ball |
| 04/06/2011 | CN101580891B Quenching tank provided with combined type current limiting plate |
| 04/06/2011 | CN101575690B Preparation method for fine crystalline refractory metal |
| 04/06/2011 | CN101575664B Process for heat treatment of amorphous transformer core |
| 04/06/2011 | CN101565793B Alloy ductile iron crankshaft and heat treatment process thereof |
| 04/06/2011 | CN101537534B Superimposing method of circular light spot laser shock strengthening tracks |
| 04/06/2011 | CN101526046B Piston ring |
| 04/06/2011 | CN101463417B Heat treatment method for strip steel inlaid guide rail |
| 04/06/2011 | CN101440427B Steel pipe normalizing method |
| 04/06/2011 | CN101381847B Producing method of flushing and abrasion-resistant steel with high tensile strength |
| 04/06/2011 | CN101338357B Hydraulic multicylinder high precision synchronous control system for implementing roller quenching machine |
| 04/05/2011 | US7919041 Hearth roll apparatus for annealing furnace |
| 04/05/2011 | CA2575940C Method for producing quenched components consisting of sheet steel |
| 03/31/2011 | US20110076419 Method for developing fine grained, thermally stable metallic material |
| 03/31/2011 | US20110076176 Cast compressor articles and methods of forming same |
| 03/31/2011 | US20110074529 Magnetic Strip, Sensor Comprising a Magnetic Strip and Process for the Manufacture of a Magnetic Strip |
| 03/31/2011 | US20110073222 Heat-Treatment Process for a Steel |
| 03/31/2011 | US20110073219 Method for improving residual stress in pipe and apparatus |
| 03/30/2011 | EP2302089A1 Steam turbine rotor and alloy therefor |
| 03/30/2011 | EP2302081A1 Method and device for preparing process gases for the thermal treatment of metallic materials/workpieces in industrial ovens |
| 03/30/2011 | CN201779977U Salt bath furnace for thermal treatment |
| 03/30/2011 | CN201778091U Online quencher of aluminum alloy extruder |
| 03/30/2011 | CN201778071U Isolation device for isolating atmosphere of annealing furnace |
| 03/30/2011 | CN201778064U Quenching oil heat recycling system |
| 03/30/2011 | CN201778063U On-line drying device for electromagnetic induction heating and spray quenching thermal treatment for steel bars and deformed steel bars |
| 03/30/2011 | CN201778062U Quenching device for methanol gasification |
| 03/30/2011 | CN201778061U Mechanism of continuous medium/high-frequency quenching machine tool |
| 03/30/2011 | CN201778060U Thermal treatment furnace |
| 03/30/2011 | CN201778059U Tempering furnace with steam generator |
| 03/30/2011 | CN101996721A Method for improving coercive force of sintered neodymium ferrum boron (NdFeB) |
| 03/30/2011 | CN101996720A Rare earth-gallium material for magnetic refrigeration and preparation method thereof |
| 03/30/2011 | CN101994121A Composite heat treatment method |
| 03/30/2011 | CN101994120A Rolling bearing heat treatment process method |
| 03/30/2011 | CN101994119A Heat treatment process of rocker |
| 03/30/2011 | CN101994118A Heat treatment method for steel pieces |
| 03/30/2011 | CN101994067A High-intensity pipe steel and production method thereof |
| 03/30/2011 | CN101994030A Low-cost high-performance AB5 type hydrogen storage alloy and preparation method thereof |
| 03/30/2011 | CN101993995A Water quenching and cooling method and device for ultrahigh-strength strip steel |
| 03/30/2011 | CN101993992A Surface heat treatment method for wheel hub unit |
| 03/30/2011 | CN101993985A Constant temperature process equipment and method as well as constant temperature quenching device and method of forge piece waste heat |
| 03/30/2011 | CN101993984A Quenching method using calcium chloride aqueous solution as quenching medium of chain part |
| 03/30/2011 | CN101993983A Annealing method for improving machinability of martensitic stainless steel cast |
| 03/30/2011 | CN101993982A Heat treatment method of metal parts |
| 03/30/2011 | CN101992567A Stainless steel/aluminum composite material and preparation method thereof |
| 03/30/2011 | CN101992382A Method for carrying out cold extrusion molding on pinion in automobile steering device |
| 03/30/2011 | CN101992224A Production process of clad steel wire rod with steel core wire of dual phase structure |
| 03/30/2011 | CN101661860B Recovery method of bad shadow mask after blackening |
| 03/30/2011 | CN101643885B Engineering steel with excellent lamellar tearing resisting performance and production method thereof |
| 03/30/2011 | CN101613840B Super-thick steel plate with obdurability matching and excellent high-temperature performance and manufacturing method thereof |
| 03/30/2011 | CN101603157B Chromium-tungsten-rare earth-boron series air cooling medium-high carbon bainite steel and preparation method thereof |
| 03/30/2011 | CN101353754B Steel for internal magnetic shield and manufacturing method thereof |
| 03/30/2011 | CN101298645B Steel plate having superior pitting corrosion resistance and manufacturing method thereof |
| 03/30/2011 | CN101121957B Link joint strengthening method for bicycle chain under weak carbon potential atmosphere |
| 03/29/2011 | US7914630 Method for producing mat-surfaced austenitic stainless steel strips |
| 03/24/2011 | WO2011033180A1 Stainless steel having local variations in mechanical resistance |
| 03/24/2011 | WO2011032685A1 Method for pre-treating and preparing a sheet metal part |
| 03/24/2011 | US20110068519 Press hardening die cooling device |
| 03/24/2011 | US20110067786 Treatment solution for insulation coating for grain oriented electrical steel sheet and method for producing grain oriented electrical steel sheet having insulation coating |
| 03/24/2011 | DE102009040324A1 Verfahren zur Wärmebehandlung von Gasturbinenschaufeln A method of heat treatment of gas turbine blades |
| 03/24/2011 | DE102009038598A1 Verfahren und Vorrichtung zur Aufbereitung von Prozessgasen für Wärmebehandlungen von metallischen Werkstoffen/Werkstücken in Industrieöfen Method and apparatus for treatment of process gases for heat treatment of metallic materials / workpieces in industrial furnaces |