| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 03/13/2013 | CN102971443A High-strength steel sheet with excellent processability and process for producing same |
| 03/13/2013 | CN102971442A Ultrahigh-strength cold-rolled steel sheet with excellent ductility and delayed-fracture resistance, and process for producing same |
| 03/13/2013 | CN102971441A Ferrite stainless steel sheet having high thermal resistance and processability, and method for manufacturing the same |
| 03/13/2013 | CN102969115A Constant-permeability iron core material for anti-direct-current component mutual inductor and preparation method of constant-permeability iron core material |
| 03/13/2013 | CN102965672A Heat treatment method for knife board of loading machine |
| 03/13/2013 | CN102965576A Preparation method of pump shaft of oil feed pump |
| 03/13/2013 | CN102965563A Casting method of valve body of ball check valve |
| 03/13/2013 | CN102965493A Ingot heating process for high-reducing forming of pipe mould blank |
| 03/13/2013 | CN102965492A Thermal-deformation clamp for gear sleeve heat treatment |
| 03/13/2013 | CN102965491A Heat treatment process for high-strength steel tube |
| 03/13/2013 | CN102965490A Thermal treatment process of spring |
| 03/13/2013 | CN102965489A Device and method for thermal treatment and online straightening of elongated rod type parts |
| 03/13/2013 | CN102965488A Heating method of shape memory alloy rod |
| 03/13/2013 | CN102965480A Method and equipment for quenching and cooling thick-walled steel pipe |
| 03/13/2013 | CN102965478A Heat treatment method for iron-based amorphous strip |
| 03/13/2013 | CN102962641A Elevator hydraulic oil tank piston and piston rod processing method |
| 03/13/2013 | CN102962543A Welding process for red copper and stainless steel dissimilar materials |
| 03/13/2013 | CN102962423A Centrifugal high-carbon, high-boron and high-speed steel composite roller shell and fabrication method of combined roller of composite roller shell |
| 03/13/2013 | CN102962290A High-efficiency production process capable of improving surface accuracy of cold-drawn seamless steel tube |
| 03/13/2013 | CN102382953B Rotary lifting-type gear sleeve automatic high frequency quenching device |
| 03/13/2013 | CN102367506B Numerical control quenching machine tool for disk-shaped parts of clutches |
| 03/13/2013 | CN102337480B Ultra-high strength steel plate with excellent environmental embrittlement resistance and fatigue resistance, and manufacturing method thereof |
| 03/13/2013 | CN102242247B Process for quenching steel plate spring |
| 03/13/2013 | CN102046829B High-strength hot-rolled steel sheet for line pipe excellent in low-temperature toughness and ductile-fracture-stopping performance and process for producing the same |
| 03/13/2013 | CN102041374B Differential quenching method for large-diameter whole ledeburitic steel cold roll |
| 03/13/2013 | CN101921971B Bainite steel and bainite steel rail used for curve and heavy load steel rail, and production method thereof |
| 03/12/2013 | US8394215 For turbine engines; filling nickel or cobalt alloy in crack; heat treatment; controlling time, temperature |
| 03/12/2013 | US8394214 Method for processing metal body and apparatus for processing metal body |
| 03/07/2013 | WO2013031587A1 Rolled steel bar or wire for hot forging |
| 03/07/2013 | WO2013031151A1 High strength hot dip galvanized steel sheet having excellent deep- drawability, and method for producing same |
| 03/07/2013 | WO2013031105A1 Hot-rolled steel sheet for cold-rolled steel sheet, hot-rolled steel sheet for hot-dipped galvanized steel sheet, method for producing hot-rolled steel sheet for cold-rolled steel sheet, and method for producing hot-rolled steel sheet for hot-dipped galvanized steel sheet |
| 03/07/2013 | WO2013030017A1 Device for hardening a surface having rib-like or tooth-like elements |
| 03/07/2013 | US20130056115 Automobile chassis part excellent in low cycle fatigue characteristics and method of production of same |
| 03/06/2013 | EP2565489A1 Shock-absorbing member |
| 03/06/2013 | EP2565288A1 Hot rolled dual phase steel sheet having excellent dynamic strength, and method for producing same |
| 03/06/2013 | EP2565287A1 High-strength stainless steel for oil well and high-strength stainless steel pipe for oil well |
| 03/06/2013 | CN202766587U Air cooling structure for pulley conductive wheel of copper wire annealing device |
| 03/06/2013 | CN202766586U Multifunctional copper wire annealing device |
| 03/06/2013 | CN202766585U Routing wheel support structure for copper wire annealing device |
| 03/06/2013 | CN202766584U Cooling system for annealing furnace disk roller device |
| 03/06/2013 | CN202766583U Horizontal type fixing device for annealing of belt and coil material |
| 03/06/2013 | CN202766582U Seamless steel pipe annealing and conveying device |
| 03/06/2013 | CN202766581U Bright annealing device for stainless steel tube |
| 03/06/2013 | CN202766580U Clamping mechanism for bar hanging |
| 03/06/2013 | CN202766579U Annular bell-type resistance furnace for heating cylindrical shell section of pressure container |
| 03/06/2013 | CN202766571U Track-free back burning machine for building ship |
| 03/06/2013 | CN202766570U Trackless back burning machine for shipbuilding |
| 03/06/2013 | CN202766569U Annealing and correcting machine for steel plate workpieces |
| 03/06/2013 | CN202766568U Annular convection plate of annealing furnace |
| 03/06/2013 | CN202766566U Tempering furnace with hydraulic pressing device |
| 03/06/2013 | CN202763618U Device capable of surface wiredrawing processing for steel belt on annealed wire |
| 03/06/2013 | CN102959271A Shock-absorbing member |
| 03/06/2013 | CN102959130A Method for producing cold-rolled steel sheet, cold-rolled steel sheet, and vehicle member |
| 03/06/2013 | CN102959129A Method for producing cold-rolled steel sheet, cold-rolled steel sheet, and vehicle member |
| 03/06/2013 | CN102959119A Hot rolled dual phase steel sheet having excellent dynamic strength, and method for producing same |
| 03/06/2013 | CN102959118A High-strength hot-rolled steel sheet having excellent stretch flangeability and method for producing same |
| 03/06/2013 | CN102959117A High-tension/hot-rolled steel sheet having excellent workability, and method for producing same |
| 03/06/2013 | CN102959116A High-strength hot-dip galvanized steel sheet with excellent processability and process for producing same |
| 03/06/2013 | CN102959110A Cylinder liner with high strength and wear resistance and manufacturing method thereof |
| 03/06/2013 | CN102959100A Profiled wire made of hydrogen-embrittlement-resistant steel having high mechanical properties |
| 03/06/2013 | CN102959099A Method for producing non-oriented magnetic steel sheet |
| 03/06/2013 | CN102959098A Electroseamed steel pipe and process for producing same |
| 03/06/2013 | CN102959097A High frequency heating coil |
| 03/06/2013 | CN102959096A Treatment of heater tube intended for pressurizer of the primary cooling system of nuclear reactor |
| 03/06/2013 | CN102953056A Train wheel combined laser reinforcement method |
| 03/06/2013 | CN102953021A Fast cooling device for solution treatment of aluminum alloy plate of moderate thickness |
| 03/06/2013 | CN102953019A Alloy steel seamless steel tube for geological drilling and machining method thereof |
| 03/06/2013 | CN102953006A Integral hard bainite bearing steel and manufacture method thereof |
| 03/06/2013 | CN102952937A Material stirring device with double-hydraulic-cylinder follow-up control |
| 03/06/2013 | CN102952936A Super-soft bare copper strip annealing system |
| 03/06/2013 | CN102952935A Thermal treatment device of metal wire |
| 03/06/2013 | CN102952934A Heat treatment process for improving strength of inner flange of third-generation wheel hub bearing of vehicle |
| 03/06/2013 | CN102952930A Heat treatment process and heat treatment case of alloy steel shaft mounted brake disc |
| 03/06/2013 | CN102952929A Continuous heat treatment device and continuous heat treatment method |
| 03/06/2013 | CN102952926A Thermal refining method of press eccentric body made from 35CrMo |
| 03/06/2013 | CN102952925A Heating and quenching sensor for cams |
| 03/06/2013 | CN102950424A Preparation method of LD steel cold roll ejector for small-pore stainless seamless pipe |
| 03/06/2013 | CN102950269A Manufacturing method of vertical centrifugal composite cast steel supporting roll |
| 03/06/2013 | CN102329945B Conductive wheel assembly |
| 03/06/2013 | CN102268530B Heat treatment method of weld seam of welding weighted drill pipe |
| 03/06/2013 | CN102260837B Protective atmosphere switching method for red copper and brass strips |
| 03/06/2013 | CN102152081B Manufacture method of vehicle rocker arm bearing |
| 03/06/2013 | CN102089451B Aluminum-plated steel sheet for hot pressing with rapid heating, process for producing same, and method of hot-pressing same with rapid heating |
| 03/06/2013 | CN101928818B Rapid air cooling device for hollow pipe-shaped heat-treated product |
| 03/06/2013 | CN101655002B Oil layer-section oil casing pipe for exploiting thick oil by method of combustion drive and production method thereof |
| 03/06/2013 | CN101570812B Steering arm shaft induction heating tempering technology |
| 03/06/2013 | CN101509062B Method for quenching end socket ribbet position of assembled camshaft |
| 03/06/2013 | CN101353722B Heat treatment method of metal objects |
| 03/05/2013 | US8388775 Process of thermal treatment of rails |
| 03/05/2013 | US8388774 Multiwave thermal processes to improve metallurgical characteristics |
| 02/28/2013 | WO2013027666A1 Steel oil well pipe having excellent sulfide stress cracking resistance |
| 02/28/2013 | US20130048159 High-strength and high-toughness ultrafine wire rod and method for producing same |
| 02/28/2013 | US20130048157 METHOD FOR MANUFACTURING HIGH-Si COLD ROLLED STEEL SHEET HAVING EXCELLENT CHEMICAL CONVERSION PROPERTIES |
| 02/28/2013 | DE19908407B4 Hochfeste Ventilfeder und Verfahren zu ihrer Herstellung High-strength valve spring and process for their preparation |
| 02/28/2013 | DE102011053139A1 Vorrichtung zum Härten einer mit rippen- oder zahnartigen Elementen versehenen Oberfläche Apparatus for curing a rib or provided with tooth-like surface elements |
| 02/28/2013 | DE102004018406B4 Kaltgeformte Feder von hoher Ermüdungsfestigkeit und hoher Korrosionsermüdungsfestigkeit, Stahl für eine solche Feder und Verfahren zur Herstellung einer solchen Feder Cold-formed spring from high fatigue strength and high corrosion fatigue strength, steel for such a spring and method for manufacturing such a spring |
| 02/28/2013 | CA2843593A1 Oil-well steel pipe having excellent sulfide stress cracking resistance |
| 02/27/2013 | EP2562286A1 High strength hot-dip galvanized steel sheet with superior workability and production method therefor |
| 02/27/2013 | EP2562283A1 Steel component having excellent temper softening resistance |
| 02/27/2013 | EP2562272A2 Method for producing steel product having excellent mechanical properties, steel product produced with the method and its use |