| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 07/20/2011 | EP2345747A1 Method and device to reduce risk of and to suppress fumes in oil quenching. |
| 07/20/2011 | EP2073944B1 Coiler furnace |
| 07/20/2011 | CN201901690U Strip steel hardening device |
| 07/20/2011 | CN201901689U Matched structure of heating furnace and tempering furnace for producing steel ball |
| 07/20/2011 | CN1685072B Hot milled wire rod excelling in wire drawability and enabling avoiding heat treatment before wire drawing |
| 07/20/2011 | CN102127703A Method for manufacturing cold-rolled non-oriented electrical steel for frequency-variable air conditioner |
| 07/20/2011 | CN102127632A Heating process of CSP (Compact Strip Production) roller-hearth soaking furnace |
| 07/20/2011 | CN102127631A Tempering heater of bead steel wire |
| 07/20/2011 | CN102127630A Laser-impact strengthening treatment method for steel welded joint of X70 pipeline |
| 07/20/2011 | CN102127629A Steel ball bearing and transporting mechanism for steel ball tempering furnace |
| 07/20/2011 | CN102127628A Overall thermal treatment process for large-sized pipeline |
| 07/20/2011 | CN102127624A Cryogenic treatment method and device for steel wire for cutting solar cell silicon chip |
| 07/20/2011 | CN102126110A Method for manufacturing high-silicon steel thin strip |
| 07/20/2011 | CN102126063A Metal product producing method, metal product, metal component connecting method, and connection structure |
| 07/20/2011 | CN102126007A Method for manufacturing compound blade of agricultural harvester |
| 07/20/2011 | CN101829928B Ball distribution mechanism of steel ball processor |
| 07/20/2011 | CN101824586B Continuous annealing device |
| 07/20/2011 | CN101812582B Steel wire heat processing naked-flame furnace |
| 07/20/2011 | CN101812581B Method for analysis and on-line monitoring of vibration performance of band steel in continuous annealing unit furnace |
| 07/20/2011 | CN101812573B Gas-heated multipurpose roller hearth furnace |
| 07/20/2011 | CN101787484B Low-silicon cold rolled precision strip steel for copper-lead bearing steel back and production method thereof |
| 07/20/2011 | CN101787429B Bar stock heating furnace |
| 07/20/2011 | CN101775475B Hot-rolled tube billet heating process |
| 07/20/2011 | CN101758151B Rolling formation method of large and medium titanium alloy solid disc-shaped forge piece |
| 07/20/2011 | CN101724764B Process for preparing biomedical beta-titanium alloy |
| 07/20/2011 | CN101717901B Process and device for amorphous thin ribbon heat treatment under the action of pulsed magnetic field |
| 07/20/2011 | CN101709921B System and method thereof for recovering waste heat of cooled piece of heating furnace |
| 07/20/2011 | CN101709366B Heat treatment method for improving mechanical property of thin-wall case aluminium alloy castings |
| 07/20/2011 | CN101701329B Meter-class aluminum alloy forging ring quenching method |
| 07/20/2011 | CN101698207B Method for producing copper alloy coil pipe |
| 07/20/2011 | CN101665864B Production method of high speed steel prehardening materials |
| 07/20/2011 | CN101608253B Steel bottle positioning device |
| 07/20/2011 | CN101545032B Method for realizing evenly cooling of strip steel |
| 07/20/2011 | CN101473149B Pulley for continuously variable transmission |
| 07/20/2011 | CN101450376B Turbine wicket gate double-refining casting technique |
| 07/20/2011 | CN101444870B Method for hot-sizing welded integral vane disk by utilizing electron beam |
| 07/20/2011 | CN101397602B Quenching apparatus for tool edge |
| 07/20/2011 | CN101376946B Manufacturing method of straight welding petroleum casing pipe of steel for 110ksi steel grade |
| 07/20/2011 | CN101376943B Manufacturing method of straight welding petroleum casing pipe of steel for 80ksi steel grade |
| 07/20/2011 | CN101270438B Normalized steel for resistance welding petroleum case pipe with low yield ratio, resistance welding casing tube and its manufacturing method |
| 07/20/2011 | CN101225463B Method for restoring and improving service life of hot roller and cold rolling subsidiary roller |
| 07/20/2011 | CN101208442B High-carbon hot-rolled steel sheet and process for producing the same |
| 07/14/2011 | WO2011083816A1 Flexure member manufacturing method and flexture member manufacturing device |
| 07/14/2011 | WO2011082934A1 Method and device for heating and partially cooling work pieces in a continuous furnace |
| 07/14/2011 | US20110171590 Device for heating rod-type work pieces |
| 07/14/2011 | US20110168303 High tensile strength steel for container and producing method of the same |
| 07/14/2011 | US20110168302 High-strength ultrathin steel wire and method of manufacturing the same |
| 07/14/2011 | US20110168300 Manufacturing method for very high-strength cold-rolled dual-phase steel sheets and sheets so produced |
| 07/14/2011 | CA2786458A1 Method and apparatus for manufacturing a bent member |
| 07/13/2011 | EP2343392A1 Method for preparing a stainless steel wire, rope and/or strand |
| 07/13/2011 | EP1712658B1 Method for surface treatment of metal material |
| 07/13/2011 | EP1314791B1 Low carbon martensitic stainless steel and method for production thereof |
| 07/13/2011 | CN201897735U Automatic temperature control cabinet of horizontal annealing furnace |
| 07/13/2011 | CN201896186U Carburizing and quenching equipment for gear shafts |
| 07/13/2011 | CN1740023B Link and producing method of the same |
| 07/13/2011 | CN102124129A Method for manufacturing high-strength metal wire rod |
| 07/13/2011 | CN102121548A Air duct connecting structure, buckle and method for manufacturing buckle |
| 07/13/2011 | CN102121089A Reduction annealing and heat plating process of band steel continuous heat plating rare earth aluminium zinc alloy |
| 07/13/2011 | CN102121083A Method for improving impact absorption energy of flange in ultralow-temperature state |
| 07/13/2011 | CN102121064A Off-line laser quenching process for surface strengthening treatment of steel rail |
| 07/13/2011 | CN102121063A Square or flat material production line jet cooling system |
| 07/13/2011 | CN102121062A Bar whole quenching cooling device |
| 07/13/2011 | CN101775480B Control method for preventing deformation in quenching process of 9Cr18 thin-wall bearing ring |
| 07/13/2011 | CN101767179B Method for forging screw and nut |
| 07/13/2011 | CN101701286B Method for controlling heat treatment deformation of high-power locomotive traction driven gear |
| 07/13/2011 | CN101358323B Seamless steel tube for 27SiMnB steel, cylinder and production method thereof |
| 07/13/2011 | CN101343715B High-strength high-ductility X70 thick-wall seamless pipeline steel and manufacturing method |
| 07/13/2011 | CN101328559B Steel for low yield ratio petroleum case pipe, petroleum case pipe and manufacturing method thereof |
| 07/12/2011 | US7976650 Method for production of sheet of austenitic iron/carbon/manganese steel and sheets produced thus |
| 07/12/2011 | US7976647 Very high mechanical strength steel and method for making a sheet thereof coated with zinc or zinc alloy |
| 07/12/2011 | CA2575241C Steel sheet having high young's modulus, hot-dip galvanized steel sheet using the same, alloyed hot-dip galvanized steel sheet, steel pipe having high young's modulus, and methodsfor manufacturing these |
| 07/07/2011 | WO2011081901A1 Method of making a hypereutectoid, head-hardened steel rail |
| 07/07/2011 | WO2011080300A1 Winding/unwinding device and method for winding/unwinding a metal product in a rolling line |
| 07/07/2011 | WO2011079341A2 Thermomechanical treatment method |
| 07/07/2011 | US20110165436 Coated steel strips, methods of making the same, methods of using the same, stamping blanks prepared from the same, stamped products prepared from the same, and articles of manufacture which contain such a stamped product |
| 07/07/2011 | US20110162761 Method for producing a vacuum-insulated double container |
| 07/07/2011 | CA2783970A1 Method of making a hypereutectoid, head-hardened steel rail |
| 07/06/2011 | EP2341160A1 Ferritic stainless steel and method for producing the same |
| 07/06/2011 | EP2341157A1 A catenary type furnace |
| 07/06/2011 | EP2341156A1 Use of a steel alloy in a hot-forming and press-hardening |
| 07/06/2011 | EP2340897A1 Thermomechanical processing method for rough sheet metal |
| 07/06/2011 | EP2340542A1 System and method for annealing nuclear fission reactor materials |
| 07/06/2011 | EP2039791B1 High-strength steel sheet and process for producing the same |
| 07/06/2011 | EP1918400B1 Seamless steel pipe for pipeline and method for producing the same |
| 07/06/2011 | EP1640467B1 Steel bar for steering rack, method for producing the same, and steering rack using the same |
| 07/06/2011 | CN201890907U Copper ingot heating system with protective atmosphere |
| 07/06/2011 | CN201890906U Air cushion suspension generating device of air cushion furnace |
| 07/06/2011 | CN201890905U Air guide structure on belt material thermal treatment equipment |
| 07/06/2011 | CN201890904U Water cooling device on belt material thermal treatment equipment |
| 07/06/2011 | CN201890903U Strip guiding device of strip material thermal treatment equipment |
| 07/06/2011 | CN201890902U Air cushion box on belt material thermal treatment equipment |
| 07/06/2011 | CN201890901U Nuclear-grade U-shaped pipe total hydrogen thermal treatment furnace |
| 07/06/2011 | CN102119235A High-strength hot-dip zinc-coated steel sheet having excellent surface appearance and process for production of same |
| 07/06/2011 | CN102119234A High-strength cold-rolled steel sheet excellent in weldability and process for production of same |
| 07/06/2011 | CN102115850A Multi-component low-alloyed large-scale wear-resistant cast steel hammerhead and preparation process thereof |
| 07/06/2011 | CN102115811A Austenitic heat treatment process for 72A steel wire |
| 07/06/2011 | CN102115810A Induction-heating normalizing inductor and induction-heating normalizing process for drive bevel gear |
| 07/06/2011 | CN102115809A Environment-friendly heat treatment process for large shaft forgings |
| 07/06/2011 | CN102115806A Heat treatment process for improving low temperature toughness of super-thick plates |
| 07/06/2011 | CN102114531A Method for producing wear-resistant hammer head |