| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 12/30/2009 | CN201373066Y Martensitic stainless steel chain |
| 12/30/2009 | CN201372307Y Multifunctional carburizing furnace |
| 12/30/2009 | CN201372304Y Annealing device for skinned wire of enameling machine |
| 12/30/2009 | CN201372302Y Carbonitriding quenching device |
| 12/30/2009 | CN201372301Y Quench machining tool sensing surface of mould |
| 12/30/2009 | CN201372300Y Improved salt bath furnace |
| 12/30/2009 | CN201372299Y Heat treatment device for producing galvanized iron wires |
| 12/30/2009 | CN101617059A Method of thermomechanical shaping a final product with very high strength and a product produced thereby |
| 12/30/2009 | CN101613789A Device and method for preventing copper wires from being oxidized in production of enameled wires |
| 12/30/2009 | CN101613788A Processing technique of local deformation of cylinder jacket |
| 12/30/2009 | CN100575527C Thin belt continuous casting austenitic stainless steel belt and manufacturing method thereof |
| 12/30/2009 | CN100575525C Preharden steel with excellent cutting performance and toughness and manufacturing method therefor |
| 12/30/2009 | CN100575507C Processing method of optimizing rustless steel |
| 12/30/2009 | CN100575506C Low-alloy bainite ductile iron oil quenching isothermal tempering heat treatment process |
| 12/30/2009 | CN100574921C High-strength part and process for producing the same |
| 12/29/2009 | US7638005 quenching processes; cooling the inner circumferential surface with a cooling medium; heat exchanging; prevent degradation of the quenching jigs; use in construction machines; wear resistance and impact fatigue resistance; low cost production |
| 12/29/2009 | CA2414099C Method and apparatus for flexible manufacturing a discrete curved product from feed stock |
| 12/27/2009 | CA2653612A1 Melting furnace with agitator |
| 12/24/2009 | US20090314393 Restoration of the metallurgical structure of the airfoil portion of the turbine blade to that which approximates the microstructure of a new-make blade, typically an as-cast microstructure, without disturbing the microstructure of the blade below the blade platform;precipitation-hardening |
| 12/23/2009 | EP2135967A1 Forging steel |
| 12/23/2009 | EP2135966A1 Pearlite steel rail of high internal hardness type excellent in wear resistance and fatigue failure resistance and process for production of the same |
| 12/23/2009 | EP2135961A2 Method and device for heat treating metallic materials in a protective atmosphere |
| 12/23/2009 | EP2135702A1 Residual stress improving device of tubular body |
| 12/23/2009 | EP2135485A1 Inductor for inductor hardening of metal, rod-shaped toothed racks |
| 12/23/2009 | EP2134879A2 Method for producing a crankshaft, in particular for diesel engines |
| 12/23/2009 | CN201368470Y Secondary heat exchanger of radiant pipe of galvanization annealing furnace |
| 12/23/2009 | CN201367453Y Mixed coal gas filtering device of galvanization annealing furnace |
| 12/23/2009 | CN201367452Y Quenching cooling device for steel wire or steel bar |
| 12/23/2009 | CN201367450Y Quenching press used for treating thin plate workpieces |
| 12/23/2009 | CN201367449Y Plate unrestraint spray quenching machine tool |
| 12/23/2009 | CN201367448Y Shaft-type scanning inductor |
| 12/23/2009 | CN201367447Y Spray cooling device for metal materials |
| 12/23/2009 | CN101611163A Low yield ratio dual phase steel linepipe with superior strain aging resistance |
| 12/23/2009 | CN101611157A Heat treatment apparatus |
| 12/23/2009 | CN101608698A Hollow spherical valve plug and manufacturing method thereof |
| 12/23/2009 | CN101608546A Processing technology for prolonging service life of guiding slide shoes |
| 12/23/2009 | CN101608290A Annealing method of aluminum foil stock |
| 12/23/2009 | CN101608285A Interstitial free (IF) hot rolled strip and manufacturing method thereof |
| 12/23/2009 | CN101608284A Titanium microalloyed hot rolled strip and manufacturing method thereof |
| 12/23/2009 | CN101608282A Drill rod material steel pipe resisting low temperature of -40 to -60 DEG C and manufacturing method thereof |
| 12/23/2009 | CN101608274A Ni-Fe-Al alloy with linear superelasticity and preparation method thereof |
| 12/23/2009 | CN101608254A Method for controlling high-chromium ferrite heat-resistant steel austenite-based micro-deformation lath martensite structure |
| 12/23/2009 | CN101608253A Steel bottle positioning device |
| 12/23/2009 | CN101608252A 2Cr13 heat treatment process |
| 12/23/2009 | CN101607265A Method for milling thin plate by four-high reversing cold mill |
| 12/23/2009 | CN100572743C Continuous expansion tube |
| 12/23/2009 | CN100572567C Method for thermally treating a component consisting of a fully hardenable, heat-resistant steel and a component made of said steel |
| 12/22/2009 | CA2573224C High-strength quenched formed body with good corrosion resistance and process for producing the same |
| 12/22/2009 | CA2497760C A machinable austempered cast iron article having improved machinability, fatigue performance, and resistance to environmental cracking and a method of making the same |
| 12/17/2009 | WO2009150868A1 Hearth roll having excellent mn build-up resistance, thermal shock resistance and wear resistance, and thermal spraying material for the same |
| 12/17/2009 | WO2009150867A1 Thermal spraying material and hearth roll |
| 12/17/2009 | WO2009149903A1 Process for the high-temperature annealing of grain-oriented magnetic steel strip in an inert gas atmosphere in a heat treatment furnace |
| 12/17/2009 | WO2008125964A8 Method for producing a crankshaft, in particular for diesel engines |
| 12/17/2009 | US20090309277 Vacuum nitriding furnace |
| 12/17/2009 | US20090308505 Quenching Fluid |
| 12/17/2009 | US20090308501 Improved undercut crankshaft hardening coil |
| 12/17/2009 | DE102008027460A1 Verfahren zum Herstellen eines Stahlblechbauteils mit Bereichen unterschiedlicher Duktilität A method for manufacturing a steel sheet member having regions of different ductility |
| 12/16/2009 | EP2133435A1 Jig for vacuum heat treatment and method of vacuum heat treatment |
| 12/16/2009 | EP1909348B1 Method for producing a titanium material for a fuel cell separator |
| 12/16/2009 | CN201362737Y Annealing device of precious metal alloy wire |
| 12/16/2009 | CN201362736Y After-forging heat-preservation guard shield of 2000T quick-forging press |
| 12/16/2009 | CN201362735Y Electric-heating far-infrared bogie-turnover-type metal thermal treatment furnace |
| 12/16/2009 | CN201362734Y Interior temperature meausirng device for heat-treatment heating furnace |
| 12/16/2009 | CN201362733Y Medium high frequency continuous heat processing device of sucker rods |
| 12/16/2009 | CN201362732Y Gas protective device for laser synthesis of amorphous coating |
| 12/16/2009 | CN201362731Y Car bottom type heat treatment furnace car bottom sealing structure |
| 12/16/2009 | CN101605914A Process and apparatus for hardening the surface layer of components having a complicated shape |
| 12/16/2009 | CN101604563A Method for manufacturing heat-resistant aluminum alloy wire for power cable |
| 12/16/2009 | CN101603164A Vacuum annealing method for tantalum tube |
| 12/16/2009 | CN101603157A Chromium-tungsten-rare earth-boron series air cooling medium-high carbon bainite steel and preparation method thereof |
| 12/16/2009 | CN101603156A Manufacture method for manufacturing cantilever steel pipe with high strength and high toughness by using hot-rolling coiled plate |
| 12/16/2009 | CN101603149A Low-alloy high-speed steel |
| 12/16/2009 | CN101603148A Method for producing economic low-temperature heating oriented electrical steel |
| 12/16/2009 | CN101603147A Hard tinned plate suitable for stamping processing and production process thereof |
| 12/16/2009 | CN101603145A Method for manufacturing high-efficiency non-oriented electrical steel for motor |
| 12/16/2009 | CN101603144A 700 MPa level high-strength cold rolling carbon-aluminum-manganese steel plate and manufacturing method thereof |
| 12/16/2009 | CN101603120A Method for controlling water cooling process of quenching machine |
| 12/16/2009 | CN101603119A Method for manufacturing steel plate with high strength and high toughness by using hot-rolling coiled plate |
| 12/16/2009 | CN101603118A Light-color quenching oil complexing agent composition and preparation method thereof |
| 12/16/2009 | CN101602434A Integral intermediate groove of isothermal quenching ductile iron conveyor and preparation method |
| 12/16/2009 | CN101602433A Scraper of CuNiMo alloying isothermal quenching ductile iron scraper conveyor and preparation method |
| 12/16/2009 | CN101602157A Production technology of speed reducer output shaft |
| 12/16/2009 | CN101602079A Method for manufacturing wear-resistant steel pipe by using hot-rolling coiled plate |
| 12/16/2009 | CN101602078A Method for manufacturing section steel with high strength and high toughness by using hot-rolling steel plate |
| 12/16/2009 | CN100570006C 20CrMnMo energy-saving carburizing composite heat treating process |
| 12/16/2009 | CN100570005C Carburizing technique for medium carbon steel cold rolled bearing case loop |
| 12/16/2009 | CN100569981C High strength low-carbon alloy structural steel used for centrifugal compressor impeller and preparation method thereof |
| 12/16/2009 | CN100569979C Sieve plate for sorting ultra-high manganese steel stone material and its making method |
| 12/16/2009 | CN100569407C Hot extrusion production technique for improving plastisity of magnesium alloy sectional material |
| 12/15/2009 | US7632453 Gas quenching method using a recycling facility |
| 12/15/2009 | US7632301 Tubular stent with oval struts |
| 12/15/2009 | CA2537506C Post weld heat treatment for chemically stabilized austenitic stainless steel |
| 12/15/2009 | CA2486352C Hard metallic materials, hard metallic coatings, methods of processing metallic materials and methods of producing metallic coatings |
| 12/10/2009 | US20090301683 Method and apparatus for removal of cooling water from ingots by means of water jets |
| 12/10/2009 | US20090301613 Low Yield Ratio Dual Phase Steel Linepipe with Superior Strain Aging Resistance |
| 12/10/2009 | US20090301612 Induction heat treatment method, induction heat treatment installation and induction-heat-treated product |
| 12/09/2009 | EP2130638A1 Method for handling the edges of metallic workpieces using a laser beam |
| 12/09/2009 | CN201358287Y System for regulating clearance between stable induction coil and surface of steel pipe |
| 12/09/2009 | CN201358286Y Safety device for preventing foreign body from blocking |
| 12/09/2009 | CN201358282Y High-efficiency and energy-saving annealing furnace |