| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 10/06/2010 | CN101853726A Soft magnetic material and preparation method thereof |
| 10/06/2010 | CN101852144A Cylinder jacket of diesel engine |
| 10/06/2010 | CN101851730A High strength thin steel plate excellent in elongation and bore expanding characteristics and method for production thereof |
| 10/06/2010 | CN101851729A Method for preparing tough and wearable high boron steel |
| 10/06/2010 | CN101851725A Alloy for improving shapes of carbides in nickel-hardened indefinite chilled cast iron and manufacturing method |
| 10/06/2010 | CN101851723A Special Martensitic ductile iron wear-resistant medium suitable for mine |
| 10/06/2010 | CN101851708A Quick preparation method of ferrosilicon thermoelectric material |
| 10/06/2010 | CN101851702A Screw spike induction heating device |
| 10/06/2010 | CN101851700A Online water cooling method and equipment |
| 10/06/2010 | CN101851699A Method for manufacturing carbide-free bainite low-temperature cast steel |
| 10/06/2010 | CN101503753B Annealing technique for heating electric heating tube |
| 10/06/2010 | CN101492759B Stress corrosion dehiscence resistant ultrasonic impact treatment process |
| 10/06/2010 | CN101463457B Method and equipment for hot dip of steel wire |
| 10/06/2010 | CN101333589B Method for nonoxidizing heating thin steel plate and special heating furnace |
| 10/06/2010 | CN101275178B Gear quenching shielding liquid-blocking device |
| 10/06/2010 | CN101121954B H13 steel vacuum time-control quenching heat treatment technique |
| 10/06/2010 | CN100999982B Connecting hoop presetting sucker rod |
| 10/05/2010 | US7806992 Quenching by cooling; self tempering; for automobile steel axle units such as constant-velocity universal joint and hub, and machine engine parts such as crankshaft |
| 10/05/2010 | US7805828 Method of manufacturing thin-film magnetic head |
| 09/30/2010 | WO2010110379A1 Maraging steel strip |
| 09/30/2010 | WO2010110145A1 Bearing parts, rolling bearing, and process for production of bearing parts |
| 09/30/2010 | WO2010110037A1 Automatic heat treatment method for metal ring |
| 09/30/2010 | WO2010109778A1 Carbon steel sheet having excellent carburization properties, and method for producing same |
| 09/30/2010 | WO2010109012A1 Method for producing partially hardened steel components |
| 09/30/2010 | DE102006062502B4 Verwendung einer Vorrichtung zur Behandlung von Laufbahnen von Zylinderräumen von Motorblöcken für Verbrennungsmotoren Use of a device for the treatment of raceways of cylinder chambers of engine blocks for internal combustion engines |
| 09/30/2010 | CA2736374A1 Carbon steel sheet having excellent carburization properties, and method for producing same |
| 09/29/2010 | EP2233601A1 Carburization treatment method |
| 09/29/2010 | EP2233593A2 Method and device for thermal recasting of pressure-hardened casting components made of sheet metal |
| 09/29/2010 | EP2231884A1 Process of thermal treatment of rails and device thereof |
| 09/29/2010 | EP2231883A1 A method for reducing stress in a conduit brace assembly |
| 09/29/2010 | CN201593927U Auto-controlled lifting type high-temperature material gas rapid injection cooling unit |
| 09/29/2010 | CN201593926U High-temperature material gas fast injection intensive refrigeration unit |
| 09/29/2010 | CN201593062U Conveying device for inner spray pipe |
| 09/29/2010 | CN201593060U Steel cylinder quenching compacting device |
| 09/29/2010 | CN201593059U Heat treatment device of alloy steel products |
| 09/29/2010 | CN201593058U Heat-treating equipment for cast-steel product |
| 09/29/2010 | CN201593057U Heat treatment device for buffer products |
| 09/29/2010 | CN201593056U Heat treatment equipment for shock-resistant materials |
| 09/29/2010 | CN201593055U Heat-treatment equipment for train bumper material |
| 09/29/2010 | CN101849025A Device and method for loading and unloading a heat treatment furnace |
| 09/29/2010 | CN101845939A Petroleum casing pipe and method for manufacturing same |
| 09/29/2010 | CN101845637A Grain boundary diffusion process for neodymium iron boron magnet |
| 09/29/2010 | CN101845605A Austenitic stainless steel plate with excellent strength at medium and low temperature and manufacturing method thereof |
| 09/29/2010 | CN101845597A Low-cost 80-kilo grade super-thick quenched and tempered steel plate and production method thereof |
| 09/29/2010 | CN101845593A Steel for 20 control Cr nuclear power and production method thereof |
| 09/29/2010 | CN101845591A Copper-steel composite material and preparation method thereof |
| 09/29/2010 | CN101845582A Production method of high magnetic induction oriented silicon steel |
| 09/29/2010 | CN101845546A Heat treatment method of 9Cr180Mo steel valve bush part |
| 09/29/2010 | CN101845544A Annealing furnace capable of preventing deformation of internal furnaces |
| 09/29/2010 | CN101845541A Resistor heating gradient thermal treatment device for double alloy disc kind part |
| 09/29/2010 | CN101845540A Ultra-high strength cold-rolled steel strip nodularization annealing process |
| 09/29/2010 | CN101845539A Method for strengthening edges of tool and die based on laser transformation hardening |
| 09/29/2010 | CN101844291A Molding method and mould of large nuclear-power spherical sealing head product |
| 09/29/2010 | CN101844162A Method for removing residual stress of hot-rolling high-strength steel |
| 09/29/2010 | CN101844158A Phi 0.03m special titanium filament processing process |
| 09/29/2010 | CN101586179B Narrow slit effect quenching clamper |
| 09/29/2010 | CN101570836B Method for preparing polyphase structure drill rod materials |
| 09/29/2010 | CN101555907B Ball-type slewing bearing with asymmetric raceway and processing method thereof |
| 09/29/2010 | CN101524726B Ultra-large type head plate integral pressing and molding technology and safe shell sealing head |
| 09/29/2010 | CN101481751B Cooling method for electrical heating vertical furnace |
| 09/29/2010 | CN101434025B Method for processing crankshaft capable of improving torques of winch and crank-pin |
| 09/29/2010 | CN101305106B Installation for the dry transformation of a material microstructure of semi-finished products |
| 09/29/2010 | CN101299990B Method of controlling oil-absorbing properties of a silicone rubber powder |
| 09/23/2010 | WO2010105644A1 Method of manufacturing a bearing ring |
| 09/23/2010 | US20100237548 Steel-sheet continuous annealing equipment and method for operating steel-sheet continuous annealing equipment |
| 09/23/2010 | US20100236669 Method For The Heat Treatment Of Castings Using An Air Quench And System For Implementing The Method |
| 09/22/2010 | EP2229461A1 An axle from a seamless tube for railroad vehicles, and a process for manufacturing an axle from a seamless steel tube for railroad vehicles |
| 09/22/2010 | EP2229460A1 Steel wire rod for bearing steel, manufacturing method of steel wire rod for bearing steel, heat treatment method of steel bearing, steel bearing and soaking method of bearing steel |
| 09/22/2010 | EP1578547B1 Method for increasing a fatigue strength of a metallic component, which is provided with at least one cavity, while subjecting it to a cyclic inner pressure load |
| 09/22/2010 | CN201587965U Inner liner of hood-type annealing furnace |
| 09/22/2010 | CN201587964U Dip-spray and quenching device for die of cold heading machine |
| 09/22/2010 | CN201587963U Solid solution heat treatment furnace and on-line quenching and annealing device thereof for medium thickness alloy plates |
| 09/22/2010 | CN201587962U Metal heat treatment controllable retarded cooling device and intelligent on-line monitoring system |
| 09/22/2010 | CN201587961U Wire annealing device |
| 09/22/2010 | CN201587960U Heating inductor for chain trough of chain wheel |
| 09/22/2010 | CN101842507A Hardfacing steel for machine structure, and steel component for machine structure |
| 09/22/2010 | CN101842500A Comb-like slit laminated yoke for a travelling-magnetic-field inductor for reheating metal strip |
| 09/22/2010 | CN101838776A High-strength and low-temperature tough steel |
| 09/22/2010 | CN101838774A High speed steel and productive technology thereof |
| 09/22/2010 | CN101838731A Correcting quenching method for elliptical or conical deformation generated by carburized thin-wall ring gear |
| 09/22/2010 | CN101838730A Reversible deformation correcting method for elliptical gear ring subjected to deformation after carburization |
| 09/22/2010 | CN101838729A Sprocket tooth part induction heat treatment process |
| 09/22/2010 | CN101838727A Heat treatment method for carbide blade base |
| 09/22/2010 | CN101838725A Spherical atomization gas quenching box |
| 09/22/2010 | CN101838724A Slab band quenching controlled cooling header capable of adjusting water flow |
| 09/22/2010 | CN101838723A Novel medium-high frequency quenching machine tool of numerical control crankshaft |
| 09/22/2010 | CN101838722A Novel medium-high frequency quenching machine tool of screw rod roller path |
| 09/22/2010 | CN101838721A Steel coil preheating method capable of preventing rusting |
| 09/22/2010 | CN101837494A Vacuum nickel-based brazing and thermal treatment process for Coriolis mass flowmeter |
| 09/22/2010 | CN101603118B Light-color quenching oil complexing agent composition and preparation method thereof |
| 09/22/2010 | CN101597674B Continuous annealing method of DC01 steel plate with low yield and high tensile strength for automobiles |
| 09/22/2010 | CN101579800B Warm/cold forging process for precision forgings with integrated long shafts and inner ball cages |
| 09/22/2010 | CN101418632B High strength high plasticity hot-rolled screw thread steel product for prestressed concrete and technique for processing thereof |
| 09/22/2010 | CN101343685B Thermal treatment method for steel plate for high-strength construction with yield strength level of 420MPa |
| 09/22/2010 | CN101319270B Thermal treatment method for improving mechanical performances of normalized steel plate |
| 09/22/2010 | CN101298114B Big thickness BFe30-1-1/35CrMo explosive welding high intensity high corrosion resistance composite board |
| 09/22/2010 | CN101289701B Annealing furnace inner cover mending machinery and method as the same |
| 09/22/2010 | CN101152706B Bainitic steel ball and production technique |
| 09/22/2010 | CN100999139B Manufacturing method of high speed rolling mould cutter block |
| 09/21/2010 | CA2443545C Method of producing stainless steels having improved corrosion resistance |