| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 04/28/2011 | CA2779225A1 Process for continuous production of ductile microwires from glass forming systems |
| 04/28/2011 | CA2775348A1 High hardness, high toughness iron-base alloys and methods for making same |
| 04/27/2011 | EP2314729A1 Dual-phase type high-strength steel sheets having high impact energy absorption properties and a method of producing the same |
| 04/27/2011 | EP2314722A1 Production equipment and production method for precipitation hardened alloy strip |
| 04/27/2011 | EP2313533A2 Retort furnace for heat treating metal workpieces |
| 04/27/2011 | EP2313532A1 Thermal mechanical treatment of ferrous alloys, and related alloys and articles |
| 04/27/2011 | EP1755801B1 A device and a method for shaping and quenching a beam |
| 04/27/2011 | CN201809415U Device for detecting cleanliness of furnace gas of continuous annealing furnace |
| 04/27/2011 | CN201809414U Air exhaust system for aluminum annealing furnace |
| 04/27/2011 | CN201809413U Error correction control device for thermal tension roller of L-shaped annealing furnace |
| 04/27/2011 | CN201809412U Heat treatment device for high-strength nail making wires |
| 04/27/2011 | CN201809411U Large-sized plate vacuum annealing furnace multi-temperature zone temperature uniformity control system |
| 04/27/2011 | CN201809410U Automatic charging device for nonferrous metal tube annealing furnace |
| 04/27/2011 | CN201809409U Heat treatment production line for quenching and tempering rail head tread in steel rail offline or online manner |
| 04/27/2011 | CN201809408U Diaphragm spring finger tip quenching mould |
| 04/27/2011 | CN201809407U Water cooling roller of normalizing furnace |
| 04/27/2011 | CN201809406U Vertical quenching mechanism |
| 04/27/2011 | CN201809405U Aging furnace for aircraft skin |
| 04/27/2011 | CN201809404U Spray quenching device of steel cylinder |
| 04/27/2011 | CN201809397U Waste gas heating annealing furnace |
| 04/27/2011 | CN201809396U Quenching sensor for double-rim track wheels |
| 04/27/2011 | CN1926249B Double chamber type heat treatment furnace |
| 04/27/2011 | CN102037780A Inductive heating using permanent magnets for hardening of gear teeth and components alike |
| 04/27/2011 | CN102033523A Strip steel quality forecasting, furnace condition early-warning and fault diagnosis method based on partial least square |
| 04/27/2011 | CN102031474A Method for producing high-strength hot dipped galvanized steel strips |
| 04/27/2011 | CN102031360A Steel belt direct electrical continuous heater of pressure plate electrode |
| 04/27/2011 | CN102031359A Total hydrogen heat treatment furnace for nuclear-class U-shaped pipes |
| 04/27/2011 | CN102031358A Thermal treatment method for castings |
| 04/27/2011 | CN102031357A Novel arc spiral roller furnace |
| 04/27/2011 | CN102031348A Method for eliminating stress of hot-rolled steel plate |
| 04/27/2011 | CN102031347A Annealing device and annealing method for improving impedance effect of soft magnetic material |
| 04/27/2011 | CN102031346A Thermal treatment process of upper die of stamping die |
| 04/27/2011 | CN102031345A Process for manufacturing rounding steel shots for clearing and de-rusting by using special steel wires for tyres |
| 04/27/2011 | CN102029653A Method for regenerating diamond circular saw blade substrate |
| 04/27/2011 | CN102029347A Manufacturing method of gear shaft forge piece for offshore drilling platform |
| 04/27/2011 | CN101716594B Production process of precise stainless steel band for vehicle sealing pad |
| 04/27/2011 | CN101705349B Heat and vibration composite aging treatment method adopting residual heat of casting billets of cast iron rolls |
| 04/27/2011 | CN101646795B Pearlite steel rail of high internal hardness type excellent in wear resistance and fatigue failure resistance and process for production of the same |
| 04/27/2011 | CN101550481B Device for loading small-dimension wire coil |
| 04/27/2011 | CN101537443B Deep processing treatment system for hot rolling strip steel |
| 04/27/2011 | CN101423996B Magnetic field fabric as well as preparation method and application thereof |
| 04/27/2011 | CN101374968B High-strength steel sheet having excellent workability |
| 04/26/2011 | CA2615962C Continuous heat treatment furnace and utilizing the same, metal pipe and method of heat treatment |
| 04/21/2011 | WO2011045515A1 Heat treatment of martensitic stainless steel after remelting under a layer of slag |
| 04/21/2011 | DE102009049678B3 Continuous furnace for a high temperature heating of an insulated metallic element or a metallic cord, comprises a combustion chamber and a chimney for discharging of hot exhaust gas |
| 04/21/2011 | CA2776851A1 Heat treatment of martensitic stainless steel after remelting under a layer of slag |
| 04/20/2011 | EP2312010A1 Steel sheet and method for manufacturing the same |
| 04/20/2011 | EP2312009A1 Steel sheet and method for manufacturing the same |
| 04/20/2011 | EP2312008A1 High-strength steels having high impact energy absorption properties and a method for producing the same |
| 04/20/2011 | EP2312007A1 High-strength cold-rolled steel sheet excellent in weldability and process for production of same |
| 04/20/2011 | EP2312005A1 Aluminum-plated steel sheet for hot pressing with rapid heating, process for producing same, and method of hot-pressing same with rapid heating |
| 04/20/2011 | EP2310544A1 A method for manufacturing a steel component, a weld seam, a welded steel component, and a bearing component |
| 04/20/2011 | EP2310543A1 Method for hardening at least one raceway of a bearing ring for a large-diameter rolling bearing |
| 04/20/2011 | EP2310542A1 Device for hardening the teeth of gear wheels by individual inductive heat treatment for each tooth, using several inductors |
| 04/20/2011 | EP1669468B1 Steel product for induction hardening, induction-hardened member using the same, and methods for producing them |
| 04/20/2011 | EP1469093B1 Method for producing a heat-resistant steel spring |
| 04/20/2011 | CN201801603U Mechanical transmission device for forehearth tension roller |
| 04/20/2011 | CN201801560U Wire pressing roller with temperature measuring device |
| 04/20/2011 | CN201801559U Wire pressing roller of constant voltage type heat treatment furnace |
| 04/20/2011 | CN201801558U Heat insulation device for power-on heat treatment |
| 04/20/2011 | CN201801557U Hood-type annealing furnace |
| 04/20/2011 | CN201801556U Pipeline-type heat treatment device used for steel mesh framework |
| 04/20/2011 | CN201801555U Heating device of continuous destressing tempering furnace |
| 04/20/2011 | CN201801554U Continuous car lamp destressing tempering furnace |
| 04/20/2011 | CN201801553U Finned tube type slow-cooling device for box multi-purpose furnace |
| 04/20/2011 | CN201801552U Special device for swing bolster |
| 04/20/2011 | CN1847438B Steel wire for cold-formed spring excellent in corrosion resistance and method for producing the same |
| 04/20/2011 | CN102027146A Ferritic stainless steel |
| 04/20/2011 | CN102027142A Device for blowing a gas on the surface of a material in the form of a running strip |
| 04/20/2011 | CN102027141A Device for heating and method for heating rotationally symmetrical component |
| 04/20/2011 | CN102022916A Novel furnace door structure of walking beam heating furnace |
| 04/20/2011 | CN102021509A Annealing method for cold rolling titanium coil |
| 04/20/2011 | CN102021481A Microalloyed bainite rail and thermal treatment method thereof |
| 04/20/2011 | CN102021472A Production method for continuous annealing process high strength and plasticity product automobile steel plate |
| 04/20/2011 | CN102021313A Method for enhancing control precision of tracking system and ensuring quenching performance stability of moderately thick plates |
| 04/20/2011 | CN102021312A Scheduling method of hot rolling heating furnace energy based on heat balance |
| 04/20/2011 | CN102021311A Bead wire superaudio induction heating and tempering device |
| 04/20/2011 | CN102021310A Heating and tempering device of tire ring steel wire |
| 04/20/2011 | CN102021309A Installation method of fiber roll of annealing furnace |
| 04/20/2011 | CN102021308A Method for detecting oil content in gas in continuous annealing furnace on line |
| 04/20/2011 | CN102021307A Thermal-treatment annular orientation technology of annular magnetic steel |
| 04/20/2011 | CN102021306A Clamping fixture device used for heat treatment of gear ring |
| 04/20/2011 | CN102021305A Super-conventional performance heat treatment process for large axial forgings of carbon steel |
| 04/20/2011 | CN102021304A Heat processing technology for super-standard large-section pressure vessel tube plate |
| 04/20/2011 | CN102021303A Pipe inner combustion type nodular casting iron pipe conformal furnace shell annealing furnace |
| 04/20/2011 | CN102021302A Thermal treatment method of high-carbon steel railway wheel |
| 04/20/2011 | CN102021301A Thermal treatment method of high-carbon steel railway wheels |
| 04/20/2011 | CN102021300A Grain refinement heat treatment process of large impeller material forging |
| 04/20/2011 | CN102021299A Device for utilizing residual heat of gas flue in hood-type annealing furnace |
| 04/20/2011 | CN102021298A Stabilization treatment method for magnetic property of permanent magnetic part |
| 04/20/2011 | CN102021297A Aircraft skin aging furnace |
| 04/20/2011 | CN102021277A Annealing furnace loop integrated framework hoisting method |
| 04/20/2011 | CN102019534A Manufacturing method of valve part |
| 04/20/2011 | CN102019283A Degreasing method for preventing intercrystalline corrosion of aeronautic stainless pipe |
| 04/20/2011 | CN101768659B Heat treatment technology of ultra-long mandrel |
| 04/20/2011 | CN101671768B Method for correcting quenching deformation out-of-tolerance of bearing ring of wind driven generator |
| 04/20/2011 | CN101649378B Method for low-temperature tempering heat treatment by using steel plate continuous heat-treating furnace |
| 04/20/2011 | CN101643832B Method for preventing circularity over tolerance of large gear ring after heat treatment |
| 04/20/2011 | CN101605915B Drain apparatus |
| 04/20/2011 | CN101528965B Steel wire for spring excellent in fatigue property and drawing property |