| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 12/06/2012 | WO2012163332A1 Method and device for producing oxidized metal strips |
| 12/06/2012 | US20120306130 Cooling method and cooling device of hot-rolled steel strip |
| 12/06/2012 | DE102008027460B9 Verfahren zum Herstellen eines Stahlblechbauteils mit Bereichen unterschiedlicher Duktilität A method for manufacturing a steel sheet member having regions of different ductility |
| 12/06/2012 | DE102008022401B4 Verfahren zum Herstellen eines Stahlformteils mit einem überwiegend bainitischen Gefüge A method for producing a steel mold part with a predominantly bainitic microstructure |
| 12/06/2012 | CA2835809A1 Method for manufacturing high strength glavanized steel sheet having ex cellent stability of mechanical properties, formability, and coating appearance |
| 12/05/2012 | EP2530416A1 Procédé de commande de pompes à vide dans une installation de four industriel |
| 12/05/2012 | EP2530178A1 Case-hardened steel and carburized material |
| 12/05/2012 | EP2529038A2 Process for the heat treatment of metal strip material, and strip material produced in that way |
| 12/05/2012 | CN202582223U Heat energy recycling device used for heat treating furnace |
| 12/05/2012 | CN202576572U Axle-shaped gear cemented quenching rack |
| 12/05/2012 | CN202576536U Annealing cooling system |
| 12/05/2012 | CN202576512U Furnace door of hot-rolling push-rod furnace |
| 12/05/2012 | CN202576509U Hearth roll with gear locking mechanism |
| 12/05/2012 | CN202576504U Double-hardness quenching sensor of bearing |
| 12/05/2012 | CN202576503U Heavy-duty car gear class part clamping heat treatment tool |
| 12/05/2012 | CN202576499U High-quality heat treating machine |
| 12/05/2012 | CN202576493U Material tool for heat treatment of shaft part |
| 12/05/2012 | CN202576491U Carbon powder quantitative addition device |
| 12/05/2012 | CN202576490U Diaphragm spring pressure quenching mould |
| 12/05/2012 | CN202576489U Big thick wall arc-shaped workpiece heat treatment spray device |
| 12/05/2012 | CN202576488U Novel quenching appliance for cylindrical workpiece |
| 12/05/2012 | CN202576487U Quenching blanking mechanism |
| 12/05/2012 | CN202576486U Corundum carrier roller |
| 12/05/2012 | CN202576485U Rack rail wheel single-tooth quenching inductor |
| 12/05/2012 | CN202576484U High-frequency quenching power source control system of cover valve seat of iron casting cylinder |
| 12/05/2012 | CN202576483U Middle-frequency quenching sensor of small-sized pivoting support |
| 12/05/2012 | CN202576482U Rotating table |
| 12/05/2012 | CN202576481U Furnace door lifting appliance for car-type heat treating furnace |
| 12/05/2012 | CN202576480U Novel furnace framework for car-type heat treating furnace |
| 12/05/2012 | CN202576479U Annealing furnace cover fastening device |
| 12/05/2012 | CN202570850U Spool for circle-pulled-to-flat unit |
| 12/05/2012 | CN202570779U Continuous annealing double-end double-coiling drawbench |
| 12/05/2012 | CN102812145A High-strength steel and high-strength bolt with excellent resistance to delayed fracture, and manufacturing method therefor |
| 12/05/2012 | CN102812134A System And Method For Treating An Amorphous Alloy Ribbon |
| 12/05/2012 | CN102808188A Gas carburizing and quenching technology for annular gears of transmissions |
| 12/05/2012 | CN102808135A Rolled steel for hot working die including in-die bent water channel and thermal treatment method thereof |
| 12/05/2012 | CN102808134A Alloy steel lining plate special for large/medium-sized ball mill and production process for alloy steel lining plate |
| 12/05/2012 | CN102808133A Abrasion-resistant low alloy cast steel |
| 12/05/2012 | CN102808130A Niobium microalloying Mn-B series super-strength steel plate and heat treatment process thereof |
| 12/05/2012 | CN102808129A Niobium microalloyed Si-Mn-B series thermoformed steel plate and thermal treatment process for same |
| 12/05/2012 | CN102808103A Method for preparing rare-earth compound with NaZn13 structure by solid state diffusion |
| 12/05/2012 | CN102808077A Thin-wall gear ring type part quenching method for keeping accuracy level |
| 12/05/2012 | CN102808076A Annealing device |
| 12/05/2012 | CN102808072A Cooling system of vacuum double-chamber oil and gas quenching furnace |
| 12/05/2012 | CN102808071A Oil cooling system for double-chamber vacuum oil quenching furnace |
| 12/05/2012 | CN102808070A Constant-temperature quenching equipment and heat treatment method using constant-temperature quenching equipment |
| 12/05/2012 | CN102808069A Oversize heat recovery-type push disc-type wire continuously and isothermally-balling and annealing furnace |
| 12/05/2012 | CN102808068A Process for performing continuous annealing on low-carbon aluminum killed steel belt |
| 12/05/2012 | CN102806291A Wind-powered main shaft forging method |
| 12/05/2012 | CN102806259A Thermoforming method for improving strength and plasticity of vehicle part |
| 12/05/2012 | CN102392192B Steel plate with thickness of 80mm and low compression ratio for ocean engineering and manufacturing method thereof |
| 12/05/2012 | CN102367504B Tempering device and tempering method of quenched part |
| 12/05/2012 | CN102363859B Method for producing wear-resisting steel plate |
| 12/05/2012 | CN102296236B Wear resistant steel ball and segment specially used in mines |
| 12/05/2012 | CN102251081B Quenching device for tooth surface of chain wheel |
| 12/05/2012 | CN102134686B Low-alloy wheel steel for railway wagons and wheel preparation method thereof |
| 12/05/2012 | CN102121084B Low bainite cast steel shots and surface strengthening device thereof |
| 12/05/2012 | CN102080151B Pit type Nb3Sn coil thermal treatment furnace system under conditions of vacuum and aeration protection |
| 12/05/2012 | CN102031358B Thermal treatment method for castings |
| 12/05/2012 | CN102021302B Thermal treatment method of high-carbon steel railway wheel |
| 12/05/2012 | CN101970696B Single chamber vacuum heat treating furnace |
| 12/04/2012 | US8323560 welding steel sheets to form a conduit, then heating the conduit to a transformation temperature, induction hardening and tempering the conduit, used as lightweight reinforcements in doors and bumpers, having shock absorptivity, impact and tensile strength |
| 12/04/2012 | CA2514736C Method of producing a cold-rolled band of dual-phase steel with a ferritic/martensitic structure and band thus obtained |
| 11/29/2012 | WO2012161636A1 A method and an apparatus for reducing the heat loss in a heated workpiece |
| 11/29/2012 | WO2012161635A1 Method for heat treating a steel component |
| 11/29/2012 | WO2012161207A1 Reheating method for rail weld parts |
| 11/29/2012 | WO2012160903A1 Drive plate and manufacturing method thereof |
| 11/29/2012 | WO2012160697A1 Method of forming header extension, and vehicle structure |
| 11/29/2012 | WO2012160676A1 Steel with constant rolling fatigue life |
| 11/29/2012 | WO2012160335A1 Apparatus and method for writing a pattern in a substrate |
| 11/29/2012 | WO2012159733A1 Annealing device and method for annealing plates of metal |
| 11/29/2012 | DE102012007213A1 Producing aluminum molded part useful for producing vehicle body part, comprises heating aluminum plate to be molded, preferably aluminum sheet to solution annealing temperature and molding and simultaneously quenching heated aluminum plate |
| 11/29/2012 | DE102011103269A1 Glühvorrichtunng und Verfahren zum Glühen von Metallplatten Glühvorrichtunng and method for annealing metal plates |
| 11/29/2012 | CA2836260A1 Method of reheating rail weld zone |
| 11/29/2012 | CA2834768A1 A method and an apparatus for reducing the heat loss in a heated workpiece |
| 11/28/2012 | EP2527156A1 Apparatus and method for writing a pattern in a substrate |
| 11/28/2012 | CN202561754U Flat-flame burning nozzle with automatic-ignition and flame-detection device |
| 11/28/2012 | CN202558915U Aging thermal treatment device for copper alloy under DC (Direct Current) |
| 11/28/2012 | CN202558893U Mobile constant velocity universal joint middle-frequency induction hardening inductor |
| 11/28/2012 | CN202558892U Inner hole quenching sensor for induction quenching equipment |
| 11/28/2012 | CN202558891U Multi-azimuth injection rapid cooling device of large hot forging shaft part |
| 11/28/2012 | CN202558890U Automated high-frequency quenching device |
| 11/28/2012 | CN202558889U Improved quenching treatment device |
| 11/28/2012 | CN202558888U Quenching machine special for guide plate |
| 11/28/2012 | CN202558887U Stepped feeding mechanism of induction heat penetration equipment |
| 11/28/2012 | CN202558886U Workpiece autorotation speed adjusting device for inducing quenching and tempering production line |
| 11/28/2012 | CN202558885U Annealing machine |
| 11/28/2012 | CN202558884U Quenching induction production line buffer feed mechanism |
| 11/28/2012 | CN202558241U Bar stock reversing mechanism of induction through heating equipment |
| 11/28/2012 | CN102803539A Gas-carburized steel component with excellent surface fatigue strength, gas-carburizing steel material, and process for producing gas-carburized steel component |
| 11/28/2012 | CN102803522A Method for producing harmonic drive gear base material |
| 11/28/2012 | CN102803520A Method and apparatus for cooling material by atomised spray |
| 11/28/2012 | CN102803519A Method for producing a hot press cured component, use of a steel product for producing a hot press cured component, and hot press cured component |
| 11/28/2012 | CN102797015A Composite treatment method of H13 steel surface diffusion layer without white bright layer |
| 11/28/2012 | CN102796968A cast steel material for bridge high creep resistance and high toughness at low temperature and preparation method thereof |
| 11/28/2012 | CN102796965A Rolling mill support roll steel and heat treatment technology thereof |
| 11/28/2012 | CN102796958A Alloy designed steel mechanical blade for preventing network carbide on CrWMn steel from being separated out |
| 11/28/2012 | CN102796953A Niobium-lanthanum microalloyed Si-Mn thermoformed steel plate and heat threatment technique thereof |
| 11/28/2012 | CN102796857A Internal-hole high-frequency quenching induction coil |
| 11/28/2012 | CN102796856A Quenching device for controlling induction hardening flux leakage of workpiece groove and quenching method for quenching device |