| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 02/24/2010 | CN100591778C Heated air circulation bake oven |
| 02/23/2010 | US7667158 Workpiece structure modification |
| 02/23/2010 | US7666346 Steel-member manufacturing facility, thin bearing-member and thrust bearing |
| 02/18/2010 | WO2010017810A1 Device for hardening the teeth of gear wheels by individual inductive heat treatment for each tooth, using several inductors |
| 02/18/2010 | US20100038833 Annealing apparatus |
| 02/17/2010 | CN201406457Y Oil drilling tool long and short materials heat treatment device |
| 02/17/2010 | CN201406454Y Double shaft journal and connecting thrust surface quenching induction coil |
| 02/17/2010 | CN201406453Y Lengthening device for roll quenching machine tool |
| 02/17/2010 | CN201406452Y Fixing device of middle-frequency quenching machine tool sensor |
| 02/17/2010 | CN201406451Y Double-well typed deep cooling processor |
| 02/17/2010 | CN101649380A Energy-saving annealing process for metal workpiece |
| 02/17/2010 | CN101649379A Integrated quenching process of drawn cup needle roller bearing |
| 02/17/2010 | CN101649378A Method for low-temperature tempering heat treatment by using steel plate continuous heat-treating furnace |
| 02/17/2010 | CN101649377A Hardness control method in steel roller welding process of steel coil decoiler |
| 02/17/2010 | CN101649376A Deformation heat treatment method of petroleum drill pipe friction welding joint |
| 02/17/2010 | CN101649375A Laser honing technology for cylinder liner of supercharger engine of automobile |
| 02/17/2010 | CN100590208C 42CrMoE heat treatment technique |
| 02/17/2010 | CN100590207C Technique for oil quenching casting sphere made from high chrome alloy |
| 02/16/2010 | US7662247 Microalloying by heating the iron alloy melt to about 1600-1610 degrees C., afterslagging and deoxidizing, and adding fine particle of iron/titanium, iron/rareearth and iron/boron particles packed in a thin plastic bag into the ladle;cost efficiency; free of molybdenum and nickel; pyrometallurgy |
| 02/16/2010 | US7662245 Steering rack comprising steel bar with rack teeth |
| 02/16/2010 | US7662244 Martensitic stainless steel and method for manufacturing same |
| 02/16/2010 | CA2528746C Steel and component of structural equipment for use in a hydrogen gas environment, and a method for the manufacture thereof |
| 02/16/2010 | CA2398360C Method and system for prediction of precipitation kinetics in precipitation-hardenable aluminum alloys |
| 02/11/2010 | WO2010016566A1 Heating device and heating method |
| 02/11/2010 | US20100032059 Process to manufacture shaft and guide pins as used for planetary systems |
| 02/11/2010 | DE102008036490A1 Process for high pressure gas quenching, comprises introducing hot workpiece into high pressure gas quenching chamber and quenching workpiece in cooling gas stream by circulating cooling gases in high pressure gas quenching chamber |
| 02/10/2010 | EP2151508A1 Process to manufacture shaft and guide pins as used for planetary systems |
| 02/10/2010 | CN201400706Y Device for carrying out ultra-low temperature and heat treatments in same tank |
| 02/10/2010 | CN201400703Y Annealing pipe water-removing device |
| 02/10/2010 | CN201400700Y Controllable atmosphere converter |
| 02/10/2010 | CN201400699Y Oscillating type lifting material receiving device used in steel pipe quenching machine |
| 02/10/2010 | CN201400698Y Elevating fall prevention frame |
| 02/10/2010 | CN201400697Y Quenching device of cam sheet |
| 02/10/2010 | CN201400696Y Quenching basket |
| 02/10/2010 | CN201400695Y Quenching rotator |
| 02/10/2010 | CN201400694Y Quenching test bar for measuring through hardening depth of aluminum alloy material |
| 02/10/2010 | CN201400693Y Steel shot cooler |
| 02/10/2010 | CN201399486Y Rapid cooling device for hot-rolled narrow strip steels |
| 02/10/2010 | CN101643826A Gas-bath slow-cooling process and device for processing best excellent steel sheets |
| 02/10/2010 | CN101643825A Medium chromium multielement alloy cast ball and cast segment oil quenching heat treatment technique |
| 02/10/2010 | CN101643824A Technology method for pulse laser etching cobalt melting and fusing enhancing hard alloy |
| 02/10/2010 | CN101643823A Laser hardening for magnet yoke of electromagnetic clutch of machine tool |
| 02/10/2010 | CN100588722C Surface nano method for silicon-containing high-carbon steel 9SiCr |
| 02/09/2010 | US7658883 Interstitially strengthened high carbon and high nitrogen austenitic alloys, oilfield apparatus comprising same, and methods of making and using same |
| 02/04/2010 | WO2010014269A1 Thermal mechanical treatment of ferrous alloys, and related alloys and articles |
| 02/04/2010 | WO2010012270A1 Working method and device for an industrial furnace such as a multichamber vacuum furnace, in particular a two-chamber vacuum furnace for the heat treatment of charges of metallic workpieces |
| 02/04/2010 | US20100026048 Method of thermomechanical shaping a final product with very high strength and a product produced thereby |
| 02/04/2010 | US20100024929 Method for the thermomechanical treatment of seamless rings produced on radial-axial ring rolling machines |
| 02/04/2010 | US20100024928 Method for producing flat products made of aluminum alloys |
| 02/04/2010 | US20100024505 Device and method for cooling hot strip |
| 02/04/2010 | DE102008034596A1 Hardened sheet steel component producing method, involves heating sheet steel, and locally adjusting cooling process of sheet steel by selectively intervening heat transmission from sheet steel to molding tools |
| 02/04/2010 | CA2732188A1 Bainite steel and methods of manufacture thereof |
| 02/03/2010 | EP2149419A1 Remaining stress improving apparatus for tube and method for adjusting the remaining stress improving apparatus |
| 02/03/2010 | EP2148935A2 Method and equipment for heating a metal strip, in particular for annealing |
| 02/03/2010 | CN201395619Y Barrel-type annealing-furnace conveying roller |
| 02/03/2010 | CN201395617Y Uniform heating auxiliary device for container whole heat treatment |
| 02/03/2010 | CN201395616Y Composite heat recycling type continuous equal-temperature spheroids annealing furnace |
| 02/03/2010 | CN201395615Y Cooling device of roller bottom type continuous annealing furnace |
| 02/03/2010 | CN201395614Y Digital control laser thermal treatment head |
| 02/03/2010 | CN101638714A Numerical control 6-station automatic sizing quenching press |
| 02/03/2010 | CN101638713A Device capable of using heat treatment waste heat for blackening process |
| 02/03/2010 | CN100588305C Method for forming plasma |
| 02/03/2010 | CN100587082C Photo-thermal conversion coating for laser surface modification |
| 02/03/2010 | CN100587081C Carbon material for hearth roll, hearth roll, and method for using hearth roll |
| 02/02/2010 | US7655100 Iron, boron nitrides, carbides; solid solutions |
| 02/02/2010 | US7653995 Weld repair of superalloy materials |
| 02/02/2010 | CA2459471C Method of continuously casting electrical steel strip with controlled spray cooling |
| 02/02/2010 | CA2298311C Device for exchanging heat with a flat product |
| 01/28/2010 | WO2010010636A1 Exhaust poppet valve and solution treatment method of poppet valve |
| 01/28/2010 | US20100023154 Compensation techniques for substrate heating processes |
| 01/28/2010 | US20100022989 Steerable catheter and method of making the same |
| 01/28/2010 | US20100019423 Method for the monobloc sizing for the tempering casings and device for implementing the method |
| 01/28/2010 | US20100018610 Method for producing nanocrystalline magnet cores, and device for carrying out said method |
| 01/28/2010 | DE102009034387A1 Titanblechglühverfahren Titanblechglühverfahren |
| 01/27/2010 | EP2148551A1 Inductive heating apparatus comprising a resonant circuit with simultaneous dual frequency current output and a single inverter circuit with silicon carbide |
| 01/27/2010 | EP2147983A1 Inductive heating converter comprising a resonant circuit with simultaneous multi-frequency current output and at least two inverters |
| 01/27/2010 | CN201390774Y Small-sized wire rod coil loading device |
| 01/27/2010 | CN201390773Y Vertical-type brightness furnace without generating graphite roll marks |
| 01/27/2010 | CN201390771Y Thermal treatment furnace specially used for collection tank |
| 01/27/2010 | CN201390770Y High-strength quenching spray nozzle |
| 01/27/2010 | CN201390769Y Middle frequency hardening machine tool tailstock |
| 01/27/2010 | CN201390768Y Quenching machine receiving lifting platform capable of rotating automatically |
| 01/27/2010 | CN201390767Y Water charging system at compression wheel on surface of steel pipe |
| 01/27/2010 | CN201390766Y Annealing heat treatment device for super-huge roller chain gate leaves and integral gate slots |
| 01/27/2010 | CN101636511A Method for the heat treatment of extended steel products |
| 01/27/2010 | CN101633975A Heat treatment method of RE-Fe-B part hydrogen storage alloy |
| 01/27/2010 | CN100585006C Clear-coated stainless steel sheet excelling in design and process for producing the material |
| 01/27/2010 | CN100584986C Method of heat treating an aluminium alloy member and apparatus therefor |
| 01/27/2010 | CN100584985C Alloy steel for gear wheel and preparation method thereof |
| 01/27/2010 | CN100584984C Alloyed hot galvanizing bake hardening steel plate and method for manufacturing same |
| 01/27/2010 | CN100584982C Boron-containing high-chromium abrasion-proof cast iron and preparation method thereof |
| 01/27/2010 | CN100584981C Low-alloy bainite ductile iron abrading-ball |
| 01/27/2010 | CN100584962C Bainite auctile iron isothermal quenching technology |
| 01/27/2010 | CN100584537C Impact wrench anvil and method of forming an impact wrench anvil |
| 01/27/2010 | CN100584522C Cold forming process of solid stabilizing rod |
| 01/27/2010 | CN100584517C Production process of welding structure carburizing and quenching gear |
| 01/26/2010 | CA2349321C Process and device for hardening a rail |
| 01/21/2010 | WO2010008732A2 Pre-process stress loading of components for post-process warp control |
| 01/21/2010 | WO2010007679A1 Arrangement structure of guide chip for high-frequency induction heating coil |
| 01/21/2010 | WO2010007678A1 Structure of guide chip for high-frequency induction heating coil |