| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 12/25/2013 | CN103468890A Air-cooling normalization temperature-lowering device |
| 12/25/2013 | CN103468889A After-forged heat treatment technique of 9Cr2MoV chilled roll steel |
| 12/25/2013 | CN103468888A Annealing device |
| 12/25/2013 | CN103468887A Heat treatment method of alloy steel after forging |
| 12/25/2013 | CN103468886A Concrete pump truck conveying cylinder laser quenching hardening treatment technology |
| 12/25/2013 | CN103468885A Controllable heat pipe type energy-saving heat treatment furnace |
| 12/25/2013 | CN103468884A Efficient and energy-saving trolley type fuel gas thermal treatment furnace |
| 12/25/2013 | CN103468883A Fixing device on placing box |
| 12/25/2013 | CN103468882A Placing box |
| 12/25/2013 | CN103464999A Method of producing integrated long blade |
| 12/25/2013 | CN103074478B 'Two-time temperature control and one-time time control quenching' heat treatment process for cast alloy valve seat rings |
| 12/25/2013 | CN102876859B Spheroidizing annealing process of screw wire rod |
| 12/25/2013 | CN102766792B Preparation method of binding rare-earth iron giant magnetostrictive material |
| 12/25/2013 | CN102732711B Method for removing intractable mixed crystal in medium-carbon low-alloy structural steel |
| 12/25/2013 | CN102719643B Heat processing technology of high-carbon carbon steel coil rod for steel wire rope |
| 12/25/2013 | CN102691006B High tempering parameter SR embrittlement resistant cryogenic nickel steel and manufacture method thereof |
| 12/25/2013 | CN102672186B Manufacturing process for gear ring in powder metallurgy |
| 12/25/2013 | CN102199699B Method for producing motor vehicle component, and body component |
| 12/25/2013 | CN102027142B Device for blowing gas on surface of material in form of running strip |
| 12/24/2013 | US8613811 Graphene-coated member and process for producing same |
| 12/24/2013 | DE112012000408T5 Stahlzahnrad und Herstellungsverfahren dafür Steel gear and manufacturing method thereof |
| 12/24/2013 | DE102012016603B3 Fixtur zum Härten eines einzelnen ringförmigen Werkstücks Fixture for curing a single annular workpiece |
| 12/19/2013 | WO2013188100A1 Microtreatment and microstructure of carbide containing iron-based alloy |
| 12/19/2013 | WO2013188001A1 High-strength corrosion-resistant tubing for oil and gas completion and drilling applications, and process for manufacturing thereof |
| 12/19/2013 | WO2013187213A1 Stabilizer manufacturing method and heating device |
| 12/19/2013 | WO2013187042A1 Method of continuous annealing of steel strip, and method of manufacturing hot-dip galvanized steel strip |
| 12/19/2013 | WO2013187039A1 Method of continuous annealing of steel strip, device for continuous annealing of steel strip, method of manufacturing hot-dip galvanized steel strip, and device for manufacturing hot-dip galvanized steel strip |
| 12/19/2013 | WO2013186137A1 Method and system for thermal treatments of rails |
| 12/19/2013 | US20130333811 Method and apparatus for treating a steel article |
| 12/19/2013 | DE102012105163A1 Gravurwalzen-Herstellungsverfahren sowie Gravurwalze Gravure roll manufacturing process and gravure roll |
| 12/19/2013 | CA2877175A1 Microtreatment and microstructure of carbide containing iron-based alloy |
| 12/18/2013 | EP2674505A2 Gravure roll manufacturing method, and gravure roll |
| 12/18/2013 | EP2674504A1 Method and system for thermal treatments of rails |
| 12/18/2013 | EP1770183B1 Method of producing members using a weldable steel of high strenght and high toughness. |
| 12/18/2013 | CN203346463U Aluminum profile quenching device |
| 12/18/2013 | CN203346462U Aluminum profile quenching device |
| 12/18/2013 | CN203346461U Online water-cooling, air-cooling and fog-cooling quenching device for aluminum profile |
| 12/18/2013 | CN203346446U Roll shaft lifting tool for lifting |
| 12/18/2013 | CN203346445U Water inlet device of tunnel type steel pipe quenching equipment |
| 12/18/2013 | CN203346443U Rapid cooling device for continuous heat treatment of duplex stainless steel |
| 12/18/2013 | CN203346441U Fast quenching device at end part of ledge of middle trough of scrapper |
| 12/18/2013 | CN203346439U Rapid water-cooling quenching experimental device |
| 12/18/2013 | CN203346438U Quenching machine tool |
| 12/18/2013 | CN203346437U Online united quenching device for aluminum profile |
| 12/18/2013 | CN203346436U Air cooling device for quenching |
| 12/18/2013 | CN203346435U Quenching experiment device capable of controlling air speed and air volume |
| 12/18/2013 | CN203346434U Casting normalizing spray cooler |
| 12/18/2013 | CN203346433U Control device of annealing furnace in welded pipe production line |
| 12/18/2013 | CN203346432U Annealing device before product forming |
| 12/18/2013 | CN203346431U Cylinder mounting structure of box type multi-purpose furnace |
| 12/18/2013 | CN103459651A 等离子处理装置 The plasma processing apparatus |
| 12/18/2013 | CN103459617A Method for producing a hardened, coated metal component |
| 12/18/2013 | CN103459616A Method of heat treating a coated metal strip and heat treated coated metal strip |
| 12/18/2013 | CN103456479A Method for manufacturing high-temperature-resistant metal soft magnetic powder core |
| 12/18/2013 | CN103456452A Preparation method of low-dysprosium corrosion-resistant sintering neodymium iron boron |
| 12/18/2013 | CN103453304A High-temperature-resistant seamless deformed steel and preparation technology thereof |
| 12/18/2013 | CN103453303A Tensile type seamless deformed steel and preparation technology thereof |
| 12/18/2013 | CN103451736A Method for reducing recrystallization of single crystal superalloy investment castings |
| 12/18/2013 | CN103451574A Cast steel material for fixed mast of forklift and preparation method thereof |
| 12/18/2013 | CN103451565A Low-temperature-resistant seamless deformed steel and preparation process thereof |
| 12/18/2013 | CN103451556A Special rare-earth processed bainite-martensite steel for railway steel rails and manufacturing method of steel |
| 12/18/2013 | CN103451506A Preparation method of magnesium-iron alloy |
| 12/18/2013 | CN103451407A Bracket, device and method for batched heat treatment of steel bars |
| 12/18/2013 | CN103451406A Die press quenching device for fully quenching steel ferrules |
| 12/18/2013 | CN103451402A Heat treatment method of large shaft part |
| 12/18/2013 | CN103451399A Annealing process for producing cold rolling non-oriented electrical steel |
| 12/18/2013 | CN103451397A Carbon steel annealing process |
| 12/18/2013 | CN103451393A Heat treatment process of austempered ductile iron grinding balls |
| 12/18/2013 | CN103451392A Pressure quenching mould for inner ring gear |
| 12/18/2013 | CN103451391A Quenching device utilizing forging residual heat |
| 12/18/2013 | CN103451390A Wear-resistant steel ball quenching auxiliary device |
| 12/18/2013 | CN103451389A Quenching device based on axle shaft sleeve |
| 12/18/2013 | CN103451388A 立式淬火炉 Vertical quench furnace |
| 12/18/2013 | CN103451387A Aluminum alloy quenching furnace |
| 12/18/2013 | CN103451386A Novel quenching apparatus of cylindrical workpiece |
| 12/18/2013 | CN103451385A Tempering technology of ring die of 42CrMo steel pellet mill |
| 12/18/2013 | CN103451384A Cam induction heating composite coil |
| 12/18/2013 | CN103451383A Laser quenching technology of granulating ring mould |
| 12/18/2013 | CN103451382A Forklift mechanism of stainless steel solid melting furnace |
| 12/18/2013 | CN103451381A Thermal treatment process for low alloy structural steel and low carbon structural steel |
| 12/18/2013 | CN103451380A Lifting and arranging method used for enabling aluminum-strip annealing material coils to get in and out of high rack warehouse |
| 12/18/2013 | CN103451379A Special hoisting arrangement structure for allowing aluminum strip annealing coil to enter or exit high rack warehouse |
| 12/18/2013 | CN102952932B Mass transfer exchanger |
| 12/18/2013 | CN102899469B Heat-treatment method of high-chromium wear-resistant white cast iron Cr28 |
| 12/18/2013 | CN102719629B Water-soluble polyether hardening agent |
| 12/18/2013 | CN102676751B Laser strengthening process of sliding plate |
| 12/18/2013 | CN102534134B Bainite isothermal quenching thermal treatment process method for medium-carbon bearing steel |
| 12/18/2013 | CN102409151B Automobile drive axle ring gear heat treatment process |
| 12/18/2013 | CN102357778B Manufacturing method of pulling straightening roller |
| 12/18/2013 | CN102304610B Use method of dispersion rod of tilting drum type resistance rotary furnace for discharged quenching material |
| 12/17/2013 | US8608875 Sponge-iron alloying |
| 12/17/2013 | CA2553586C Oil well seamless steel pipe excellent in resistance to sulfide stress cracking and method for production thereof |
| 12/12/2013 | WO2013182752A1 Method and system for providing temperature distribution into an object |
| 12/11/2013 | EP2671955A1 Maraging steel |
| 12/11/2013 | EP2671035A1 Method for controlling a protective gas atmosphere in a protective gas chamber for the treatment of a metal strip |
| 12/11/2013 | CN203333726U Device for controlling annealing dew point of semi-processed electrical steel |
| 12/11/2013 | CN203333721U Regulation device for dewing points in atmosphere of continuous annealing unit |
| 12/11/2013 | CN203333718U Novel crankshaft straightening and quenching tank |
| 12/11/2013 | CN203333717U Continuous heat treatment device for particle material with round sections |
| 12/11/2013 | CN203333715U Bulb flat steel quenching device with guiding function |