| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 02/13/2013 | EP2556175A2 Mechanical part made of steel having high properties and process for manufacturing same |
| 02/13/2013 | EP2556174A1 Treatment of a heater tube intended for a pressurizer of the primary cooling system of a nuclear reactor |
| 02/13/2013 | CN202734570U Fixing mechanism of pusher furnace bottom water pipe |
| 02/13/2013 | CN202734504U Heat accumulating type stepping bottom heating furnace |
| 02/13/2013 | CN202730198U Oxygen-rich blowing device of steel rolling heating furnace |
| 02/13/2013 | CN202730197U Steel-push-type ejector rod iron-foil-removing device of heating furnace |
| 02/13/2013 | CN202730196U Nitrogen heating system for hot rolling electro-magnetic induction heating furnace |
| 02/13/2013 | CN202730195U Online test tracking device for steel billet surface atmosphere inside furnace |
| 02/13/2013 | CN202730194U Automatic rotating device for seal rolls of hot withdrawal and straightening tempering furnace |
| 02/13/2013 | CN202730193U Atmosphere gas purifying device for stainless steel strap bright annealing furnace |
| 02/13/2013 | CN202730192U Chassis of heating furnace |
| 02/13/2013 | CN202730191U Hot-pressing three-way pipe billet heating furnace |
| 02/13/2013 | CN202730190U Space ring for heat treatment of aluminium alloy gas cylinder |
| 02/13/2013 | CN202730189U Leaf spring step type quenching heating furnace |
| 02/13/2013 | CN202730188U Large-size mill half gear cooling and quenching heat treatment device |
| 02/13/2013 | CN202730187U Air blasting and cooling device |
| 02/13/2013 | CN202730185U Arc gap nozzle of quenching tank |
| 02/13/2013 | CN202730184U Automatic deslagging device |
| 02/13/2013 | CN202730179U Special equipment for medium-frequency induction quenching of precise temperature control track travelling wheel outer surface |
| 02/13/2013 | CN202726474U Electron beam welding line |
| 02/13/2013 | CN102933733A Hot-rolled high-strength steel sheet and process for production thereof |
| 02/13/2013 | CN102926832A Timing chain of double VVT overhead camshaft engine for SUV and fabrication method |
| 02/13/2013 | CN102925904A Thermal annealing acid-washing method of stainless steel wide and thick plate coil |
| 02/13/2013 | CN102925903A Heat treatment method for die-casting die |
| 02/13/2013 | CN102925833A Method for producing beryllium bronze strip by using continuous heat-treating furnace |
| 02/13/2013 | CN102925819A High-toughness wear-resistant multiphase steel pick and manufacturing process |
| 02/13/2013 | CN102925817A Cold-rolled steel sheet with yield strength of 980 MPa grade and manufacturing method thereof |
| 02/13/2013 | CN102925812A Hot rolling diaphragm spring steel for automobile and production method of hot rolling diaphragm spring |
| 02/13/2013 | CN102925663A VSR (vibratory stress relief) device for press roller |
| 02/13/2013 | CN102925660A Method and device for improving formability of tailor-welded steel plate |
| 02/13/2013 | CN102925659A Annealing control system of intermediate wire drawing machine |
| 02/13/2013 | CN102925658A Tissue and accuracy stabilized treatment method for high-carbon chromium steel bearing assembly |
| 02/13/2013 | CN102925657A Rolling deformation quenching composite reinforcing method of middle carbon alloyed steel bearing ring piece |
| 02/13/2013 | CN102925656A Preheating treatment method for supporting roller |
| 02/13/2013 | CN102925655A Thermal treatment method of cam shaft |
| 02/13/2013 | CN102925654A Crankshaft output end rod portion quenching technology |
| 02/13/2013 | CN102925653A Technology for processing high-precision stainless steel seamless pipe through solution heat treatment |
| 02/13/2013 | CN102925652A Intelligent optimal control method for car-bottom type furnace |
| 02/13/2013 | CN102925647A Method for saturated shot blasting of stainless steel spring |
| 02/13/2013 | CN102925641A Method for controlling flow fields in quenching water tank of large cylindrical workpiece |
| 02/13/2013 | CN102925639A Horizontal high-frequency quenching machine |
| 02/13/2013 | CN102925638A Heating and heat preservation device after welding of hollow shaft |
| 02/13/2013 | CN102925637A Spheroidizing annealing process of cold-finished and extruded gear blank |
| 02/13/2013 | CN102925636A Thermal treatment method for seamless steel bottle with phi 219*6.5mm |
| 02/13/2013 | CN102925635A Rail locomotive bolster lateral frame continuous pushing-disc type heat treatment production line |
| 02/13/2013 | CN102925634A Step furnace production line for quenching and tempering front axle of automobile |
| 02/13/2013 | CN102925633A Steel plate quenching cooling method and device |
| 02/13/2013 | CN102922248A Processing technique of shell-and-tube heat exchanger requiring whole stress-relief heat treatment |
| 02/13/2013 | CN102922228A Valve manufacturing process for improving impact toughness of F92 butt welding heat affected area |
| 02/13/2013 | CN102251094B Heat accumulating type soaking pit furnace capable of combusting low-calorific value coal gas |
| 02/13/2013 | CN102251090B Special lifting appliance for pit type heat treatment furnace |
| 02/13/2013 | CN102242363B Method for modifying seam surface material of cutting seam sieve tube |
| 02/13/2013 | CN102230066B Local heat treatment process for welding seam of 12CrlMoV pipe |
| 02/13/2013 | CN102212664B Heat treatment method of stainless steel traction pin |
| 02/13/2013 | CN102115806B Heat treatment process for improving low temperature toughness of super-thick plates |
| 02/13/2013 | CN102000696B Production method of striped stainless steel stripes |
| 02/13/2013 | CN101967541B Heating method for controlling decarburization in heavy rail billet furnace |
| 02/13/2013 | CN101875059B Method for manufacturing 1,860MPa ultrahigh strength hotly-galvanized steel wire with diameter of 5.0 millimeters |
| 02/13/2013 | CN101696121B High-temperature graphite carbon bush and production method |
| 02/12/2013 | US8372219 Gun barrel of firearms |
| 02/12/2013 | CA2646734C Ultra soft high carbon hot rolled steel sheet and method for manufacturing same |
| 02/07/2013 | WO2013018741A1 High-strength steel sheet having excellent shape-retaining properties, high-strength zinc-plated steel sheet, and method for manufacturing same |
| 02/07/2013 | WO2013018740A1 High-strength steel sheet having superior impact resistance, method for producing same, high-strength galvanized steel sheet, and method for producing same |
| 02/07/2013 | WO2013018739A1 High-strength galvanized steel sheet having superior bendability and method for producing same |
| 02/07/2013 | WO2013018726A1 Alloyed hot-dip zinc coat layer, steel sheet having same, and method for producing same |
| 02/07/2013 | WO2013018723A1 High-strength zinc-plated steel sheet and high-strength steel sheet having superior moldability, and method for producing each |
| 02/07/2013 | WO2013018722A1 High-strength zinc-plated steel sheet and high-strength steel sheet having superior moldability, and method for producing each |
| 02/07/2013 | WO2013018628A1 Method for producing austenitic stainless steel |
| 02/07/2013 | WO2013018564A1 Controlled rolling method of seamless steel tube excellent in strength and low-temperature toughness |
| 02/07/2013 | WO2013018334A1 High-strength high-processability steel sheet for cans and method for producing same |
| 02/07/2013 | DE102011109534A1 Verfahren und Vorrichtung zur Kühlung von kontinuierlich durchlaufendem Material Method and apparatus for cooling continuously running material |
| 02/07/2013 | DE102011104521B4 Vorrichtung und verfahren zur wärmebehandlung Apparatus and method for heat treatment |
| 02/07/2013 | DE102011052358A1 Apparatus useful for producing gear rack for steering gear of motor vehicle, comprises gear rack, grinding wheel to form gearing by gear grinding hardening, and heatable support device for heating gear back, which is arranged on gear back |
| 02/07/2013 | CA2843180A1 High strength steel sheet and high strength galvanized steel sheet excellent in shapeability and methods of production of same |
| 02/07/2013 | CA2843179A1 High strength steel sheet and high strength galvanized steel sheet excellent in shapeability and methods of production of same |
| 02/07/2013 | CA2842897A1 High-strength galvanized steel sheet excellent in bendability and manufacturing method thereof |
| 02/07/2013 | CA2842896A1 Galvannealed layer and steel sheet comprising the same, and method for producing the same |
| 02/07/2013 | CA2842800A1 High-strength steel sheet and high-strength galvanized steel sheet excellent in shape fixability, and manufacturing method thereof |
| 02/06/2013 | EP2554709A1 Bearing part, bearing and bearing part inspection method |
| 02/06/2013 | EP2554706A1 Hot-rolled steel sheet with high tensile strength and superior processability and method for producing same |
| 02/06/2013 | EP2554705A1 Hot-dip galvanized steel sheet with high tensile strength and superior processability and method for producing same |
| 02/06/2013 | EP2554702A1 Dual phase structure stainless steel sheet and steel strip, and method for producing the dual phase structure stainless steel sheet and steel strip |
| 02/06/2013 | EP2554701A1 Ferritic stainless steel sheet superior in surface glossiness and corrosion resistance and method for producing same |
| 02/06/2013 | EP2554699A1 Steel sheet with high tensile strength and superior ductility and method for producing same |
| 02/06/2013 | EP2554688A1 METHOD FOR PRODUCING HIGH-Si COLD ROLLED STEEL SHEET HAVING EXCELLENT CHEMICAL CONVERSION TREATABILITY |
| 02/06/2013 | EP2554687A1 Method for producing high-strength steel plate having superior deep drawing characteristics |
| 02/06/2013 | EP2554686A1 Method for producing harmonic drive gear base material |
| 02/06/2013 | EP2553133A2 Steel, flat steel product, steel component and method for producing a steel component |
| 02/06/2013 | CN202719894U Heating furnace for heating steel billets |
| 02/06/2013 | CN202717822U Heat treatment production line for wire rod online rust protection |
| 02/06/2013 | CN202717821U Axial class wire rod online bright annealing production line |
| 02/06/2013 | CN202717820U Ventilation channel steel online bright solid melting production line |
| 02/06/2013 | CN202717819U Online welding annealing device |
| 02/06/2013 | CN202717818U Large-sized ring quenching equipment |
| 02/06/2013 | CN202717817U Control device for automatic screw die quenching of threading machine |
| 02/06/2013 | CN202717816U Screw die quenching clamp of threading machine |
| 02/06/2013 | CN202717815U Automatic quenching device of threading machine threading die |
| 02/06/2013 | CN202717814U Tunnel type quenching device for steel tube |
| 02/06/2013 | CN202717813U Strong convective transporting chain type heat treatment production line |
| 02/06/2013 | CN202717808U Step automatic horizontal gear quenching machine tool |