| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 01/08/2013 | CA2681748C High-strength hot rolled steel sheet being free from peeling and excellent in surface properties and burring properties, and method for manufacturing the same |
| 01/08/2013 | CA2649366C Electric induction heat treatment of an end of tubular material |
| 01/03/2013 | WO2013002441A1 Heat-hardened steel with excellent crashworthiness and method for manufacturing heat-hardenable parts using same |
| 01/03/2013 | WO2013002418A1 Thick-walled high-strength seamless steel pipe with excellent sour resistance for pipe for pipeline, and process for producing same |
| 01/03/2013 | WO2012151385A3 Forging of an annular article with electric induction heating |
| 01/03/2013 | US20130004883 High-nitrogen stainless steel pipe with high strength, high ductility, and excellent corrosion and heat resistance and process for producing same |
| 01/03/2013 | US20130004787 Seamless steel pipe for steam injection and method for manufacturing the same |
| 01/03/2013 | US20130004360 Ferritic stainless steel sheet excellent in oxidation resistance and ferritic stainless steel sheet excellent in heat resistance and method of production of same |
| 01/03/2013 | US20130000795 Amorphous Core Annealing Method |
| 01/03/2013 | US20130000793 Welded steel pipe for linepipe having high compressive strength and excellent sour gas resistance and manufacturing method thereof |
| 01/03/2013 | US20130000788 Method for manufacturing base material for wave gear |
| 01/03/2013 | DE102011056444B3 Verfahren und Vorrichtung zum partiellen Härten von Blechbauteilen Method and apparatus for partial hardening of sheet metal parts |
| 01/03/2013 | DE102011053722B3 Verfahren zum Herstellen eines höherfesten Elektrobandes, Elektroband und dessen Verwendung A method for producing a high-strength electrical steel, electrical steel and its use |
| 01/02/2013 | EP2541093A1 Impact absorbing member |
| 01/02/2013 | EP2540855A1 Heat-treated steel material, method for producing same, and base steel material for same |
| 01/02/2013 | EP2540854A1 Super-high strength cold-rolled steel sheet having excellent bending properties |
| 01/02/2013 | CN202643803U Driving roller of sheet billet discharge machine |
| 01/02/2013 | CN202643802U Push rod track on kick off machine |
| 01/02/2013 | CN202643801U Steel pushing device of steel discharging machine |
| 01/02/2013 | CN202643800U Pinch roll device on steel tapping machine |
| 01/02/2013 | CN202643799U Feeding device on kick off machine |
| 01/02/2013 | CN202643798U Energy-saving sloping heating furnace |
| 01/02/2013 | CN202643797U Economical sloping hearth furnace capable of processing steel billets of different specifications |
| 01/02/2013 | CN202643796U Welding stick annealing furnace |
| 01/02/2013 | CN202643795U Improved burner of low-carbon steel wire online continuous annealing furnace |
| 01/02/2013 | CN202643794U Sealing device for annealing furnace outlet |
| 01/02/2013 | CN202643793U Atmosphere purification apparatus in continuous annealing furnace |
| 01/02/2013 | CN202643792U Vertical annealing furnace cooling water system |
| 01/02/2013 | CN202643791U Copper wire annealing protection device |
| 01/02/2013 | CN202643790U Three-roll type stabilizer roll device in stainless steel bright annealing furnace |
| 01/02/2013 | CN202643789U Regulating device for heat treatment wire temperatures of steel wires |
| 01/02/2013 | CN202643788U Copper wire surface blow-drying device |
| 01/02/2013 | CN202643787U Structure for preventing quenching cracks from being formed at orifice of oil filling hole on outer cylinder in quenching process of shaft parts |
| 01/02/2013 | CN202643786U Air door filtering device of stainless steel solid smelting furnace |
| 01/02/2013 | CN202643785U Material pushing device of stainless steel solid melting furnace |
| 01/02/2013 | CN202643784U Thermal energy recycling device of stainless steel solid smelter |
| 01/02/2013 | CN202643783U Feeding and conveying device of stainless steel solid melting pot |
| 01/02/2013 | CN202643782U Trolley type gas thermal treatment furnace |
| 01/02/2013 | CN202643781U Continuous-type copper material heating furnace |
| 01/02/2013 | CN202643772U Ring forge piece quenching device |
| 01/02/2013 | CN202643771U Furnace wall structure with reinforcing ribs for quenching furnace |
| 01/02/2013 | CN202643764U Rotatable type I sleeve type radiant tube |
| 01/02/2013 | CN202643763U Thermal treatment lead liquid circulation system |
| 01/02/2013 | CN202643762U Discharge cooling device of stainless steel solid melting furnace |
| 01/02/2013 | CN202642921U Positioning and cleaning device for conveying steel strips |
| 01/02/2013 | CN202642668U Conveying recovery device |
| 01/02/2013 | CN102859025A Bearing Part, Bearing And Bearing Part Inspection Method |
| 01/02/2013 | CN102859023A Steel for high frequency hardening, roughly molded material for high frequency hardening and process for production thereof, and high-frequency-hardened steel member |
| 01/02/2013 | CN102859022A High strength hot-dip galvanized steel sheet with superior workability and production method therefor |
| 01/02/2013 | CN102859020A Heat-treated steel material, method for producing same, and base steel material for same |
| 01/02/2013 | CN102859018A High-strength hot-dip galvanized steel sheet with excellent formability and impact resistance, and process for producing same |
| 01/02/2013 | CN102859010A Method of making a hypereutectoid, head-hardened steel rail |
| 01/02/2013 | CN102853143A All-welded ball valve and welding method of all-welded ball valve |
| 01/02/2013 | CN102851671A Carborized quenched gear ring self-rounding heat treatment method |
| 01/02/2013 | CN102851609A Material used in offshore wind power equipment, and workpiece manufacturing process |
| 01/02/2013 | CN102851484A Bell jar-type annealing furnace water mist air cooling process and device |
| 01/02/2013 | CN102851483A Method for eliminating strip steel vibration at the fast cool section of continuous annealing furnace |
| 01/02/2013 | CN102851482A End heat-insulating structure of suspension muffle tube |
| 01/02/2013 | CN102851481A Steel plate heat treatment facility and steel plate heat treatment technique |
| 01/02/2013 | CN102851480A Large mill half-gear cooling and quenching heat treatment device and method |
| 01/02/2013 | CN102851479A Heat treatment technology of high-strength bolt |
| 01/02/2013 | CN102851478A Continuous tempering furnace for vehicle lamps |
| 01/02/2013 | CN102851477A Method for reducing hearth roll mark defect on steel plate surface |
| 01/02/2013 | CN102851469A Spray quenching unit |
| 01/02/2013 | CN102851463A Suspended muffle pipe end heat-insulation method |
| 01/02/2013 | CN102851460A Stepping feeding heat-treatment furnace |
| 01/02/2013 | CN102848634A Easily-molded environment-friendly beryllium bronze-steel bimetallic bearing material and manufacturing method thereof |
| 01/02/2013 | CN102847735A Production process of metal microfilament for weaving |
| 01/02/2013 | CN102409246B Bainite cylinder jacket lining and preparation method thereof |
| 01/02/2013 | CN102337533B Ferrum-chromium-aluminum blue surface treatment method |
| 01/02/2013 | CN102319897B Manufacturing method of spray formed high-vanadium high-speed steel composite roller |
| 01/02/2013 | CN102268529B Resistance furnace special for large-sized roller overlaying repair heat treatment |
| 01/02/2013 | CN102234715B Cross steel tapping control method for blooming furnace group |
| 01/02/2013 | CN102212734B Steel for furnace bottom roll |
| 01/02/2013 | CN102206742B Waste hydrogen combustion system for full-hydrogen bell-type furnace used for bright annealing |
| 01/02/2013 | CN102191358B GCr15 high-carbon chromium bearing steel hot forging billet waste heat temperature control ball annealing technology |
| 01/02/2013 | CN102108435B Automatic cooling method and equipment in process of heating large forgings |
| 01/02/2013 | CN101956139B High-strength cold-rolled steel sheet with yield strength level of 700MPa and manufacturing method thereof |
| 12/27/2012 | WO2012176834A1 Pressure ring and fabrication method therefor |
| 12/27/2012 | WO2012176551A1 Steel product and manufacturing method therefor |
| 12/27/2012 | WO2012175814A1 Method for producing a steel tube and a highly formable and high strength multiphase steel tube |
| 12/27/2012 | WO2012174749A1 Regenerative soaking furnace for burning low calorific value gas |
| 12/27/2012 | US20120325379 Method for producing a corrosion-resistant, workable sheet metal with full-surface coating of the joined, thermally treated steel sheets |
| 12/27/2012 | DE102012006611A1 Heat treatment of component, preferably metallic component, comprises heating the component at a first predetermined temperature-time profile, quenching, and heating at a second predetermined temperature-time profile |
| 12/26/2012 | EP2538749A1 Transverse flux induction heating device |
| 12/26/2012 | EP2538748A1 Transverse flux induction heating device |
| 12/26/2012 | EP2537958A1 Non-oriented electromagnetic steel sheet and process for production thereof |
| 12/26/2012 | EP2537953A1 Heat treatment method and heat treatment apparatus |
| 12/26/2012 | EP2537946A1 Manufacturing method for grain-oriented electromagnetic steel sheet |
| 12/26/2012 | EP2537945A2 A heat treatment apparatus and a method of using such apparatus |
| 12/26/2012 | EP2536857A1 Strip, sheet or blank suitable for hot forming and process for the production thereof |
| 12/26/2012 | CN202626262U Novel graphite roller |
| 12/26/2012 | CN202626261U Vibration ageing device of movable arm of loading machine |
| 12/26/2012 | CN202626260U Furnace tool for double-taper rollers |
| 12/26/2012 | CN202626259U Zero-pressure tooling device for heat treatment of gears |
| 12/26/2012 | CN202626258U Heat treatment shaping fixture for spiral spring-shaped part |
| 12/26/2012 | CN202626257U Fixture for heat-treatment shaping |
| 12/26/2012 | CN202626256U Novel hard alloy anvil aging treatment furnace |
| 12/26/2012 | CN202626255U Device special for lowering coercive force of precision electronic parts |
| 12/26/2012 | CN202626251U Quenching tank for chain type conveying stabilizer bar |