| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 12/12/2013 | US20130327451 Inductive heating for hardening of gear teeth and components alike |
| 12/12/2013 | CA2874945A1 Procede de soudage de deux bords d'une ou plusieurs pieces en acier l' un a l'autre incluant une etape de traitement thermique posterieure a l'etape de soudure: conduite forcee o btenue par un tel procede |
| 12/11/2013 | EP2671964A1 High-strength cold-rolled steel sheet having excellent processability and high yield ratio, and method for producing same |
| 12/11/2013 | EP2671962A1 Steel sheet for aerosol can bottom having high pressure resistance and excellent workability and method for producing same |
| 12/11/2013 | EP2671961A1 High strength cold-rolled steel sheet and automobile components of steel having excellent properties in coating film adhesion, workability, and hydrogen embrittlement resistivity |
| 12/11/2013 | EP2671960A1 High strength cold-rolled steel sheet and automobile components of steel having excellent properties in coating film adhesion, workability, and hydrogen embrittlement resistivity |
| 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 | EP2670870A1 Process for producing high strength steel, and to a steel produced thereby |
| 12/11/2013 | CN203333724U Detection device for discharge machine of heating furnace |
| 12/11/2013 | CN203333723U Steel billet turning device |
| 12/11/2013 | CN203333722U Annealing material frame for copper strip bell-type furnace |
| 12/11/2013 | CN203333721U Regulation device for dewing points in atmosphere of continuous annealing unit |
| 12/11/2013 | CN203333720U Tubular program-controlled annealing furnace for aluminum magnesium alloy wire |
| 12/11/2013 | CN203333719U Gap adjusting device of spray head |
| 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 | CN203333716U Fastener production cooling device |
| 12/11/2013 | CN203333715U Bulb flat steel quenching device with guiding function |
| 12/11/2013 | CN203333713U Resistance wire heating furnace |
| 12/11/2013 | CN103443318A Austenite system alloy pipe and manufacturing method thereof |
| 12/11/2013 | CN103443317A Steel sheet for hot-tamped member and process for producing same |
| 12/11/2013 | CN103443316A Case hardening steel, method for producing same, and mechanical structural part using case hardening steel |
| 12/11/2013 | CN103443302A Steel pipe quenching method |
| 12/11/2013 | CN103443301A Method of manufacturing a magnetic substrate for an encoder |
| 12/11/2013 | CN103443300A Method for treating a component such as a gearwheel |
| 12/11/2013 | CN103443299A Complex steel component and production method therefor |
| 12/11/2013 | CN103442837A Complex steel component and production method therefor |
| 12/11/2013 | CN103438743A Phase change-dividing-wall-type combined heat exchange system and method for flue gas of heating furnace |
| 12/11/2013 | CN103436892A Preparation method for abrasion-resistant gear with alloy steel on surface |
| 12/11/2013 | CN103436822A Preparation method for high-strength cold forging steel rivet with uniform structure properties |
| 12/11/2013 | CN103436820A Preparation method for cold heading steel material for riveted joint |
| 12/11/2013 | CN103436819A Preparation method for alloy cold forging steel material used for riveted joint |
| 12/11/2013 | CN103436802A Hot roll for rolling titanium plate and manufacturing method of hot roll |
| 12/11/2013 | CN103436789A Hot roll for rolling aluminium products and manufacturing method thereof |
| 12/11/2013 | CN103436689A Processing method for recovering hardness performance of SA335-P91 steel for power stations |
| 12/11/2013 | CN103436688A Method for detecting heat radiation coefficient of steel strips |
| 12/11/2013 | CN103436684A Heat-accumulating billet heating furnace |
| 12/11/2013 | CN103436683A System and method for intelligently controlling tube continuous annealing furnaces |
| 12/11/2013 | CN103436682A Intelligent control system and method of multi-specification tubular continuous annealing furnace |
| 12/11/2013 | CN103436681A Compression roller device in front of annealing furnace |
| 12/11/2013 | CN103436680A Method for producing steel for binding straps with tensile strength of more than or equal to 990 MPa |
| 12/11/2013 | CN103436679A Differential temperature heat treatment method of minor-diameter high chromium cast-iron roll |
| 12/11/2013 | CN103436678A Water spray quenching technology for wheel treads of industrial and mining locomotives, cranes and the like |
| 12/11/2013 | CN103436677A Production method of stainless steel tube specially used for double-tube plate heat exchanger |
| 12/11/2013 | CN103436676A Heat treatment method for improving structural homogenity of rolled steel integral wheel for large-size railway vehicle |
| 12/11/2013 | CN103436670A Water cooling system for steel plate quenching apparatus |
| 12/11/2013 | CN103436669A Oscillating apparatus for quenching of steel plate |
| 12/11/2013 | CN103436662A Steel wire quenching heat treatment method |
| 12/11/2013 | CN103436661A Inner bore induction quenching device and method of gray iron cylinder body of air compressor |
| 12/11/2013 | CN103433752A Tire wire production device |
| 12/11/2013 | CN103433279A Roll forming method for Martensite stainless steel large-sized thin-wall ring part |
| 12/11/2013 | CN103014254B Heat treatment processing process for drive plate |
| 12/11/2013 | CN102912088B Method and device for strengthening inner wall of middle-small diameter long tube through laser shot blasting |
| 12/11/2013 | CN102876877B Vertical type stepping quenching system for saw blade matrix |
| 12/11/2013 | CN102851671B Carborized quenched gear ring self-rounding heat treatment method |
| 12/11/2013 | CN102560228B Method for producing wheel made of austempered ductile iron (ADI) material |
| 12/11/2013 | CN102433425B Machine tool for continuously quenching slender steel pipe |
| 12/11/2013 | CN102312164B Steel for Cr-contained high-performance pipe fittings for oil and gas transmission and production method thereof |
| 12/11/2013 | CN102260833B Stainless steel for high-performance B4003M truck |
| 12/10/2013 | US8603265 Ni-based alloy high-chrome steel structure and manufacturing method of the same |
| 12/10/2013 | CA2713181C High strength steel sheet and method for manufacturing the same |
| 12/05/2013 | WO2013180180A1 High strength cold-rolled steel plate and manufacturing method therefor |
| 12/05/2013 | WO2013180037A1 High strength cold-rolled steel plate exhibiting little variation in strength and ductility, and manufacturing method for same |
| 12/05/2013 | WO2013179934A1 Steel wire for high-strength spring having exceptional coiling performance and hydrogen embrittlement resistance, and method for manufacturing same |
| 12/05/2013 | WO2013179667A1 High-strength stainless steel seamless pipe for use as oil well piping, and manufacturing method therefor |
| 12/05/2013 | WO2013179616A1 Ferritic stainless steel |
| 12/05/2013 | WO2013179497A1 Low yield ratio high-strength cold-rolled steel sheet with excellent elongation and stretch flange formability, and manufacturing method thereof |
| 12/05/2013 | WO2013179115A1 Low-density hot- or cold-rolled steel, method for implementing same and use thereof |
| 12/05/2013 | WO2013178470A1 Continuous curing or drying installation for sheet metal strip |
| 12/05/2013 | DE102012010382A1 Verfahren und Anordnung zur Rückgewinnung von Wärmeenergie bei der Wärmebehandlung von kaltgewalztem Stahlband in einem Haubenglühofen Method and apparatus for recovering heat energy in the heat treatment of cold-rolled steel strip in an annealing furnace |
| 12/04/2013 | EP2669389A1 Method and assembly for recovering data thermal energy in the heat treatment of cold rolled steel strips in a hood type annealing furnace |
| 12/04/2013 | EP2667997A1 Weld cooling apparatus and method using an expansible coolant and a refractory seal |
| 12/04/2013 | CN203320075U Guiding device used during steel belt thermal treatment |
| 12/04/2013 | CN203320074U Transverse moving type mounting device for heating furnace radiant tube |
| 12/04/2013 | CN203320073U Annealing device for copper cladding aluminum magnesium composite wire materials |
| 12/04/2013 | CN203320072U Fine adjusting bracket device of amorphous self-pressed strip unit |
| 12/04/2013 | CN203320071U Supersonic air/mist pulse scanning and quenching machine tool for gear induction heating |
| 12/04/2013 | CN203320070U Medium-frequency heat treatment improved structure of driving gear ring of caterpillar excavator |
| 12/04/2013 | CN203320069U Cushion block for heat treatment of shaft parts |
| 12/04/2013 | CN203320068U Heating device during production of blade |
| 12/04/2013 | CN203320067U Steel pipe thermal treatment furnace |
| 12/04/2013 | CN203320066U Tray for element heat-treatment |
| 12/04/2013 | CN203320065U Full-automatic quenching machine tool for cylindrical workpieces |
| 12/04/2013 | CN203320061U Automobile front shaft/crankshaft quenching and cooling device |
| 12/04/2013 | CN203320060U Steel plate quenching pendulous device |
| 12/04/2013 | CN203320059U Drying roller of strip steel after water quenching |
| 12/04/2013 | CN203320056U Cooling plate during production of blade |
| 12/04/2013 | CN203320054U Device for prolonging service life of annealing-furnace furnace doors and improving sealing performance of annealing-furnace furnace doors |
| 12/04/2013 | CN103429775A Method for manufacturing grain-oriented electrical steel sheet having excellent magnetic properties |
| 12/04/2013 | CN103429774A Steel sheet for hot stamping, method for manufacturing same, and method for manufacturing high-strength part |
| 12/04/2013 | CN103423470A Manual non-rising stem type gate valve and heat treatment process of valve body thereof |
| 12/04/2013 | CN103421945A Roller nodulation removal device for silicon steel continuous annealing furnaces |
| 12/04/2013 | CN103421944A Device and method for driving steel wire |
| 12/04/2013 | CN103421943A Treatment process method for improving performance of 5052 aluminum alloy friction stir welding joint |
| 12/04/2013 | CN103421942A Method for improving crushing load value of quenched and tempered steel ball and steel ball |
| 12/04/2013 | CN103421935A Continuous tempering treatment device |
| 12/04/2013 | CN103421934A Induction quenching system and method for bearing cylindrical face of self-limiting seat of heavy truck plate spring |
| 12/04/2013 | CN103421933A Method for eliminating residual stress of welding joint of X80 pipeline steel |
| 12/04/2013 | CN103421932A Material pushing device of stainless steel solid melting furnace |
| 12/04/2013 | CN102803522B Method for producing harmonic drive gear base material |