| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 02/06/2013 | CN102912091A Method and cooling system for improving comprehensive mechanical property of normalized steel plate |
| 02/06/2013 | CN102912090A Design method of suspension muffle tube |
| 02/06/2013 | CN102912089A Online induction heating and shallow hardening process and device after outer thread processing of pipe end |
| 02/06/2013 | CN102912088A Method and device for strengthening inner wall of middle-small diameter long tube through laser shot blasting |
| 02/06/2013 | CN102912087A Process for quenching surface of 20 steel pipe without flexible overlap strip by plasma arc through carburizing |
| 02/06/2013 | CN102912086A Rod material gradient heat treatment device and method for treating rod material by using same |
| 02/06/2013 | CN102337385B Multi-cycle quenching-partitioning-tempering (M Q-P-T) technique |
| 02/06/2013 | CN102286657B Heat treatment method of integrated shell of turbine shell turbocharger |
| 02/06/2013 | CN102277581B Heat treatment process of low-carbon alloy material |
| 02/06/2013 | CN102260832B Antibacterial stainless steel composite steel plate and its manufacturing method |
| 02/06/2013 | CN102180693B High-absorptivity coating for resisting oxidation and decarburization of steel billet |
| 02/06/2013 | CN102134681B Steel for saw blade substrate and manufacturing method thereof |
| 02/06/2013 | CN102021499B Method for manufacturing high-strength pipe steel |
| 02/06/2013 | CN101984123B Preparation method of stainless steel coach plate for high-speed train |
| 02/06/2013 | CN101967622B Vacuum carburization method and vacuum carburizing apparatus |
| 02/05/2013 | CA2680623C Steel for tool-less hot forming or quenching with improved ductility |
| 01/31/2013 | WO2013015297A1 Method for heating steel plate, and heating apparatus |
| 01/31/2013 | WO2013015085A1 Induction hardening steel and crank shaft manufactured by using same |
| 01/31/2013 | WO2013014512A1 Hot-formed previously welded steel part with very high mechanical resistance, and production method |
| 01/31/2013 | WO2013014481A1 Hot-formed previously welded steel part with very high mechanical resistance, and production method |
| 01/31/2013 | WO2013013803A1 Segmented press-hardening tool |
| 01/31/2013 | WO2012170332A3 Machine component with a cavitation resistant covering |
| 01/31/2013 | US20130026685 Furnace atmosphere generator |
| 01/31/2013 | DE102012212489A1 Verfahren zum Bilden eines gepressten Gegenstandes A method for forming a pressed article |
| 01/31/2013 | DE102011108912A1 Segmentiertes Presshärtewerkzeug Segmented press hardening tool |
| 01/31/2013 | DE102011108875A1 Induktives inertes Härten und Anlassen Inductive inert hardening and tempering |
| 01/31/2013 | CA2843169A1 Hot-formed previously welded steel part with very high mechanical resistance, and production method |
| 01/30/2013 | EP2551361A1 Heat treatment method for long material, manufacturing method for long material, and heat treatment furnace used in above methods |
| 01/30/2013 | EP2551360A1 Method for electrically heating spring, and device for same |
| 01/30/2013 | EP2551359A1 Method for producing ultra high strength member and use of ultra high strength member |
| 01/30/2013 | EP2551358A1 Heat treatment method |
| 01/30/2013 | EP2550373A1 Method and device for wire patenting by radiation-convection heat transfer |
| 01/30/2013 | CN202709756U Heat treatment charging basket |
| 01/30/2013 | CN202705418U Inductive quenching processing device of Cr12MoV roller |
| 01/30/2013 | CN202705417U Universal crankshaft keyway quenching device of power machine |
| 01/30/2013 | CN202705416U Crankshaft connecting rod journal quenching device |
| 01/30/2013 | CN202705415U End cap for preventing decarburization of inner wall of double metal wear resistant pipe |
| 01/30/2013 | CN202705412U Steel pipe quenching outer water spraying device |
| 01/30/2013 | CN202705411U Quenching device capable of isolating exhaust gas |
| 01/30/2013 | CN202705410U Online quenching unit |
| 01/30/2013 | CN202705409U Quenching tank |
| 01/30/2013 | CN202705408U Fountain-type quenching and cooling tank |
| 01/30/2013 | CN202705407U Chain plate lifting and quenching mechanism |
| 01/30/2013 | CN202705406U Local heat treatment processing device |
| 01/30/2013 | CN202705405U Normalizing resistance furnace |
| 01/30/2013 | CN202705404U 轴承退火送料装置 Bearing annealing feeding device |
| 01/30/2013 | CN202705403U Continuous annealing furnace |
| 01/30/2013 | CN202705402U Annealing basket for soft magnetic ferrite product |
| 01/30/2013 | CN202705401U Isothermal quenching workpiece strengthened by carburizing |
| 01/30/2013 | CN202705400U Continuous quenching and tempering furnace oil-fume combustion device |
| 01/30/2013 | CN202705399U Inductive heat treatment device |
| 01/30/2013 | CN202701016U Alloy wire processing molding equipment |
| 01/30/2013 | CN102906291A High-strength pressed member and method for producing same |
| 01/30/2013 | CN102900897A Concrete pump truck elbow and machining technology thereof |
| 01/30/2013 | CN102899603A M50NiL material low-pressure vacuum carburization method |
| 01/30/2013 | CN102899598A Integrated annealing, tin plating and shaft closing device for photovoltaic welding strips |
| 01/30/2013 | CN102899590A Long-service-life impeller of hydrapulper and production method thereof |
| 01/30/2013 | CN102899586A Iron alloy material and preparation method |
| 01/30/2013 | CN102899572A Medium carbon multi-component alloy division plate for ball mill |
| 01/30/2013 | CN102899571A Pre-hardening type plastic mold steel and manufacturing method thereof |
| 01/30/2013 | CN102899565A Steel for cold rolling enamel, and manufacturing method thereof |
| 01/30/2013 | CN102899563A Method for producing ultrahigh-strength steel plate |
| 01/30/2013 | CN102899478A Method for removing matter adhered to furnace roller of annealing furnace |
| 01/30/2013 | CN102899476A Stainless steel driving belt for artificial board pressing machine and heat treatment process |
| 01/30/2013 | CN102899472A Titanium and titanium alloy U-shaped bend vacuum heat treatment method and apparatus thereof |
| 01/30/2013 | CN102899469A Heat-treatment method of high-chromium wear-resistant white cast iron Cr28 |
| 01/30/2013 | CN102899467A Method for promoting electrical sheet thin strip to facilitate generation of texture |
| 01/30/2013 | CN102899466A Processing method for preventing inner surface oxidization of steel pipe during heat treatment |
| 01/30/2013 | CN102899465A Vacuum pulse hydrogen annealing apparatus and method for electric pure iron |
| 01/30/2013 | CN102899464A Premixed spray quenching system for steel rail |
| 01/30/2013 | CN102899463A Linear water curtain device |
| 01/30/2013 | CN102899462A Aluminum rod cooling device |
| 01/30/2013 | CN102899461A Medium-carbon steel spheroidization annealing process |
| 01/30/2013 | CN102899460A Heat treatment method for martensitic stainless steel forging module |
| 01/30/2013 | CN102899459A Pressure quenching method and pressure quenching apparatus for workpiece |
| 01/30/2013 | CN102899458A 热处理炉 Heat treatment furnace |
| 01/30/2013 | CN102896168A Manufacture technology for spacer sleeve |
| 01/30/2013 | CN102363836B Induction quenching method for Cr12MoV roller |
| 01/30/2013 | CN102286715B Deformation Zn-Al alloy stability heat treatment process |
| 01/30/2013 | CN102220467B All-fiber mantle-mobile hot air circulation annealing furnace |
| 01/30/2013 | CN101994030B Low-cost high-performance AB5 type hydrogen storage alloy and preparation method thereof |
| 01/30/2013 | CN101886158B Manufacturing method of shaft lever part for engineering machinery |
| 01/30/2013 | CN101555775B Pilot milling cone tool for repairing casing and method thereof |
| 01/30/2013 | CN101396945B Art plate and pipe processing technique |
| 01/29/2013 | US8362393 Method for improving residual stress in tubular body and apparatus for improving residual stress in tubular body |
| 01/29/2013 | US8362389 Apparatus for improving residual stress in tubular body and adjustment method of the same |
| 01/29/2013 | US8361254 Steel compositions, methods of forming the same, and articles formed therefrom |
| 01/29/2013 | US8361253 Heat treatment of flexibly rolled strip |
| 01/24/2013 | WO2013012006A1 Method for producing hot-pressed steel member |
| 01/24/2013 | WO2012163352A3 Device for retaining a workpiece during inductive heating |
| 01/23/2013 | EP2548986A1 Steel for nitrocarburization, nitrocarburized components, and production method for same |
| 01/23/2013 | EP2548976A1 Spring steel and surface treatment method for steel material |
| 01/23/2013 | EP2548975A1 Method and device for producing a hardened metallic component with at least two areas of different ductility |
| 01/23/2013 | EP2548974A1 Local heat treatment of IBR blade using infrared heating |
| 01/23/2013 | EP2548664A1 Process for producing hot-rolled steel sheet and process for producing hot-dip galvanized steel sheet |
| 01/23/2013 | EP2547800A1 Method for producing workpieces from lightweight steel having material properties that can be adjusted over the wall thickness |
| 01/23/2013 | EP2547798A1 Press hardening plant and a method of press hardening a steel sheet blank |
| 01/23/2013 | CN202692705U Hearth plate of box-type furnace |
| 01/23/2013 | CN202692700U Automatic feeding mechanism for furnace |
| 01/23/2013 | CN202692699U Full automatic feeding machine for furnace |