Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435)
01/2012
01/25/2012CN102329933A Quenching machine for drilling pieces in wood processing
01/25/2012CN102329932A Radial wheel mechanism of quenching device
01/25/2012CN102329931A High-pressure gas quenching furnace
01/25/2012CN102329930A Bottom plate special for thermal treatment of castings
01/25/2012CN102329929A Bottom plate special for thermal treatment of castings
01/25/2012CN102329928A Thermal treatment process of tool steel for connecting rod bushing
01/25/2012CN102329927A Quenching oil and preparation method thereof
01/25/2012CN102329926A Polymer quenching medium
01/25/2012CN102329925A Rod piece type member with improved fatigue life
01/25/2012CN102329924A Surface treatment method of guide rail of elevator
01/25/2012CN102329923A Special hanging hook for casting heat treatment
01/25/2012CN101967646B Method for improving wear resistance of ring slots of combined piston steel top of diesel engine
01/25/2012CN101934242B Combined hammer head and manufacturing process thereof
01/25/2012CN101921926B Low-calcium and easy-cutting silicon brass alloy and preparation method thereof
01/25/2012CN101880837B Method for preparing steel
01/25/2012CN101871084B Method for manufacturing low ductility anisotropy rolling aluminum alloy sheet
01/25/2012CN101871038B Novel waste heat quenching device
01/25/2012CN101829882B Manufacture method of variable cross-section reed with high strength of more than 1800 MPa
01/25/2012CN101818305B Process for producing cu-containing steel product of excellent surface property
01/25/2012CN101792884B Steel with underrelaxation and hydrogen corrosion resistance for high-speed railway prestressed pull rod and production method thereof
01/25/2012CN101693942B System and method for intensively quenching and cooling steel
01/24/2012US8101031 Hollow power transmission shaft and method of manufacturing the same
01/19/2012WO2012008501A1 Antioxidant agent, process for production of antioxidant agent, and process for producing metallic material
01/19/2012WO2011130699A3 Methods for providing surface treatments in a magnetic field
01/19/2012WO2011104103A3 Method for cooling sheet metal by means of a cooling section, cooling section and control device for a cooling section
01/19/2012US20120014626 Martensitic-steel casting material and process for producing martensitic cast steel product
01/19/2012US20120013056 Charging frame and quenching device having a charging frame
01/19/2012US20120012232 Method and apparatus of friction welding to increase tensile strength of welded workpiece
01/19/2012DE102010027093A1 Producing hollow profile made of metal, preferably tube, comprises introducing hollow profile into shaping device, locally heating it, heating the hollow profile, and guiding it by guide arm for changing its wall thickness
01/19/2012CA2805069A1 Antioxidant agent, process for producing antioxidant agent, and process for producing metallic material
01/18/2012EP2407572A1 High-strength hot-dip galvanized steel plate and method for producing same
01/18/2012EP2407564A1 Management system for high frequency quenching
01/18/2012EP1876256B1 Carburized induction-hardened component
01/18/2012CN202116621U Novel waste hydrogen burning device for full hydrogen cover type annealing furnace
01/18/2012CN202116618U Polysilicon cutting stainless steel wire annealing furnace
01/18/2012CN202116616U Graphite roller supporting device for stainless steel strip continuous annealing furnace
01/18/2012CN202116615U Sealing device for inlet and outlet of continuous annealing furnace for stainless steel bands
01/18/2012CN202116614U High-temperature hydrogen burning and sizing furnace
01/18/2012CN202116612U Steel belt isothermal cooling device
01/18/2012CN202116609U Forging waste heat quenching device
01/18/2012CN202116608U Preheating system for high-speed travelling steel plate in continuous annealing furnace
01/18/2012CN202116607U Quenching induction coil for stepped shafts
01/18/2012CN202116602U Residual heat quenching cooling device
01/18/2012CN202116601U Automatic lifting hardening facility for hub production
01/18/2012CN202116600U Pipe rotating device
01/18/2012CN202116599U Full-automatic flame quenching machine tool
01/18/2012CN202116598U Hardening tray for heat processing of cylinder type forging pieces with thick walls
01/18/2012CN202116597U Integrated mechanical-electronic full-automatic local quenching machine for high-frequency gears
01/18/2012CN202116596U Plate hard medium quenching and cooling system
01/18/2012CN202116595U Galvanizing continuous annealing furnace
01/18/2012CN202116594U Vertical electromagnetic wire annealing furnace
01/18/2012CN202116593U Local annealing device of turntable
01/18/2012CN202116592U Composite type temperature control hardening furnace
01/18/2012CN102325919A Method for processing parts for kitchen tools
01/18/2012CN102325907A Steel sheet annealing device, device for producing plated steel sheet comprising the same, and production method for plated steel sheet using the same
01/18/2012CN102321854A TRIP (Transformation-Induced Plasticity) steel and production method thereof
01/18/2012CN102321796A Heat shaping fixture and heat shaping method in quenching process of metal material seal ring
01/18/2012CN102321795A Heat treatment method for high ferrochrome roll requiring stepped hardness of roll body
01/18/2012CN102321794A Inner gear ring roller path intermediate frequency hardening mould
01/18/2012CN102321789A Combined spray pipe for cooling plate
01/18/2012CN102321788A Oil-quenching and air-cooling vacuum furnace
01/18/2012CN102321787A Oil quenching gas-cooled vacuum furnace
01/18/2012CN102321786A Pipe rotating device
01/18/2012CN102319897A Manufacturing method of spray formed high-vanadium high-speed steel composite roller
01/18/2012CN102319851A Cold precision forging technique for Z type contacts
01/18/2012CN102319763A Processing method of phi 2.10mmHT tempered bead wire
01/18/2012CN101899553B Heat treatment technology and device of wear-resistant alloy cast steel
01/18/2012CN101899552B Heat treatment equipment of antifriction alloy cast steel
01/18/2012CN101818309B Manufacturing method of air bottle steel
01/12/2012WO2012005076A1 High frequency heating coil
01/12/2012US20120006450 Zinc diffusion coating method
01/12/2012DE112008003893T5 Anordnung für Führungselemente einer Hochfrequenzinduktionsspule Arrangement for implementing elements of a high frequency induction coil
01/11/2012EP2405028A2 Method of heat treatment for steel, method of producing mechanical component, and mechanical component
01/11/2012EP2404636A1 Core for guide wire and method of producing same
01/11/2012EP2403667A1 Method and installation for producing and/or processing a slab or a strip of metallic material
01/11/2012EP2012033B1 Method of producing a bearing outer ring
01/11/2012CN202107744U Annealing furnace band steel cooling device
01/11/2012CN202107742U Special tool for rapidly rectifying deviation of strip steel
01/11/2012CN202107740U Lifting tool for carburizing and quenching large gear
01/11/2012CN202107739U Long-shaft part intermediate-frequency induction quenching driving device
01/11/2012CN202107738U Supporting ring of slowing cool barrel for casting train wheel
01/11/2012CN202107737U Heat treatment device for special-shaped drill rod with non-through hole at end part
01/11/2012CN202107736U Heat treatment device for special-shaped drill rod
01/11/2012CN202107733U Quenching device for abnormal drill stem with external arc
01/11/2012CN202107732U Workpiece rotation control system for numerical control quenching machine tool
01/11/2012CN202107731U Wind direction adjusting device for high- pressure gas quenching furnace
01/11/2012CN202107730U Bearing steel continuous isothermal spheroidizing annealing furnace
01/11/2012CN202107729U Bogie type isothermal normalizing line
01/11/2012CN202107728U Energy saving type annealing furnace
01/11/2012CN102317490A Carburized steel part
01/11/2012CN102317001A Method for producing a press-quenched metal component
01/11/2012CN102312241A Suspension device for gearshaft carburizing and quenching
01/11/2012CN102312172A B3R hot work die steel with high strength and toughness and resistance to tempering, and preparation process thereof
01/11/2012CN102312168A Prehardening plastic die steel plate and manufacture method thereof
01/11/2012CN102312161A Manufacturing method of seamless steel tube
01/11/2012CN102312159A Heat treatment process of martensite wear-resistant cast steel
01/11/2012CN102312157A Cold-rolled TRIP steel at over 1000 MPa and preparation method thereof
01/11/2012CN102312078A Heat treatment furnace with movable furnace cover
01/11/2012CN102312076A Device for quenching of elongated steel wire
01/11/2012CN102312074A Pipeline inductive on-line heat treatment method