Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
09/2012
09/19/2012CN202440535U Device for counting heating time of heat treatment furnace
09/19/2012CN202440534U Quenching and feeding fixture device of fastening member product
09/19/2012CN1860249B High-yield-ratio high-strength thin steel sheet and high-yield-ratio high-strength hot-dip galvanized thin steel sheet excelling in weldability and ductility as well as high-yield-ratio high-strength alloyed hot-dip galvanized thin steel sheet and manufacture method thereof
09/19/2012CN102686965A Equipment and method for preheating a continuously moving steel strip
09/19/2012CN102686759A Steel for machine structural use, manufacturing method for same, case hardened steel components, and manufacturing method for same
09/19/2012CN102686753A High hardness, high toughness iron-base alloys and methods for making same
09/19/2012CN102686752A Method for producing laminated ring
09/19/2012CN102686751A Process to manufacture grain-oriented electrical steel strip and grain-oriented electrical steel produced thereby
09/19/2012CN102686749A Hot rolling mill and method for hot rolling a metal strip or sheet
09/19/2012CN102676946A Segmented hardness low-alloy steel hammer head and manufacturing method thereof
09/19/2012CN102676917A Preparation method of cold-rolled sheet for flux-cored wire
09/19/2012CN102676792A Expansion method for plate blank heat-preserving pit
09/19/2012CN102676791A Steel wire induction heating treatment device and method, tire steel cord and silicon chip cutting wire
09/19/2012CN102676790A Three-roller type roller stabilizing device in stainless steel bright annealing furnace
09/19/2012CN102676789A Split steel band heating furnace without muffle tube
09/19/2012CN102676788A Energy-saving type roller hearth continuous bright normalizing annealing furnace
09/19/2012CN102676787A Sheet metal quenching device
09/19/2012CN102676786A Heating apparatus, heat treatment apparatus, and heating method
09/19/2012CN102676785A Induction hardening process capable of hardening hard-alloy cast iron camshaft
09/19/2012CN102676784A Stagger crankshaft connecting rod neck quenching method based on KWH (Kilowatt Hour) semiautomatic quenching machine tool
09/19/2012CN102676783A Machining process for controlling carburizing and quenching deformation of cross shaft
09/19/2012CN102676782A Thermal treatment process of copper tube perforation needle
09/19/2012CN102676781A Heat treatment method for mechanical seal wave plate material of corrugated pipe for high-temperature pump
09/19/2012CN102676780A Hardening and tempering technology of alloy-steel tube
09/19/2012CN102676779A Multiplex heat treatment technology of hanging plate spring of motor of high-speed locomotive
09/19/2012CN102676778A Strengthening and toughening thermal treatment method for hot-forging die of wearing plate
09/19/2012CN102676777A Driven chain wheel mechanism of car-bottom type heat treating furnace
09/19/2012CN102676776A Furnace door adjusting mechanism of car-type heat treating furnace
09/19/2012CN102676775A Furnace door structure for bogie hearth type heat treatment furnace
09/19/2012CN102676774A Furnace door frame sealing structure of car-type heat treating furnace
09/19/2012CN102676773A Supporting seat of power transmission mechanism of car-type heat treating furnace
09/19/2012CN102676772A Furnace door sealing structure of car-type heat treating furnace
09/19/2012CN102676771A Driving chain wheel mechanism of car-type heat treating furnace
09/19/2012CN102676770A Furnace mouth protective plate for car-type heat treating furnace
09/19/2012CN102676769A Car-type heat treating furnace
09/19/2012CN102676768A Fault-tolerant control method and system for material tracking system
09/19/2012CN102676764A Medium frequency induction quenching device and method for circumferential surface of roller
09/19/2012CN102676762A Spheroidizing annealing furnace and annealing process for steel wire
09/19/2012CN102676759A Method for producing structure-level galvanized product with pressure of 390 to 500 MPa through controlling annealing temperature
09/19/2012CN102676757A Annealing process of amorphous alloy transformer core
09/19/2012CN102676753A Thermal treatment method for railway wagon sliding chute wearing plate and side frame column wearing plate
09/19/2012CN102676749A Laser heat treatment hardening method for steel pipe cast iron roll surface
09/19/2012CN102672276A Short-process plastic processing method for prolonging service life of saw blade
09/19/2012CN102672186A Manufacturing process for gear ring in powder metallurgy
09/19/2012CN102672185A Process for manufacturing high-precision gear ring from powder metallurgy
09/19/2012CN102672183A Method for producing bevel gear with ratchet on end face through powder metallurgy warm forming
09/19/2012CN102672182A Process utilizing powder metallurgy to manufacture gear output shaft
09/19/2012CN102672181A Production process of powder metallurgy products
09/19/2012CN102672180A Powdery metallurgical finished product process
09/19/2012CN102672179A Production technique of powder metallurgy product
09/19/2012CN102199700B Heat treatment method for special drilling rod with non-through hole in end part and device
09/19/2012CN102181624B Vertical rotary heating furnace of main shaft steel ingot for wind driven generator
09/19/2012CN102168164B Quenching method and quenching device for abnormal drill stem with outer arc
09/19/2012CN102127624B Cryogenic treatment method and device for steel wire for cutting solar cell silicon chip
09/19/2012CN102051470B Cooler for continuous annealing furnace
09/19/2012CN101885615B C-Si-N silicon steel hearth roller sleeve and manufacture method thereof
09/19/2012CN101878316B Hearth roll for continuous annealing furnace and process for production of the same
09/19/2012CN101855370B Method of heat-treating steel, process for producing machine part, and machine part
09/19/2012CN101654757B Coated semi-processed non-oriented electrical steel sheet and manufacturing method thereof
09/19/2012CN101490295B High-strength steel sheet excellent in stretch flangeability and fatigue property
09/18/2012CA2540762C High yield ratio and high-strength thin steel sheet superior in weldability and ductility, high-yield ratio high-strength hot-dip galvanized thin steel sheet, high-yield ratio high-strength hot-dip galvannealed thin steel sheet, and methods of production of same
09/13/2012WO2012121399A1 Steel sheet for hot pressing, and process for producing hot-pressed member utilizing same
09/13/2012WO2012121219A1 Hot rolled steel sheet and method for producing same
09/13/2012WO2012121115A1 Spring and manufacturing method thereof
09/13/2012WO2012120692A1 Steel sheets for hot stamping, method for manufacturing same, and method for manufacturing high-strength parts
09/13/2012WO2012120123A1 Furnace system for the controlled heat treatment of sheet metal components
09/13/2012WO2012120020A1 Process for producing high strength formable steel and high strength formable steel produced therewith
09/13/2012WO2012119925A1 Hot-work tool steel and a process for making a hot-work tool steel
09/13/2012WO2012119676A1 Process for the heat treatment of welding seams on power station and plant components
09/13/2012US20120227872 Ultra-high-strength steel wire having excellent resistance to delayed fracture and manufacturing method thereof
09/13/2012US20120227546 Solid state processing of hand-held knife blades to improve blade performance
09/13/2012US20120227460 System and method for annealing of a pre-formed panel
09/13/2012CA2829032A1 Steel sheet for hot stamping use, method of production of same, and method of production of high strength part
09/13/2012CA2828962A1 Hot-work tool steel and a process for making a hot-work tool steel
09/13/2012CA2827065A1 Hot-rolled steel sheet and method of producing the same
09/12/2012EP2497840A1 Oven system for partially heating steel blanks
09/12/2012EP2497839A1 Method for the treatment of steels
09/12/2012EP2496723A1 Seat structural component tailored for strength
09/12/2012EP2496722A1 Process for coating steel strips and coated steel strip
09/12/2012EP2496371A1 Process for producing components having regions of differing ductility
09/12/2012CN202430268U In-furnace feeding positioning device
09/12/2012CN202430267U Temperature measuring device for heat treatment temperature of steel coil in bell-type furnace
09/12/2012CN202430266U Heat-insulation gas-cooled carbon sleeve roll
09/12/2012CN202430265U Stokehole power carrier roller of galvanizing production line
09/12/2012CN202430264U Cooling device for silicon steel coating line
09/12/2012CN202430263U Super-modulus rack surface quenching anti-deformation tool
09/12/2012CN202430262U Intermediate-frequency buried oil quenching inductor heated along oblique tooth groove
09/12/2012CN202430261U Annealing furnace for semi-automatic air-conditioning compressor rotor
09/12/2012CN202430260U Severe-convection bell type bright annealing furnace
09/12/2012CN202430257U Internal-expanding type disc hanger
09/12/2012CN202430256U Vacuum annealing furnace
09/12/2012CN102666923A High-strength cold rolled steel sheet and method for producing same
09/12/2012CN102666907A Nitriding process for maraging steel
09/12/2012CN102666901A Hot-rolled steel sheet and cold-rolled steel sheet, and processes for production thereof
09/12/2012CN102665955A Process for producing components having regions of differing ductility
09/12/2012CN102665891A Methods and systems for processing materials, including shape memory materials
09/12/2012CN102661309A Martensite stainless steel anti-theft nut manufactured by anti-crisping quench hardening process
09/12/2012CN102660713A Sectional hardness low-alloy steel hammer head and thermal treatment method thereof
09/12/2012CN102660670A Cooling water circulating and recycling system for normalizing furnace
09/12/2012CN102660669A Cooling water circulation recycling method of normalizing furnace
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