Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
11/2013
11/06/2013CN102414334B Cold-rolled steel sheet with excellent formability, shape retentivity, and surface appearance and process for producing same
11/06/2013CN102382971B Metal ring transporting rack and metal ring loading method
11/06/2013CN102343504B Manufacturing method of bimetal cylinder
11/06/2013CN102242250B Device and method for eliminating welding stress of steel pipe ring beam by mechanical vibration
11/06/2013CN102112643B Thick, high tensile-strength hot-rolled steel sheets with excellent low temperature toughness and manufacturing method therefor
11/06/2013CN102066599B High-strength ultra-fine steel wire and manufacturing method therefor
11/06/2013CN102010968B Device for hardening rails
11/06/2013CN102007226B High-strength non-oriented magnetic steel sheet and process for producing the high-strength non-oriented magnetic steel sheet
11/06/2013CN102002639B Dual phase steel sheet and method of manufacturing the same
11/06/2013CN101439350B Method for producing seamless steel pipe for producing gas cylinder with heavy caliber for hauled vehicle
11/06/2013CN101120114B High-strength cold-rolled steel sheet excellent in coating adhesion, workability and hydrogen embrittlement resistance, and steel component for automobile
10/2013
10/31/2013WO2013161831A1 Method for producing galvanized steel sheet for hot stamping, alloyed hot-dipped galvanized steel sheet for hot stamping and method for producing same, and hot stamped component
10/31/2013WO2013161794A1 Rail
10/31/2013WO2013161775A1 Rolling bearing
10/31/2013WO2013161567A1 Seamless steel pipe and method for manufacturing same
10/31/2013WO2013161548A1 Steel for vehicle wheel
10/31/2013WO2013161231A1 High-strength steel sheet and process for producing same
10/31/2013WO2013161026A1 Pearlite rail, flash butt welding method for pearlite rail, and method for manufacturing pearlite rail
10/31/2013WO2013160938A1 High strength cold-rolled steel plate of excellent ductility and manufacturing method therefor
10/31/2013WO2013160928A1 High-strength steel sheet and method for manufacturing same
10/30/2013EP2655677A1 Process and plant for continuously manufacturing a steel wire
10/30/2013EP2655676A1 Screw made of low-alloy carbon steel, and method for producing such a screw
10/30/2013EP2655675A2 Method for producing hardened structural elements
10/30/2013EP2655674A2 Method for forming and hardening coated steel sheets
10/30/2013EP2655673A2 Method for producing hardened structural elements
10/30/2013EP2655672A2 Method for producing hardened components with regions of different hardness and/or ductility
10/30/2013CN203256313U Stepping heating furnace steel charging and discharging machine synchronous control system
10/30/2013CN203256312U Bluing steel belt cooling device and system
10/30/2013CN203256311U Rapid cooling device of easy-to-oxidize wiredrawn metal
10/30/2013CN203256310U Detachable device capable of eliminating welding stress quickly
10/30/2013CN203256309U Oil-controlling and air-cooling device for wear-resisting ball
10/30/2013CN203256308U Automatic regulating device for thermal treatment of guide wheel of excavator
10/30/2013CN203256307U 车轮淬火架 Wheel quenching frame
10/30/2013CN203256306U Straight pipe workpiece thermal treatment device
10/30/2013CN203256305U Steel forging heat treatment trolley furnace
10/30/2013CN203256304U Quenching self tempering special equipment of octagonal hammer head
10/30/2013CN203256302U Metal roof bar suspension device
10/30/2013CN103380346A Method for controlling a protective gas atmosphere in a protective gas chamber for the treatment of a metal strip
10/30/2013CN103376739A Control device of continuous annealing furnace pressure alarming and method thereof
10/30/2013CN103375989A Novel power connection device for bell-type furnace
10/30/2013CN103374651A Thermal treatment method of steel coils by utilizing hot rolling residual temperature
10/30/2013CN103374650A Integral thermal treatment method for large 6CrW2SiMoV bearing roller
10/30/2013CN103374649A Feedstock conveying device of stainless steel solid melting furnace
10/30/2013CN103374648A Heat energy recycling device of stainless steel solid melting furnace
10/30/2013CN103374647A Machining operation stay bar for surface coloration of spiral expansion spring of piston ring
10/30/2013CN103374646A Adjustable nozzle of end face injection type aluminum roll annealing furnace
10/30/2013CN103374645A Processing technology for rotor shaft of turbocharger
10/30/2013CN103374644A Inducing conductor processing technique for high-frequency quenching on complicated surface
10/30/2013CN103373629A Positioning and cleaning device for transmitting steel belt
10/30/2013CN102758069B Bearing propelled stirring quenching device
10/30/2013CN102747216B Method for controlling steel slab gap in heating furnace
10/30/2013CN102747212B System and method for optimizing heat buckling in strip steel furnace
10/30/2013CN102676780B Hardening and tempering technology of alloy-steel tube
10/30/2013CN102560081B Heating furnace energy-saving control method based on strip steel mechanical property forecasting model
10/30/2013CN102553978B 淬火矫直机 Quenching leveler
10/30/2013CN102534176B Waste heat recovery device for steel strip heat treatment
10/30/2013CN102527780B Quenching and straightening integrated machine for steel billets
10/30/2013CN102373374B High strength sulfur resisting casing pipe and its heat treatment manufacturing method
10/30/2013CN102321796B Heat shaping fixture and heat shaping method in quenching process of metal material seal ring
10/30/2013CN102282274B Continuous annealing furnace
10/30/2013CN102203313B Alloyed hot-dip galvanized steel sheet and method for producing same
10/29/2013CA2755389C High-strength hot-dip galvanized steel sheet and method for producing same
10/29/2013CA2715320C Cooling system and cooling method of rolling steel
10/24/2013WO2013157600A1 Steel foil and method for producing same
10/24/2013WO2013157598A1 Steel foil and method for producing same
10/24/2013WO2013157579A1 Nitrided steel member and process for producing same
10/24/2013WO2013157222A1 High-strength hot-dip galvanized steel sheet and process for producing same
10/24/2013WO2013157146A1 Method for producing alloyed hot-dip galvanized steel sheet having excellent adhesion to plating and excellent sliding properties
10/24/2013WO2013156091A1 Steel Alloy
10/24/2013US20130277897 Steel wire tempering liquid wiping device
10/24/2013US20130277896 Process and installation for heating a metallic strip, notably for an annealing
10/24/2013DE112012000489T5 Verbundstahlteil und Herstellungsverfahren dafür Composite steel part and manufacturing method thereof
10/24/2013DE112012000484T5 Stalzahnrad und Herstellungsverfahren dafür Stalzahnrad and production method thereof
10/24/2013DE112011103980T5 Verfahren zur Verbesserung der Ermüdungsfestigkeit von Gusseisenmaterial A method for improving the fatigue strength of cast iron Material
10/23/2013EP2653582A1 Hot-dip zinc-plated steel sheet and process for production thereof
10/23/2013EP2653572A1 Method for continuously annealing steel strip and hot-dip galvanization method
10/23/2013EP2653571A2 Inductor for inductive heating of elongated metallic workpieces
10/23/2013EP2653570A1 Spray unit for quenching metal workpieces in inductive hardening
10/23/2013EP2653569A1 High-carbon chromium bearing steel, and process for production thereof
10/23/2013EP2652160A1 Heating device
10/23/2013CN203247296U Zinc ash removal device
10/23/2013CN203247292U Vacuumizing and heating device for insulated pipe
10/23/2013CN203247291U Heat treatment device for tubular workpieces
10/23/2013CN103361584A Copper wire quenching unit
10/23/2013CN103361570A Martensite stainless steel annular forging and heat treatment technology thereof
10/23/2013CN103361564A Super duplex stainless steel seamless steel tube and preparation method
10/23/2013CN103361479A Steel wire quenching equipment
10/23/2013CN103361478A Automatic discharging device of diaphragm spring quenching line
10/23/2013CN103361477A Escalator chain plate heat treatment method
10/23/2013CN103361476A High-frequency heat treating machine
10/23/2013CN103361473A Thermal treatment method for preventing stainless steel from being sensitized in water chamber of high-pressure heater
10/23/2013CN103361471A Method for reducing strip breakage of oriented silicon steel intermediate annealing
10/23/2013CN103358100A Forging and molding process method for titanium alloy tubular piece
10/23/2013CN103357980A Preparing method of metal honeycomb energy absorption core material
10/23/2013CN103357695A Processing method for flat wire used for tensioning wheel of engine
10/23/2013CN102676776B Furnace door adjusting mechanism of car-type heat treating furnace
10/23/2013CN102564121B Spinning furnace
10/23/2013CN102560063B Automatic conveying device for heat treatment of aluminum alloy hub
10/23/2013CN102421927B Steel for nitrocarburization, nitrocarburized components, and production method for same
10/23/2013CN102304607B Cam rotary scanning induction quenching device
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