Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
01/2010
01/20/2010CN100582254C Process for producing high-strength spring
01/19/2010US7648600 Heat treating device and heat treating method
01/14/2010WO2010005362A1 A method for manufacturing a steel component, a weld seam, a welded steel component, and a bearing component
01/14/2010WO2010005121A1 Aluminum-plated steel sheet for hot pressing with rapid heating, process for producing same, and method of hot-pressing same with rapid heating
01/14/2010US20100006190 Process for producing bend pipe for line pipe and bend pipe for line pipe
01/14/2010DE112007003040T5 Verfahren zur Herstellung einer Glas-Giessform A method for producing a glass mold
01/14/2010CA2729942A1 Aluminum plated steel sheet for rapid heating hot-stamping, production method of the same and rapid heating hot-stamping method by using this steel sheet
01/13/2010EP2143817A2 A seamless steel tube for work-over riser and method of manufacturing
01/13/2010EP2143816A1 Hot-dip metal coated high-strength steel sheet for press working excellent in low-temperature toughness and process for production thereof
01/13/2010EP2143808A1 Partial hot forming and hardening with infrared lamp heating
01/13/2010EP2142332A1 Seam-welded 36 ni-fe alloy structures and methods of making and using same
01/13/2010CN201383384Y Fine wire drawing machine with continuous annealing device
01/13/2010CN201383383Y Wire drawing machine with continuous annealing and preheating
01/13/2010CN201382696Y Device for replacing hydraulic cylinder on bottom of heating furnace
01/13/2010CN201381354Y Billet heating furnace
01/13/2010CN201381353Y Waste gas remaining heat reusing annealing furnace
01/13/2010CN201381351Y Controlling system for wind power gear induction quenching machine tool
01/13/2010CN201381350Y Sorbite heat treatment equipment using water quenching to replace lead quenching for bead wire semi-finished products
01/13/2010CN201381349Y Overhead water tank for steel pipe quenching device
01/13/2010CN201381348Y Electrode clamping positioning device for automobile stabilizer bar
01/13/2010CN201381347Y Stepping heat-treatment quenching and tempering production line for petroleum drill pipes
01/13/2010CN201381346Y Combination-type track backfire device
01/13/2010CN101624645A Thermal treatment method for thinning weld metal structure
01/13/2010CN101624644A Saw blade high frequency annealing method
01/13/2010CN100580125C High-strength micro-alloy low-carbon bainite steel and production method thereof
01/13/2010CN100580120C Ferritic stainless-steel sheet with excellent corrosion resistance and process for producing the same
01/12/2010US7645417 Method and device for cooling a steel strip
01/12/2010CA2496212C High strength cold rolled steel sheet and method for manufacturing the same
01/12/2010CA2435938C High-strength isotropic steel, method for making steel plates and resulting plates
01/07/2010WO2010002269A1 In-line weld seam heat treatment method and apparatus with internal selective heating of the welded joint
01/07/2010WO2010001223A1 Continuous production system for magnetic processing of metals and alloys to tailor next generation materials
01/07/2010WO2010000222A1 Steel component having a particularly stress-resistant surface and method for the production thereof
01/07/2010US20100003535 High strength thick welded steel pipe for line pipe superior in low temperature toughness and method of production of the same
01/07/2010US20100000633 Bake-hardening hot-rolled steel sheet with excellent workability and method for manufacturing the same
01/06/2010EP2141252A1 Method and device for improving residual stress in pipe body
01/06/2010EP2140950A1 Cold-finished seamless steel pipe for integrally molded drive shaft, drive shaft using the pipe, and method for manufacturing the cold-finished seamless steel pipe
01/06/2010EP2139628A2 Vertical heat treatment system
01/06/2010EP2049300B1 Method for producing a corrosion-resistant, workable sheet metal with full-surface coating of the joined, thermally treated steel sheets
01/06/2010CN201376992Y Novel bell-type furnace convection plate
01/06/2010CN201376991Y Spray-blowing type electric-heating aluminum coiled material annealing furnace
01/06/2010CN201376990Y Observation hole of annealing furnace
01/06/2010CN201376989Y Stainless steel tube furnace gas protection device and steel tube furnace thereof
01/06/2010CN201376988Y Continuous annealing device of copper alloy flat wires
01/06/2010CN201376987Y Large-scale wafer diathermal U-shaped intermediate frequency quenching inductor
01/06/2010CN201376986Y Single-tooth high-frequency deep-quench hardened-layer quenching sensor
01/06/2010CN201376985Y Control system of induction quenching machine tool of automobile half shaft
01/06/2010CN201376984Y Crankshaft type workpiece quenching device
01/06/2010CN201376982Y Servo tracking system of induction quenching machine tool of rotating disc bearing raceway
01/06/2010CN201376981Y Quenching device capable of simultaneous scanning at three sides
01/06/2010CN201376980Y Arc-shaped step-type double-circle high-frequency quenching device
01/06/2010CN201376978Y Annealing guide wheel for forming copper alloy flat wires
01/06/2010CN201376977Y Trolley-type assembly annealing furnace
01/06/2010CN201376190Y Forming device of copper alloy flat wires
01/06/2010CN101619385A Improved double-layer material frame for heat treatment of vertical furnace
01/06/2010CN101619384A Method for automatic jump steel reheating of walking beam of stepping type heating furnace
01/06/2010CN100577841C Austenitic stainless steel sheet excellent in color tone of surface and method for manufacturing same
01/06/2010CN100577839C Method for manufacturing 590MPa stage low yield ratio low carbon equivalent weight steel plate for building
01/06/2010CN100577827C Atmosphere control method during continuous heat treatment of metal strips
01/06/2010CN100577826C Direct combustion type metallic tube bright heat treatment method
01/06/2010CN100577825C Direct combustion type metallic tube bright heat treatment furnace
01/06/2010CN100577346C Method for manufacturing handle and handle joint of metal hinged capping beam by metal waste
01/06/2010CN100577344C Active mesothermal copper base solder, and preparation method thereof
01/05/2010US7641850 Net shaping gear teeth for high performance automotive power transmission; heating above critical temperature and quenching faster than critical cooling rate; rolling between opposed dies having profiled surfaces for densification, plastic deformation and strengthening; cooling to harden
01/05/2010US7641747 Rolling member and producing method thereof
01/05/2010US7641746 Heating sufficient to arrest cooling of castings at or above process control temperature for metal; heat treatment
01/05/2010US7641742 Carbonitriding or nitriding at 810-950 degrees C. a part formed of a steel containing 0.8-1.5 wt % of carbon, 0.4-1.2 wt % of silicon, 0.8-1.5 wt % of manganese, and 0.5-1.8 wt % of chromium, the steel having a position exhibiting HRC50 in a hardenability test; dimensional stability
12/2009
12/31/2009US20090320970 Salvage process for spring elements
12/31/2009US20090320966 without cracking base; gas turbine blades
12/31/2009US20090320965 UOE steel pipe excellent in collapse strength and method of production thereof
12/31/2009DE102008029249A1 Verfahren zur Herstellung von Lochsägen Process for the preparation of hole saws
12/31/2009DE102008028592B3 Cooling device comprises a vapor barrier for a continuous heat treatment system for heat treatment of tape material, and a gas tightly surrounding duct arranged in oven exit and guided up to the surface of a coolant to environment
12/30/2009EP2138719A1 Swash plate type piston pump motor and method for manufacturing the same
12/30/2009EP2138599A1 High-strength hot-dip galvanized steel sheet and method for producing the same
12/30/2009EP2138596A1 Steel sheet for use in can, and method for production thereof
12/30/2009EP2138591A1 Use of a treatment process on coffee mills and coffee mill thus treated
12/30/2009EP2137328A2 Method and device for the industrial thermal treatment of elongated mechanical parts
12/30/2009EP2137327A1 Steel for tool-less hot forming or quenching with improved ductility
12/30/2009CN201373066Y Martensitic stainless steel chain
12/30/2009CN201372304Y Annealing device for skinned wire of enameling machine
12/30/2009CN201372303Y Box-type bogie-hearth furnace electrode elastic flexible joint
12/30/2009CN201372299Y Heat treatment device for producing galvanized iron wires
12/30/2009CN201372125Y Automatic pipe unloading device
12/30/2009CN201371360Y Heat treating device used for closed mould heading machine
12/30/2009CN101613794A Same-tooth positioning device with single gear tooth continuous induction quenching
12/30/2009CN101613793A Processing method for hardening pipe walls of steel pipe and elbow
12/30/2009CN101613792A Technical method for on-line medium frequency induction heat treatment of oil pipes
12/30/2009CN101613791A Quenching process for diaphragm
12/30/2009CN100575846C Supporting device for articles to be fired that has an elastic support for fixing
12/30/2009CN100575528C Cobalt-less multi-element high speed tool steel and its manufacturing method
12/30/2009CN100575506C Low-alloy bainite ductile iron oil quenching isothermal tempering heat treatment process
12/30/2009CN100575013C Composite utility knife blade, and method of making such a blade
12/30/2009CN100574921C High-strength part and process for producing the same
12/30/2009CN100574910C Centrifugal casting for semi-steel/graphite steel composite roll collar and its preparation method
12/29/2009US7638005 quenching processes; cooling the inner circumferential surface with a cooling medium; heat exchanging; prevent degradation of the quenching jigs; use in construction machines; wear resistance and impact fatigue resistance; low cost production
12/29/2009CA2414099C Method and apparatus for flexible manufacturing a discrete curved product from feed stock
12/24/2009US20090315228 Method and device for cooling and stabilizing strip in a continuous line
12/24/2009US20090314396 Method for efficient heat treatment of steel
12/24/2009US20090314393 Restoration of the metallurgical structure of the airfoil portion of the turbine blade to that which approximates the microstructure of a new-make blade, typically an as-cast microstructure, without disturbing the microstructure of the blade below the blade platform;precipitation-hardening
12/24/2009DE102008028113A1 Device for regulating and controlling the band tension in a band device comprises adjusting and changing the force exerted on the band by a dancer roller in an electromagnetic path
12/23/2009WO2009154245A1 Ni-BASE ALLOY-HIGH CHROMIUM STEEL STRUCTURE AND PROCESS FOR PRODUCING THE NI-BASE ALLOY-HIGH CHROMIUM STEEL STRUCTURE