Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
12/2009
12/23/2009WO2009121326A3 Industrial furnace and method for operating an industrial furnace
12/23/2009EP2135966A1 Pearlite steel rail of high internal hardness type excellent in wear resistance and fatigue failure resistance and process for production of the same
12/23/2009EP2135963A1 Process for manufacturing martensite stainless steel pipe
12/23/2009EP2135702A1 Residual stress improving device of tubular body
12/23/2009EP2134879A2 Method for producing a crankshaft, in particular for diesel engines
12/23/2009EP1937430B1 Strand guide reel
12/23/2009CN201367455Y Billet heating device
12/23/2009CN201367454Y Discharging furnace door opening and closing device on rolled steel heating furnace side
12/23/2009CN201367453Y Mixed coal gas filtering device of galvanization annealing furnace
12/23/2009CN201367452Y Quenching cooling device for steel wire or steel bar
12/23/2009CN201367451Y Guiding device for transmission of belt materials
12/23/2009CN201367450Y Quenching press used for treating thin plate workpieces
12/23/2009CN201367449Y Plate unrestraint spray quenching machine tool
12/23/2009CN201367448Y Shaft-type scanning inductor
12/23/2009CN201367447Y Spray cooling device for metal materials
12/23/2009CN101611162A Ferritic stainless steel for exhaust gas passage member
12/23/2009CN101611159A Continuous annealing equipment
12/23/2009CN101611158A Iron core annealing furnace
12/23/2009CN101608289A Method for preprocessing alloy material used for manufacturing sound film of loudspeaker
12/23/2009CN101608282A Drill rod material steel pipe resisting low temperature of -40 to -60 DEG C and manufacturing method thereof
12/23/2009CN101608253A Steel bottle positioning device
12/23/2009CN101608252A 2Cr13 heat treatment process
12/23/2009CN101607360A Mass production method for ultra-fine bonding gold wire
12/23/2009CN101607262A Production technology procedures for steel rolling
12/23/2009CN100572743C Continuous expansion tube
12/23/2009CN100572568C Method and apparatus for limiting the vibration of steel or aluminum strips in a blown-gas or -air cooling zones
12/23/2009CN100572567C Method for thermally treating a component consisting of a fully hardenable, heat-resistant steel and a component made of said steel
12/23/2009CN100572566C Toothed wheel rotation-heating apparatus
12/22/2009CA2573224C High-strength quenched formed body with good corrosion resistance and process for producing the same
12/22/2009CA2497760C A machinable austempered cast iron article having improved machinability, fatigue performance, and resistance to environmental cracking and a method of making the same
12/17/2009WO2009150928A1 Ball for constant velocity joint and method for producing the same
12/17/2009WO2009150868A1 Hearth roll having excellent mn build-up resistance, thermal shock resistance and wear resistance, and thermal spraying material for the same
12/17/2009WO2009150867A1 Thermal spraying material and hearth roll
12/17/2009WO2009149903A1 Process for the high-temperature annealing of grain-oriented magnetic steel strip in an inert gas atmosphere in a heat treatment furnace
12/17/2009WO2008125964A8 Method for producing a crankshaft, in particular for diesel engines
12/17/2009US20090312720 Post Laser Drilling Stress Relief of Surgical Needles Made of Refractory Alloys
12/17/2009US20090308503 Rod or wire manufacturing system, related methods, and related products
12/17/2009US20090308502 Process for obtaining a pipe for supplying fuel to an internal combustion engine
12/17/2009DE102008018889A1 Furnace for heating aluminum strands, comprises a burner nozzle for the combustion of an air-fuel mixture in a combustion chamber, a lambda probe for analysis of flue gas composition, and a transporting means
12/16/2009EP2133443A1 Low alloy steel for the pipe for oil well use and seamless steel pipe
12/16/2009EP2133442A1 Low-alloy steel, seamless steel pipe for oil well, and process for producing seamless steel pipe
12/16/2009EP2133441A1 High-strength hot-rolled steel plate excellent in low-temperature toughness for spiral pipe and process for producing the same
12/16/2009EP2133440A1 Ferritic stainless steel for warm-water vessel with welded structure, and warm-water vessel
12/16/2009EP2133436A1 Method of continuous annealing for steel strip with curie point and continuous annealing apparatus therefor
12/16/2009EP2133435A1 Jig for vacuum heat treatment and method of vacuum heat treatment
12/16/2009CN201362739Y Metallic titanium coiled material vacuum thermal treatment furnace
12/16/2009CN201362737Y Annealing device of precious metal alloy wire
12/16/2009CN201362736Y After-forging heat-preservation guard shield of 2000T quick-forging press
12/16/2009CN201362734Y Interior temperature meausirng device for heat-treatment heating furnace
12/16/2009CN201362733Y Medium high frequency continuous heat processing device of sucker rods
12/16/2009CN201362731Y Car bottom type heat treatment furnace car bottom sealing structure
12/16/2009CN101605915A Drain apparatus
12/16/2009CN101603164A Vacuum annealing method for tantalum tube
12/16/2009CN101603158A Large-diameter centrifugal casting furnace roller
12/16/2009CN101603156A Manufacture method for manufacturing cantilever steel pipe with high strength and high toughness by using hot-rolling coiled plate
12/16/2009CN101602098A Gradient centrifugal casting process for large-diameter furnace rollers
12/16/2009CN101602079A Method for manufacturing wear-resistant steel pipe by using hot-rolling coiled plate
12/16/2009CN100570298C Thermocouple unit of casting ingot heating stove for measuring aluminum ingot temperature
12/16/2009CN100570167C Machine element and method for manufacture thereof
12/16/2009CN100570164C Wind energy generating plant special-purpose steel ball manufacturing process
12/16/2009CN100570005C Carburizing technique for medium carbon steel cold rolled bearing case loop
12/16/2009CN100569980C Sieve plate for sorting middle high manganese steel stone material and its making method
12/16/2009CN100569432C Technique for producing circle quenching roller
12/16/2009CN100569404C Method of rolled high niobium pipeline steel
12/15/2009US7632363 Method for refurbishing a service-degraded component of a gas turbine
12/15/2009US7632053 Method for the production of a screw, and screw produced according to said method
12/15/2009US7631428 Rack and pinion steering apparatus and method of manufacturing rack shaft
12/15/2009CA2537506C Post weld heat treatment for chemically stabilized austenitic stainless steel
12/15/2009CA2486352C Hard metallic materials, hard metallic coatings, methods of processing metallic materials and methods of producing metallic coatings
12/15/2009CA2480651C Bulk steel for the production of injection moulds for plastic material or for the production of pieces for working metals
12/15/2009CA2441720C Highly impact-resistant steel pipe and method for producing the same
12/15/2009CA2377398C Use of a stainless steel for umbilicals in seawaters
12/10/2009US20090301613 Low Yield Ratio Dual Phase Steel Linepipe with Superior Strain Aging Resistance
12/09/2009EP2130938A1 High-strength hot rolled steel sheet being free from peeling and excelling in surface and burring properties and process for manufacturing the same
12/09/2009CN201358287Y System for regulating clearance between stable induction coil and surface of steel pipe
12/09/2009CN201358286Y Safety device for preventing foreign body from blocking
12/09/2009CN201358285Y Strong convection high pressure fan of all-hydrogen cover type furnace
12/09/2009CN201358284Y Strip steel temperature measurement roller for continuous annealing furnace
12/09/2009CN201358283Y Heat-resistant stainless steel tube furnace for steel wire heat treatment
12/09/2009CN201358282Y High-efficiency and energy-saving annealing furnace
12/09/2009CN201358281Y Wire drawing and annealing integrative machine
12/09/2009CN201358280Y Workbench used for local tempering of shaft components
12/09/2009CN201358279Y Non-crystallization processing device on the surface of rotary part
12/09/2009CN201358278Y Oblique principal angle type ring induction quenching machine
12/09/2009CN201358277Y Horizontal plasma device for processing inner surface of large-scale cylindrical metal
12/09/2009CN101598172A Eccentric shaft and manufacturing method thereof
12/09/2009CN101597715A Iron-based high-temperature alloy material for guide roller and preparation method thereof
12/09/2009CN101597685A Energy-saving type continuous annealing furnace
12/09/2009CN101597684A Heat treatment method of guide plate
12/09/2009CN101597683A Method for processing wear resistance steel medium alloy lining board
12/09/2009CN101597682A Process for ultrafining heat-treatment on crystal grains of axle steel
12/09/2009CN101597681A Process for heat-treatment on spring steel product for high-speed heavy-load trains
12/09/2009CN101597680A Process for quenching-distribution heat treatment on 60Si2CrVA steel spring for trains
12/09/2009CN101597679A Process for quenching-isothermal heat treatment on 50CrVA steel spring for high-speed heavy loading locomotive
12/09/2009CN101597678A Method for processing wear resistance steel medium alloy lining board
12/09/2009CN101597671A Full digital control one-drive-two roll automatic double frequency quenching method and system
12/09/2009CN101596551A Binary alloy coating seamless steel tube top and manufacture method thereof
12/09/2009CN100567521C Horizontal continuous unmuffled light annealing equipment of stainless steel band
12/09/2009CN100567520C Alloy spring steel ultra-fine martensite heat treatment quenching strengthening process
12/09/2009CN100567519C Technique for producing deep-drawing cold-rolled plate based on CSP technique