Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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10/22/2013 | US8562767 Method of heat treating a steel bearing component |
10/17/2013 | WO2013154254A1 High carbon hot rolled steel sheet having excellent uniformity and method for manufacturing same |
10/17/2013 | WO2013154129A1 Wire rod, steel wire using same, and billet |
10/17/2013 | WO2013154071A1 Steel sheet suitable as impact absorbing member, and method for manufacturing same |
10/17/2013 | WO2013153819A1 High-strength thick-walled electric-resistance-welded steel pipe having excellent low-temperature toughness, and method for manufacturing same |
10/17/2013 | WO2013153791A1 Method for lowering dew point of ambient gas within annealing furnace, device thereof, and method for producing cold-rolled annealed steel sheet |
10/17/2013 | WO2013153790A1 Device and method for reducing dew point of ambient gas in annealing furnace, and method for producing cold-rolled annealed steel plate |
10/17/2013 | WO2013153114A1 High strength interstitial free low density steel and method for producing said steel |
10/17/2013 | WO2013153012A1 Coiling furnace |
10/17/2013 | US20130270221 Method for improving a patterned perpendicular magnetic recording disk with annealing |
10/16/2013 | EP2650396A1 Steel sheet for bottom covers of aerosol cans and method for producing same |
10/16/2013 | EP2650390A1 Coiling furnace |
10/16/2013 | EP2650389A2 Methods of manufacturing steel tubes for drilling rods with improved mechanical properties, and rods made by the same |
10/16/2013 | EP2650388A1 Device and treatment section for finishing a metal product section by section |
10/16/2013 | EP2650073A1 Complex steel component and production method therefor |
10/16/2013 | CN203238311U Steel billet complete in-furnace detecting device |
10/16/2013 | CN203238310U Inner cover repair bracket of cover type annealing furnace |
10/16/2013 | CN203238309U Oil removing and recycling device for bell-type furnace vacuum-pumping system |
10/16/2013 | CN203238308U Bright annealing furnace |
10/16/2013 | CN203238307U Copper stick heating furnace |
10/16/2013 | CN203238306U Furnace tank for well-type heat treatment furnace |
10/16/2013 | CN203238305U Wind power screw quenching machine transmission gear |
10/16/2013 | CN203238304U Novel track frame resistance furnace control system |
10/16/2013 | CN203238302U Wind power high-strength bolt digitalization medium frequency automatic quenching device |
10/16/2013 | CN203238300U Normalizing system of 37Mn steel seamless industrial gas cylinder |
10/16/2013 | CN103352381A Production method of high-strength steel rope |
10/16/2013 | CN103352191A Copper wire cooling groove |
10/16/2013 | CN103352187A Mg-Mo series Fe-based amorphous alloy ribbon and preparation method thereof |
10/16/2013 | CN103352185A B-Nb-V series Fe-based amorphous alloy ribbon and preparation method thereof |
10/16/2013 | CN103352181A Si-Bi-Mn-Be series Fe-based amorphous alloy ribbon and preparation method thereof |
10/16/2013 | CN103352176A Air-cooling type 80H thermal production well casing based on strain design and production process thereof |
10/16/2013 | CN103352169A Seamless steel pipe for perforating gun barrel body and thermal treatment method of seamless steel pipe |
10/16/2013 | CN103352115A Steel rolling heating furnace |
10/16/2013 | CN103352114A Copper wire cooling groove |
10/16/2013 | CN103352113A Heat-treatment method for 48MnV non quenched and tempered steel crankshaft forging |
10/16/2013 | CN103352112A Cryogenic process for prolonging service life of jet-moulded high-speed steel milling cutter |
10/16/2013 | CN103352111A Heat treatment method for tricone bit claw |
10/16/2013 | CN103352110A Processing technology of medium-wind-pressure percussion bit |
10/16/2013 | CN103352107A Forging-grinding-ball isothermal-control quenching device and method |
10/16/2013 | CN103352106A Surface-hardening treatment method for inner wall of low-carbon steel long cylinder |
10/16/2013 | CN103350272A Process for welding T91 and 12Cr1MoV dissimilar steel |
10/16/2013 | CN103350205A Centrifugal casting method for engine cylinder sleeve |
10/16/2013 | CN103350204A Composite centrifugal casting method of sealing ring |
10/16/2013 | CN103350203A Compound centrifugal casting method for large-scale ring piece |
10/16/2013 | CN103350107A Method of temper rolling of steel strip and process for manufacturing high tensile cold rolled steel sheet |
10/16/2013 | CN102676749B Laser heat treatment hardening method for steel pipe cast iron roll surface |
10/16/2013 | CN102560068B Thin strip annealing device and method for preventing test sample of thin strip from deforming |
10/16/2013 | CN102482741B Metal plate for radiation heating, process for producing same, and processed metal having portion with different strength and process for producing same |
10/16/2013 | CN102471852B High-strength cold-rolled steel sheet and method for producing same |
10/16/2013 | CN102317493B Steel for high-strength vehicle stabilizer with excellent corrosion resistance and low-temperature toughness, and process for the production of same, and stabilizer |
10/16/2013 | CN102234738B Ferrite stainless steel for buildings and preparation method thereof |
10/16/2013 | CN101868558B Rolling element or ring formed from a bearing steel |
10/16/2013 | CN101784691B Heat treating furnace |
10/15/2013 | US8557172 System and method for hardening rails |
10/15/2013 | US8557064 Method of cooling rail weld zone, and rail weld joint |
10/15/2013 | US8557063 Method for heat treating serviced turbine part |
10/15/2013 | US8557056 Process for setting the thermal conductivity of a steel, tool steel, in particular hot-work steel, and steel object |
10/15/2013 | CA2750206C Bent metal member and a method for its manufacture |
10/15/2013 | CA2695472C Secondary-hardening gear steel |
10/10/2013 | WO2013151085A1 High-strength, highly workable steel sheet, and method for manufacturing same |
10/10/2013 | WO2013151059A1 Hollow seamless pipe for high-strength spring |
10/10/2013 | WO2013150972A1 Fe-Al ALLOY PRODUCTION METHOD |
10/10/2013 | WO2013150710A1 Continuous hot-dip zinc plating facility |
10/10/2013 | WO2013150669A1 Galvannealed hot-rolled steel sheet and method for manufacturing same |
10/10/2013 | US20130264123 Methods of manufacturing steel tubes for drilling rods with improved mechanical properties, and rods made by the same |
10/10/2013 | US20130263975 Wire rod, steel wire, and manufacturing method thereof |
10/10/2013 | US20130263972 High-carbon chromium bearing steel and production method of the same |
10/09/2013 | EP2647739A1 Process for production of hot-pressed member |
10/09/2013 | EP2647734A1 Bearing steel exhibiting excellent machinability after spheroidizing annealing and excellent resistance to hydrogen fatigue after quenching/tempering |
10/09/2013 | EP2647733A1 Bearing steel exhibiting excellent machinability after spheroidizing annealing and excellent resistance to hydrogen fatigue after quenching/tempering |
10/09/2013 | EP2647730A2 A method for manufacturing a high strength formable continuously annealed steel strip, a high strength formable continuously annealed steel strip product and a steel coil |
10/09/2013 | CN203229563U Anti-oxidation low-energy-consumption coiler furnace |
10/09/2013 | CN203229562U Bell-type furnace for copper processing |
10/09/2013 | CN203229561U 键合线退火机 Bonding wire annealing machine |
10/09/2013 | CN203229560U Roller positioning mechanism in ultra-large roller induction quenching machine |
10/09/2013 | CN203229559U Supporting roller diathermic type power frequency induction quenching machine tool |
10/09/2013 | CN203229558U Mounting and clamping mechanism of support roller in induction quenching machine |
10/09/2013 | CN203229557U Thermal treatment box specially used for building scaffold fastener |
10/09/2013 | CN203229556U Water-air alternative quenching and cooling hoisting device of forging module |
10/09/2013 | CN203229553U Novel padding iron for heat treatment furnace |
10/09/2013 | CN203229552U Induction heating device for directly measuring and controlling radial temperature difference |
10/09/2013 | CN203228134U Clamping structure for cold rolled steel working roller in induction thermal treatment furnace |
10/09/2013 | CN103348213A Dual hardness steel article and method of making |
10/09/2013 | CN103348031A Steel for nitriding and nitrided component |
10/09/2013 | CN103348023A Hot rolled ferritic stainless steel sheet, method for producing same, and method for producing ferritic stainless steel sheet |
10/09/2013 | CN103348022A Steel gear wheel and method for manufacturing same |
10/09/2013 | CN103348021A Heat treatment furnace ? |
10/09/2013 | CN103348019A Apparatus for induction hardening |
10/09/2013 | CN103343305A Aluminum alloy wire heater |
10/09/2013 | CN103343215A Enameled wire annealing device |
10/09/2013 | CN103343214A System and method for replacing muffle tube of vertical bright annealing furnace |
10/09/2013 | CN103343213A Heat treatment method for thin-walled gear ring |
10/09/2013 | CN103343212A Heat treatment process after forging of ultra-heavy tube plate forgings splicing-welded in pressure container |
10/09/2013 | CN103343211A Fast transportation device in heat treatment line of large heavy rails |
10/09/2013 | CN103343210A Method for performing heat treatment by virtue of frame heat treatment rack |
10/09/2013 | CN103343196A Cooling plate for blade production |
10/09/2013 | CN103343194A System and method for detaching furnace body of vertical bright annealing furnace |
10/09/2013 | CN103343192A Deoxygenation method of hard copper bus for welding |
10/09/2013 | CN103343187A Laser composite treatment method of cast iron cam |
10/09/2013 | CN103341695A Method for improving mechanical property of hardened and tempered low-alloy high-strength steel GMAW connector |