| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 10/16/2013 | CN103352109A Automatic heating device for heat treatment |
| 10/16/2013 | CN103352108A H13 molten steel cold and hot treatment process |
| 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 | CN103352105A Laser strengthening process for slide plate |
| 10/16/2013 | CN103352104A Cylinder mounting structure of box-type multipurpose furnace |
| 10/16/2013 | CN103352103A Thermal treatment cooling device |
| 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 | CN103350116A Rolling process beneficial to spheroidizing annealing of Cr and Mo steel |
| 10/16/2013 | CN102676749B Laser heat treatment hardening method for steel pipe cast iron roll surface |
| 10/16/2013 | CN102605264B Method for preparing corrosion resistant die steel with ultrahigh ductility and high hardness |
| 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 | CN102407210B Method and device for controlling medium and small sized oriented silicon steel decarburizing annealing line MgO coating |
| 10/16/2013 | CN102286659B Method for improving magnetic properties of cold rolling non-oriented silicon steel |
| 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 | CA2470384C Nano-composite martensitic steels |
| 10/10/2013 | WO2013150947A1 Cr-containing austenitic alloy |
| 10/10/2013 | WO2013150844A1 Steel for cold forging/nitriding, steel material for cold forging/nitriding, and cold forged/nitrided member |
| 10/10/2013 | WO2013150710A1 Continuous hot-dip zinc plating facility |
| 10/10/2013 | WO2013149657A1 Steel alloy |
| 10/10/2013 | US20130266298 Local heat treatment of ibr blade using infrared heating |
| 10/10/2013 | US20130263979 Ferritic Stainless Steel for Use as Conduit Members for Emission of Automotive Exhaust Gas |
| 10/10/2013 | DE102012007062A1 Verfahren zur zerstörungsfreien quantitativen Bestimmung der Mikroeigenspannung II. und/oder III. A method of nondestructive quantitative determination of micro residual stress II. And / or III. Art Type |
| 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 | EP2647729A2 High temperature high heating rate treatment of pdc cutters |
| 10/09/2013 | EP2646626A1 Use of a wear-resistant steel component especially as the plow of a construction machine |
| 10/09/2013 | EP2646582A1 Ultra high-strength structural steel and method for producing ultra high-strength structural steel |
| 10/09/2013 | CN203231296U U-type radiant tube assembly structure |
| 10/09/2013 | CN203229567U Detachable tool for homogenizing aluminum bar |
| 10/09/2013 | CN203229563U Anti-oxidation low-energy-consumption coiler furnace |
| 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 | CN203229556U Water-air alternative quenching and cooling hoisting device of forging module |
| 10/09/2013 | CN203229555U Automatic feeding quenching device |
| 10/09/2013 | CN203229554U Ultra-large roller induction differential-temperature quenching machine |
| 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 | CN203229551U Fuel gas spheroidizing annealing furnace with good heating effect |
| 10/09/2013 | CN203229550U 数控回火炉 NC back to the stove |
| 10/09/2013 | CN103348031A Steel for nitriding and nitrided component |
| 10/09/2013 | CN103348022A Steel gear wheel and method for manufacturing same |
| 10/09/2013 | CN103348021A Heat treatment furnace ? |
| 10/09/2013 | CN103348020A Ultra high-strength structural steel and method for producing ultra high-strength structural steel |
| 10/09/2013 | CN103348019A Apparatus for induction hardening |
| 10/09/2013 | CN103344123A Steel rolling production line smoke waste heat recovery system and waste heat recovery method |
| 10/09/2013 | CN103343474A Calendaring roller shell and manufacturing method thereof |
| 10/09/2013 | CN103343298A Production method of steel 07MnNiMoDR for cryogenic container |
| 10/09/2013 | CN103343294A Rare-earth-containing and CO2/H2S corrosion resistant C90 steel-grade oil well pipe and production method thereof |
| 10/09/2013 | CN103343292A Production method of large explosive pressing mould |
| 10/09/2013 | CN103343283A Production method of steel S355NL for super-thick low-temperature wind towers |
| 10/09/2013 | CN103343280A Low-temperature quenching method for medium-carbon steel workpiece |
| 10/09/2013 | CN103343216A Suspended heat treatment equipment for forge pieces and heat treatment method thereof |
| 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 | CN103343208A Production method of super-thick 15NnNi steel plates |
| 10/09/2013 | CN103343202A Quenching/subzero treatment method for heat treatment of low-temperature nickel steel |
| 10/09/2013 | CN103343200A Short-process thermal treatment method of large 35CrNi3MoV steel forgings |
| 10/09/2013 | CN103343199A ER307Si weld line steel solid dissolving technology |
| 10/09/2013 | CN103343198A Method for clearing away copper chlorides out of bronze ware |
| 10/09/2013 | CN103343197A Quick water-cooling quenching experiment device |
| 10/09/2013 | CN103343196A Cooling plate for blade production |
| 10/09/2013 | CN103343195A Method for detaching lower roll of sealing roller at outlet of continuous annealing furnace |
| 10/09/2013 | CN103343194A System and method for detaching furnace body of vertical bright annealing furnace |
| 10/09/2013 | CN103343193A Aluminum alloy conductor annealing furnace |
| 10/09/2013 | CN103343192A Deoxygenation method of hard copper bus for welding |
| 10/09/2013 | CN103343191A Two-step isothermal heat treatment method for strengthening and toughening medium carbon-manganese-vanadium low alloy steel |
| 10/09/2013 | CN103343190A Laser shock enhancement device adopting macromolecular restraint layer |
| 10/09/2013 | CN103343189A Method for combinatorially reinforcing thick plate through laser shock |
| 10/09/2013 | CN103343188A Laser shock peening absorbing layer and clamping device thereof |
| 10/09/2013 | CN103343187A Laser composite treatment method of cast iron cam |
| 10/09/2013 | CN103343186A Controllable metal surface heat treatment technology by using plasma arc |
| 10/09/2013 | CN103343185A Multilayer box type heating furnace |
| 10/09/2013 | CN103343184A Notched-bar microstructure-crack initiation method used for chipless fine blanking |
| 10/09/2013 | CN103343037A Production method for various metal working fluids |
| 10/09/2013 | CN103341610A Method for manufacturing 3Cr steel ribbon steel supporting roll |
| 10/09/2013 | CN103341528A Cold straightening method for buckling steel plate being less than 6mm |
| 10/09/2013 | CN103341523A Swelling pressure forming and manufacturing method of zirconium corrugated pipe |
| 10/09/2013 | CN102816900B Follow-up intermediate-frequency inductor |
| 10/09/2013 | CN102586698B Axletree steel and heat treatment method thereof |
| 10/09/2013 | CN102560072B Pneumatic automatic counterweight beating roll |
| 10/09/2013 | CN102560015B Method for treating mold surface by using laser hardening |
| 10/09/2013 | CN102337483B Antibacterial stainless steel, its heat treatment method and application |
| 10/09/2013 | CN101450440B Valve-core and valve-core cushion press-fitting processing method |
| 10/03/2013 | WO2013147410A1 Roller rotation sensing device for heat treating furnace |
| 10/03/2013 | WO2013147259A1 Gear having excellent seizing resistance |
| 10/03/2013 | WO2013147258A1 Gear having excellent seizing resistance |
| 10/03/2013 | WO2013147228A1 Manufacturing method for hot press-molded steel member, and hot press-molded steel member |
| 10/03/2013 | WO2013147155A1 Method for producing carbon tool steel strip |
| 10/03/2013 | WO2013146520A1 Method for heat treatment and heat treatment apparatus, and heat treatment system |
| 10/03/2013 | WO2013146274A1 Heating device and heating method |