| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 06/01/2011 | CN102084011A Method for shaping from a blank of a hardening material with differential cooling |
| 06/01/2011 | CN102080204A Heating processing technology of metal steel tube |
| 06/01/2011 | CN102080198A Aluminium magnesium alloy belt material used for cosmetic packaging case |
| 06/01/2011 | CN102080194A Large-deformation-preventing pipeline steel with excellent aging resistance and production method thereof |
| 06/01/2011 | CN102080192A Low-yield ratio, high-plasticity, ultrafine-grain and high-strength steel and manufacturing method thereof |
| 06/01/2011 | CN102080187A Large-thickness Cr-Mo system 12Cr2Mo1R container steel and production method thereof |
| 06/01/2011 | CN102080185A High-tensile quenched and tempered steel plate for large-thickness structures and production method thereof |
| 06/01/2011 | CN102080183A Q345GJ series structural steel plates for ultra-thick building and production method thereof |
| 06/01/2011 | CN102080180A Aluminum steel composite material and preparation method |
| 06/01/2011 | CN102080178A Quasi-casting high toughness bainitic low-carbon ductile iron and producing method thereof |
| 06/01/2011 | CN102080151A Pit type Nb3Sn coil thermal treatment furnace system under conditions of vacuum and aeration protection |
| 06/01/2011 | CN102080150A Device for eliminating internal stress of U-shaped bent pipe by performing heating and annealing |
| 06/01/2011 | CN102080149A Energy-saving full-automatic and atmosphere-controllable horizontal type annealing production line for discs |
| 06/01/2011 | CN102080146A 37Mn5 steel thermal refining process for high-steel-grade oil well pipe |
| 06/01/2011 | CN102080145A Method for modifying steel surface of ship body by plasma at normal pressure |
| 06/01/2011 | CN102080144A Module type deformation-resisting furnace baseboard |
| 06/01/2011 | CN102078924A Method for casting lower template beam steel casting |
| 06/01/2011 | CN101704019B Production method of grit-blasted surface stainless steel band |
| 06/01/2011 | CN101693982B Martensite corrosion-resisting steel plate for cutting tool and manufacture method thereof |
| 06/01/2011 | CN101693980B Flat steel and manufacture method thereof |
| 06/01/2011 | CN101665862B Surface laser quenching process of car panel die |
| 06/01/2011 | CN101660130B Method for preparing niobium sputtering target |
| 06/01/2011 | CN101649418B Ferrite stainless steel cold-rolled steel band and manufacturing method thereof |
| 06/01/2011 | CN101624681B Ultra-high strength bainite armour steel and manufacturing method thereof |
| 06/01/2011 | CN101608285B Interstitial free (IF) hot rolled strip and manufacturing method thereof |
| 06/01/2011 | CN101560587B Composite impact material surface strengthening method and device |
| 06/01/2011 | CN101437975B Process for manufacturing steel sheet having very high strength, ductility and toughness characteristics, and sheet thus produced |
| 06/01/2011 | CN101412144B Welding procedure of 0Cr11Ni2MoNbV thick plate material buried arc welding automatic arc welding |
| 05/31/2011 | US7951412 Laser based metal deposition (LBMD) of antimicrobials to implant surfaces |
| 05/26/2011 | WO2011062012A1 Steel wire for low-temperature annealing and method for producing the same |
| 05/26/2011 | WO2011060546A1 System and method for treating an amorphous alloy ribbon |
| 05/26/2011 | WO2011060517A1 Stainless steel for molds having a lower delta-ferrite content |
| 05/26/2011 | WO2011032129A8 Multiple laser beam focusing head |
| 05/26/2011 | CA2781067A1 System and method for treating an amorphous alloy ribbon |
| 05/26/2011 | CA2781052A1 Stainless mold steel with lower delta-ferrite content |
| 05/25/2011 | EP2324938A1 Method and thermal recasting assembly for producing a hardened, thermally recast workpiece |
| 05/25/2011 | EP2231884B1 Process of thermal treatment of rails and device thereof |
| 05/25/2011 | CN201842864U Heating chamber with groove structure |
| 05/25/2011 | CN201842863U Novel technical quenching bath |
| 05/25/2011 | CN201842862U Laser strengthening-laser texturing combined machine tool |
| 05/25/2011 | CN1923412B High nickel austenite spheroidal graphite cast-iron gas exhaust branch pipe casting technique |
| 05/25/2011 | CN102076873A Improved quench zone design using spray nozzles |
| 05/25/2011 | CN102071384A Controlled directional solidification nickel-base high-temperature alloy recrystallizing method |
| 05/25/2011 | CN102071383A Method for controlling re-crystallization of directionally solidified nickel base high-temperature alloy by using coating method |
| 05/25/2011 | CN102071367A Steel forging manufacturing process for deep-sea Christmas tree equipment connectors |
| 05/25/2011 | CN102071365A High-wear-resistance rare earth titanium alloy material and heat treatment method thereof |
| 05/25/2011 | CN102071361A Steel for high temperature resistant oil well tube and manufacturing method thereof |
| 05/25/2011 | CN102071303A Strip threading method of strip steel in silicon steel continuous annealing drying furnace |
| 05/25/2011 | CN102071296A Improved grinding ball quenching bed |
| 05/25/2011 | CN102071295A Novel swinging vibration quenching cooling device |
| 05/25/2011 | CN102071294A Device for preventing elongated piston rod from bending deformation during medium and high frequency quenching |
| 05/25/2011 | CN102071293A Vertical bright annealing furnace |
| 05/25/2011 | CN102071292A Cooling device for vertical bright annealing furnace |
| 05/25/2011 | CN102071291A Hardening and tempering method for alloy steel 40Cr steel plate |
| 05/25/2011 | CN102071290A High-speed steel W18Cr4V die casting mould heat treatment process |
| 05/25/2011 | CN102071289A Double-frequency surface quenching device |
| 05/25/2011 | CN102071288A Solid solution heat treatment furnace equipment |
| 05/25/2011 | CN102070072A Rotary lifting appliance |
| 05/25/2011 | CN102069345A Method for manufacturing large-specification steel pipe retained mandrel |
| 05/25/2011 | CN101812577B Method for reducing stress cracks of wheel blanks |
| 05/25/2011 | CN101775548B Method for producing low nitriding amount and high magnetic induction oriented silicon steel strip |
| 05/25/2011 | CN101698898B Method for removing stress by using variable-frequency electromagnetic pulses |
| 05/25/2011 | CN101660027B Water soluble polyether quenching medium |
| 05/25/2011 | CN101643828B Production method of anti-aging tinning black plate |
| 05/25/2011 | CN101595822B Manufacturing method of replaceable guide plate head |
| 05/25/2011 | CN101570847B Nitriding device |
| 05/25/2011 | CN101376952B Manufacturing process of high chrome alloy strengthened steel cast shot/sand |
| 05/25/2011 | CN101144138B Producing method of steel plate for low temperature pressure container and thereof |
| 05/24/2011 | US7947218 Apparatus and method for coil cooling |
| 05/19/2011 | US20110115138 Retort Furnace for Heat Treating Metal Workpieces |
| 05/19/2011 | US20110115137 Retort Furnace for Heat Treating Metal Workpieces |
| 05/19/2011 | US20110114999 Sputtering target and method for manufacturing the same, and transistor |
| 05/19/2011 | DE102009057390A1 Method for hardening a component, comprises hardening the component by laser beam or electron beam locally in a hardening area in dependent upon a process parameter and adjusting the process parameter |
| 05/19/2011 | DE102009053066A1 Method for cooling heat-treated elements, comprises producing and maintaining a circulating gas flow in a rapid cooling region, and adding predetermined amounts of a cryogenically liquefied gas in the circulating gas flow |
| 05/18/2011 | EP2322687A1 Method for carburizing steel components |
| 05/18/2011 | EP2322673A2 Method and device for guiding the flow in industrial oven used in the thermoforming of metallic materials/workpieces |
| 05/18/2011 | EP2322672A1 Heating device and heating method |
| 05/18/2011 | CN201834955U Single-spindle industrial frequency heating furnace |
| 05/18/2011 | CN201834951U Steel belt direct-electrification continuous heating device of pressure plate electrode |
| 05/18/2011 | CN201834949U Intermediate-frequency furnace for heating pipe fitting |
| 05/18/2011 | CN201834948U Practical sealed fast-cooling chamber |
| 05/18/2011 | CN201834946U 环形吹水装置 Chit device ring |
| 05/18/2011 | CN201834942U Transverse feeding high-frequency quenching mechanism |
| 05/18/2011 | CN201834941U Medium-frequency single-gear manual quenching machine |
| 05/18/2011 | CN201834940U Energy saving device for energy recycle and phosphoric acid coating removal of continuous heat treatment furnace |
| 05/18/2011 | CN1970181B Metal sheet hot-rectification processing method |
| 05/18/2011 | CN102066586A Process for production of carburized part and steel part |
| 05/18/2011 | CN102064075A Intracavity electronic beam machining method for cavity parts |
| 05/18/2011 | CN102061422A Method for preparing self-lubricating ferrous molybdenum sulfide/ferrous sulfide multiphase wear resistant material |
| 05/18/2011 | CN102061373A Heating-processing technology for improving mechanical property of high-intensity extra-thick plate |
| 05/18/2011 | CN102061367A Solid solution heat treatment furnace |
| 05/18/2011 | CN102061366A Improved grinding ball quenching tank |
| 05/18/2011 | CN102061365A Inorganic polymer water-soluble quenching medium and preparation method thereof |
| 05/18/2011 | CN102061364A Method for dehumidifying and drying electric heating band of annealing furnace |
| 05/18/2011 | CN102061363A Direct quenching device for medium plate and quenching process thereof |
| 05/18/2011 | CN102061362A Method and device for strengthening fastening hole by shocking with ring laser |
| 05/18/2011 | CN102061361A Method for modeling surface of pulse discharging cold roll |
| 05/18/2011 | CN101748335B Nickel-free grate material for sintering machine and manufacturing method thereof |
| 05/18/2011 | CN101748325B High-strength wear-resisting ductile iron coiling block and manufacturing method thereof |
| 05/18/2011 | CN101724788B Preparation method of high-vanadium steel wear resistant material |