| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 06/22/2011 | CN102105604A Manufacturing method for machine parts having superior rolling-contact fatigue life |
| 06/22/2011 | CN102105603A Exhaust poppet valve and solution treatment method of poppet valve |
| 06/22/2011 | CN102102163A Martensitic stainless steel and manufacturing method thereof |
| 06/22/2011 | CN102102142A Production method of energy saving type GO oriented silicon steel |
| 06/22/2011 | CN102102139A Wheel quenching device |
| 06/22/2011 | CN101798654B Steel used for straight seam electric resistance welding petroleum casing and casing manufacturing method |
| 06/22/2011 | CN101775479B Alloying treatment method for surface of spheroidal graphite cast iron roll |
| 06/22/2011 | CN101760606B Control method of protective atmosphere of stainless steel cover type annealing furnace |
| 06/22/2011 | CN101649381B Method for producing secondary cold-rolling tinning original plate |
| 06/22/2011 | CN101642782B Method for preparing Cr-Ni system Austenitic heat-resistant steel springs and cool-drawn steel wires thereof |
| 06/22/2011 | CN101623716B Preparation method of metal tube |
| 06/22/2011 | CN101580916B High-strength high-plasticity twinning-induced plasticity steel and manufacturing method thereof |
| 06/22/2011 | CN101564738B Machining process of directly pulling steel round rope into flat rope |
| 06/22/2011 | CN101562356B Medium voltage power line broadband coupling device and preparation method thereof |
| 06/22/2011 | CN101519719B Method and device for thermally processing sclerotized nonferrous metal wires |
| 06/22/2011 | CN101517098B Frictionally press-bonded member |
| 06/22/2011 | CN101379203B Method of induction hardening |
| 06/22/2011 | CN101307377B Steel rapid-heating device and steel rapid-heating method |
| 06/22/2011 | CN101285158B Carburized and high-frequency hardened part having high strength |
| 06/22/2011 | CN101118797B Composite powder, magnetic powder core for magnetic powder and preparation method thereof |
| 06/21/2011 | US7964043 Method for producing nanocrystalline magnet cores, and device for carrying out said method |
| 06/16/2011 | WO2011071153A1 Mist cooling apparatus, heat treatment apparatus, and mist cooling method |
| 06/16/2011 | WO2011009769A9 Method and device for energy-efficient hot forming |
| 06/16/2011 | US20110139321 Austenitic stainless steel, and hydrogenation method thereof |
| 06/16/2011 | US20110139317 Hot dip galvanized high strength steel sheet excellent in plating adhesion and hole expandability and method of production of same |
| 06/16/2011 | DE10254846B4 Verfahren zum Einsatzhärten von Bauteilen aus Warmarbeitsstählen mittels Unterdruckaufkohlung Method of case hardening components from hot work steels using Unterdruckaufkohlung |
| 06/16/2011 | DE102009058232A1 Stabilizing mechanically directed, electrically conductive, flat structure, comprises heating, directly cooling and/or quenching the structure in local or linear manner, where electric generator is used for producing electromagnetic field |
| 06/16/2011 | DE102009036512B3 Verfahren und Vorrichtung zum Herstellen von Parabellenkern und Parabelfedern für insbesondere Fahrzeugchassis, Fahrzeugaufbauten und dgl. Method and apparatus for the manufacture of parabola arms and leaf spring suspension for the vehicle chassis in particular, vehicle bodies and the like. |
| 06/15/2011 | EP2331716A1 Method and device for localized induction hardening treatment of mechanical components, specifically thrust blocks for large-sized rolling bearings |
| 06/15/2011 | EP1603624B1 Medical Guidewire with LASER soldering |
| 06/15/2011 | EP1375682B1 Flanged parts producing method and heat treating device for flanged parts |
| 06/15/2011 | CN201867079U Jet cooling device for heat treatment furnace |
| 06/15/2011 | CN201864758U Bakelite connecting mandrel |
| 06/15/2011 | CN201864756U Rotor inner bore induction hardening equipment |
| 06/15/2011 | CN201864754U Vacuum aging furnace for sintering neodymium iron boron |
| 06/15/2011 | CN201864753U Carbon potential control system of heat treatment apparatus |
| 06/15/2011 | CN201864752U Quenching medium evaporative air-cooling device |
| 06/15/2011 | CN201864751U Improved galvanizing unit annealing furnace radiant tube burner nozzle |
| 06/15/2011 | CN201864750U Planar numerically controlled lathe quenching inductor |
| 06/15/2011 | CN201864749U Automatic-positioning hardening inductor |
| 06/15/2011 | CN201864748U Induction hardening device of rotor |
| 06/15/2011 | CN201864747U Light and water coaxial laser impact enhancing head |
| 06/15/2011 | CN201864746U Induction quenching device for shafts |
| 06/15/2011 | CN201864745U Air cooling frame of castings |
| 06/15/2011 | CN102100124A Induction heating apparatus and induction heating method |
| 06/15/2011 | CN102094154A Homogeneous module material and metallurgical manufacturing method thereof |
| 06/15/2011 | CN102094153A High-strength high-toughness alloy steel for bolts and preparation method thereof |
| 06/15/2011 | CN102094149A Niobium-containing high-strength hot-galvanized steel plate and production method thereof |
| 06/15/2011 | CN102094113A Heat treatment process of train buffer material |
| 06/15/2011 | CN102094112A Heat treatment process of alloy steel product |
| 06/15/2011 | CN102094111A Bar hot shear blade laser-quenching manufacturing process |
| 06/15/2011 | CN101824520B Quenching gas recycling system |
| 06/15/2011 | CN101736136B Top-buried type salt bath furnace started by working electrodes |
| 06/15/2011 | CN101717847B Mechanical impacting and hardening method for processing high manganese steel frog |
| 06/15/2011 | CN101709363B Press quenching lathe of thin-wall sleeve workpiece |
| 06/15/2011 | CN101644549B Compound porous structure of micro groove and fiber and preparation method thereof |
| 06/15/2011 | CN101591755B Uncoated tinplate base for acidic food can and manufacturing method thereof |
| 06/15/2011 | CN101585141B Composite stock compression molding process |
| 06/15/2011 | CN101519751B High-performance marine mooring chain steel and manufacturing method thereof |
| 06/15/2011 | CN101314311B False proof thin film and producing method thereof |
| 06/15/2011 | CN101165195B Method for thinning steel microscopic structure of crank axle for vessel |
| 06/09/2011 | WO2011022463A3 Deeply carburized low or medium carbons steels |
| 06/09/2011 | US20110133515 Pillar structure of vehicle and method for manufacturing the same |
| 06/09/2011 | DE102009057524A1 Verfahren zum Warmwalzen eines Metallbandes oder -blechs und Warmwalzwerk A method of hot rolling a metal strip or sheet hot rolling mill and |
| 06/09/2011 | DE102009056443A1 Crashbox und Verfahren zu deren Herstellung Crashbox and processes for their preparation |
| 06/08/2011 | EP2330372A2 Electrically heated retort furnace for thermal treatment of metallic workpieces |
| 06/08/2011 | EP2330325A2 Retort furnace for thermal treatment of metallic workpieces |
| 06/08/2011 | CN201857419U Local quenching device |
| 06/08/2011 | CN201857413U Tension adjustment control device for annealing furnace |
| 06/08/2011 | CN201857412U Water fog cooling dispersion prevention structure for seamless steel pipe drawing processing |
| 06/08/2011 | CN201857411U Special furnace core pipe for hydrogen burning furnace |
| 06/08/2011 | CN201857408U Cooling air reutilization device in heat treatment slow cooling region |
| 06/08/2011 | CN201857407U Adjustable combined heat treatment furnace body |
| 06/08/2011 | CN201857406U Preheating system for homogenizing furnace and aging furnace |
| 06/08/2011 | CN102089447A Device for hardening the teeth of gear wheels by individual inductive heat treatment for each tooth, using several inductors |
| 06/08/2011 | CN102089092A Method for longitudinally guiding rolling stock, especially a hot-rolled steel strip, and hot-rolling mill for carrying out said method |
| 06/08/2011 | CN102086483A Quenching method for shaft sleeve plate of hydraulic torque converter |
| 06/08/2011 | CN102086482A Continuous quenching cooling system for strip metal |
| 06/08/2011 | CN101792849B Vertical continuous annealing furnace |
| 06/08/2011 | CN101787419B Heat treatment process of AISI4340 steel forgings |
| 06/08/2011 | CN101736144B Continuous annealing method |
| 06/08/2011 | CN101714428B Afterheat recycling method and device thereof in enamelled wire production |
| 06/08/2011 | CN101709361B Atomizing nozzle and hand-hold atomization gas quenching device with atomizing nozzle |
| 06/08/2011 | CN101693941B Method for quenching medium and low carbon alloy structural steel workpieces |
| 06/08/2011 | CN101665861B Method for preparing oriented silicon steel by pulse current recovery annealing |
| 06/08/2011 | CN101654735B Large-scale self-aligning roller bearing ring quenching and cooling method |
| 06/08/2011 | CN101654725B Blanking channel device of mesh-belt quenching furnace |
| 06/08/2011 | CN101512023B Method for heat treatment |
| 06/08/2011 | CN101415851B Very thin hard steel sheet and method for producing the same |
| 06/08/2011 | CN101322482B Forced-feeding method for improving developing quality of goose liver, used feed and forced-feeding machine |
| 06/08/2011 | CN101186963B Heat treatment technique of high strength anchor bolt for extra-high voltage transmission line rod tower |
| 06/07/2011 | CA2379959C Contour forming of metals by laser peening |
| 06/02/2011 | US20110126945 Ni-BASED ALLOY HIGH-CHROME STEEL STRUCTURE AND MANUFACTURING METHOD OF THE SAME |
| 06/02/2011 | US20110126943 Method for joining and joined connection of two components made of a metal material |
| 06/02/2011 | US20110126791 Exhaust poppet valve and solution heat treatment method of the same |
| 06/01/2011 | EP2327806A1 Method for manufacturing high-strength metal wire rod |
| 06/01/2011 | EP2327804A1 Exhaust poppet valve and solution treatment method of poppet valve |
| 06/01/2011 | EP2326736A1 Quench passivation of aluminum die-cast parts |
| 06/01/2011 | CN201850290U Magnetic heat treatment furnace |
| 06/01/2011 | CN201850289U Intermediate frequency hardening rotary device |