| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 02/03/2011 | WO2011013774A1 Induction heating and quenching device, induction heating and quenching method, induction heating coil, heat treatment device, and heat treatment method |
| 02/03/2011 | WO2011013559A1 Method of combined heat treatment and quench-hardened steel member |
| 02/03/2011 | WO2011013362A1 Steel member having nitrogen compound layer and process for producing same |
| 02/03/2011 | WO2011013361A1 Treatment liquid for forming protective film for steel member having nitrogen compound layer, and compound layer protective film |
| 02/03/2011 | WO2011013360A1 Treatment liquid for forming protective film for steel member having nitrogen compound layer, and compound layer protective film |
| 02/03/2011 | WO2011012673A1 Method and device for treating a material exposed to a magnetic field |
| 02/03/2011 | WO2011012257A1 Heat pipe assisted strip heat treatment |
| 02/03/2011 | DE102009034472A1 Surface-layer strengthening of bore walls of bores in a component, comprises arranging radiation source to generate pulsed laser beams and deflection medium to deflect laser beams to the bore, so that laser beam impinges onto the bore wall |
| 02/03/2011 | DE10143652B4 Verfahren zum Induktionshärten von Werkstücken Method of induction hardening of workpieces |
| 02/03/2011 | CA2767205A1 Method for manufacturing of high strength cold rolled steel sheet of excellent phosphatability |
| 02/02/2011 | EP2280199A2 Spring steel sheet metal for a gasket and method for producing same |
| 02/02/2011 | CN201729853U Special quick and variable positioning mold plate for camshaft quenching machines |
| 02/02/2011 | CN201729852U Ultra-long track surface quenching device |
| 02/02/2011 | CN201729851U Cooling oil recovery device mounted at outlet of heat treatment furnace |
| 02/02/2011 | CN201729850U Small hole high-frequency induction coil |
| 02/02/2011 | CN201729849U On-line quenching multi-direction water injector |
| 02/02/2011 | CN201729848U Full-automatic high-frequency rapid quenching and annealing machine |
| 02/02/2011 | CN101963259A High-strength antirust energy-saving thin-wall aluminum tube |
| 02/02/2011 | CN101962741A Quenched and tempered steel sheet and manufacturing method thereof |
| 02/02/2011 | CN101962736A Ferrite stainless steel and manufacturing method thereof |
| 02/02/2011 | CN101962711A Quenching method of push rod type hardening and tempering production line |
| 02/02/2011 | CN101962708A Temperature uniformity control system for multi-temperature zone of large plate vacuum annealing furnace and control method thereof |
| 02/02/2011 | CN101962705A Technique treatment method for induction heating of special-shaped piece |
| 02/02/2011 | CN101962440A Polyether for preparing quenching liquid and polymerization method thereof |
| 02/02/2011 | CN101707087B Method for manufacturing cable shielding strip |
| 02/02/2011 | CN101629235B Quenching method of roller path of double-roller path variable pitch bearing |
| 02/02/2011 | CN101619382B Heat-treatment process for enhancing offset yield strength Rp 0.02 |
| 02/02/2011 | CN101568654B Method of cooling hot forged part, apparatus therefor, and process for producing hot forged part |
| 02/02/2011 | CN101509064B Roller stabilizing apparatus of stainless steel mirror plane plate annealing oven rapid chilling section |
| 02/02/2011 | CN101054646B Method for preparing permanent magnet material |
| 02/02/2011 | CN101012492B Heat treatment method of perforating head |
| 01/27/2011 | WO2011010664A1 Method for heat-treating a ring-shaped member, method for producing a ring-shaped member, ring-shaped member, bearing ring, rolling bearing, and method for producing a bearing ring |
| 01/27/2011 | WO2011009769A1 Method and device for energy-efficient hot forming |
| 01/27/2011 | US20110018178 Method and device for blowing gas on a running strip |
| 01/27/2011 | US20110017368 Steel Material, Process of Fabricating Steel Material, and Apparatus of Fabricating Steel Material |
| 01/27/2011 | US20110017350 Method for carburizing steel components |
| 01/27/2011 | DE102009004962B4 Verfahren zur Erhöhung der Verschleißfestigkeit eines stählernen Dorns und Dorn als Bestandteil einer Vorrichtung zur Autofrettage A method for increasing the wear resistance of a steel mandrel and mandrel as part of an apparatus for autofrettage |
| 01/26/2011 | EP1452247B1 Method of manufacturing steel plate |
| 01/26/2011 | CN201724541U Multi-elbow type radiating pipe |
| 01/26/2011 | CN201722411U High-toughness alloy steel manufacturing device |
| 01/26/2011 | CN201722409U Circular seam local heating device of nuclear-power steam generator |
| 01/26/2011 | CN201722408U Heat treatment device of cast alloy steel |
| 01/26/2011 | CN201722407U Brick storing structure of hearth of annealing electric furnace |
| 01/26/2011 | CN201722406U Thermal treating device for alloy steel products |
| 01/26/2011 | CN1974798B Laser shock peening system with time-of-flight monitoring |
| 01/26/2011 | CN1973578B Multi-frequency heat treatment of a workpiece by induction heating |
| 01/26/2011 | CN101959626A Cooling system and cooling method of rolling steel |
| 01/26/2011 | CN101958467A Method for manufacturing zinc-coated steel conductive earthing device |
| 01/26/2011 | CN101956144A Heat treatment method for manufacturing Martensitic-ferrite plastic mould steel |
| 01/26/2011 | CN101956140A Lining plate for large ball mill and casting method thereof |
| 01/26/2011 | CN101956130A Large-thickness rolled steel plate instead of case one for large-sized ball mill and production method thereof |
| 01/26/2011 | CN101956060A Bainite continuous quenching system of steel band |
| 01/26/2011 | CN101956059A Device for continuously heating steel strip by direct energization |
| 01/26/2011 | CN101956053A Mesh belt type hot blast tempering furnace |
| 01/26/2011 | CN101956051A Grain refinement method and device thereof |
| 01/26/2011 | CN101956050A Steel strip water filled roller cooling quenching device |
| 01/26/2011 | CN101956049A Steel strip Bainite/Martensite duplex phase quenching system |
| 01/26/2011 | CN101956048A Heat treatment process of ship carbon-manganese steel casting |
| 01/26/2011 | CN101956047A Large vacuum annealing furnace |
| 01/26/2011 | CN101956046A Stainless steel strong-atomizing and solid dissolving device |
| 01/26/2011 | CN101954763A Nickeliferous nanowire laminated film plated steel belt and production method thereof |
| 01/26/2011 | CN101654724B Continuous high-speed steel protective atmosphere quenching furnace |
| 01/26/2011 | CN101638749B Automobile steel with low cost and high strength ductility balance and preparation method thereof |
| 01/26/2011 | CN101633110B Cutter ring manufacturing process |
| 01/26/2011 | CN101624694B Target heat treatment method |
| 01/26/2011 | CN101603120B Method for controlling water cooling process of quenching machine |
| 01/26/2011 | CN101597683B Method for processing wear resistance steel medium alloy lining board |
| 01/26/2011 | CN101597678B Method for processing wear resistance steel medium alloy lining board |
| 01/26/2011 | CN101597675B Heat treatment method of integral guide plate |
| 01/26/2011 | CN101545030B Technology for processing oil quenching of high chromium casting ball |
| 01/26/2011 | CN101509063B Process for quenching hard-tooth surface canine tooth loop intermediate-frequency edge roller seating space |
| 01/26/2011 | CN101506392B Seamless precision steel tubes with improved isotropic toughness at low temperature for hydraulic cylinders and process for obtaining the same |
| 01/26/2011 | CN101476080B Low welding crack sensitivity, quenching and tempering, high rigid plate and manufacturing method thereof |
| 01/26/2011 | CN101463416B Valve port shielding heat treatment method for hydraulic mechanism control valve |
| 01/26/2011 | CN101407899B Composite type annealing furnace |
| 01/26/2011 | CN101403027B Automatic quenching apparatus for workpiece on quenching and tempering product line |
| 01/26/2011 | CN101384742B High-strength steel excellent in weldability and process for production thereof |
| 01/26/2011 | CN101380687B Brazing procedure integration device |
| 01/26/2011 | CN101372724B Quenching method of transverse element for metal push belt |
| 01/26/2011 | CN101328562B Oxide dispersion strengthening low activity martensitic steel material and preparation thereof |
| 01/26/2011 | CN101265514B Composite heat treatment method for 30CrMnSiA steel thin wall spinning cylinder-shape element |
| 01/25/2011 | US7875235 Method for batchwise heat treatment of goods to be annealed |
| 01/25/2011 | US7875135 High pressure turbine airfoil recovery device and method of heat treatment |
| 01/25/2011 | CA2488229C Device for cooling and/or rinsing steel wires and/or tapes |
| 01/20/2011 | WO2011008114A1 A method of increasing heat exchange surfaces and active surfaces of metal elements including, in particular, heat exchange surfaces |
| 01/20/2011 | WO2011007774A1 Rotary tool for friction stir welding |
| 01/20/2011 | WO2011007434A1 Induction heating coil for carburizing and carburizing system |
| 01/20/2011 | WO2010120079A3 Surface treatment apparatus and method using plasma |
| 01/20/2011 | WO2010094735A3 Quenching machine and method for fixture quenching by induction |
| 01/20/2011 | US20110011499 Method and device for hardening profiles |
| 01/20/2011 | DE102009033356A1 Manufacturing rolling bearing ring of austenitic stainless steel, involves solidifying area of rolling unit bearing surface coldly by using explosive agent of shock wave solidification |
| 01/20/2011 | DE102009032341A1 Cooling device for performing a quenching process during a continuous annealing treatment of a steel strip, comprises cooling liquid spraying nozzles arranged to a cooling liquid-receiving container with the both-side of the steel strips |
| 01/20/2011 | DE10163970B4 Verschleißarme Werkstückfläche und Verfahren zu ihrer Herstellung Wear-resistant work surface and process for their preparation |
| 01/19/2011 | CN201713548U Steel-pipe annealing device |
| 01/19/2011 | CN201713547U Electric-heating far-infrared full-fiber metal thermal treatment furnace |
| 01/19/2011 | CN201713546U Annealing furnace with improved structure |
| 01/19/2011 | CN201713545U Bidirectional heat storage type continuous spheroidization annealing furnace |
| 01/19/2011 | CN201713544U Bell-type strong convection bright annealing oven |
| 01/19/2011 | CN201713542U Oxide scale removal device used before steel plates straightening |
| 01/19/2011 | CN201713541U Rotary-disc-type spraying pressure quenching machine |