| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 01/16/2013 | CN102877061A Method and device for remanufacturing stainless steel pump parts through laser cladding |
| 01/16/2013 | CN102877008A Method for preparing bainite wear-resistant cast steel |
| 01/16/2013 | CN102877007A Steel plate for low-crack sensitivity pressure container with thickness being more than or equal to 80mm and manufacture method of steel plate |
| 01/16/2013 | CN102877003A Superfine grinding cast grinding ball and heat treatment process thereof |
| 01/16/2013 | CN102876999A Steel plate for hardening and tempering type low temperature pressure vessel and method for producing steel plate |
| 01/16/2013 | CN102876982A Axle steel and its manufacturing method |
| 01/16/2013 | CN102876981A Method for preparing medium and low carbon chrome-silicon-manganese martensite cast steel with hardening surface layer |
| 01/16/2013 | CN102876965A High-strength anchor bolt and production method thereof |
| 01/16/2013 | CN102876879A Metal roller |
| 01/16/2013 | CN102876878A Ring-shaped rail non-soft-strip induction quenching machine tool |
| 01/16/2013 | CN102876876A Boiler drum annealing furnace |
| 01/16/2013 | CN102876874A Super high-speed quenching device for steel tube |
| 01/16/2013 | CN102876871A Method for preparing stainless steel band for exhaust pipe of automobile |
| 01/16/2013 | CN102876869A Production method for cold rolled magnetic pole steel with yield strength of 250 MPa |
| 01/16/2013 | CN102876865A Heat treatment method of 304 stainless steel |
| 01/16/2013 | CN102876864A Control system and closed-loop control method for hearth atmosphere of annealing furnace and closed-loop control method |
| 01/16/2013 | CN102876863A Heat treatment anti-sticking agent for copper foil strip |
| 01/16/2013 | CN102876862A Quenching tank |
| 01/16/2013 | CN102876861A Quenching tool for crane wheels |
| 01/16/2013 | CN102876860A Heat treatment method of novel alloy steel hollow car axle material |
| 01/16/2013 | CN102876859A Spheroidizing annealing process of screw wire rod |
| 01/16/2013 | CN102876858A Spheroidizing annealing process of GCr15 ball bearing steels based on severe-convection protective gas |
| 01/16/2013 | CN102876857A Heat-insulation apparatus for annealing furnace |
| 01/16/2013 | CN102876856A Annealing furnace distribution device |
| 01/16/2013 | CN102876855A Softening process for ultra-high strength bainitic steels |
| 01/16/2013 | CN102876854A Tempering treatment technical method for 1Cr12 martensite stainless steel pressure spring forge piece |
| 01/16/2013 | CN102876853A Tempering furnace raceway lifting device and lifting raceway system |
| 01/16/2013 | CN102876852A Multi-ring simultaneously used annular furnace heat treatment production line |
| 01/16/2013 | CN102873447A Steel wire connecting method |
| 01/16/2013 | CN102873127A Preparation method for composite layer metal pipeline |
| 01/16/2013 | CN102873117A Method for manufacturing large-diameter high-frequency resistance welding copper wire manufacturing method |
| 01/16/2013 | CN102417955B Water-soluble quenching medium for hot die steel |
| 01/16/2013 | CN102330583B 汽车发动机气门座圈 Automotive engine valve seat |
| 01/16/2013 | CN102329928B Thermal treatment process of tool steel for connecting rod bushing |
| 01/16/2013 | CN102268524B Clamping device used in solid solution process of U-shaped stainless steel pipe |
| 01/16/2013 | CN102212757B Alloy steel for large wind-driven power generation device and manufacturing process of workpiece made of same |
| 01/16/2013 | CN102211152B Ingot mould used for casting iron alloy and casting method thereof |
| 01/16/2013 | CN102133643B Steel grit produced by waste steel wires and production method thereof |
| 01/16/2013 | CN102066586B Process for production of carburized part and steel part |
| 01/16/2013 | CN101967550B Annealed steel coil quick stacking device and operation method thereof |
| 01/16/2013 | CN101868556B Heat-treatment process for a steel |
| 01/15/2013 | CA2653612C Melting furnace with agitator |
| 01/10/2013 | WO2013006108A1 A method of hot-shaping and hardening a sheet steel blank |
| 01/10/2013 | WO2013004910A1 Method for manufacturing a high-strength structural steel and a high-strength structural steel product |
| 01/10/2013 | DE102011051682A1 Verfahren und Vorrichtung zum Behandeln eines Stahlprodukts sowie Stahlprodukt Method and apparatus for treating a steel product and steel product |
| 01/09/2013 | EP2543744A1 Method and device for treating a steel product and steel product |
| 01/09/2013 | EP2542707A1 Method and device for localized induction hardening of circular mechanical component parts of large - size, in particular rings for rolling bearings |
| 01/09/2013 | CN202663577U Power frequency, medium-high frequency induction heating coil |
| 01/09/2013 | CN202658201U Quench zone heat exchanging equipment of annealing furnace and heat exchanger thereof |
| 01/09/2013 | CN202658197U Thermal treatment sizing guide device |
| 01/09/2013 | CN202658196U Pit furnace with device for protecting atmosphere and automatically transferring workpiece in process of quenching |
| 01/09/2013 | CN202658195U Automatic transfer device for pit furnace quenching |
| 01/09/2013 | CN202658191U Steel ball cooling quenching device |
| 01/09/2013 | CN202658190U Air door feeding mechanism of quenching machine tool |
| 01/09/2013 | CN202658189U Six-working-position full-automatic quenching machine tool for conical end of air valve |
| 01/09/2013 | CN202658188U Three-station full-automatic quenching machine tool for valve rod ends |
| 01/09/2013 | CN202658187U Gasket quenching equipment |
| 01/09/2013 | CN202658186U Reel pipe mechanism of ship building no-track back burning machine |
| 01/09/2013 | CN202658185U Carbon sleeve furnace bottom roller for producing silicon steel |
| 01/09/2013 | CN202658184U Aftertreatment device for unqualified tin bronze-plated tempered bead wire product |
| 01/09/2013 | CN202658183U Fixture for thermal treatment of workpiece |
| 01/09/2013 | CN202658182U Car-type heat treating furnace |
| 01/09/2013 | CN202658181U Spray water collector device |
| 01/09/2013 | CN102869794A A method for shot peening a gas carburised steel |
| 01/09/2013 | CN102865740A Annealing furnace |
| 01/09/2013 | CN102865301A Steel ball special for large-sized offshore wind turbine generator bearing and manufacturing process of steel ball |
| 01/09/2013 | CN102864459A Method for annealing and pickling 409L stainless steel |
| 01/09/2013 | CN102864383A Low alloy steel |
| 01/09/2013 | CN102864379A Fe-Cr-Co-W-Mo martensitic heat resistant steel and method for manufacturing same |
| 01/09/2013 | CN102864299A Isothermal transformation thermal treatment method for superhigh-intensity steel |
| 01/09/2013 | CN102864298A Water quenching thermal treatment adjustable device of steel cord brass electroplating operation line |
| 01/09/2013 | CN102864297A Annealing furnace of copper strips for solar photovoltaic solder strip |
| 01/09/2013 | CN102864295A Method for eliminating stress of sheet steel with structure of tensile strength larger than or equal to 785 MPa |
| 01/09/2013 | CN102864294A Method and device of local heat treatment for thin-walled tubular parts |
| 01/09/2013 | CN102864293A Large-diameter steel pipe on-line bulk heat treatment system |
| 01/09/2013 | CN102864290A Automatic high-frequency quenching system |
| 01/09/2013 | CN102864289A Method for performing annealing and acid-washing on SUS430 stainless steel |
| 01/09/2013 | CN102864288A Novel continuous annealing furnace for non-oxidation burner |
| 01/09/2013 | CN102864287A Strengthening and toughening heat treatment method of hot work die steel 4Cr5MoSiV1 |
| 01/09/2013 | CN102864286A Guide rail micro-deformation quenching method |
| 01/09/2013 | CN102862442A High-quality track travelling wheel |
| 01/09/2013 | CN102862028A Processing method of special-shaped seamless steel tube for railway maintenance locomotive frame |
| 01/09/2013 | CN102861845A Combined forging method of ZM2 high strength magnesium alloy |
| 01/09/2013 | CN102392107B Quenching method for 20Cr13-40Cr13 martensite stainless steel |
| 01/09/2013 | CN102226231B Method for controlling swelling rib in central section of color coating base material |
| 01/09/2013 | CN102212655B Laser shock method |
| 01/09/2013 | CN102206736B Furnace roller combination set for annealing furnace |
| 01/09/2013 | CN102206734B Novel grinding quenching furnace |
| 01/09/2013 | CN102199726B Continuous annealing technology of high-strength cold-roll steel sheet for inner container of water heater |
| 01/09/2013 | CN102181795B Superhigh-strength armour plate and manufacturing process thereof |
| 01/09/2013 | CN102061364B Method for dehumidifying and drying electric heating band of annealing furnace |
| 01/09/2013 | CN102031342B Preparation method of high magnetic induction oriented silicon steel for refining secondary grain size |
| 01/09/2013 | CN102010967B Method and special cushion block for controlling deformation of oversize steel plate in high temperature heat treatment |
| 01/09/2013 | CN101962705B Technique treatment method for induction heating of special-shaped piece |
| 01/09/2013 | CN101942545B Steel wire rod for solid wire showing excellent acid pickling property, and method of manufacturing the same |
| 01/09/2013 | CN101611163B Low yield ratio dual phase steel linepipe with superior strain aging resistance |
| 01/09/2013 | CN101550479B System for controlling atmosphere gas inside furnace |
| 01/08/2013 | US8349101 Method of heat treating magnesium alloys |
| 01/03/2013 | WO2013002534A1 Method for molding a magnesium plate having high strength due to a local softening process using quick heating and high strength magnesium plate component molded thereby |
| 01/03/2013 | WO2013002418A1 Thick-walled high-strength seamless steel pipe with excellent sour resistance for pipe for pipeline, and process for producing same |