| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 05/15/2013 | CN103103333A Intermediate frequency quenching and tempering heat treatment process and special equipment for pin shaft |
| 05/15/2013 | CN103103331A Shaft part induction quenching and synchronous induction tempering method and heating inductor |
| 05/15/2013 | CN103103330A Pre-cold pressing quenching correction technology for die steel |
| 05/15/2013 | CN103103327A Thermal treatment technology of ultrahigh-strength stainless steel |
| 05/15/2013 | CN103103326A Vacuum isothermal treatment technology for hot work die steel |
| 05/15/2013 | CN103103325A Collision prevention device for mechanical part after heat treatment |
| 05/15/2013 | CN103103324A Compaction water-cooling quenching device |
| 05/15/2013 | CN103103323A Method for producing cold-billet silicon steel without adopting heat-preservation pit |
| 05/15/2013 | CN103103322A Surface annealing device for GH80A product |
| 05/15/2013 | CN103103321A Isothermal quenching process |
| 05/15/2013 | CN103103320A Method for improving low temperature impact toughness of 40CrNiMoA material |
| 05/15/2013 | CN103103319A Cooling processing method |
| 05/15/2013 | CN103103318A Manufacture method and manufacture equipment for high torsion resistance type drill pipe and drill collar joint |
| 05/15/2013 | CN103103317A Large rotational workpiece rolling friction surface quenching equipment |
| 05/15/2013 | CN103103316A Progressive electric heating furnace |
| 05/15/2013 | CN103101576A Front side member |
| 05/15/2013 | CN103100824A Preparation method of novel steel collar |
| 05/15/2013 | CN102690930B Tempering furnace |
| 05/15/2013 | CN102560016B Surface induction hardening inductor for V-shaped roller cross linear guide rail |
| 05/15/2013 | CN102409150B Induction heating multi-pipeline steel tube continuous annealing process line |
| 05/15/2013 | CN102399957B Steel strip water-cooled pressure plate quenching device capable of adjusting cooling final temperature |
| 05/15/2013 | CN102345003B Method for manufacturing high yield ratio steel wire |
| 05/15/2013 | CN102251187B Production method of extrusion roller including high-speed steel |
| 05/15/2013 | CN102220468B Synchronizer sliding sleeve and toothholder co-quenching technology |
| 05/15/2013 | CN102199995B Process for producing high-precision special threaded sleeve pipe coupling |
| 05/15/2013 | CN102021480B Manufacturing method of low-chromium ferritic stainless steel |
| 05/15/2013 | CN101509061B Simultaneous induction quenching technology for flange-output shaft neck and end face |
| 05/14/2013 | US8440133 Cooling apparatus, cooling method, manufacturing apparatus and manufacturing method of hot-rolled steel sheet |
| 05/10/2013 | WO2013065718A1 Method for producing steel part |
| 05/08/2013 | EP2589910A1 Multi-chamber heat treatment device |
| 05/08/2013 | EP2588632A1 Method of making a bearing ring, a bearing ring and a bearing |
| 05/08/2013 | DE102011117821A1 Device useful for varying cooling course of metallic materials in a closed bath, is filled with a vaporizing liquid quenching medium, and is operated in overpressure and underpressure |
| 05/08/2013 | DE102010001414B4 Verfahren zur Reparatur von Labyrinth-Dichtungsstegen A method for repairing the labyrinth seal ridges |
| 05/08/2013 | CN202925597U Bucket tooth for excavator |
| 05/08/2013 | CN202925070U Bead wire back-fire device |
| 05/08/2013 | CN202925068U Large-diameter flange thermal treatment equipment |
| 05/08/2013 | CN202925066U Die quenching device for inner gear ring |
| 05/08/2013 | CN202925065U Novel quenching machine |
| 05/08/2013 | CN202925064U Quenching tank with improved structure |
| 05/08/2013 | CN202925063U Vortex quenching tank for thermal treatment |
| 05/08/2013 | CN202925062U Cylinder-type heating furnace for trolley |
| 05/08/2013 | CN202925061U Intensive cooling chamber |
| 05/08/2013 | CN202925060U Novel ceramic roller device for silicon steel annealing furnace |
| 05/08/2013 | CN202925059U Heat exchange device for heat treatment equipment |
| 05/08/2013 | CN202925058U Double-furnace door mechanism |
| 05/08/2013 | CN103097561A Steel component having excellent temper softening resistance |
| 05/08/2013 | CN103097556A Method for producing a hot-rolled steel product, and a hot-rolled steel |
| 05/08/2013 | CN103097555A Martensitic stainless steel machineability optimization |
| 05/08/2013 | CN103088856A Clay bucket for excavator |
| 05/08/2013 | CN103088270A Manufacturing method of X70 large-deformation steel fire-bent pipe |
| 05/08/2013 | CN103088251A Spheroidal graphite cast iron as well as thermal treatment method thereof |
| 05/08/2013 | CN103088238A Aluminum alloy foil and processing technology thereof |
| 05/08/2013 | CN103088202A Method for accurately positioning charging basket for roller-hearth continuous annealing furnaces |
| 05/08/2013 | CN103088201A Aging treatment method of fan impeller material |
| 05/08/2013 | CN103088200A Heating furnace |
| 05/08/2013 | CN103088195A Well-type vacuum resistance furnace with hydraulic cover |
| 05/08/2013 | CN103088194A Pre-diffused Al-Si Coatings For Use In Rapid Induction Heating Of Press-hardened Steel |
| 05/08/2013 | CN103088193A Quenching machine for rapid heat treatment |
| 05/08/2013 | CN103088192A Heat treatment PAG water base quenching medium stabilizer and uses thereof |
| 05/08/2013 | CN103088191A Warning method for vertical type continuous annealing furnace radiant tube burner and heat exchanger thereof |
| 05/08/2013 | CN103088190A Horizontal double-station continuous roller induction quenching and induction tempering technology |
| 05/08/2013 | CN103088189A Thermal treatment method for micromechanical horological parts |
| 05/08/2013 | CN103088188A Vertical tempering furnace |
| 05/08/2013 | CN103084804A High abrasion proof drill collar processing method used in oil drilling |
| 05/08/2013 | CN103084798A Method for forging high-strength bolt |
| 05/08/2013 | CN103084797A Method for forging bolt for caterpillar track of excavator |
| 05/08/2013 | CN103084567A Method for preparing valve plate of diaphragm valve through powder metallurgy |
| 05/08/2013 | CN102605157B Heat treatment method of automotive body stamping die |
| 05/08/2013 | CN102560069B Process for hardening steel wires |
| 05/08/2013 | CN102433513B Preparation and heat treatment method of low-alloy heat-resistant high-strength steel memebers |
| 05/08/2013 | CN102409143B Heat treatment process of carbon structural steel |
| 05/08/2013 | CN102392109B Heating unit for bottom surface and conical surface of engine valve cap part and application method |
| 05/08/2013 | CN102383066B Abrasion resistant cast steel and preparation method thereof |
| 05/08/2013 | CN102363835B Intermediate frequency induction heat treatment device for steel tubes, and heat treatment method of the same |
| 05/08/2013 | CN102206828B Treatment process for improving comprehensive properties by alloying surface of sucker rod |
| 05/08/2013 | CN102203305B 连续退火炉 Continuous annealing furnace |
| 05/08/2013 | CN102010981B Continuous annealing furnace of high-efficiency energy-saving metal strip |
| 05/08/2013 | CN101993985B Constant temperature process equipment and method as well as constant temperature quenching device and method of forge piece waste heat |
| 05/08/2013 | CN101884962B Conical-face spray nozzle without blockage or air resistance and method for forming conical-face aerial fog |
| 05/02/2013 | WO2013061822A1 Ring-shaped member heat treatment method and ring-shaped member manufacturing method |
| 05/02/2013 | WO2013061629A1 Wire softening device and wire softening method |
| 05/02/2013 | WO2013060679A1 Use of a composition containing vinyl-lactam-containing polymer, solvent and at least one halogen-free biocide as a metal-quenching medium |
| 05/02/2013 | WO2013036166A3 Method and apparatus for heat treating rails |
| 05/02/2013 | DE102012021031A1 Producing a press-hardened sheet metal component, comprises partially heating a steel sheet by an inductor using an electromagnetic induction without a furnace and then transferring to press stages connected one after the other |
| 05/02/2013 | DE102012014440B3 Induktor Inductor |
| 05/02/2013 | DE102011117265A1 Verfahren zur Herstellung eines Formteiles aus hochfestem oder höchstfestem Stahl A process for the production of a molding of high-strength or super high-strength steel |
| 05/02/2013 | DE102011085205A1 Verfahren zum Herstellen eines Laufbahnelements einer Lageranordnung und Laufbahnelement A method of manufacturing a raceway member of a bearing assembly and track element |
| 05/01/2013 | EP2586881A2 Method for producing a moulded part from high-strength steel |
| 05/01/2013 | EP2586880A1 Verfahren zur thermischen Behandlung von mikromechanischen Bauteilen von Uhren |
| 05/01/2013 | EP2586879A1 Method for thermal treatment of micromechanical clock parts |
| 05/01/2013 | EP2585621A1 Tailored properties by post hot forming processing |
| 05/01/2013 | CN202913028U Water quenching control device for steel pipe |
| 05/01/2013 | CN202913025U Novel sizing block device of trolley type gas forging heat treatment furnace |
| 05/01/2013 | CN202913024U Injection slag collection device for quenching tank |
| 05/01/2013 | CN202913023U Slotless quenching device |
| 05/01/2013 | CN202913022U Quenching furnace |
| 05/01/2013 | CN202913021U Quenching media processing device |
| 05/01/2013 | CN202913020U Heat insulation device for annealing furnace |
| 05/01/2013 | CN202913019U Gas distribution device of annealing furnace |
| 05/01/2013 | CN202913018U Clamping and rotating device on vertical high-frequency quenching machine |