| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 05/09/2012 | CN102443810A Surface strengthening treatment method of cold-working die steel punch |
| 05/09/2012 | CN102443750A Hot-dipping production process of copper-clad steel wire |
| 05/09/2012 | CN102443741A Steel ball for ball mill and manufacturing method for same |
| 05/09/2012 | CN102443692A Structural transformation control method for continuous cooling process of low-carbon boron-containing steel wire of square billet |
| 05/09/2012 | CN102443691A Steel tube as well as processing method and processing equipment for steel tube |
| 05/09/2012 | CN102443690A Post-welding heat treatment technology of large-scale steel structure of cableway |
| 05/09/2012 | CN102443689A Method for controlling large slewing support raceway quenching deformation |
| 05/09/2012 | CN102443688A Protective gas treatment device and method of annealing region and bluing region of motor core heat treatment furnace |
| 05/09/2012 | CN102443686A Surface shot blasting reinforcement method of steel plate spring |
| 05/09/2012 | CN102443677A Manufacturing process for material of drilling safe device for petroleum machine |
| 05/09/2012 | CN102441768A Technology for processing dual-hardness roller sleeve ring of bearing steel |
| 05/09/2012 | CN102021313B Method for enhancing control precision of tracking system and ensuring quenching performance stability of moderately thick plates |
| 05/09/2012 | CN102010978B Protective bar device for preventing strip steel from scratching in preheating furnace |
| 05/09/2012 | CN102010963B Method for effectively controlling medium plate detection defects |
| 05/09/2012 | CN102002571B Thermal treatment method for 82B high-speed coil rod end butt welding contact |
| 05/09/2012 | CN101956056B Multifunctional same-furnace multi-band bimetal strip saw blade heat treatment full-automatic production line and process thereof |
| 05/09/2012 | CN101932746B High-strength steel sheet and process for production thereof |
| 05/09/2012 | CN101914736B Continuous annealing furnace |
| 05/09/2012 | CN101760607B Method for controlling furnace pressure of heating furnace with dual flues |
| 05/09/2012 | CN101688282B Bend pipe and process for manufacturing the same |
| 05/09/2012 | CN101629232B Heat treatment method for supercritical turbine cylinder steel castings |
| 05/08/2012 | US8172959 Austenitic stainless steel, manufacturing method for the same, and structure using the same |
| 05/08/2012 | US8172958 Method of manufacturing a diffusion-hardened medical implant |
| 05/03/2012 | WO2012057168A1 Electromagnetic steel sheet and process for production thereof |
| 05/03/2012 | WO2012056785A1 Steel for surface hardening for machine structural use, and steel component for machine structural use and process for producing same |
| 05/03/2012 | WO2012055213A1 Method and device for controlling furnace pressure of continuous annealing furnace |
| 05/03/2012 | US20120104739 Axle support, especially front axle support for motor vehicles |
| 05/03/2012 | US20120103459 High fatigue service life quenching/tempering steel tube and manufacturing method therefor |
| 05/03/2012 | DE112008000152B4 Ableitvorrichtung Eduction |
| 05/03/2012 | DE102011054718A1 Heat treatment of constructed tube wall regions or tube wall segments of a steam generator, preferably a power plant in installed state |
| 05/02/2012 | EP2447390A1 High-strength molten zinc-plated steel sheet and process for production thereof |
| 05/02/2012 | EP2447386A1 High-strength seamless steel tube for use in oil wells, which has excellent resistance to sulfide stress cracking and production method for same |
| 05/02/2012 | EP2447383A1 Pearlite based high-carbon steel rail having excellent ductility and process for production thereof |
| 05/02/2012 | EP2447382A1 High-strength ultra-fine steel wire and manufacturing method therefor |
| 05/02/2012 | EP2446977A1 Method for producing a tubular profile |
| 05/02/2012 | EP2137327B1 Steel for tool-less hot forming or quenching with improved ductility |
| 05/02/2012 | EP1854562B1 Method of production of a high-strength welded steel pipe excellent in hydrogen embrittlement cracking resistance of weld metal |
| 05/02/2012 | EP1613449B1 Method for producing helical springs or stabilisers |
| 05/02/2012 | EP1491646B1 Ferritic stainless steel sheet, and method for producing the same |
| 05/02/2012 | EP1356128B1 Method of forming an heat treating a plurality of metal castings |
| 05/02/2012 | CN202209886U Heat radiation device of oil quenching vacuum furnace |
| 05/02/2012 | CN202208751U Full-hydrogen hood-type furnace exhaust pipe |
| 05/02/2012 | CN202208750U Steel tape annealing material-loading device and material-isolating tray |
| 05/02/2012 | CN202208749U Tape rewinding oil applying device |
| 05/02/2012 | CN202208748U Chassis for bell jar type annealing furnace |
| 05/02/2012 | CN202208747U Steel pipe heat-treatment furnace |
| 05/02/2012 | CN202208746U Trolley for high-temperature annealing furnace |
| 05/02/2012 | CN202208744U Cam profiling following scanning induction hardening device |
| 05/02/2012 | CN202208742U Entangled thread preventing device of superaudio frequency thermal diffusion steel wire guiding roller |
| 05/02/2012 | CN202208741U Internal gear horizontal type single-tooth continuous induction quenching device |
| 05/02/2012 | CN102439190A Bainitic steel for moulds |
| 05/02/2012 | CN102433521A Fuel gas roller hearth continuous rapid aging furnace |
| 05/02/2012 | CN102433428A Furnace temperature controlling method in heating process of plate blank of heating furnace |
| 05/02/2012 | CN102433426A Steel strip martensite two-step quenching system |
| 05/02/2012 | CN102433425A Machine tool for continuously quenching slender steel pipe |
| 05/02/2012 | CN102433424A Local heating device of shape memory alloy spring |
| 05/02/2012 | CN102433423A Pressure quenching process and equipment for diaphragm spring |
| 05/02/2012 | CN102433422A Model correcting method for high-temperature alloy thin-wall casting |
| 05/02/2012 | CN102433417A Turntable for conveying steel cylinders |
| 05/02/2012 | CN102430901A P110 steel level high frequency straight welded pipe manufacturing method |
| 05/02/2012 | CN102430889A Method for repairing crack and chipping of shunt ring of case |
| 05/02/2012 | CN102430600A Copper wire drawing machine unit |
| 05/02/2012 | CN102430582A Roll sleeve of ultra-strong wear-resistant high alloy steel roll squeezer and manufacturing method roll sleeve |
| 05/02/2012 | CN102002638B Process for producing plastic mould steel thick plate with uniform section rigidity |
| 05/02/2012 | CN101781702B Process for heat treatment of tube body of drill rod |
| 05/01/2012 | US8168014 Method for manufacturing martensitic stainless steel pipe or tube |
| 05/01/2012 | US8168011 High-strength steel wire excellent in ductility and method of manufacturing the same |
| 05/01/2012 | CA2678110C Continuous annealing equipment |
| 04/26/2012 | WO2012053642A1 Method for manufacturing hot stamped body having vertical wall, and hot stamped body having vertical wall |
| 04/26/2012 | WO2012053637A1 Steel sheet and steel sheet production process |
| 04/26/2012 | WO2012053636A1 Process for producing hot stamp molded article, and hot stamp molded article |
| 04/26/2012 | WO2012053541A1 Steel for cold forging/nitriding, steel material for cold forging/nitriding, and cold-forged/nitrided component |
| 04/26/2012 | WO2012053044A1 Hot-rolled steel sheet, cold-rolled steel sheet, and plated steel sheet each having exellent uniform ductility and local ductility in high-speed deformation |
| 04/26/2012 | WO2012052689A1 Hot-rolled or cold-rolled steel plate, method for manufacturing same, and use thereof in the automotive industry |
| 04/26/2012 | WO2012052626A1 Hot-rolled or cold-rolled steel plate, method for manufacturing same, and use thereof in the automotive industry |
| 04/26/2012 | WO2012052105A1 Rail profile with deliberately established laser-strengthened zones |
| 04/26/2012 | DE10337962B4 Verfahren zum Härten der Nutflächen, insbesondere der Nutflanken der Ringnuten eines Stahlkolbens A method for curing the groove surfaces, in particular the flanks of the annular grooves of a steel piston |
| 04/26/2012 | CA2815018A1 Hot-rolled or cold-rolled steel plate, method for manufacturing same, and use thereof in the automotive industry |
| 04/26/2012 | CA2814646A1 Steel sheet and method for manufacturing steel sheet |
| 04/26/2012 | CA2814630A1 Method for manufacturing hot stamped body and hot stamped body |
| 04/26/2012 | CA2813915A1 Method for manufacturing hot stamped body having vertical wall and hot stamped body having vertical wall |
| 04/25/2012 | EP2444510A1 High-strength hot-dip galvannealed steel shhet with excellent workability and fatigue characteristics and process for production thereof |
| 04/25/2012 | EP2444508A1 FERRITIC Cr-STEEL FOR HEAT-RESISTANT PRECISION COMPONENT AND METHOD FOR PRODUCING SAME, AND HEAT-RESISTANT PRECISION COMPONENT AND METHOD FOR PRODUCING SAME |
| 04/25/2012 | EP1857309B1 Member for reinforcing vehicle body |
| 04/25/2012 | EP1717331B1 Steel sheet or steel pipe being reduced in expression of bauschinger effect, and method for production thereof |
| 04/25/2012 | CN202201944U 环形加热炉炉底用预制块 Annular furnace hearth prefabricated blocks |
| 04/25/2012 | CN202201943U 用于光亮退火的线材罩式炉导流筒 Wire hood draft tube furnace for bright annealing |
| 04/25/2012 | CN202201942U 全氢罩式退火炉用内罩 Full hydrogen annealing furnace with an inner cover |
| 04/25/2012 | CN202201941U 用于光亮退火的全氢罩式炉废氢燃烧系统 Hydrogen Bell-type furnace waste hydrogen combustion system for bright annealing |
| 04/25/2012 | CN202201940U 罩式光亮退火炉用的快速冷却罩 Bell-type bright annealing furnace with rapid cooling shroud |
| 04/25/2012 | CN202201939U 一种改善水冷炉底辊冷却效果的装置 A method of improving the cooling effect of the water-cooled hearth roll apparatus |
| 04/25/2012 | CN202201938U 铅锅压线辊槽 Lead pot pressure line roll groove |
| 04/25/2012 | CN202201937U Device for correcting non-roundness of carburizing and quenching gear ring |
| 04/25/2012 | CN202201936U Lifting appliance special for quenching of long stepped shaft |
| 04/25/2012 | CN202201935U 弯管热处理支架 Bend heat bracket |
| 04/25/2012 | CN202201933U Steel pipe water quenching device with movable splash plates |
| 04/25/2012 | CN202201932U 扁钢在线预硬处理装置 Online pre-hardened flat steel processing unit |
| 04/25/2012 | CN202201931U 一种热处理雾冷装置 One thermal treatment of cold mist device |
| 04/25/2012 | CN202201930U 淬火接水装置 Then water quenching device |
| 04/25/2012 | CN202201923U 一种油淬气冷真空炉 An oil quenching gas-cooled vacuum furnace |