Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
06/2011
06/15/2011CN201864759U Steel belt heat treatment device for heating steel belts by directly electrifying electrodes of pressing plate
06/15/2011CN201864758U Bakelite connecting mandrel
06/15/2011CN201864757U Steel tube heating furnace
06/15/2011CN201864756U Rotor inner bore induction hardening equipment
06/15/2011CN201864749U Automatic-positioning hardening inductor
06/15/2011CN201864746U Induction quenching device for shafts
06/15/2011CN102100124A Induction heating apparatus and induction heating method
06/15/2011CN102094114A Energy-saving gas conditioning furnace and thermal processing method for hot rolling of seamless steel pipes
06/15/2011CN102094113A Heat treatment process of train buffer material
06/15/2011CN102094111A Bar hot shear blade laser-quenching manufacturing process
06/15/2011CN101818240B Thermal processing method for medium carbon silicon manganese low alloy steel railway wheel
06/15/2011CN101733303B Method for making 17-7PH thick wall seamless pipe
06/15/2011CN101717847B Mechanical impacting and hardening method for processing high manganese steel frog
06/15/2011CN101709363B Press quenching lathe of thin-wall sleeve workpiece
06/15/2011CN101432451B Method for reducing drapes on straps caused by heat in continuous heat-treatment lines
06/15/2011CN101165195B Method for thinning steel microscopic structure of crank axle for vessel
06/14/2011US7959745 High-strength steel pipe of API X65 grade or higher
06/09/2011WO2011068328A2 Cold rolled steel sheet for processing with excellent heat resistance, and preparation method thereof
06/09/2011WO2011068231A1 Steel sheet for cans and method for producing same
06/09/2011WO2011067589A1 A method of and a welding station for laying a pipeline, with pipe section welded together by internal and external welding
06/09/2011WO2011067315A1 Hot rolling mill and method for hot rolling a metal strip or sheet
06/09/2011WO2011022463A3 Deeply carburized low or medium carbons steels
06/09/2011US20110132501 Martensitic stainless steel seamless tube for oil country tubular goods and manufacturing method thereof
06/09/2011CA2782165A1 A method of and a welding station for laying a pipeline, with pipe section welded together by internal and external welding
06/08/2011EP2330372A2 Electrically heated retort furnace for thermal treatment of metallic workpieces
06/08/2011EP2330325A2 Retort furnace for thermal treatment of metallic workpieces
06/08/2011CN201858901U Waste gas recycling system
06/08/2011CN201857413U Tension adjustment control device for annealing furnace
06/08/2011CN201857412U Water fog cooling dispersion prevention structure for seamless steel pipe drawing processing
06/08/2011CN201857411U Special furnace core pipe for hydrogen burning furnace
06/08/2011CN201857410U Clamping device on thermal processing tooling
06/08/2011CN201857409U Double-energy heating system
06/08/2011CN102089451A Aluminum-plated steel sheet for hot pressing with rapid heating, process for producing same, and method of hot-pressing same with rapid heating
06/08/2011CN102089447A Device for hardening the teeth of gear wheels by individual inductive heat treatment for each tooth, using several inductors
06/08/2011CN102086495A Production method of oxide film hot-rolled strip steel with high adhesion
06/08/2011CN102086493A Stamped high-carbon chromium bearing ring and production process thereof
06/08/2011CN102086483A Quenching method for shaft sleeve plate of hydraulic torque converter
06/08/2011CN102086482A Continuous quenching cooling system for strip metal
06/08/2011CN101792849B Vertical continuous annealing furnace
06/08/2011CN101755062B Process for manufacturing high-strength hot-rolled steel sheet
06/08/2011CN101736144B Continuous annealing method
06/08/2011CN101724739B Device for thermal treatment after welding of partition board of steam turbine
06/08/2011CN101714428B Afterheat recycling method and device thereof in enamelled wire production
06/08/2011CN101701315B Manufacturing method of submerged pipeline steel pipe
06/08/2011CN101654735B Large-scale self-aligning roller bearing ring quenching and cooling method
06/08/2011CN101528964B Seamless steel tube for airbag accumulators and process for production thereof
06/08/2011CN101454466B Method for controlling a metal strip in a heat treatment furnace
06/08/2011CN101415851B Very thin hard steel sheet and method for producing the same
06/08/2011CN101322482B Forced-feeding method for improving developing quality of goose liver, used feed and forced-feeding machine
06/08/2011CN101186963B Heat treatment technique of high strength anchor bolt for extra-high voltage transmission line rod tower
06/08/2011CN101066576B Aluminium foil base material producing process
06/07/2011US7955445 Internal high hardness type pearlitic rail with excellent wear resistance and rolling contact fatigue resistance and method for producing same
06/03/2011WO2011065591A1 HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT HYDROGEN EMBRITTLEMENT RESISTANCE AND MAXIMUM TENSILE STRENGTH OF 900 MPa OR MORE, AND PROCESS FOR PRODUCTION THEREOF
06/03/2011WO2011065023A1 Low-carbon steel sheet and process for producing same
06/03/2011WO2011064732A1 Device for maintaining the dryness of the atmosphere of an annealing furnace for metal strips, and furnace provided with said device
06/03/2011WO2011063934A1 Process to manufacture grain-oriented electrical steel strip and grain-oriented electrical steel produced thereby
06/03/2011CA2781916A1 Process to manufacture grain-oriented electrical steel strip and grain-oriented electrical steel produced thereby
06/03/2011CA2781815A1 High strength steel plate with ultimate tensile strength of 900 mpa or more excellent in hydrogen embrittlement resistance and method of production of same
06/02/2011US20110126945 Ni-BASED ALLOY HIGH-CHROME STEEL STRUCTURE AND MANUFACTURING METHOD OF THE SAME
06/02/2011US20110126791 Exhaust poppet valve and solution heat treatment method of the same
06/01/2011EP2327810A1 High-strength steel sheet and method for production thereof
06/01/2011EP2327806A1 Method for manufacturing high-strength metal wire rod
06/01/2011EP2327804A1 Exhaust poppet valve and solution treatment method of poppet valve
06/01/2011DE202011004524U1 Ofenanlage zur Wärmebehandlung Furnace for heat treatment
06/01/2011CN201853152U Preheating recovery pressure adjusting device of continuous annealing furnace
06/01/2011CN201852454U Coiler furnace
06/01/2011CN201850293U Roll collar of heating furnace
06/01/2011CN201850292U Multi-wire integrating pretreatment device for energy-saving stainless steel wire bus
06/01/2011CN201850291U Support frame for heat treatment of bar materials
06/01/2011CN201850290U Magnetic heat treatment furnace
06/01/2011CN102080204A Heating processing technology of metal steel tube
06/01/2011CN102080194A Large-deformation-preventing pipeline steel with excellent aging resistance and production method thereof
06/01/2011CN102080155A Method for recording temperature curve in heavy rail steel billet heating process
06/01/2011CN102080152A Steel wire heat treatment open-fire heating furnace with column combined type preheater
06/01/2011CN102080151A Pit type Nb3Sn coil thermal treatment furnace system under conditions of vacuum and aeration protection
06/01/2011CN102080150A Device for eliminating internal stress of U-shaped bent pipe by performing heating and annealing
06/01/2011CN102080149A Energy-saving full-automatic and atmosphere-controllable horizontal type annealing production line for discs
06/01/2011CN102080148A Quenching method of hydraulic torque converter piston
06/01/2011CN102079070A Stainless steel pill
06/01/2011CN102079037A Mechanical processing method of cam shaft of diesel engine
06/01/2011CN102078887A Production method of aluminum-magnesium alloy strip for cosmetic packaging shell
06/01/2011CN101709416B Paper-making aluminum alloy strip and manufacturing method thereof
06/01/2011CN101705437B Heat-resistant stainless steel with high-lasting strength and manufacturing method thereof
06/01/2011CN101704019B Production method of grit-blasted surface stainless steel band
06/01/2011CN101665862B Surface laser quenching process of car panel die
06/01/2011CN101412144B Welding procedure of 0Cr11Ni2MoNbV thick plate material buried arc welding automatic arc welding
05/2011
05/26/2011WO2011062970A1 Improved fatigue-resistant nitinol instrument
05/26/2011WO2011062152A1 Austenite stainless steel sheet and method for producing same
05/26/2011WO2011062151A1 High strength hot-rolled steel plate exhibiting excellent acid pickling property, chemical conversion processability, fatigue property, stretch flangeability, and resistance to surface deterioration during molding, and having isotropic strength and ductility, and method for producing said high strength hot-rolled steel plate
05/26/2011WO2011061446A2 Composite roller of an annealing line
05/26/2011WO2011060546A1 System and method for treating an amorphous alloy ribbon
05/26/2011US20110120598 High-strength steel sheets with excellent resistance to delayed fracture after forming, method for manufacturing the same, and high-strength automotive part manufactured of the same
05/26/2011CA2781067A1 System and method for treating an amorphous alloy ribbon
05/25/2011EP2325346A1 High-strength steel plate and manufacturing method thereof
05/25/2011EP2324938A1 Method and thermal recasting assembly for producing a hardened, thermally recast workpiece
05/25/2011EP2231884B1 Process of thermal treatment of rails and device thereof
05/25/2011CN201842872U Flexible contact for heating cover of electric heating cover furnace
05/25/2011CN201842871U Filament plate
05/25/2011CN201842870U Band steel cooler
05/25/2011CN201842869U Turnover device of ultra-thin steel strip annealing furnace