| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 05/07/2009 | WO2009058587A1 Polycrystalline diamond cutting tool with coated body |
| 05/07/2009 | WO2009057390A1 Steel pile having excellent enlarging properties, and method for production thereof |
| 05/07/2009 | WO2009056169A1 Drive belt ring component and manufacturing method therefor |
| 05/07/2009 | WO2009056055A1 Steel plate with yield strength of 800mpa grade and low weld cracking sensitivity, and manufacture method thereof |
| 05/07/2009 | WO2007132436A3 Process for the production of fine-grained carbon steel strips and strips thus obtainable |
| 05/07/2009 | US20090115113 Apparatus for cooling a metal strip |
| 05/07/2009 | US20090114318 Seamless steel pipe for line pipe and a process for its manufacture |
| 05/07/2009 | US20090114316 improving magnetic properties of a grain-oriented electrical steel sheet by focusing a laser beam on the surface of the sheet and irradiating surface by said laser beam in a sheet width direction to cyclically impart residual stress; for a high efficiency, low noise transformer |
| 05/07/2009 | CA2700655A1 Steel pipe with excellent expandability and method for producing the same |
| 05/06/2009 | EP2003215A9 Method for production of martensitic stainless steel pipe |
| 05/06/2009 | CN201232070Y Bell-type furnace convection board |
| 05/06/2009 | CN201232069Y Waste heat recovery and recycle apparatus for heat-treating facility during standard parts production |
| 05/06/2009 | CN101426943A Plated steel wire for PWS excelling in torsion property and process for producing the same |
| 05/06/2009 | CN101426942A Brake discs excellent in resistance to temper softening and toughness |
| 05/06/2009 | CN101426941A Brake disc having high temper softening resistance |
| 05/06/2009 | CN101426939A Method and device for cooling and stabilizing strip in a continuous line |
| 05/06/2009 | CN101424296A Method for processing crank connecting rod |
| 05/06/2009 | CN101423996A Magnetic field loomage as well as preparation method and application thereof |
| 05/06/2009 | CN101423902A Processing method of R-T-B series alloy powder for radiation magnetic loop |
| 05/06/2009 | CN101423891A Heat treating process for higher chromium abrading-ball and abrading-segment by temperature zone timing oil quenching |
| 05/06/2009 | CN101423890A Heat treating process for medium chromium abrading-ball and abrading-segment by temperature zone timing oil quenching |
| 05/06/2009 | CN101423889A Inside spline wheel gear quenching method and device |
| 05/06/2009 | CN101423888A Whole heat treatment process of integral car axle |
| 05/06/2009 | CN101423887A Method for cooling steel pipe |
| 05/06/2009 | CN101423886A Heat treating method of coupler terminal pin hole, coupler and flame heating gun head |
| 05/06/2009 | CN101423885A Corrugated roller soft belt-free induction hardening method |
| 05/06/2009 | CN101423884A Method for producing high-manganses wear resistant steel plate and steel plate produced thereby |
| 05/06/2009 | CN101422861A Accurate forming method of special-shape deep-hole type parts |
| 05/06/2009 | CN101422847A Dissimilar alloys solid-phase connection method by compressive stress state and shearing deformation die |
| 05/06/2009 | CN101422784A Rolling technique of ultra-fine grained magnesium alloy sheet |
| 05/06/2009 | CN100485078C Pipe for petroleum product, gas product and product pipelines, and method for the production thereof |
| 05/06/2009 | CN100485077C Ultrathin alloy material hose and producing method thereof |
| 05/06/2009 | CN100485075C High-carbon high-vanadium high-speed steel composite roller and heat treatment method thereof |
| 05/06/2009 | CN100485072C High-rigidity/high-strength thin steel sheet and manufacturing method therefor |
| 05/06/2009 | CN100485052C Inward spraying nozzle with shifting and rotating function |
| 05/06/2009 | CN100485051C High-damp endogenesis composite steel plates and production thereof |
| 05/06/2009 | CN100484696C Forging and rolling technology and hot rolling and forging apparatus for making large pulley |
| 05/05/2009 | US7527701 Method and plant for cooling a moving metal strip |
| 05/05/2009 | US7527700 High strength hot rolled steel sheet and method for manufacturing the same |
| 04/30/2009 | WO2009054539A1 High-strength hot-dip zinc plated steel sheet excellent in workability and process for manufacturing the same |
| 04/30/2009 | WO2009054530A1 Carbonitrided induction-hardened steel part with excellent rolling contact fatigue strength at high temperature and process for producing the same |
| 04/30/2009 | WO2009054266A1 Fixed constant velocity universal joint |
| 04/30/2009 | WO2009054214A1 Constant speed universal joint |
| 04/30/2009 | US20090110951 Atomically Sharp Iridium Tip |
| 04/30/2009 | US20090110589 Steel Material and Process for Producing the Same |
| 04/30/2009 | DE10041179B4 Vorrichtung und Verfahren zum Bearbeiten einer Innenfläche einer zylinderförmigen Bohrung Apparatus and method for processing an inner surface of a cylindrical bore |
| 04/30/2009 | CA2697226A1 High tensile strength galvanized steel sheet excellent in formability and method for manufacturing the same |
| 04/30/2009 | CA2695472A1 Secondary-hardening gear steel |
| 04/29/2009 | EP2053140A1 High-strength steel sheets and processes for production of the same |
| 04/29/2009 | EP2053139A1 Hot-rolled steel sheets excellent both in workability and in strength and toughness after heat treatment and process for production thereof |
| 04/29/2009 | EP2052090A1 Coiling furnace |
| 04/29/2009 | CN201228276Y End refrigerating device of heating stove roller |
| 04/29/2009 | CN201228275Y Truck stringer induction heat-treatment equipment |
| 04/29/2009 | CN201228272Y Bell-type annealing furnace coil base diffuser |
| 04/29/2009 | CN101421425A Method of pretreatment for quenching of martensitic tool steel and method of quenching |
| 04/29/2009 | CN101421424A Process for producing steel material |
| 04/29/2009 | CN101418632A High strength high plasticity hot-rolled screw thread steel product for prestressed concrete and technique for processing thereof |
| 04/29/2009 | CN101418421A High intensity oil casing tube for resisting sulfurated hydrogen corrosion and method for producing the same |
| 04/29/2009 | CN101418419A Middle and low intensity oil casing tube for resisting sulfurated hydrogen corrosion and method for producing the same |
| 04/29/2009 | CN101418415A Fe-Ga base magnetic striction wire and preparation method thereof |
| 04/29/2009 | CN101418369A Heat treating method of special-shaped plate spring and mould |
| 04/29/2009 | CN101417382A Milling-rod production method |
| 04/29/2009 | CN101417296A Manufacture method of large caliber high steel grade corrosion proof seamless steel tube in diameter phi 219.0-460.0mm |
| 04/29/2009 | CN100482994C N80-1 external thickening oil pipe and its production |
| 04/29/2009 | CN100482846C Hot dip alloyed zinc coated steel sheet and method for production thereof |
| 04/29/2009 | CN100482840C Nickel-base high-temperature alloy material for guide roller and heat treatment process thereof |
| 04/29/2009 | CN100482813C Annealing furnace roller surface peening coating and method for making same |
| 04/29/2009 | CN100482812C Rail heat processing method and rail heat processing unit |
| 04/29/2009 | CN100482405C Technique for fabricating planar whirl spring of flat wire in hard state |
| 04/29/2009 | CN100482394C Bead welding method for 27SiMn thick wall steel pipe |
| 04/28/2009 | US7524384 Having a higher percentage elongation but equal maximum rupture strength formed by hot rolling, cold rolling and annealing in a continuous, cyclic process until pearlitic transformation is reached |
| 04/28/2009 | US7523631 Cooling device, manufacturing method, and manufacturing line for hot rolled steel band |
| 04/23/2009 | WO2007030274A3 Method for bonding titanium based mesh to a titanium based substrate |
| 04/23/2009 | US20090101247 Method for producing martensitic stainless steel pipe |
| 04/23/2009 | US20090101246 Induction Hardening Method And Jig Used In Induction Hardening Process |
| 04/23/2009 | DE112007001216T5 Stahlblech und Stahlblechrolle Steel plate and steel plate coil |
| 04/23/2009 | DE102007049197A1 Increasing fatigue strength of vehicle crank shaft, hardens specified cheek areas individually using energetic beam, electric arc or induction heating |
| 04/22/2009 | EP2050835A1 Steel for automobile undercarriage component excelling in fatigue performance and process for manufacturing automobile undercarriage component using the steel |
| 04/22/2009 | EP2050834A1 Dr steel sheet and process for manufacturing the same |
| 04/22/2009 | EP2050829A1 Continuous annealing apparatus |
| 04/22/2009 | EP2050532A1 Multilayer steel and method for producing multilayer steel |
| 04/22/2009 | EP2049300A2 Method for producing a corrosion-resistant, workable sheet metal with full-surface coating of the joined, thermally treated steel sheets |
| 04/22/2009 | EP2002903A9 Method for production of seamless pipe, and oxidizing gas supply apparatus |
| 04/22/2009 | EP1965957B1 Automated control of razor blade colorization |
| 04/22/2009 | EP1473377B1 Magnetic base material, laminate from magnetic base material and method for production thereof |
| 04/22/2009 | EP1201773B1 High-strength spring and production method therefor |
| 04/22/2009 | EP0985743B1 Method of forming an insulating film on a magnetic steel sheet |
| 04/22/2009 | CN201224753Y Full-sized ring sleeve part quenching equipment |
| 04/22/2009 | CN201224752Y Apparatus for preventing crack of two intermediate roll drive teeth of rolling mill |
| 04/22/2009 | CN201224751Y Stainless steel coil pipe component heat treatment device |
| 04/22/2009 | CN201224750Y Residual heat utilization and preheat temperature rising system of heat processing furnace |
| 04/22/2009 | CN101415856A Process for producing alloyed hot-dip zinc-coated steel sheet satisfactory in processability, non-powdering property, and sliding property |
| 04/22/2009 | CN101415855A Method and apparatus for thermally processing sectional materials, and sectional materials |
| 04/22/2009 | CN101415851A Very thin hard steel sheet and method for producing the same |
| 04/22/2009 | CN101413088A Sulfurated hydrogen stress etching-resisting petroleum casing pipe and manufacturing method thereof |
| 04/22/2009 | CN101413084A Silicon-chromium-boron alloy wear resistant ball and manufacturing method thereof |
| 04/22/2009 | CN101413051A On-line heat treatment wire collecting and conveying system |
| 04/22/2009 | CN101413050A Postweld heat welding method |
| 04/22/2009 | CN101412182A Cold roll milling technology for rotor blade and stator blade of high pressure compressor for GH150 alloy |
| 04/22/2009 | CN101412156A Process for assembling and welding ultralong hollow shafting auger flight |