| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 09/28/2011 | CN101748258B Production method for improving magnetic properties of low temperature GO oriented silicon steel |
| 09/28/2011 | CN101748257B Method for manufacturing oriented silicon steel |
| 09/28/2011 | CN101748253B Preparation method of low-temperature GO-oriented silicon steel |
| 09/28/2011 | CN101684516B Piecewise heat treatment method of large pressure container |
| 09/28/2011 | CN101671796B Ferritic stainless steel sheet causing little orange peel due to working and production method therefor |
| 09/28/2011 | CN101660025B Medium frequency induction hardening process of super large diameter bearing steel castings |
| 09/28/2011 | CN101613829B Steel pipe for borehole operation of 150ksi steel grade high toughness oil and gas well and production method thereof |
| 09/28/2011 | CN101608284B Manufacturing method of titanium microalloyed hot rolled strip |
| 09/28/2011 | CN101567234B Method for preparing capacity-increased and energy-saving overhead power transmission shaped conductor |
| 09/28/2011 | CN101490296B Hot-rolled high-carbon steel sheets and process for production of the same |
| 09/27/2011 | US8025982 High-strength hot dip galvannealed steel sheet having high powdering resistance and method for producing the same |
| 09/22/2011 | WO2011115539A1 Press hardening plant and a method of press hardening a steel sheet blank |
| 09/22/2011 | WO2011115255A1 Spring steel and surface treatment method for steel material |
| 09/22/2011 | WO2011114836A1 Steel for case-hardening treatment, case-hardened steel component, and method for producing same |
| 09/22/2011 | WO2011114775A1 Steel for nitrocarburization, nitrocarburized components, and production method for same |
| 09/22/2011 | WO2011113404A1 Method for producing workpieces from lightweight steel having material properties that can be adjusted over the wall thickness |
| 09/22/2011 | WO2011113165A1 Process and apparatus for heating elongated metal products |
| 09/22/2011 | US20110226392 Drive device, lens barrel, image pickup apparatus, lens drive method and method of producing shape memory alloy |
| 09/22/2011 | DE102010034161A1 Verfahren zur Herstellung von Werkstücken aus Leichtbaustahl mit über die Wanddicke einstellbaren Werkstoffeigenschaften A process for the production of workpieces made of light metal with a wall thickness about the material properties adjustable |
| 09/22/2011 | DE102010012100A1 Crankshaft for reciprocating engine of motor vehicle, by which translational movement of piston of reciprocating engine is converted into rotational movement of the crankshaft and which is made of steel, comprises outer peripheral section |
| 09/21/2011 | EP2366805A1 Method for manufacturing press hardened components |
| 09/21/2011 | EP2366034A1 Process for producing a component having improved elongation and break properties |
| 09/21/2011 | EP2160267B1 Melt-treated rim of a piston combustion bowl |
| 09/21/2011 | CN201983599U 井式热处理炉工装料具 Pit tooling material with heat treatment furnace |
| 09/21/2011 | CN201981249U 挤压铝型材生产的在线淬火装置 Aluminum extrusion production line quenching device |
| 09/21/2011 | CN201981239U U型弯管加热退火消除内应力装置 U-bend device thermal annealing to eliminate stress |
| 09/21/2011 | CN201981237U 热处理用辊底式淬火机 Roller hearth hardening heat treatment machine |
| 09/21/2011 | CN201981235U 固溶热处理炉 Solution heat treatment furnace |
| 09/21/2011 | CN201981234U 固溶热处理炉设备 Solution heat treatment furnace equipment |
| 09/21/2011 | CN201981233U 限型淬火设备用辊棒式自动取送料小车 Limit type quenching equipment taken by the Roller automatic feeding trolley |
| 09/21/2011 | CN201981232U 套圈类零件的环形限型淬火设备 Parts of the annular rings limit type quenching equipment |
| 09/21/2011 | CN201981231U 限型淬火模具的球面调心连接结构 Limit type hardening mold aligning spherical connection structure |
| 09/21/2011 | CN201981230U Spray cooling device for bogie hearth type heat treatment furnace |
| 09/21/2011 | CN102191496A Material of guide sliding shoe of coal-winning machine and preparation method of material |
| 09/21/2011 | CN102191444A Stress-relaxation shaping method for complicated irregular-shaped integrated wallboard |
| 09/21/2011 | CN102191438A Steel plate for seamless high pressure gas cylinder, and manufacture method thereof |
| 09/21/2011 | CN102191437A Seamless steel tube for petroleum cracking and heat treatment method thereof |
| 09/21/2011 | CN102191427A Optimized method and process for applying hotwork die steel onto aluminum hub die |
| 09/21/2011 | CN102191414A Aluminum alloy cable strap material and production method thereof |
| 09/21/2011 | CN102191370A Double-line continuous steel band heat treatment system |
| 09/21/2011 | CN102191369A Ignition control system of cold-rolling continuous annealing furnace |
| 09/21/2011 | CN102191367A Dust cover device |
| 09/21/2011 | CN102191366A Manufacture method capable of improving patterns of common-type ferrite stainless steel plate |
| 09/21/2011 | CN102191365A Quenching method and quenching machine tool for single ring of ring chain |
| 09/21/2011 | CN102191363A Method for producing wear-resisting steel plates with thickness of 2 to 15mm |
| 09/21/2011 | CN102191361A Cooling device for use in heat treatment process for chain part |
| 09/21/2011 | CN102191360A Combined temperature control quenching furnace |
| 09/21/2011 | CN102191359A Wind power steel ball billet hot upset forging technology |
| 09/21/2011 | CN102191358A GCr15 high-carbon chromium bearing steel hot forging billet waste heat temperature control ball annealing technology |
| 09/21/2011 | CN101845582B Production method of high magnetic induction oriented silicon steel |
| 09/21/2011 | CN101736286B Dysprosium-containing plasma surface low-alloy high-speed steel |
| 09/21/2011 | CN101736137B Pressure quenching mold for obtaining quality-controllable intensified heat-treated superhigh intensity steel plate |
| 09/21/2011 | CN101691626B Production method of pre-hardened high-speed steel products and production device thereof |
| 09/21/2011 | CN101671797B High-phosphorous weather-proof steel cast-rolling thin strip with negative phosphorous segregation on surface and preparation method thereof |
| 09/21/2011 | CN101660028B Water-soluble quenching agent and preparation method thereof |
| 09/21/2011 | CN101148694B Copper/iron alloy composite wire material and anneal manufacturing method thereof |
| 09/21/2011 | CN101148691B Steel/steel composite wire material and anneal manufacturing method thereof |
| 09/20/2011 | US8021497 Method for producing a hardened steel part |
| 09/20/2011 | CA2519509C Method for the thermomechanical treatment of steel |
| 09/15/2011 | WO2011111873A1 High-strength steel and high-strength bolt with excellent resistance to delayed fracture, and manufacturing method therefor |
| 09/15/2011 | WO2011111872A1 High-strength steel and high-strength bolt with excellent resistance to delayed fracture, and manufacturing method therefor |
| 09/15/2011 | WO2011111333A1 High-strength pressed member and method for producing same |
| 09/15/2011 | WO2011111269A1 Carburized steel component having excellent low-cycle bending fatigue strength |
| 09/15/2011 | WO2011079341A3 Thermomechanical treatment method |
| 09/15/2011 | US20110220631 Method of stabilizing thermal resistors |
| 09/15/2011 | US20110220249 Continuous production system for magnetic processing of metals and alloys to tailor next generation materials |
| 09/15/2011 | DE102010010642A1 Verfahren zur Herstellung eines bruchgetrennten Bauteils und nach dem Verfahren hergestelltes Bauteil A process for preparing a fraction separate component and component produced by the process |
| 09/14/2011 | EP2365103A1 High-strength steel machined product and method for manufacturing the same, and method for manufacturing diesel engine fuel injection pipe and common rail |
| 09/14/2011 | EP2365100A2 Method for producing a molded part having at least two structure zones with different ductilities |
| 09/14/2011 | CN201971875U 用于带钢在硅钢连续退火干燥炉穿带的装置 Silicon steel strip in a continuous annealing furnace through the drying zone of the apparatus for |
| 09/14/2011 | CN201971872U 一种钢帘线电镀黄铜作业线水淬火热处理可调装置 One kind of brass plated steel cord processing line water quenching adjustable devices |
| 09/14/2011 | CN201971871U 一种退火装置 One kind of annealing device |
| 09/14/2011 | CN201971869U 高碳钢齿环连续炉调质装置 High carbon steel toothed ring continuous furnace quenching device |
| 09/14/2011 | CN201971865U 钢材热处理炉用气氛增湿器 Steel heat treatment furnace atmosphere humidifiers |
| 09/14/2011 | CN201971864U 一种高频淬火用感应器 A high-frequency Induction Hardening |
| 09/14/2011 | CN201971863U 新型数控感应淬火机床 New CNC induction hardening machine |
| 09/14/2011 | CN201971862U 限型淬火的一体化淬火模具 Limit type quench hardening mold integration |
| 09/14/2011 | CN201971861U 电加热炉 Electric Furnace |
| 09/14/2011 | CN201971860U 细长活塞杆中高频淬火防弯曲变形装置 In preventing the induction hardening of elongated rod bending device |
| 09/14/2011 | CN201971859U 高效的适用于热处理炉的风循环导流装置 Efficient air circulation diversion device is suitable for heat treatment furnace |
| 09/14/2011 | CN201971858U 罩式热处理炉 Bell-type heat treatment furnace |
| 09/14/2011 | CN1985016B High-strength hot-dip galvanized steel sheet and method for producing the same |
| 09/14/2011 | CN102184775A Method for manufacturing iron-based amorphous iron core with height of more than 45 millimeters |
| 09/14/2011 | CN102182877A Penetration-preventing steel-based composite pipe and production process thereof |
| 09/14/2011 | CN102181820A Method for enhancing coercivity of neodymium-iron-boron magnet material |
| 09/14/2011 | CN102181804A Steel plate for Class I nuclear key equipment and manufacturing method thereof |
| 09/14/2011 | CN102181798A Processing method of high yield ratio and high plasticity steel product for prestressed concrete |
| 09/14/2011 | CN102181797A Method for processing steel strand for prestressed concrete |
| 09/14/2011 | CN102181795A Superhigh-strength armour plate and manufacturing process thereof |
| 09/14/2011 | CN102181794A Hardening and tempering high-strength steel plate for wood based panel equipment and production method of tempering high-strength steel plate |
| 09/14/2011 | CN102181793A Process for manufacturing steel forge piece of vertical conveying pipe of deep sea oil extraction equipment |
| 09/14/2011 | CN102181787A Refractory corrosion-resisting steel as well as preparation and heat treatment method thereof |
| 09/14/2011 | CN102181622A Method for performing step quenching on spline shaft of transmission shaft by using forging waste heat |
| 09/14/2011 | CN102181621A Quenching and tempering treatment method of steel slender axle type part |
| 09/14/2011 | CN102181618A Protective gas for annealing of metal materials |
| 09/14/2011 | CN102181617A Vertical rotation hardening device of wind driven generator spindle |
| 09/14/2011 | CN102181616A Device and method for preventing cavity member from being oxidized during stress relief annealing |
| 09/14/2011 | CN102181615A Automotive half shaft quenching process method and quenching induction coil |
| 09/14/2011 | CN102181614A Quenching process for heat treatment color finished products |
| 09/14/2011 | CN102181613A Heat treatment method for large-scale Cr12Mov workpiece |