| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 07/25/2012 | CN102605157A Heat treatment method of automotive body stamping die |
| 07/25/2012 | CN102605151A Gear shaft quenching work fixture |
| 07/25/2012 | CN102605150A Quenching liquid and quenching technology for improving through quenching thickness of 50CrVA spring steel |
| 07/25/2012 | CN102605149A Irregular bearing ring heat treatment process and quenching oil applicable to same |
| 07/25/2012 | CN102605148A Weathering steel flame straightening process |
| 07/25/2012 | CN102605147A Method for carrying out normalizing heat treatment by using waste heat from forging of forged piece |
| 07/25/2012 | CN102605146A High-performance furnace bottom plate of annular annealing furnace |
| 07/25/2012 | CN102605145A Steel isothermal quenching-tempering cooling technology |
| 07/25/2012 | CN102601175A Bar quenching straightener |
| 07/25/2012 | CN102601174A Round billet quenching straightening machine |
| 07/25/2012 | CN102220534B Method for reinforcing binder phase of hard alloy |
| 07/25/2012 | CN102181798B Processing method of high yield ratio and high plasticity steel product for prestressed concrete |
| 07/25/2012 | CN102181797B Method for processing steel strand for prestressed concrete |
| 07/25/2012 | CN102181611B Induction quenching method for crawler belt plate of crawler crane and device |
| 07/25/2012 | CN102108433B Method for quenching bearing steel |
| 07/25/2012 | CN102080192B Low-yield ratio, high-plasticity, ultrafine-grain and high-strength steel and manufacturing method thereof |
| 07/25/2012 | CN102071296B Improved grinding ball quenching bed |
| 07/25/2012 | CN102033978B Method for forecasting and producing narrow hardenability strip steel by hardenability |
| 07/25/2012 | CN102002558B Step quenching-distribution heat treatment technology of steels containing carbide formation inhibiting elements |
| 07/25/2012 | CN102000813B Integrated metal processing facility and method |
| 07/25/2012 | CN101988145B Heating chamber with groove structure |
| 07/25/2012 | CN101962440B Polyether for preparing quenching liquid and polymerization method thereof |
| 07/25/2012 | CN101879640B Ceramic sputtering target assembly and seaming method thereof |
| 07/25/2012 | CN101838721B Steel coil preheating method capable of preventing rusting |
| 07/25/2012 | CN101787489B Easy-welding low-carbon bainitic steel and manufacturing method thereof |
| 07/25/2012 | CN101775468B Normal-pressure nitrogen and water mixed gas jet quenching device |
| 07/25/2012 | CN101270452B Connection material for flashing light jointing of hadfield steel cross frog and carbon steel rails, and production method thereof |
| 07/25/2012 | CN101255488B Quality optimization process for H13 steel vacuum thermal treatment |
| 07/24/2012 | US8226883 System and method for hardening rails |
| 07/24/2012 | CA2502114C Cold-worked steels with packet-lath martensite/austenite microstructure |
| 07/19/2012 | WO2012095493A1 Corrosion-resistant spring and method for producing same |
| 07/19/2012 | WO2011079341A8 Thermomechanical treatment method |
| 07/19/2012 | US20120180911 Method for producing a hole in plate member |
| 07/18/2012 | CN202339111U 一种退火炉中使用的节能锚杆 Bolt one kind of energy-saving use in annealing furnace |
| 07/18/2012 | CN202337812U 淬火炉的温控系统 Quenching furnace temperature control system |
| 07/18/2012 | CN202337811U 导电轮组件 Conductive wheel assembly |
| 07/18/2012 | CN202337809U 一种自动化箱式热处理设备 An automated box-type heat treatment equipment |
| 07/18/2012 | CN202337808U 一种自动化热处理设备 An automated heat treatment equipment |
| 07/18/2012 | CN202337807U 锯片基体淬火抓料装置 Saw the matrix hardening caught feeding device |
| 07/18/2012 | CN202337806U 双组工位自动淬火机床 Dual station automatic hardening machine |
| 07/18/2012 | CN202337805U 高频感应加热淬火机床的控制装置 Induction hardening machine control device |
| 07/18/2012 | CN202337804U 高效感应加热淬火机床的控制电路 Efficient Induction Hardening machine control circuit |
| 07/18/2012 | CN202337803U 立式挤压淬火机床 Vertical extrusion quenching machine |
| 07/18/2012 | CN202337802U 挤压淬火机床的温控系统 Extrusion quenching machine temperature control system |
| 07/18/2012 | CN202337801U 一种圆管淬火加热体 One kind of tube quenching body |
| 07/18/2012 | CN202337800U 铸造产品用双频感应加热淬火机床 Casting products with Frequency Induction Hardening Machine |
| 07/18/2012 | CN202337799U 一种钢管水雾冷却装置 Mist cooling device for a steel pipe |
| 07/18/2012 | CN202337798U 一种自动化中频正火线 An automated IF positive FireWire |
| 07/18/2012 | CN202337797U 汽车发电机爪极的余热退火保温箱 Automobile generator claw pole of heat annealing incubator |
| 07/18/2012 | CN202337796U 电极和淬火设备 Electrodes and quenching equipment |
| 07/18/2012 | CN102597297A Surface treatment of amorphous coatings |
| 07/18/2012 | CN102589300A Sizing block for bogie type gas heat treatment furnace |
| 07/18/2012 | CN102588438A Manufacturing method of pitch-regulated swing bearing of wind power generator |
| 07/18/2012 | CN102586698A Axletree steel and heat treatment method thereof |
| 07/18/2012 | CN102586694A Gear steel and heat treatment method thereof |
| 07/18/2012 | CN102586691A Bainite cast steel and preparation method thereof |
| 07/18/2012 | CN102586680A Low-yield-ratio steel plate for high-rise building structure and normalization process for steel plate |
| 07/18/2012 | CN102586679A Extra-deep drawing IF steel and annealing process thereof |
| 07/18/2012 | CN102586678A Wheel steel for high-strength long-fatigue-life heavy-duty truck and treatment process thereof |
| 07/18/2012 | CN102586677A Low-carbon low-alloy steel and preparation method thereof |
| 07/18/2012 | CN102586670A Iron-based composite material reinforced by in-situ titanium carbide grains and preparing method thereof |
| 07/18/2012 | CN102586583A Heat treatment process for free forging die for medium carbon steel |
| 07/18/2012 | CN102586582A Bottom side air inlet type non-standard bell-type furnace |
| 07/18/2012 | CN102586581A Top forced convection type non-standard bell-type furnace |
| 07/18/2012 | CN102586580A Bell-type furnace annealing process for BSYE-N steel belt |
| 07/18/2012 | CN102586576A Vertical annealing furnace for coated superconducting substrate |
| 07/18/2012 | CN102586573A Leakage detecting overvoltage protective device suitable for body of annealing furnace |
| 07/18/2012 | CN102586571A Quenching processing method for main shaft of fan |
| 07/18/2012 | CN102586569A Heat treatment process for TP310Cb/T11 bimetal composite tube |
| 07/18/2012 | CN102586568A Intermediate frequency induction heat-treatment process for seamless steel pipe |
| 07/18/2012 | CN102586566A Heat treatment process for iron core of motor |
| 07/18/2012 | CN102586564A Heat treatment clamp and heat treatment method for speed change cone drum box |
| 07/18/2012 | CN102586555A Long-temperature area vacuum heat treatment furnace with rails in hot area |
| 07/18/2012 | CN102586554A Quenching system |
| 07/18/2012 | CN102586553A High precision titanium alloy resistance heating furnace |
| 07/18/2012 | CN102586552A Heat treatment method for compression joint type workpiece |
| 07/18/2012 | CN102586551A Bottom heating non-standard bell-type furnace |
| 07/18/2012 | CN102586550A Heat treatment method for stainless steel heat-resistant steel forging |
| 07/18/2012 | CN102586549A System for utilizing waste heat of flue gas of annealing furnace |
| 07/18/2012 | CN102586548A Laser strengthening method for casting roller of aluminum casting rolling mill |
| 07/18/2012 | CN102585568A Anti-oxidation coating for heat treatment of iron and preparation method thereof |
| 07/18/2012 | CN102581574A Method for machining inner gear rings |
| 07/18/2012 | CN102581007A Method for producing steel for automotive outer plate with width of 2,000-2,070mm |
| 07/18/2012 | CN102344999B Method for determining tempering temperature |
| 07/18/2012 | CN102021307B Thermal-treatment annular orientation technology of annular magnetic steel |
| 07/18/2012 | CN101871043B Steam generator of annealing furnace and control method thereof |
| 07/18/2012 | CN101864514B EA1T steel axle heat treatment method |
| 07/18/2012 | CN101838731B Correcting quenching method for elliptical or conical deformation generated by carburized thin-wall ring gear |
| 07/18/2012 | CN101713018B Descaling method of U75V heavy rail steel blank |
| 07/18/2012 | CN101691627B Device for producing high-speed steel pre-hardening material |
| 07/18/2012 | CN101670383B Method for manufacturing inner covered stainless steel compound steel pipe |
| 07/18/2012 | CN101649386B Rapid water cooling apparatus for hollow tube-shaped heat-treated objects |
| 07/18/2012 | CN101634005B 钛板卷退火工艺 Titanium coil annealing process |
| 07/18/2012 | CN101568652B Method of forming {100} texture on surface of iron or iron-base alloy sheet, method of manufacturing non-oriented electrical steel sheet by using the same and non-oriented electrical steel sheet manufactured therefor |
| 07/18/2012 | CN101529974B Induction heater |
| 07/18/2012 | CN101448578B Anti-oxidation spraying method of steel billet and spraying equipment thereof |
| 07/18/2012 | CN101294772B Cooled gas duct changing device for vacuum heat treatment furnace |
| 07/17/2012 | US8222566 Elongated intracorporal medical device |
| 07/17/2012 | CA2420229C Stainless steel and stainless steel surface |
| 07/12/2012 | WO2011060517A8 Stainless steel for molds having a lower delta-ferrite content |