| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 03/29/2012 | WO2012039255A1 Automobile part, manufacturing method for same and manufacturing device of same |
| 03/29/2012 | WO2012037905A1 Method and device for conducting the flow in industrial furnaces for the thermal treatment of metal materials/workpieces |
| 03/29/2012 | US20120074621 Press quenching machine for steel plates |
| 03/29/2012 | CA2810501A1 Elevated temperature forming methods for metallic materials |
| 03/28/2012 | EP2434026A1 Continuous annealing furnace |
| 03/28/2012 | CN202176716U 一种具有纤维幕帘的出口密封装置 A sealing device having a fiber outlet curtain |
| 03/28/2012 | CN202175706U Annealing argon protection device for titanium roll belt |
| 03/28/2012 | CN202175701U 一种新型渗碳钢轴承套圈淬火模具 A new hardened steel bearing rings hardened mold |
| 03/28/2012 | CN202175700U 新型水浴控温装置 The new water bath temperature control device |
| 03/28/2012 | CN202175699U 3兆瓦风电主轴轴承淬火油槽 3 MW wind power spindle bearings quench tank |
| 03/28/2012 | CN202175698U 轴承套圈组合淬火装置 Bearing rings hardening apparatus combination |
| 03/28/2012 | CN202175697U 一种带钢板换热器预热装置 A tape plate heat exchanger preheating device |
| 03/28/2012 | CN202175696U 一种退火炉在线烟道 One kind of annealing furnace flue Online |
| 03/28/2012 | CN202175695U 环状非晶磁芯串存储架 Cyclic amorphous core string storage rack |
| 03/28/2012 | CN202175694U 保护气氛网带炉预热区加热装置 Protective atmosphere mesh belt furnace preheating zone heating device |
| 03/28/2012 | CN1827795B Ferrous seal sliding parts and producing method thereof |
| 03/28/2012 | CN102395800A A method for providing a friction member, a friction member and an assembly with a friction member |
| 03/28/2012 | CN102395691A Surface treatment apparatus and method using plasma |
| 03/28/2012 | CN102392260A Carburizing direct quenching process for large-scale wind power gear/gear shaft |
| 03/28/2012 | CN102392192A Steel plate with thickness of 80mm and low compression ratio for ocean engineering and manufacturing method thereof |
| 03/28/2012 | CN102392185A Normalized acid resistant hot-rolled steel plate and preparation method thereof |
| 03/28/2012 | CN102392174A Method and device for preparing magnetostrictive material |
| 03/28/2012 | CN102392124A Heat treatment technology method for improving obdurability of high-speed steel |
| 03/28/2012 | CN102392119A Online comprehensive control method for hot-galvanized continuous annealing furnace |
| 03/28/2012 | CN102392115A Thermal treatment method for high-grade steel casing pipe with reasonable deep processing properties |
| 03/28/2012 | CN102392114A Thermal calibration method for precisely cast structural pieces of cartridge receiver |
| 03/28/2012 | CN102392113A Device and process for carrying out heat treatment on nanometer composite permanent-magnetic materials |
| 03/28/2012 | CN102392112A Protective plate-free steel band water-cooling quenching device |
| 03/28/2012 | CN102392111A Air-quenched vibrating device for heat treatment |
| 03/28/2012 | CN102392110A Novel over-speed bright quenching oil composition and preparation method thereof |
| 03/28/2012 | CN102392109A Heating unit for bottom surface and conical surface of engine valve cap part and application method |
| 03/28/2012 | CN102392108A Magnetic annealing furnace for magnetic conductive iron core |
| 03/28/2012 | CN102392107A Quenching method for 20Cr13-40Cr13 martensite stainless steel |
| 03/28/2012 | CN102392106A Heat treatment process of 30CrMnSiA alloy constructional steel |
| 03/28/2012 | CN102392105A Metal workpiece surface laser bionic strengthening method and device |
| 03/28/2012 | CN102392104A Method and apparatus for reinforcing surface of cavity of die with plasma beam |
| 03/28/2012 | CN102389960A Casting and heat treatment production method of mechanical concrete pump pipe |
| 03/28/2012 | CN101906522B Circular seam local heat-treatment heater for nuclear steam generator |
| 03/28/2012 | CN101899622B Alloy steel for high-pressure container and preparation method thereof |
| 03/28/2012 | CN101892487B Corrosion resistance processing method for composite structure layer formed on surface of cold-rolling mild steel plate |
| 03/28/2012 | CN101824516B Supersonic frequency quenching process for roller path of hub bearing assembly |
| 03/28/2012 | CN101812634B Low-carbon low-welding crack-sensitive high-strength steel and steel plate and manufacture method thereof |
| 03/28/2012 | CN101787486B Baking-aging resistant colored steel plate/strip and manufacturing method thereof |
| 03/28/2012 | CN101775539B High-flexibility wear-resistant steel plate and manufacturing method thereof |
| 03/28/2012 | CN101709364B Metal heat-treatment controllable slow-cooling device and intelligent on-line monitoring system |
| 03/28/2012 | CN101684540B Martensitic stainless steel with high Mn content |
| 03/27/2012 | US8141230 Press-hardened component and process for producing a press-hardened component |
| 03/27/2012 | CA2652329C Device for hardening of rails |
| 03/22/2012 | WO2012035900A1 Iron steel member having nitrogen compound layer, and process for production thereof |
| 03/22/2012 | WO2012035240A1 Martensitic stainless steel machineability optimization |
| 03/22/2012 | US20120068391 Cooling apparatus, cooling method, manufacturing apparatus and manufacturing method of hot-rolled steel sheet |
| 03/22/2012 | US20120067470 Cooling method and cooling device of hot-rolled steel strip |
| 03/22/2012 | US20120067467 Quenching device and quenching method |
| 03/22/2012 | DE102010012833B4 Längsträger sowie Längsträgeranordnung Longitudinal beams and longitudinal beam arrangement |
| 03/22/2012 | CA2810781A1 Martensitic stainless steel machineability optimization |
| 03/21/2012 | EP2431485A1 Method of and device for removing scale deposits from a steel slab heat treatment construction |
| 03/21/2012 | EP2430198A1 Method of strengthening a mechanical part made of a ferrous alloy |
| 03/21/2012 | EP1658387B1 Process of production and production system of high strength galvannealed steel sheet |
| 03/21/2012 | CN202170353U 连续退火复绕机 Continuous annealing rewinder |
| 03/21/2012 | CN202170352U 一种可重复使用的防变形热处理装置 An apparatus for heat treating of preventing deformation reusable |
| 03/21/2012 | CN202170351U 风力发电机主轴竖立回转淬火装置 The erection of wind turbines turning hardened spindle apparatus |
| 03/21/2012 | CN202170350U 齿轮激光相变处理用定位装置 Laser treatment phase change gear positioning device |
| 03/21/2012 | CN1831303B Rolling bearing |
| 03/21/2012 | CN102384659A Heat energy recovering and utilizing device for thermal treatment furnace |
| 03/21/2012 | CN102384266A Multifunctional crown block piston rod |
| 03/21/2012 | CN102383136A Heat treatment process for steel of transmission line tower |
| 03/21/2012 | CN102383073A On-line solid solution furnace |
| 03/21/2012 | CN102383066A Abrasion resistant cast steel and preparation method thereof |
| 03/21/2012 | CN102383059A Hot rolled transformation induced plasticity (TRIP) steel and preparation method thereof |
| 03/21/2012 | CN102383053A New heat treatment enhancing process of heat resistant steel |
| 03/21/2012 | CN102383036A Medium carbon alloy steel applicable to forging afterheat quenching |
| 03/21/2012 | CN102383031A High-strength binding band and production method thereof |
| 03/21/2012 | CN102383025A Preparation method of super-critical high alloy steel suitable for thermal power unit |
| 03/21/2012 | CN102382972A Single-tubular gas protection fiber thermal treatment device |
| 03/21/2012 | CN102382971A Metal ring transporting rack and metal ring loading method |
| 03/21/2012 | CN102382967A Waste heat annealing process for automobile generator claw pole |
| 03/21/2012 | CN102382966A Accelerating cooling technology after medium plate tempering |
| 03/21/2012 | CN102382965A Valve stem end quenching device |
| 03/21/2012 | CN102382963A Heat treatment method for improving room-temperature ductility of high-silicon electrical steel |
| 03/21/2012 | CN102382959A Heat insulating cover used for slow cooling of forgings |
| 03/21/2012 | CN102382958A Heat treatment method for improving magnetic conductivity of nanocrystalline magnetic core |
| 03/21/2012 | CN102382957A Bevel gear quenching die |
| 03/21/2012 | CN102382956A Energy saving and thermal insulation quenching tank |
| 03/21/2012 | CN102382955A Cooling tank stirring device with diversion cover |
| 03/21/2012 | CN102382954A On-line continuous quenching device for skew-rolled ball-milled steel balls |
| 03/21/2012 | CN102382953A Rotary lifting-type gear sleeve automatic high frequency quenching device |
| 03/21/2012 | CN102382952A Overspeed quenching oil and preparation method thereof |
| 03/21/2012 | CN102382951A Induction quenching machining method for drive shaft for pump |
| 03/21/2012 | CN102382950A Conductive wheel electric heating device for cold-rolled ribbed steel bar production line |
| 03/21/2012 | CN102382949A Isothermal spheroidizing method for 5Cr5MoSiV1 steel for shield cutter |
| 03/21/2012 | CN102382948A High-speed steel W18Cr4V die-casting die heat-treatment process |
| 03/21/2012 | CN101864537B Ultra-high-strength 9Ni steel for cryogenic environment and preparation process thereof |
| 03/21/2012 | CN101851729B Method for preparing tough and wearable high boron steel |
| 03/21/2012 | CN101736138B Antioxidant coating applied to high-temperature alloy heat treatment |
| 03/21/2012 | CN101629227B Reinforcement method and reinforcement device for improving high-temperature fatigue life of material |
| 03/21/2012 | CN101572144B High-plasticity complex phase structure semi-hard magnetic alloy for anti-theft magnetic stripe and method for preparing thin strip thereof |
| 03/20/2012 | US8137483 Method of making a low cost, high strength, high toughness, martensitic steel |
| 03/20/2012 | CA2670142C Method and apparatus for the heat treatment of welds |
| 03/15/2012 | WO2012032637A1 Process for producing carburized part |
| 03/15/2012 | US20120060980 Martensitic wire with thin polymer coating |