| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 06/04/2008 | CN101194387A Titanium electrode material |
| 06/04/2008 | CN101191230A Surface treatment technique for coal winning machine cutting bit |
| 06/04/2008 | CN101191182A Nickel-saving high-strength stainless hot-rolling belt steel and preparation method thereof |
| 06/04/2008 | CN101191181A Alloy steel for gear wheel and preparation method thereof |
| 06/04/2008 | CN101191175A Alloy with negative expansion character and preparation method thereof |
| 06/04/2008 | CN101191174A Hot-rolling phase change induction plasticity steel with 750MPa-level extension strength and preparation method thereof |
| 06/04/2008 | CN101191172A Producing method for preventing aluminum-manganese-iron alloy pulverizing |
| 06/04/2008 | CN101190493A Method for preparing solid borer for pile driving |
| 06/04/2008 | CN100392140C Tungsten aluminium containing bainite forged steel special for railroad frog and its production method |
| 06/04/2008 | CN100391680C Alloy light-absorbing coating for metal leaf laser strengthening process, and the laser strengthening process |
| 06/04/2008 | CN100391659C Method of production of surface densified powder metal components |
| 06/03/2008 | US7381364 Gas jet cooling device |
| 05/29/2008 | WO2008061722A1 Method and apparatus for the heat treatment of welds |
| 05/29/2008 | WO2007013028A8 Process for continuous control of transitory phases on continuous annealing lines of steels |
| 05/29/2008 | US20080121315 Method for making soft magnetic material having fine grain structure |
| 05/29/2008 | US20080121313 ferromagnetic resonator; continuously annealed with a tensile stress applied along the longitudinal ribbon axis; iron, nickel and reduced cobalt content ; identification system |
| 05/28/2008 | EP1925373A1 Method of cooling steel sheet |
| 05/28/2008 | EP1733062B1 Method for producing a component by reshaping a plate, and device for carrying out said method |
| 05/28/2008 | EP1485509B1 Method for cooling metal strips or plates and cooling device |
| 05/28/2008 | CN201065424Y Low voltage great current softening furnace |
| 05/28/2008 | CN201065423Y Rotary table type cooling device for grinding ball |
| 05/28/2008 | CN201065422Y Self-tempering box for grinding ball |
| 05/28/2008 | CN201065421Y Gas cooling device without turbulent current |
| 05/28/2008 | CN201065420Y Quenching device in steel pipe groove |
| 05/28/2008 | CN201065419Y Roller barrel type coal gas quenching furnace |
| 05/28/2008 | CN101189356A Carburized metal material and method for producing same |
| 05/28/2008 | CN101189350A Method for producing a metallic component comprising adjacent sections having different material properties by means of press hardening |
| 05/28/2008 | CN101187295A Super high intensity anti-corrosion pumping rod production method |
| 05/28/2008 | CN101187294A Super H grade pumping rod |
| 05/28/2008 | CN101187027A Compound heat treating method |
| 05/28/2008 | CN101187001A External heat tank type vacuum carburizing furnace |
| 05/28/2008 | CN101186993A Hydrogen embrittlement resistant roller and method for preparing same |
| 05/28/2008 | CN101186992A Nitrizing quenching product and its preparation method |
| 05/28/2008 | CN101186963A Heat treatment technique of high strength anchor bolt for extra-high voltage transmission line rod tower |
| 05/28/2008 | CN101186962A Technique for induction heating steel rod tempering heat treatment |
| 05/28/2008 | CN101186961A Well type heat treatment device |
| 05/28/2008 | CN101186959A Vacuum low-pressure carburetting high-pressure gas-quenching furnace |
| 05/28/2008 | CN101186958A Double-chamber high-pressure gas-quenching vacuum furnace |
| 05/28/2008 | CN101186957A Bidirectional heat-exchanger device |
| 05/28/2008 | CN101186956A Induction heating oil quenching furnace |
| 05/28/2008 | CN101185954A Aluminum alloy special-shaped member equivalent temperature precision forging technique method |
| 05/28/2008 | CN101185953A Method for using as-cast state magnesium alloy to process superplastic forging formation |
| 05/28/2008 | CN101185940A Production technology of Q370qD bridge plate |
| 05/28/2008 | CN101185939A Production technology of Q420qD bridge plate |
| 05/28/2008 | CN100390305C Deep cooling treatment method of high speed steel tool |
| 05/28/2008 | CN100390304C Laser strengthening and toughening method for interface between ground-mass and coating |
| 05/27/2008 | US7377985 Temper process of sintered Nd-Fe-B permanent magnet |
| 05/27/2008 | CA2359188C High-hardness powder metallurgy tool steel and article made therefrom |
| 05/22/2008 | WO2008059759A1 Method for quenching steel product |
| 05/22/2008 | WO2008058874A1 Device and method for cooling material to be cooled |
| 05/22/2008 | WO2007051521A3 Method and finishing train for hot-rolling starting material |
| 05/22/2008 | US20080118641 High speed chemical vapor deposition |
| 05/22/2008 | US20080118387 produce a porous amorphous metal foam by heating and decompose the hydride powder inside a molten mixture of a metallic glass forming alloy, and quenching; release the hydrogen bubbles to improve the overall homogeneity of the porous product |
| 05/21/2008 | DE102006054389A1 Selective adjustment of a defined hardness, firmness and/or ductility of press-hardened and/or hot formed sheet metal components useful in production of vehicle bodies, by covering and/or shielding defined areas/partial areas of components |
| 05/21/2008 | CN101184860A Carburized induction-hardened component |
| 05/21/2008 | CN101183583A Method of producing oxygen-containing soft magnetic ribbon for high frequency |
| 05/21/2008 | CN101182757A Sidetracking petroleum case pipe for petroleum natural gas mining industry and production process thereof |
| 05/21/2008 | CN101182644A Precision piece part watch surface chromium base alloy carbides cladding process method |
| 05/21/2008 | CN101182619A High-strength toughness cold working die steel and method of producing the same |
| 05/21/2008 | CN101182616A Ultra-high manganese steel sieve plate for sorting stone material and its making method |
| 05/21/2008 | CN101182594A Heat treating process for Fe-based big block amorphous alloy crystallization |
| 05/21/2008 | CN101182593A Gas stove outer circulation cooling method of double chamber atmosphere pressure hardening furnace and cooling system thereof |
| 05/21/2008 | CN100389229C Boron-Chromium-rare earth co-infiltration process combined with pre-infiltration cold deformation for workpiece |
| 05/20/2008 | CA2411128C Method of making aluminum foil for fins |
| 05/15/2008 | WO2008056552A1 Process for producing high-concentration carburized steel |
| 05/15/2008 | WO2008009009A3 Rod or wire heat treatment system, related methods, and related products |
| 05/15/2008 | US20080113209 Metal reactor cell and manufacturing method thereof |
| 05/15/2008 | DE102006053384A1 Centering device for induction thermal treatment plant for welding process, comprises reception element, in which center reception is formed for receiving workpiece to be subjected to induction thermal treatment, and coolant channel |
| 05/15/2008 | DE102006052834A1 Verfahren zum Herstellen eines Wälzlagerringes und Wälzlagerring A method of producing a rolling bearing ring and rolling bearing ring |
| 05/14/2008 | EP1651788B1 Method of Quenching a Cast Part |
| 05/14/2008 | EP1641321B1 Method and device for thin plate article induction heating, and thin plate article |
| 05/14/2008 | CN201058884Y Spray quenching device of mid frequency induction heat treatment system for steel pipe, oil well tube and drill rod |
| 05/14/2008 | CN201058883Y Detearing bench of mid frequency induction heat treatment system for steel pipe, oil well tube and drill rod |
| 05/14/2008 | CN201058882Y Heating roller way of mid frequency induction heat treatment system for steel pipe, oil well tube and drill rod |
| 05/14/2008 | CN201058881Y Elastic chuck heat-treatment apparatus |
| 05/14/2008 | CN101180411A Grain oriented electromagnetic steel sheet having excellent film adhesion and process for producing the same |
| 05/14/2008 | CN101177765A Disk shearing blade and method for manufacturing the same |
| 05/14/2008 | CN101177764A N-containing martensitic stainless steel wire for high-tension bolt and method for manufacturing the same |
| 05/14/2008 | CN101177762A Liquid zinc corrosion resistant high-boron cast steel and preparation method thereof |
| 05/14/2008 | CN101177761A Crane gib arm rack pipe and manufacturing method |
| 05/14/2008 | CN101177727A Quenching mechanism of steel ball quenching machine |
| 05/14/2008 | CN101177726A Steel ball quenching machine |
| 05/14/2008 | CN101177725A Surface metallurgy technique for cobalt-containing super-hard high-speed steel |
| 05/14/2008 | CN100387731C Tendon running-water quenching method and apparatus |
| 05/14/2008 | CN100387730C PLC controlled intelligence well-type electric furnace |
| 05/13/2008 | CA2325453C Cold work steel |
| 05/08/2008 | WO2008053525A1 Induction heater |
| 05/08/2008 | WO2007092139B1 Integrated reformer and batch annealing processes and apparatus therefor |
| 05/08/2008 | US20080105339 Concurrently applying heat and vibration; oscillation |
| 05/08/2008 | DE102006050799A1 Verfahren und Vorrichtung zum Randschichthärten formkomplizierter Bauteile Method and apparatus for surface hardening form of complex components |
| 05/07/2008 | EP1918388A1 High-strength steel pipe and method of heat treatment therefor |
| 05/07/2008 | EP1740734A4 Nano-crystalline steel sheet |
| 05/07/2008 | EP1359230B1 Production method for steel plate and equipment therefor |
| 05/07/2008 | EP0896554B1 Ferritic nitrocarburization process for steel balls |
| 05/07/2008 | CN201056581Y Furnace bed driving mechanism of silicon steel rotating high-temperature annealing oven |
| 05/07/2008 | CN201056580Y Quenching machine tool for combined slight shaft parts |
| 05/07/2008 | CN201056579Y Intermediate frequency induction heat-treatment machine tool for thick-walled pipe |
| 05/07/2008 | CN201056578Y Hydraulic pressure driving multi-cylinder self-balancing system of silicon steel rotating annealing oven |
| 05/07/2008 | CN201056577Y Plasma machining machine tool for roller surface |
| 05/07/2008 | CN201056576Y Plasma gun for roller surface modification |