| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 05/18/2011 | CN101660030B Large-scale split vertical spraying and quenching machine tool |
| 05/18/2011 | CN101654732B Full-automatic production line for synchronous furnace multi-band bright quenching of bimetal band saw blades |
| 05/18/2011 | CN101638740B Copper-bearing hydrogen storage alloy and preparation method thereof |
| 05/18/2011 | CN101613828B Super-thick steel plate for low yield ratio buildings with 460 MPa grade yield strength and manufacturing method |
| 05/18/2011 | CN101586178B Process and apparatus for heat treatment |
| 05/18/2011 | CN101535522B Process for producing high-concentration carburized steel |
| 05/18/2011 | CN101505556B Heating coil, induction heating equipment and manufacturing method for heating coil |
| 05/18/2011 | CN101269742B Transportation chain and manufacturing process |
| 05/18/2011 | CN101115859B High-concentration carburized/low-strain quenched member and process for producing the same |
| 05/18/2011 | CN101006189B Method of manufacturing a hardened forged steel component |
| 05/17/2011 | USRE42360 Pearlitic steel rail having excellent wear resistance and method of producing the same |
| 05/17/2011 | US7942641 Varying fluence as a function of thickness during laser shock peening |
| 05/12/2011 | WO2011056960A1 Louvered hot zone for a vacuum heat treating furnace |
| 05/12/2011 | WO2011054575A1 Process for producing components having regions of differing ductility |
| 05/12/2011 | WO2011054571A1 Manufacturing galvannealed sheets by heat-treating electrolytically finished sheets |
| 05/12/2011 | DE102009053197A1 Verfahren und Vorrichtung zum induktiven Härten großer ringförmiger Werkstücke Method and apparatus for the inductive hardening of large annular workpieces |
| 05/11/2011 | EP2319945A2 Integrated metal processing facility |
| 05/11/2011 | EP2319944A1 Method for manufacturing grain-oriented silicon steel sheets with mirror-like surface |
| 05/11/2011 | EP2318555A2 Improved quench zone design using spray nozzles |
| 05/11/2011 | EP2171256B1 Injection valve, method for its production and device for carrying out the method |
| 05/11/2011 | EP2059358B1 Vapor-reinforced expanding volume of gas to minimize the contamination of products treated in a melting furnace |
| 05/11/2011 | CN201825988U Horizontal type oil groove of main shaft of air blower for quenching |
| 05/11/2011 | CN201825986U Quenching machine tool for floating oil seal metal rings |
| 05/11/2011 | CN201825981U Quenching device at end of valve stem |
| 05/11/2011 | CN1764989B Sensor of complex-shaped workpieces heat treatment |
| 05/11/2011 | CN1672913B Press for holding and pressing a workpiece |
| 05/11/2011 | CN102057062A Method for operating a continuous annealing or galvanisation line for a metal strip |
| 05/11/2011 | CN102057061A Pre-process stress loading of components for post-process warp control |
| 05/11/2011 | CN102052852A Nitrogen recompression system |
| 05/11/2011 | CN102052848A Furnace door device of large horizontal vacuum heat treatment furnace |
| 05/11/2011 | CN102051570A Technology for preventing cylinder liner cavitation with low-temperature nitrogen treatment |
| 05/11/2011 | CN102051517A Manufacture method of NdFeB permanent magnet material |
| 05/11/2011 | CN102051468A Reducing atmosphere heat treatment furnace |
| 05/11/2011 | CN102051467A Mechanism for supporting and adjusting large-scale disk workpieces of quenching device |
| 05/11/2011 | CN102051464A Continuous heat treatment process for mechanical slender workpieces |
| 05/11/2011 | CN102051458A Waste gas protection system for thermal treatment furnace and control method |
| 05/11/2011 | CN102051457A Chamber furnace with overheating temperature |
| 05/11/2011 | CN102051456A Post-weld heat treatment process of conditioner stainless steel shell |
| 05/11/2011 | CN102051455A Heat-treatment process for low-temperature abrasion-resistant alloy cast steel |
| 05/11/2011 | CN102051454A Annealing treatment method for Al-0.5Cu conducting layer |
| 05/11/2011 | CN102051453A Method for quenching small-size No. 45 steel parts |
| 05/11/2011 | CN102051452A Heat treatment process for relieving stress |
| 05/11/2011 | CN102051451A Complex-space curved-surface dot-motion induction heating hardening device and method |
| 05/11/2011 | CN102051450A Surface thermal treatment method of key fitting for automobile |
| 05/11/2011 | CN102051449A Surface strengthening technology of internal hole of cylinder jacket of middle and high power diesel engine |
| 05/11/2011 | CN102051448A Method for low temperature tempering of die flat steel |
| 05/11/2011 | CN102051447A Muffle supporting mechanism of vertical pit-type furnace |
| 05/11/2011 | CN102049660A Anti-corrosion and anti-cavitation part processing technique |
| 05/11/2011 | CN101724791B Middle and high temperature super-thick steel plate with excellent radiation resistance and manufacturing method thereof |
| 05/11/2011 | CN101709358B Cooling chamber for aluminum coiled material |
| 05/11/2011 | CN101660105B High-strength extra-thick quenched and tempered steel plate with good obdurability matching and manufacturing method thereof |
| 05/11/2011 | CN101660100B Super-thick quenched and tempered steel plate with good obdurability matching, and manufacturing method thereof |
| 05/11/2011 | CN101658859B Rolling manufacture method for magnesium or magnesium alloy foil |
| 05/11/2011 | CN101648315B Crack-free electronic beam welding method for titanium metal material and stainless steel |
| 05/11/2011 | CN101639691B Method for simulating steel board cooling control |
| 05/11/2011 | CN101585046B SUS304 stainless steel cold-rolled plate producing method omitting annealing before cold rolling |
| 05/11/2011 | CN101555571B High-strength high-toughness alloy steel and production method thereof |
| 05/11/2011 | CN101514426B Yield strength 100MPa grade building earthquake-resistance low-yield strength steel and method for producing same |
| 05/11/2011 | CN101514425B Yield strength 160MPa grade building earthquake-resistance low-yield strength steel and method for producing same |
| 05/11/2011 | CN101514385B Quenching tank for large and medium size forging |
| 05/11/2011 | CN101462123B Method for preparing high-performance magnesium alloy sheet |
| 05/11/2011 | CN101368226B Tooth ring tooth surface laser induration processing method |
| 05/11/2011 | CN101358279B Technique and method for preparing biconical roller of large-sized strip hot-rolling mill transport roller |
| 05/11/2011 | CN101289730B Preparation method for 110ksi high grade steel and high CO2-corrosion resistant tubing and casing and the tubing and casing |
| 05/11/2011 | CN101265854B Laser welding forged steel integral piston with closed inner-cooling oil recess and its fabrication process |
| 05/10/2011 | US7938949 Method for producing a hardened profiled structural part |
| 05/10/2011 | US7938918 High-purity Ni-V alloy, target therefrom, high-purity Ni-V alloy thin film and process for producing high-purity Ni-V alloy |
| 05/10/2011 | CA2627538C Method and device for the continuous creation of a bainite structure in a carbon steel, particularly in a strip steel |
| 05/10/2011 | CA2507970C Fe-cr-si based non-oriented electrical steel sheet and method for producing the same |
| 05/10/2011 | CA2506353C Weldable steel building component and method for making same |
| 05/10/2011 | CA2506352C Weldable steel building component and method for making same |
| 05/05/2011 | DE112008003888T5 Anordnung von Führungselementen für eine Hochfrequenzinduktionsspule Arrangement of guide elements for high frequency induction coil |
| 05/04/2011 | CN201817530U Steel belt cooling device |
| 05/04/2011 | CN201817527U Floating device for single-tooth hardening of wind power rotary disc bearing hardening machine |
| 05/04/2011 | CN201817522U Stress-electric field-temperature multi-external-field comprehensive aging heat treatment device |
| 05/04/2011 | CN201817521U Quenching machine |
| 05/04/2011 | CN201817520U Support regulating mechanism for large-scale disc workpiece of quenching device |
| 05/04/2011 | CN201817519U Work piece auto-alignment mechanism of quenching equipment |
| 05/04/2011 | CN201817518U Heightened column |
| 05/04/2011 | CN201817517U Energy-saving metal heat treatment device |
| 05/04/2011 | CN201817516U Sensor for conducting induction quenching on end surface and excircle of workpiece simultaneously |
| 05/04/2011 | CN201817515U Inductor for induction quenching on crank shaft |
| 05/04/2011 | CN201817514U Air duct type heated-air circulation device for tempering furnace |
| 05/04/2011 | CN1906314B Rail manufacturing method |
| 05/04/2011 | CN102045908A High frequency heating coil and heating method for workpiece |
| 05/04/2011 | CN102045907A High frequency heating coil and heating method for workpiece |
| 05/04/2011 | CN102045906A High-frequency heating coil and heating method of workpiece |
| 05/04/2011 | CN102045905A Supporting device of inducted heating object |
| 05/04/2011 | CN102045904A Position correcting device of heating coil body of induction heating device |
| 05/04/2011 | CN102045902A Induction heating method and induction heating device |
| 05/04/2011 | CN102043086A Method and device for monitoring supply power of induction heating device |
| 05/04/2011 | CN102042291A Method for machining electric apparatus fastening bolt |
| 05/04/2011 | CN102041512A Process method for austenitic nitridation |
| 05/04/2011 | CN102041460A Method for preparing magnet sensitive material with high sensitivity and wide linear zone |
| 05/04/2011 | CN102041459A Steel plate HT690 capable of being subjected to high heat input welding and manufacturing method thereof |
| 05/04/2011 | CN102041452A Medium chromium ferrite stainless steel and making method thereof |
| 05/04/2011 | CN102041450A Ferrite heat resisting steel and manufacture method thereof |
| 05/04/2011 | CN102041375A Manufacturing device and method of precipitation hardened alloy strip, and cooling roll |
| 05/04/2011 | CN102041374A Differential quenching method for large-diameter whole ledeburitic steel cold roll |
| 05/04/2011 | CN102041371A Heat treatment method of high-tenacity high-strength steel plate |