| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 08/21/2013 | CN203139765U Recycling and filtering device of quenching liquid |
| 08/21/2013 | CN103261453A Method for continuously annealing steel strip and hot-ip galvanization method |
| 08/21/2013 | CN103261452A Method for manufacturing hot stamped body having vertical wall, and hot stamped body having vertical wall |
| 08/21/2013 | CN103261450A High-carbon chromium bearing steel, and process for production thereof |
| 08/21/2013 | CN103261449A Heating device |
| 08/21/2013 | CN103255467A Novel material surface modification method and apparatus |
| 08/21/2013 | CN103255348A Low-carbon high-boron high-speed steel composite roll and preparation method thereof |
| 08/21/2013 | CN103255347A Wear-resistant alloy and application thereof in millstone tile |
| 08/21/2013 | CN103255343A Stanniferous martensitic stainless steel with excellent performance and manufacturing method thereof |
| 08/21/2013 | CN103255340A Vehicle high strength and toughness hot-forming steel plate and preparation method thereof |
| 08/21/2013 | CN103255280A Molybdenum-containing bearing steel surface strengthening process |
| 08/21/2013 | CN103255277A Method for producing wide and thin IF (Interstitial Free) steel in continuous annealing manner |
| 08/21/2013 | CN103255276A Novel large-diameter stainless steel column tube solid melting processing process |
| 08/21/2013 | CN103255275A Automobile torsion rod spring annealing process |
| 08/21/2013 | CN103255273A Manufacturing method capable of improving plasticity of pipeline steel plate |
| 08/21/2013 | CN103255272A Double chamber oil quenching pressurization air cooling vacuum furnace |
| 08/21/2013 | CN103255271A Gas dual-cycle radiant tube heating device |
| 08/21/2013 | CN103255270A Annealing device used before forming of products |
| 08/21/2013 | CN103255269A Quench cooling process for H13 steel |
| 08/21/2013 | CN103255268A Method for optimizing thickness in process of simultaneously impacting alloy by using lasers from two sides |
| 08/21/2013 | CN103255267A Method and equipment for laser quenching |
| 08/21/2013 | CN102787227B Rapid hydrogen diffusion treatment method for nitrogen alloying anti-corrosion die steel |
| 08/21/2013 | CN102776341B Automatic turning, pressing and dumping mechanism |
| 08/21/2013 | CN102618802B Ultrafine grained dual-phase steel material and production method thereof |
| 08/21/2013 | CN102534144B Disc quenching machine for car stabilizer bar |
| 08/21/2013 | CN102489758B Lock hook processing method |
| 08/21/2013 | CN102400050B 斗齿及其制备方法 Bucket teeth and a preparation method |
| 08/21/2013 | CN102319851B Cold precision forging technique for Z type contacts |
| 08/21/2013 | CN102251083B Clamp apparatus and method of heat-treating a long material |
| 08/21/2013 | CN102251080B Direct gas quenching unit for mesh-belt continuous brazing furnace |
| 08/21/2013 | CN102191496B Material of guide sliding shoe of coal-winning machine and preparation method of material |
| 08/21/2013 | CN102134634B Closed-loop control method of furnace bodies in gas type production line |
| 08/21/2013 | CN101854096B Method for manufacturing support bar for positioning stator core of large-size asynchronous motor |
| 08/20/2013 | US8513578 Electromagnetic wave processing apparatus |
| 08/20/2013 | US8512487 Seamless expandable oil country tubular goods and manufacturing method thereof |
| 08/15/2013 | WO2013117953A1 Process for making a steel part, and steel part so obtained |
| 08/14/2013 | EP2625319A1 Process for producing an iron-tin layer on a packaging steel substrate |
| 08/14/2013 | EP2624974A2 Rolling train for producing a metal strip and method for producing a rolling train |
| 08/14/2013 | CN203130764U Spline shaft |
| 08/14/2013 | CN203128629U Multifunctional water quenching tank for large-sized rubber tube wires and electroplating lines |
| 08/14/2013 | CN203128626U Center temperature measurement type steel pipe induction heating device |
| 08/14/2013 | CN203128625U Waste heat recycling steel pipe induction heating device |
| 08/14/2013 | CN203128622U Novel spray nozzle beam device for quenching |
| 08/14/2013 | CN203128621U Inner hole quenching sensor |
| 08/14/2013 | CN203128620U Quenching machine tool |
| 08/14/2013 | CN203128619U Intermediate-frequency induction coil |
| 08/14/2013 | CN203128618U Trolley type annealing device |
| 08/14/2013 | CN203128617U Annealing high temperature furnace |
| 08/14/2013 | CN203128616U Novel bottom-loading aluminum product annealing furnace |
| 08/14/2013 | CN203128615U Device for controlling annealing furnace |
| 08/14/2013 | CN203128614U Automatic high-frequency surface treatment device |
| 08/14/2013 | CN203128613U Furnace roller of roller bottom type thermal treatment furnace with internal air exhaust holes |
| 08/14/2013 | CN103249846A UV laser exposure of housings and components of door drives and door closers |
| 08/14/2013 | CN103249502A Steel foil for solar cell substrate, solar cell substrate, solar cell, and methods for manufacturing the steel foil and the solar cell |
| 08/14/2013 | CN103244671A Method for manufacturing novel tungsten, molybdenum and chrome alum turbocharger sealing ring |
| 08/14/2013 | CN103243275A Preparation method of bainite/martensite/austenite composite high-strength steel |
| 08/14/2013 | CN103243273A Conical-face welding type hydrogen sulfide corrosion-resistant boring rod adopting same material and processing process thereof |
| 08/14/2013 | CN103243271A Preparation method of high-toughness drilling tool |
| 08/14/2013 | CN103243257A High-chromium wear-resisting cast-iron glass mold and casting method thereof |
| 08/14/2013 | CN103243212A Manufacturing method of high-temperature-resistant rolling shaft bearing |
| 08/14/2013 | CN103243211A Roller quenching method by electric heating and device |
| 08/14/2013 | CN103243210A Two-stage quenching heat treatment process method of crusher combined hammer head and special device thereof |
| 08/14/2013 | CN103243207A Heat pipe heat-exchange equipment for cooling quenching oil and recovering waste heat of quenching oil |
| 08/14/2013 | CN103243206A Gas heat treatment furnace |
| 08/14/2013 | CN103243205A Hanging installation device for wavy resistance tape |
| 08/14/2013 | CN103243204A Strengthening and toughening heat treatment method of medium carbon manganese-vanadium low alloy steel |
| 08/14/2013 | CN103243203A Heat treatment process of 4Cr13 stainless steel granulator circular mould |
| 08/14/2013 | CN103243202A Thermal treatment processing technology for transmission shaft of petroleum drilling and production equipment |
| 08/14/2013 | CN103243201A Product basket for metal heat treatment |
| 08/14/2013 | CN103243200A Driving device of heat treatment furnace |
| 08/14/2013 | CN102851460B Stepping feeding heat-treatment furnace |
| 08/14/2013 | CN102649991B High-temperature-resistant water-cooling furnace bottom roll |
| 08/14/2013 | CN102618704B Tornadic hot air underfeed automatic stoking quenching furnace |
| 08/14/2013 | CN102392124B Heat treatment technology method for improving obdurability of high-speed steel |
| 08/14/2013 | CN102359590B Transport cylinder and manufacturing method thereof as well as pumping device comprising transport cylinder |
| 08/14/2013 | CN102312157B Cold-rolled TRIP steel at over 1000 MPa and preparation method thereof |
| 08/14/2013 | CN101921899B Induction quenching method of gearshift shaft of change gear case |
| 08/13/2013 | US8506879 Method for cooling hot strip |
| 08/13/2013 | US8506284 Hot isostatic pressing device |
| 08/08/2013 | WO2013114519A1 Uoe steel pipe for line pipe |
| 08/08/2013 | DE102011056444A1 Verfahren und Vorrichtung zum partiellen Härten von Blechbauteilen Method and apparatus for partial hardening of sheet metal parts |
| 08/07/2013 | EP2623621A1 Production method of grain-oriented silicon steel with high magnetic flux density |
| 08/07/2013 | EP2623618A1 High-strength steel sheet and manufacturing method therefor |
| 08/07/2013 | EP2623617A2 Method for producing an armouring component and armouring component |
| 08/07/2013 | EP2623226A1 Press-molded article and method for producing same |
| 08/07/2013 | EP2622107A1 Method and device for conducting the flow in industrial furnaces for the thermal treatment of metal materials/workpieces |
| 08/07/2013 | CN203112895U Monitoring system of medium frequency heating and annealing PLC (Programmable Logic Controller) control upper computer of metal tube |
| 08/07/2013 | CN203112890U External-contacting quenching fixture assembly |
| 08/07/2013 | CN203112889U Heating furnace |
| 08/07/2013 | CN203112888U Gear shaft quenching work fixture |
| 08/07/2013 | CN203112886U Double-station steel rail intermediate frequency induction quenching device |
| 08/07/2013 | CN203112883U Annealing furnace for heat treatment of pressure vessel |
| 08/07/2013 | CN203112882U Fast quenching oil slot |
| 08/07/2013 | CN203112881U Quenching tank for tempering production line |
| 08/07/2013 | CN203112880U Quenching tank for heat treatment |
| 08/07/2013 | CN203112879U Quenching tank for pretreatment production line |
| 08/07/2013 | CN203112878U Quenching device for transmission guide plate |
| 08/07/2013 | CN203112877U Crankshaft quenching balance suspension |
| 08/07/2013 | CN203112876U High-frequency heating sensor |
| 08/07/2013 | CN203112875U Roller type spheroidizing annealing production line |