Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435)
07/2011
07/27/2011EP1964940B1 Method of carbonitriding, process for producing machine part, and machine part
07/27/2011CN201909527U Electric heating strong convection cover type bright annealing furnace seat assembly
07/27/2011CN201908114U Tempering heater for metal wire of tire bead wire
07/27/2011CN201908113U Combined guide mould
07/27/2011CN201908112U Reducing-atmosphere heat-treating furnace
07/27/2011CN201908110U Clamping apparatus used for cooling and quenching of thermal simulation sample
07/27/2011CN201908109U Cooling and control system for quenching agent in production line of mesh belt furnace
07/27/2011CN201908108U Safety quenching device
07/27/2011CN201908107U Annealing furnace full-fiber composite liner on heating cover of gas cover type annealing furnace
07/27/2011CN102134686A Low-alloy wheel steel for railway wagons and wheel preparation method thereof
07/27/2011CN102134685A Method of manufacturing metal forming component for an automobile part
07/27/2011CN102134681A Steel for saw blade substrate and manufacturing method thereof
07/27/2011CN102134680A Ultrahigh strength steel with 960MPa of yield strength and production method thereof
07/27/2011CN102134679A Heat treatable overlarge-diameter high-strength steel and preparation methods thereof
07/27/2011CN102134637A Method for refining grains of large medium high alloy steel forgings
07/27/2011CN102134634A Closed-loop control method and device of furnace bodies in gas type production line
07/27/2011CN102134633A Precise heat treatment method of high-precision elastic element
07/27/2011CN102134632A Inflating device for blowing off water droplet
07/27/2011CN102134631A Manufacturing method of mining chain wheel profiling sensor
07/27/2011CN102133643A Steel grit produced by waste steel wires and production method thereof
07/27/2011CN101845546B Heat treatment method of 9Cr180Mo steel valve bush part
07/27/2011CN101797680B Process for manufacturing large-scale long shaft by segments
07/27/2011CN101787496B Wear resistant cast steel and preparation method thereof
07/27/2011CN101706210B Furnace door sealing device suitable for tank type heat treatment furnace
07/27/2011CN101660098B Hot-rolling seamless steel pipe applicable to high temperature of 580-620 DEG C and high pressure of 24-30MPa and production method thereof
07/27/2011CN101586198B A process for preparing aluminum oxide dispersion strengthened copper with high strength and high conductivity
07/27/2011CN101448585B Method for production of seamless pipe, and oxidizing gas supply apparatus
07/27/2011CN101372725B IF steel cage type annealing process
07/27/2011CN101370947B Method and device for the continuous creation of a bainite structure in a carbon steel, especially a strip steel
07/26/2011US7985957 Methods for concealing surface defects
07/26/2011US7985307 Triple phase titanium fan and compressor blade and methods therefor
07/21/2011WO2011026712A3 Method and device for producing a metal component
07/21/2011US20110174419 System and method for annealing alloy steel components
07/21/2011US20110174418 Aluminum plated steel sheet for rapid heating hot-stamping, production method of the same and rapid heating hot-stamping method by using this steel sheet
07/21/2011DE10261710B4 Verfahren zur Oberflächenbehandlung einer Welle A process for surface treatment of a shaft
07/20/2011EP2345747A1 Method and device to reduce risk of and to suppress fumes in oil quenching.
07/20/2011CN201901690U Strip steel hardening device
07/20/2011CN201901689U Matched structure of heating furnace and tempering furnace for producing steel ball
07/20/2011CN201901688U Thermal-storage efficient protective-atmosphere heat-treatment furnace
07/20/2011CN201901687U Annular core annealing device of current transformer
07/20/2011CN201901686U Continuous quenching device for heat treatment of afterheat of forged and rolled pieces
07/20/2011CN102132121A Plant for thermal processing processes
07/20/2011CN102127719A Thick steel plate for ocean platform structure with yield strength of 500MPa grade and manufacture method thereof
07/20/2011CN102127716A Low-temperature heating oriented electrical steel with good surface coating and production method thereof
07/20/2011CN102127711A Nano-structured ultrahigh-strength dual-phase steel and production method thereof
07/20/2011CN102127709A Low-temperature slab heating high magnetic induction grain-oriented silicon steel and production method thereof
07/20/2011CN102127708A Method for producing oriented electrical steel by heating low-temperature slab
07/20/2011CN102127631A Tempering heater of bead steel wire
07/20/2011CN102127630A Laser-impact strengthening treatment method for steel welded joint of X70 pipeline
07/20/2011CN102127623A System and method for annealing alloy steel components
07/20/2011CN102127622A Method for improving magnetic characteristics of orientated silicon steel by heat treatment of pulse electric field
07/20/2011CN102127621A Performance recovery heat treatment method for spherical crown of composite steel plate
07/20/2011CN102127620A Mobile semiconductor laser mold surface strengthening system
07/20/2011CN102126110A Method for manufacturing high-silicon steel thin strip
07/20/2011CN102125947A Method for flattening super-thick steel plates with temperature
07/20/2011CN101829928B Ball distribution mechanism of steel ball processor
07/20/2011CN101824582B Oriented electrical steel plate band adopting multivariate inhibiting agent and production method thereof
07/20/2011CN101781700B Plate shape controlling method for ultra thin sheet quenching in the quenching machine
07/20/2011CN101775555B Forging alloy steel and manufacturing process thereof
07/20/2011CN101775543B HB400-grade wear-resisting steel plate and production method thereof
07/20/2011CN101748255B Method for improving forming performance of 430 ferrite stainless strip steel
07/20/2011CN101724764B Process for preparing biomedical beta-titanium alloy
07/20/2011CN101717901B Process and device for amorphous thin ribbon heat treatment under the action of pulsed magnetic field
07/20/2011CN101717892B Hot die steel and tempering process thereof
07/20/2011CN101709366B Heat treatment method for improving mechanical property of thin-wall case aluminium alloy castings
07/20/2011CN101705340B Method and device for thermally treating pulse current
07/20/2011CN101701329B Meter-class aluminum alloy forging ring quenching method
07/20/2011CN101701326B High strength and high toughness ship plate steel with thick specification and production method thereof
07/20/2011CN101698922B Reinforced steel shot and preparation method thereof
07/20/2011CN101698207B Method for producing copper alloy coil pipe
07/20/2011CN101693791B Continuous casting slab high-temperature oxidation resistant coatings and preparation process thereof
07/20/2011CN101691639B Alloy vessel plate production method thereof
07/20/2011CN101665864B Production method of high speed steel prehardening materials
07/20/2011CN101649422B Niobium microalloyed hot rolled steel band and manufacturing method thereof
07/20/2011CN101613839B High nitrogen and low nickel duplex stainless steel and manufacturing method thereof
07/20/2011CN101608546B Processing technology for prolonging service life of guiding slide shoes
07/20/2011CN101608253B Steel bottle positioning device
07/20/2011CN101603147B Hard tinned plate suitable for stamping processing and production process thereof
07/20/2011CN101589661B Carbide-containing austempered ductile iron plowshare and production method thereof
07/20/2011CN101565798B Ferritic heat-resistant steel and manufacturing method thereof
07/20/2011CN101528950B Annealing separating agent for grain oriented electrical steel sheet having uniform glass film and excellent magnetic properties and method of manufacturing the same
07/20/2011CN101473149B Pulley for continuously variable transmission
07/20/2011CN101450376B Turbine wicket gate double-refining casting technique
07/20/2011CN101397602B Quenching apparatus for tool edge
07/20/2011CN101376946B Manufacturing method of straight welding petroleum casing pipe of steel for 110ksi steel grade
07/20/2011CN101353766B Grooving corrosion resistant high strength steel for ERW soldering sleeve, sleeve and production method
07/20/2011CN101270438B Normalized steel for resistance welding petroleum case pipe with low yield ratio, resistance welding casing tube and its manufacturing method
07/20/2011CN101225463B Method for restoring and improving service life of hot roller and cold rolling subsidiary roller
07/19/2011US7980851 Heat treatment furnace and heat treatment facility comprising it
07/19/2011CA2552325C Energization cycle counter for induction heating tool
07/14/2011WO2011083817A1 Induction heating coil, device for manufacturing of workpiece, and manufacturing method
07/14/2011WO2011032129A3 Multiple laser beam focusing head
07/14/2011US20110168304 Method for manufacturing high strength steel plate
07/14/2011CA2786460A1 Induction heating coil, and an apparatus and method for manufacturing a worked member
07/13/2011EP1979495B1 Process for the heat treatment of steel strips
07/13/2011EP1786936B1 Method for press quenching components consisting of sheet steel
07/13/2011EP1712658B1 Method for surface treatment of metal material
07/13/2011CN201896185U Strong convection spheroidizing annealing furnace
07/13/2011CN201896184U Intelligent cyclonic-type wind field
07/13/2011CN201896183U Novel metallurgic roller