Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
11/2010
11/24/2010CN201648501U High-speed continuous induction annealing device for copper pipes
11/24/2010CN201648500U Discharging conveyer of copper pipe annealing furnace
11/24/2010CN201648496U Mirror bracket profiling frame heater
11/24/2010CN201648478U Masonry for furnace wall of reeling furnace
11/24/2010CN201648477U High-temperature strong-convection circulatory atmosphere cover type heat treating furnace with separated fan and heat area
11/24/2010CN201648476U Intensive pressure water cooling device
11/24/2010CN201648475U Heat storage type non-oxidation continuous heating furnace
11/24/2010CN201648474U High temperature resistant air knife sealing device
11/24/2010CN201648473U Improved heat accumulating type roller bottom heating furnace
11/24/2010CN201648472U Vacuum liquid supplementing control device
11/24/2010CN201648471U Porcelain pipe device for resistance wires at bottom of quenching wire furnace
11/24/2010CN201648470U Gear ring nitrogen-protecting continuous normalizing furnace
11/24/2010CN201648469U Steel tube holding rotating device
11/24/2010CN201648468U Roller-hearth type solid solution furnace
11/24/2010CN201648467U Automatic discharge conveying device used for copper pipe annealing furnace
11/24/2010CN201648466U Special clamp for shaping automobile leaf spring by heat treatment
11/24/2010CN201648465U Clamp recirculation type leaf spring quenching equipment
11/24/2010CN201648464U Unequal-section large casting and forging workpiece heat treatment furnace
11/24/2010CN201648460U Special fixture of quenching press
11/24/2010CN201648459U Hole type die quenching non-uniform cooling device
11/24/2010CN201648457U Furnace panel of hardening furnace
11/24/2010CN201648456U Large continuous mesh-belt type quenching furnace adopting gas for heating
11/24/2010CN201648455U Continuous high-speed steel protective atmosphere hardening furnace
11/24/2010CN201648453U Heat insulation protective device used for bottom of tempering furnace
11/24/2010CN201648451U Quenching burner for hole heating
11/24/2010CN201647712U Non-contact type steel strip conveying device
11/24/2010CN1611628B Rolling bearing part and method for manufacturing the same
11/24/2010CN101892443A High strength and high toughness petroleum casing pipe at steel grade with yield strength of 170-180ksi and manufacturing method thereof
11/24/2010CN101892432A Manufacturing method of X70QS seamless line pipe for acid environment
11/24/2010CN101892422A Steel for petroleum casing pipe, high-frequency electric resistance welding petroleum casing pipe and methods for manufacturing steel for petroleum casing pipe and high-frequency electric resistance welding petroleum casing pipe
11/24/2010CN101892418A Corrosion-resistant soft cold-rolling tin plate and production method thereof
11/24/2010CN101892378A Heating method suitable for semi-tandem rolling and hot rolling of wide strip steel
11/24/2010CN101892377A Direct strong convection board used for hood-type annealing furnace and automatically suitable for cold-rolling strip steel bandwidth and working method thereof
11/24/2010CN101892376A Thermal treatment process for crystallizing nano-composite NdFeB permanent magnetic alloy
11/24/2010CN101892375A Method for inspecting surface oxidation degree of annealed stainless steel band
11/24/2010CN101892374A Method for performing heat treatment on high-hardness semisteel roll
11/24/2010CN101892373A Heat treatment technology for low-temperature high impact toughness medium-thickness steel plate
11/24/2010CN101892372A Novel longitudinal hot air circulation device
11/24/2010CN101892367A Air supplying method for protective atmospheres of different hydrogen concentration sections
11/24/2010CN101892366A Low oxygen content and low nitrogen consumption control system and method for radiant tube-heated non-oxidation roller hearth furnace
11/24/2010CN101892360A Novel heated-air circulation tempering furnace
11/24/2010CN101890626A Method for connecting super-thick X80 steel pipes
11/24/2010CN101890622A Method for manufacturing hammer lever of electrohydraulic hammer
11/24/2010CN101497960B High strength anti-collision pipe for automobile and method of manufacturing the same
11/24/2010CN101481774B Low crack sensitivity steel plate with yield strength 500MPa and manufacturing method thereof
11/24/2010CN101412182B Cold roll milling technology for rotor blade and stator blade of high pressure compressor for GH150 alloy
11/24/2010CN101255532B Ferrite series stainless steel plate having excellent formability with small roughness of machining surface and method for manufacturing same
11/24/2010CN101215626B Continuous heat treatment method for angle steel and angle steel manufacturing method
11/23/2010US7837810 Post weld heat treatment for chemically stabilized austenitic stainless steel
11/18/2010WO2010131761A1 High-strength hot-rolled steel sheet and process for manufacture thereof
11/18/2010WO2010131755A1 Orifice plate and method for producing the same
11/18/2010WO2010131375A1 Continuous annealing furnace
11/18/2010WO2010131303A1 Hot rolled steel sheet having excellent punching workability and fatigue properties, hot dip galvanized steel sheet, and method for producing the same
11/18/2010WO2010130936A1 Method of strengthening a mechanical part made of a ferrous alloy
11/18/2010WO2010130887A1 Method for assembling parts made of an aluminum alloy by welding, comprising cold deformation followed by the post-welding tempering of the entire welded area
11/18/2010WO2010130533A1 Martensitic wire with thin polymer coating
11/18/2010WO2010130323A1 Coating method
11/18/2010CA2760015A1 Method for assembling parts made of an aluminum alloy by welding, comprising cold deformation followed by the post-welding tempering of the entire welded area
11/17/2010EP2251449A1 Ferrite-austenite stainless steel sheet excellent in ridging resistance and workability and process for manufacturing the same
11/17/2010EP2251448A1 Cold-rolled steel sheets
11/17/2010EP2171105B1 Method, device and system for the heat treatment of a running metal strip
11/17/2010CN201637283U Residual heat recycling system for cooled piece of heating furnace
11/17/2010CN201634740U Series-type heating furnace before rolling of stainless steel billet
11/17/2010CN201634739U Heating furnace with heat accumulating type all-radiant furnace walls
11/17/2010CN201634738U Novel waterless cooledheating furnace
11/17/2010CN201634737U Bar stock heating furnace
11/17/2010CN201634736U High-temperature industrial television system used in continuous annealing furnace
11/17/2010CN201634735U Wheel hub aging furnace and quenching furnace drive equipment
11/17/2010CN201634734U Special die for controlling quenching deformation of large thin-wall gear ring
11/17/2010CN201634733U Synchronous strong convection cooling device for monolith in circular protective atmosphere
11/17/2010CN201634732U Frequency-changing electromagnetic pulse de-stressing device
11/17/2010CN201634731U Automatic launching mechanism of box type steel tube quenching and tempering furnace
11/17/2010CN201634730U Automatic loading and unloading device for high-temperature heating furnace tubes
11/17/2010CN201634729U Automatic loading-unloading transmission device of steel tube solid dissolution annealing furnace
11/17/2010CN201634728U Semi-bright annealing device
11/17/2010CN201634727U Sealing device for port of high-frequency bright annealing furnace
11/17/2010CN201634726U Carrier beam composite control hydraulic device
11/17/2010CN201634725U Quenching tooling clamp for automobile stabilizer bar
11/17/2010CN201634724U Heat-preserving cover of large forgings for slow cooling after forging
11/17/2010CN201634718U High-frequency induction ring for cam quenching
11/17/2010CN201632496U Copper-plating steel wire production system for strengthening rubber hoses
11/17/2010CN1908202B Soaking heat treatment technique for automobile steering knuckle after forging
11/17/2010CN1875122B Stainless steel wire, spring, and method for producing spring
11/17/2010CN101887800A Manufacturing method of amorphous alloy iron cores
11/17/2010CN101886238A Zinc-aluminum alloy wire and preparation method thereof
11/17/2010CN101886166A High-efficiency annealing furnace capable of avoiding bonding of cold-rolled strip steel and operating method thereof
11/17/2010CN101886165A Heat treatment process for low-carbon multi-element alloy steel
11/17/2010CN101886164A Induction heating controlled quenching technology for gear and machine tool
11/17/2010CN101886163A Gear blank isothermal annealing process and isothermal annealing production line
11/17/2010CN101886159A Method and device for heating steel billet
11/17/2010CN101885615A C-Si-N silicon steel hearth roller sleeve and manufacture method thereof
11/17/2010CN101885012A Plastic cold-extrusion technology of using copper pipe to prepare tee tube
11/17/2010CN101885010A Method for manufacturing cold-drawing gas cylinder tube for medical oxygen cylinder
11/17/2010CN101549448B Processing technology for high-strength bolt used for steel net frame bolt ball node
11/17/2010CN101524708B Method for manufacturing alloy plate for bearing bush
11/17/2010CN101451184B Low-temperature prewarming and flattening method of normalizing furnace
11/17/2010CN101439361B Technique for preparing copper wire for reducing oxidation
11/17/2010CN101413051B On-line heat treatment wire collecting and conveying system
11/17/2010CN101368251B Steel plate for large-thickness hydrogen-contacting equipment and its production technology
11/17/2010CN101333631B Austenitic stainless steel clad tube and technique of preparing the same