Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435)
03/2014
03/19/2014CN203487189U Horizontal high-frequency annealing device of piston cylinder
03/19/2014CN203487186U Pressure quenching device with oil covers
03/19/2014CN203487185U Combined pressing and quenching mandrel
03/19/2014CN203487184U Workpiece quenching machine tool
03/19/2014CN203487183U Water inflow-preventing quenching device of steel cylinder
03/19/2014CN203487182U Turning device
03/19/2014CN203487181U Returning device
03/19/2014CN203487180U Water pouring device of roller furnace without charging basket
03/19/2014CN203487179U Device for cooling quenching workpiece
03/19/2014CN203487178U High-frequency continuous quenching structure
03/19/2014CN203487177U Large-capacity isothermal saltpeter tank
03/19/2014CN203487176U Safe high-temperature annealing furnace
03/19/2014CN203487175U Double-cage heat treatment cage for shaft parts with different models
03/19/2014CN203487174U Thermal expansion correction system of horizontal annealing furnace
03/19/2014CN103649663A Walking beam heating furnace
03/19/2014CN103649346A Method for heating steel plate, and heating apparatus
03/19/2014CN103649343A Cold-rolled steel plate coated with zinc or a zinc alloy, method for manufacturing same, and use of such a steel plate
03/19/2014CN103648807A Hollow member and method for manufacturing hollow member
03/19/2014CN103647019A Giant magnetostrictive material brewed via light rare earth and preparation technology of giant magnetostrictive material
03/19/2014CN103646776A Method for modifying mechanical surface of sintered nd-fe-b magnet based on plastic constraint
03/19/2014CN103643572A Production method for thermal treatment prestressed steel strand
03/19/2014CN103643242A Carburization quenching technology for alloy steel gears
03/19/2014CN103643241A Gear carburization quenching technology
03/19/2014CN103643240A Rapid carburization processing technology for gear
03/19/2014CN103643200A Composite carburization quenching technology for gear
03/19/2014CN103643197A Thermal processing technology of gears for hoisting machinery
03/19/2014CN103643181A Online forced-cooling and quenching device of aluminum alloy extrusion material
03/19/2014CN103643179A Method for reducing embrittlement degree of amorphous strip
03/19/2014CN103643171A Compound strengthened 22/15 chromated nickel high-strength corrosion resistant austenitic heat-resistant steel
03/19/2014CN103643169A Ce-containing exhaust valve head material and preparation method thereof
03/19/2014CN103643165A Erbium-containing pump shaft alloy steel material and preparation method thereof
03/19/2014CN103643151A Hot rolled round steel for large-size niobium vanadium steel draw bar with 650MPa-level yield strength and heat treatment technology thereof
03/19/2014CN103643150A Hot rolled round steel for large-size vanadium steel draw bar with 650MPa-level yield strength and heat treatment technology thereof
03/19/2014CN103643149A Hot rolled round steel for large-size vanadium steel draw bar with 650MPa-level yield strength and heat treatment technology thereof
03/19/2014CN103643139A Alloy steel material for water pump bearings and preparation method thereof
03/19/2014CN103643138A Low-carbon manganese steel material for pump shafts and preparation method thereof
03/19/2014CN103643135A PC steel bar with tensile strength of 2000 Mpa and above, and heat treatment method
03/19/2014CN103643130A High-tenacity alloy spring steel
03/19/2014CN103643124A Processing method of above-600MPa-grade high-strength steel bar connection sleeve
03/19/2014CN103643123A Wheel steel applicable to railway wagon and wheel preparation method
03/19/2014CN103643110A Lightweight high-manganese steel liner plate for ball mill and manufacturing method of liner plate
03/19/2014CN103643103A Method for preparing tensile strength 700MPa grade hot-galvanizing phase transition induced plastic steel
03/19/2014CN103643086A Nickel-chromium alloy powder-coated steel bar manufacturing method
03/19/2014CN103643024A Carburizing and quenching deformation control process equipment of large-scale ring-shaped parts
03/19/2014CN103643023A Method for carrying out carburizing and quenching by changing procedure of bearing ring processing
03/19/2014CN103643022A Method for preventing gear wall deformation during gear quenching
03/19/2014CN103643019A Quenching machine applied to mandrel heat treatment
03/19/2014CN103643018A Thermal processing technology for bolts
03/19/2014CN103643016A Production method of motorcycle lower yoke plate
03/19/2014CN103643013A Cold treatment process of pressing plate of vehicle air conditioner
03/19/2014CN103643012A Enhanced heat treatment testing method for steel
03/19/2014CN103643011A Low-nickel steel high-temperature surface descaling separating agent
03/19/2014CN103643010A Stirring device of quenching tank
03/19/2014CN103643009A Method for carrying out heat treatment on workpiece by utilizing three axial grooves and manually opened windows
03/19/2014CN103643008A Workpiece heat treatment method using circular rotation plate and high-temperature resistant ceramic material
03/19/2014CN103643007A Material level rotation device of quenching water tank
03/19/2014CN103643006A Method for carrying out heat treatment on workpiece by utilizing position signal reading device and contact sensor
03/19/2014CN103643005A Workpiece thermal treatment method using manually operated windows and contact sensor
03/19/2014CN103643004A Gas protection non-oxidation quenching carburizing integrated furnace and quenching and carburizing method
03/19/2014CN103643003A Normal pressure quenching furnace and quenching method
03/19/2014CN103643002A Aqueous quenching media and use thereof in quenching metal substrates
03/19/2014CN103643001A Water mist cooling method for normalizing treatment of large-scale casting and forging
03/19/2014CN103643000A Thermal processing technology for wear-resistant gears
03/19/2014CN103642999A Workpiece heat treatment method using circular rotation plate and position signal reading device
03/19/2014CN103642998A Workpiece heat treatment method utilizing circular rotating disc and manually opened window
03/19/2014CN103642997A Method for carrying out heat treatment on workpiece by utilizing manually opened windows and high-temperature-resistant ceramic material
03/19/2014CN103642996A Manufacturing method and thermal treatment method of alloy steel forge piece
03/19/2014CN103642995A Rolling method of low-carbon steel
03/19/2014CN103642994A Multifunctional planar quench machine tool
03/19/2014CN103642993A Improved aluminium profile aging furnace
03/19/2014CN103639648A Machining process for internal combustion engine expansion breaking connecting rod
03/19/2014CN103639402A Method for manufacturing prestress steel strand coated with nichrome powder
03/19/2014CN103639395A Producing method of metallurgical bonding steel cutters
03/19/2014CN103639357A Preparation method of bowl milling liner plate of coal mill
03/19/2014CN103639231A Chromium-molybdenum low-alloy zinc-plating steel strand manufacturing method
03/19/2014CN103060531B Annealing high-temperature furnace
03/19/2014CN102925633B Steel plate quenching cooling method and device
03/19/2014CN102851616B 60 Kg-scale low temperature-quenched and tempered steel plate with good weldability and manufacture method thereof
03/19/2014CN102816903B Sensing and heating method of high-magnetic induction oriented silicon steel
03/19/2014CN102732783B H2S corrosion-resistant steel and preparation method thereof
03/19/2014CN102719757B Nickel-free high-toughness 80kg-grade high-strength steel and manufacturing method thereof
03/19/2014CN102719744B Steel for low-temperature structures and manufacture method of steel
03/19/2014CN102248362B Method for manufacturing end socket of voltage stabilizer for nuclear power
03/18/2014US8673092 Outer member of constant speed universal joint
03/13/2014WO2014037627A1 Process for manufacturing press-hardened coated steel parts and precoated sheets allowing these parts to be manufactured
03/13/2014WO2014037072A1 Coatings containing mo on tools used for direct hot forming
03/13/2014WO2014036799A1 Large pit gas-type heat treatment furnace
03/13/2014US20140070552 Bumper
03/13/2014DE102013002775A1 Deforming tool e.g. transfer tool, for use in transfer press for deforming axle carriers of motor vehicle, has eddy current probe arranged in measuring head of tool, and executing crack test of axle carriers arranged in tool
03/13/2014DE102012017694A1 Mo-haltige Beschichtungen auf Werkzeugen für das direkte Presshärten Mo-containing coatings on tools for the direct press hardening
03/12/2014EP2706131A1 Method for manufacturing machine part
03/12/2014EP2704872A1 Laser-based marking method and apparatus
03/12/2014CN203474893U Laser beam transmission and focusing device
03/12/2014CN203474868U Cooling system of annealing furnace spool roll
03/12/2014CN203474862U Abrasion-resistant steel ball quenching furnace auxiliary device
03/12/2014CN203474861U Cam shaft device with laser-strengthened surface
03/12/2014CN203474860U Oil tube heating oxidation preventing device
03/12/2014CN203474855U Full-automatic multiple-station rotation type ferrule part die quenching press
03/12/2014CN203474854U Inner tooth ring pressure quenching device
03/12/2014CN203474853U Quenching and pressing die tool
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