Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435)
04/2014
04/30/2014CN203569144U Surface cleaning device for steel plate quenched by quenching machine
04/30/2014CN203569143U Rapid quenching and heating equipment for double-metal band saw blades
04/30/2014CN203569142U Efficient cyclic quenching and tempering equipment
04/30/2014CN203569141U Cover-type spheroidizing annealing furnace
04/30/2014CN203569140U Water mist cooling device
04/30/2014CN103765145A Method for heating shaped component for subsequent press hardening operation and continuous furnace for regionally heating shaped component preheated to predetermined temperature to higher temperature
04/30/2014CN103758815A Upper tip transmission device of quenching machine
04/30/2014CN103757558A Stainless steel wire production process
04/30/2014CN103757556A Roll surface material of high-pressure roller mill for crushing ore and preparation method of roll surface
04/30/2014CN103757553A Shaft gear forged piece made of 40NiCrMo7 optimized material and manufacturing method thereof
04/30/2014CN103757552A Alloy steel material for cutting tools and preparation method thereof
04/30/2014CN103757536A Thin strip continuous casting economic high-strength binding strip with tensile strength of at least 1100 MPa and manufacturing method thereof
04/30/2014CN103757534A Cold-rolled steel plate with good flange welding property and production method of cold-rolled steel plate
04/30/2014CN103757520A High-hardness low-chromium multi-element alloy casting ball material and preparation method thereof
04/30/2014CN103757196A Annealing method of high grade electrical steel
04/30/2014CN103757195A Spheroidizing annealing process of fastener wire rod
04/30/2014CN103757193A Method and mould for preventing heat treatment distortion of ultrathin leaf springs
04/30/2014CN103757192A Residual heat utilizing pusher furnace
04/30/2014CN103757189A Slow cooling method for continuous annealing unit
04/30/2014CN103757188A Anti-decarburizing separant for bearing steel
04/30/2014CN103757187A Overlay welding quenching unit for fungiform tappets
04/30/2014CN103757186A Combined train wheel quenching device
04/30/2014CN103757185A Lower apex transmission device of quenching machine
04/30/2014CN103757184A Vacuum electric annealing furnace
04/30/2014CN103757183A Production process for improving cold rolling commercial coil black stripe defect
04/30/2014CN103757182A Isothermal quenching production equipment of austenite-bainite grinding balls
04/30/2014CN103757181A High-strength nut heat treatment technology
04/30/2014CN102912255B Wear-resisting cast steel and preparation method thereof
04/30/2014CN102864290B Automatic high-frequency quenching system
04/30/2014CN102851479B Heat treatment technology of high-strength bolt
04/30/2014CN102787276B High magnetic induction oriented silicon steel and manufacturing method thereof
04/30/2014CN102776342B Hydraulic expansion assembled combination die for quenching ferrules
04/30/2014CN102605297B High low-temperature impact toughness thick steel plates for hydrogen-contacting equipment and production method thereof
04/30/2014CN102560244B Microalloying and heat treatment method for 20MnMo steel
04/29/2014US8709336 Method for making an abrasion-resistant steel plate and plate obtained
04/24/2014WO2014061784A1 Case-hardened steel having excellent fatigue characteristics
04/24/2014WO2014061782A1 Induction-hardening steel having excellent fatigue characteristics
04/24/2014WO2014061699A1 Bearing element, rolling bearing and process for producing bearing element
04/24/2014WO2014061473A1 Resistive heating device
04/24/2014WO2013137857A3 Stable binary nanocrystalline alloys and methods of identifying same
04/24/2014DE102013013732A1 Device, useful for indirectly and inductively heating workpiece e.g. metal sheet, comprises inductively heatable contact element, inductor, and electrically non-conductive supporting unit attached to inductor using non-ferromagnetic nut
04/23/2014EP2722407A2 Precipitation hardening martensitic stainless steel and long blade for steam turbine using the same
04/23/2014EP2722406A1 Steel for molding die having excellent thermal conductivity, mirror polishing properties and toughness
04/23/2014CN203559111U Hot dipping radiation oven protection gas circulating device
04/23/2014CN203559098U Anti-deformation cooling device of annealing furnace
04/23/2014CN203559096U Stainless steel annealing production line structure
04/23/2014CN203559094U Device for circulating shielding gas in thermal treatment furnace
04/23/2014CN203559092U Improved type rotary disc type cooling device for grinding ball
04/23/2014CN203559089U Annealing-feeding device for fastening member and annealing device with annealing-feeding device
04/23/2014CN203559088U Anti-deformation vacuum processing tool for magnetic shielding shell
04/23/2014CN203559087U Workpiece falling body buffering and guiding net and net-belt type quenching furnace provided with same
04/23/2014CN203559086U Aluminum alloy ring piston device
04/23/2014CN203559085U High-frequency scissors quenching and returning manipulator
04/23/2014CN203559084U Quenching sensor for middle-sized front-drive bridge knuckle shaft
04/23/2014CN203559083U Induction heating transmission device
04/23/2014CN203559082U Thermal treatment furnace with two-way supercharger
04/23/2014CN203559081U Auxiliary heating device for tempering furnace
04/23/2014CN203559080U Constant-temperature thermal treatment frame
04/23/2014CN203559079U Automatic stainless steel annealing furnace temperature control device
04/23/2014CN203559078U Coinage paper watermark copper screen annealing device
04/23/2014CN203559077U Quenching tank for rotary type grinding ball
04/23/2014CN203559076U High-frequency quenching tooling for automobile transmission gear-shifting connecting rod gusset plate
04/23/2014CN203559075U No-accretion non-water-cooling roller-hearth type heat treatment furnace roller
04/23/2014CN103741078A Remained heat treatment steel bar production process
04/23/2014CN103741068A Special process for freely forging EH36 optimized material steel ingot into plate-shaped bearing seat forged piece
04/23/2014CN103741062A Seamless steel tube material for nuclear power and preparation method thereof
04/23/2014CN103741060A Alloy steel material for yttrium-containing roller and preparation method thereof
04/23/2014CN103741059A High-boron alloy steel material for roller and preparation method thereof
04/23/2014CN103741043A Boron-contained alloy steel material for roller and preparation method thereof
04/23/2014CN103741041A Locomotive brake resistance band with relatively low cost and preparation method thereof
04/23/2014CN103741040A Preparation method of locomotive brake resistance band
04/23/2014CN103741038A Locomotive brake resistance band with good resistance uniformity and preparation method thereof
04/23/2014CN103740922A Gear quenching method
04/23/2014CN103740921A Apparatus for reducing quenching deformation of thin-walled gear
04/23/2014CN103740920A Double-hardness sprocket wheel
04/23/2014CN103740919A Tool for avoiding medium-frequency quenching crack of end face of half shaft
04/23/2014CN103740918A Heat treatment method of hollow core rod used for tandem rolling set
04/23/2014CN103740917A Steel tie rod processing method
04/23/2014CN103740912A Processing method for improving temper embrittlement resistance of steel plate for pressure vessels
04/23/2014CN103740911A Automatic opening and closing three-chamber vacuum furnace capable of monitoring operation
04/23/2014CN103740910A Anticorrosive vacuumizer pollution-discharge liquid-purification monitoring-operation vacuum furnace
04/23/2014CN103740909A Monitoring and operating three-chamber vacuum furnace
04/23/2014CN103740908A Anticorrosive vacuumizer pollution-discharge liquid-purification observation-monitoring-operation vacuum furnace
04/23/2014CN103740907A Monitoring operation vacuum furnace of corrosion-resistant vacuumizer
04/23/2014CN103740906A Automatic quenching and tempering device
04/23/2014CN103740905A Method for water-cooling steel plate over 80mm thick by quenching machine
04/23/2014CN103740904A Mist cooling apparatus, heat treatment apparatus, and mist cooling method
04/23/2014CN103740903A Workpiece heat treatment method
04/23/2014CN103740902A Medium-frequency quenching machine tool
04/23/2014CN103740901A Contact member high-frequency annealing tool
04/23/2014CN103740900A Heat treatment technology for seamless steel pipes
04/23/2014CN103740899A Forged piece quenching method by utilizing waste heat
04/23/2014CN103740898A Pressure quenching method of high-hardness 5Cr13MoV wearable liner
04/23/2014CN103740897A Incomplete quenching process of semitrailer axles
04/23/2014CN103740896A Steel pipe on-line quenching method
04/23/2014CN103740895A Constant velocity universal joint bell-shaped case quenching inductor
04/23/2014CN103740894A Laser shock strengthening device and water spray pipe thereof
04/23/2014CN103736847A Box-type quenching composite forming die and manufacturing process thereof
04/23/2014CN102943158B Electromagnetic synchronously magnetic field exerting and heating double-tunnel energy-saving annealing furnace
04/23/2014CN102899464B Premixed spray quenching system for steel rail
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