Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435)
03/2014
03/26/2014CN103667986A Anti-aging alloy steel material for valves and preparation method thereof
03/26/2014CN103667974A Preparation method of ferrite heat-resistant steel
03/26/2014CN103667961A Corrosion-resistant wear-resistant alloy steel material for pump valves and preparation method thereof
03/26/2014CN103667957A ZG25MnSY6 casting material and method for preparing casting
03/26/2014CN103667955A Steel with high impact strength and casting prepared therefrom
03/26/2014CN103667954A Technology for quenching and tempering of C110 steel grade oil well tube by using Cr-Mo series steel
03/26/2014CN103667953A Oceanic mooring chain steel with low environmental crack sensitivity and ultrahigh obdurability and preparation method thereof
03/26/2014CN103667944A Pump super-wear-resistant high-hardness alloy steel material and preparation method thereof
03/26/2014CN103667943A Scandium-containing wear-resistant low-carbon steel material for pump impellers and preparation method thereof
03/26/2014CN103667938A High alloy semisteel centrifugation composite Raymond mill grinding ring and manufacturing method
03/26/2014CN103667935A High-strength high-toughness material for lining plate of mine ball mill
03/26/2014CN103667934A Low-carbon stainless steel material and preparation method thereof
03/26/2014CN103667933A Vanadium-and-titanium-containing ferrum-chromium-cobalt permanent magnet alloy and processing method thereof
03/26/2014CN103667927A High-strength high-carbon steel material for pump bearings and preparation method thereof
03/26/2014CN103667912A Low-alloy steel plate and heat treatment method for steel plate
03/26/2014CN103667904A Automobile part casting die making technology
03/26/2014CN103667885A Pt-containing nanometer twin crystal steel used in medical field and preparing method of Pt-containing nanometer twin crystal steel
03/26/2014CN103667881A Method for producing high-magnetic-induction oriented silicon steel
03/26/2014CN103667834A Processing and molding manufacturing method of center shaft of special shaft sleeve for textile machinery by taking 5Cr2NiMoVSi magnesium alloy as material
03/26/2014CN103667731A Production method of high-plasticity high-speed steel
03/26/2014CN103667668A Circular heating device for plate strip
03/26/2014CN103667664A Salt-bath quenching method for cold rolling working roll
03/26/2014CN103667663A Quenching process of high chromium cast ball section
03/26/2014CN103667662A Medium-frequency idler quenching inductor
03/26/2014CN103667661A Inductive heat treatment method of low-speed large-torque drive axle
03/26/2014CN103667659A Method for improving physical and chemical properties of blade materials during batch production
03/26/2014CN103667657A Overall heating device for automotive stabilizer bar with variable-section end part
03/26/2014CN103667656A Production process of roll bar type gas quenching furnace
03/26/2014CN103667642A Slab burial pit with adjustable cooling speed
03/26/2014CN103667641A Small-dimension workpiece heat treatment method and special tooling
03/26/2014CN103667640A Circular cooling system
03/26/2014CN103667639A Automatic heat treatment facility for quenching
03/26/2014CN103667638A Rapid quenching device for part
03/26/2014CN103667637A Casting heat treatment quenching pool
03/26/2014CN103667636A Forged piece waste heat quenching machining tool
03/26/2014CN103667635A Water-cooling leakage frame for steel ball quenching
03/26/2014CN103667634A Carburizing and quenching device
03/26/2014CN103667633A Shape-limiting quenching device
03/26/2014CN103667632A Medium for carrying out medium-frequency hardening on surface of medium-carbon alloy steel workpiece and use method thereof
03/26/2014CN103667631A Tempering oil composition and preparation method thereof
03/26/2014CN103667630A Heat treatment oil composition and preparation method thereof
03/26/2014CN103667629A Low-temperature tempering method
03/26/2014CN103667628A Heat treatment method
03/26/2014CN103667627A Temperature-controllable salt-bath tempering furnace
03/26/2014CN103667626A Stainless steel annealing production line structure
03/26/2014CN103667625A Closed annealing furnace for aluminum wafer
03/26/2014CN103667624A Stepped cooling annealing method of high-temperature vane steel 1Cr12Ni3Mo2VN
03/26/2014CN103667623A Gas heating device of converter shell and integral annealing method
03/26/2014CN103667622A Thermal treatment technology for improving overall performance of precipitation-hardening stainless steel turbine blade
03/26/2014CN103667621A Workpiece heat treating method
03/26/2014CN103667620A Heat treatment method for controlling content of ferrite in copper-bearing heat resistant steel microstructure
03/26/2014CN103667619A Subcritical quenching technology of Cr5MoV cold-work mold steel
03/26/2014CN103667618A Rotary type hardening furnace
03/26/2014CN103667617A Heat treatment process for improving impact toughness of 1Cr12Ni3Mo2VN turbine blade
03/26/2014CN103667616A Base material of wear plate and preparation method of base material
03/26/2014CN103667615A Thermal treatment method of 42CrMo workpiece
03/26/2014CN103667614A Heat treatment method for raising steel toughness
03/26/2014CN103667613A Heat treatment method for preventing deformation of rolled steel
03/26/2014CN103667612A Axle housing heat treatment method and axle housing making method
03/26/2014CN103667611A High crushing thermal treatment process for steel ball special for large-size wind turbine unit bearing
03/26/2014CN103667610A Heat treatment process of antimicrobial martensitic stainless steel
03/26/2014CN103667609A Through type induction heating quenching method for 921A flat-bulb steel
03/26/2014CN103667608A Induction hardening system and induction hardening method of light vehicle turning ball head pin
03/26/2014CN103667607A Laser quenching method and device based on scanning galvanometer
03/26/2014CN103667606A Energy-saving type heat treatment circulating water system and energy-saving method
03/26/2014CN103667605A Air cooling device for heat treatment of workpiece
03/26/2014CN103659562A Machining method for spherical surface roller pin free of edge angles
03/26/2014CN103659165A Damper machining technological process of fuel distribution pipe
03/26/2014CN103658479A Technology for forging squeeze roller of cement roller press
03/26/2014CN102943161B Automatic water circulation screw rod quenching device
03/26/2014CN102925635B Rail locomotive bolster lateral frame continuous pushing-disc type heat treatment production line
03/26/2014CN102912089B Online induction heating and shallow hardening process after outer thread processing of pipe end
03/26/2014CN102912087B Process for quenching surface of 20 steel pipe without flexible overlap strip by plasma arc through carburizing
03/26/2014CN102758140B High-carbon microalloying steel ball and production process thereof
03/26/2014CN102706136B Aging furnace with heat conducting copper tube
03/26/2014CN102676983B Carburization processing method
03/26/2014CN102634691B Manufacturing method of high-strength and high-corrosion-resistance cupronickel alloy
03/26/2014CN102586571B Quenching processing method for main shaft of fan
03/26/2014CN102534395B Iron chromium soft magnetic alloy and its preparation method
03/26/2014CN102517492B Preparation method of intercritical annealing treated vanadium-containing extra-deep drawing dual phase steel
03/26/2014CN102168166B Medium-frequency quenching and self-tempering process for automobile steering knuckle
03/20/2014WO2014042066A1 Helical compression spring and method for manufacturing same
03/20/2014WO2014041868A1 Nozzle header, cooling device, device for producing hot-rolled steel sheet, and method for producing hot-rolled steel sheet
03/20/2014WO2014040155A1 Metal member of a moving system of an internal combustion engine and method for manufacturing the metal member
03/20/2014WO2014040093A1 Method for producing bainitic rail steels, track element and installation for carrying out the method
03/20/2014DE10246164B4 Verfahren zum Herstellen von Strukturbauteilen A process for the manufacture of structural components
03/20/2014DE102013109572A1 Method for establishing sintered component module, involves increasing carbon content in sintered components and removing layer having increased carbon content and diffusion barrier between components before interconnecting components
03/20/2014DE102012018551A1 Stainless steel element, useful in pressure measurement system and as disk-shaped membrane, where element is made of an austenitic chrome-nickel steel and material edge zone of element has increased strength and hardness
03/20/2014DE102012018229A1 Making cam for shaft e.g. drive in internal combustion engine of motor vehicle by forming cam blank of hardenable steel material by punching and/or cutting process, subjecting blank to heat treatment, and machining surface portion of blank
03/19/2014EP2708613A1 Hot stamp molded article, method for producing hot stamp molded article, energy absorbing member, and method for producing energy absorbing member
03/19/2014EP2707514A1 Steel sheet with high mechanical strength, ductility and formability properties, production method and use of such sheets
03/19/2014EP2707513A1 Method for the production of very-high-strength martensitic steel and sheet or part thus obtained
03/19/2014CN203487207U Large-size intelligent electric heating thermal treatment temperature control device
03/19/2014CN203487205U Normalization annealing furnace
03/19/2014CN203487200U Hydrogen storage alloy sheet annealing furnace burden disc
03/19/2014CN203487199U Quenching cooling device for wheel surface of metallurgy locomotive
03/19/2014CN203487198U Gasket group for thermal treatment on gear hub
03/19/2014CN203487197U Hollow shaft quenching sensor
03/19/2014CN203487194U Tempering basket
03/19/2014CN203487193U Hanging tool
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