| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 11/14/2012 | CN102782185A Non-oriented electromagnetic steel sheet and process for production thereof |
| 11/14/2012 | CN102782172A Solid stabilizer, steel material for solid stabilizer and method for producing solid stabilizer |
| 11/14/2012 | CN102782171A Dual phase structure stainless steel sheet and steel strip, and method for producing the dual phase structure stainless steel sheet and steel strip |
| 11/14/2012 | CN102782170A Low-chromium-content stainless steel with excellent corrosion resistance of weld |
| 11/14/2012 | CN102782164A Device and method for heat-treating steel wires |
| 11/14/2012 | CN102781620A Punching tool |
| 11/14/2012 | CN102778109A Gas heating and drying box for steel wires |
| 11/14/2012 | CN102776520A Heat treatment process for shank of rock drill |
| 11/14/2012 | CN102776446A Semi-high speed steel copper soldering inlaid steel cutting blade and manufacturing method thereof |
| 11/14/2012 | CN102776438A Niobium-lanthanum microalloying Mn-B series superstrength steel plate and heat treatment technology thereof |
| 11/14/2012 | CN102776355A Annular cover-type resistor furnace for pressure container tube section heat treatment |
| 11/14/2012 | CN102776354A Pulley conductive caster air cooling structure of copper wire annealing device |
| 11/14/2012 | CN102776353A Large-hearth annealing furnace |
| 11/14/2012 | CN102776352A Band steel return control apparatus after shutdown of continuous annealing furnace |
| 11/14/2012 | CN102776351A Two-stage treating method for accretion in carbon jacket hearth roll of continuous annealing furnace |
| 11/14/2012 | CN102776350A Method for single tooth quenching of gear and scale division according to teeth |
| 11/14/2012 | CN102776349A Quenching device and quenching process of crankshaft connecting rod journal |
| 11/14/2012 | CN102776348A Quenching device and quenching process of crankshaft keyway of universal power machine |
| 11/14/2012 | CN102776347A On-line roll grinding method for carbon jacket hearth roll |
| 11/14/2012 | CN102776345A Method of controlling accretion in furnace carbon jacket roll during continuous annealing of steel strips |
| 11/14/2012 | CN102776343A Tunnel steel pipe quenching device and quenching method thereof |
| 11/14/2012 | CN102776342A Hydraulic expansion assembled combination die for quenching ferrules |
| 11/14/2012 | CN102776337A Press quenching and processing method for 30 MnCrNiMo armored steel plate part |
| 11/14/2012 | CN102776336A Quenching process method and device for achieving same |
| 11/14/2012 | CN102773581A Welding process of pearlite heat-resistant steel and ordinary carbon steel |
| 11/14/2012 | CN102773482A Method for manufacturing butterfly valve rod by powder metallurgy |
| 11/14/2012 | CN102773465A Automatic water-saving degritting device |
| 11/14/2012 | CN102773314A Shape-correcting method for cone-shaped cylinder after deformation of heat treatment for steam generator of nuclear power equipment |
| 11/14/2012 | CN102773257A Hot-rolled austenitic stainless steel band steel annealing pickling line inlet device and annealing process thereof |
| 11/14/2012 | CN102773256A Optimal control method for strip tail shear by flying shear at continuous annealing unit inlet |
| 11/14/2012 | CN102421925B High-strength hot-rolled steel sheet and process for manufacture thereof |
| 11/14/2012 | CN102230067B Method for realizing accurate positioning of steel billet delivered into a heating furnace |
| 11/14/2012 | CN102226229B Preheating dehydrogenating device for steam drum annular gap |
| 11/14/2012 | CN102191364B Carburizing and quenching process for gear made of alloy steel |
| 11/14/2012 | CN102102455B Heat treatment construction method of large storage tank wallboard |
| 11/14/2012 | CN102021299B Device for utilizing residual heat of gas flue in hood-type annealing furnace |
| 11/14/2012 | CN101988152B Method for detecting cleaness of furnace gas in continuous annealing furnace |
| 11/14/2012 | CN101960036B Cold-rolled steel sheet and process for production thereof |
| 11/14/2012 | CN101772585B A method of heat treating a superalloy component and an alloy component |
| 11/14/2012 | CN101365918B Roller hearth furnace for heating and/or temperature equalisation of steel or steel alloy continuous cast products and arrangement thereof before a hot strip final rolling mill |
| 11/14/2012 | CN101052481B Process and production line for manufacturing hot ultrathin steel strips with two casting lines for a single endless rolling line |
| 11/08/2012 | WO2012151385A2 Forging of an annular article with electric induction heating |
| 11/08/2012 | WO2012091368A3 Method for manufacturing inner structure of regenerative cooling type combustion chamber |
| 11/08/2012 | US20120282571 Endodontic instruments and methods of manufacturing thereof |
| 11/08/2012 | US20120280485 Solid state based joining processes with post-weld processing(s) under compression and apparatuses therefor |
| 11/08/2012 | US20120279619 Treatment for preventing stress corrosion cracking |
| 11/07/2012 | EP2520675A2 Treatment for preventing stress corrosion cracking |
| 11/07/2012 | EP2519366A1 Winding/unwinding device and method for winding/unwinding a metal product in a rolling line |
| 11/07/2012 | CN202519311U Micro-tension control device |
| 11/07/2012 | CN202519310U Protector for thermocouple of steel coil temperature measuring device in bell type furnace |
| 11/07/2012 | CN202519309U Novel insertion strip used for temperature measuring equipment of steel coil in cover type annealing furnace |
| 11/07/2012 | CN202519308U Non-standard bell-type furnace |
| 11/07/2012 | CN202519307U Double-layer sealing non-standard bell type furnace |
| 11/07/2012 | CN202519306U Air blocking device for bright continuous annealing furnace |
| 11/07/2012 | CN202519305U Inductor applies to heat treatment of working roll |
| 11/07/2012 | CN202519304U Roller dual-frequency-conversion inductive heat treatment device |
| 11/07/2012 | CN202519303U Hub automatic loading device by using heat treatment material rest |
| 11/07/2012 | CN202519302U Furnace door tube for hydrogen burning furnace |
| 11/07/2012 | CN202519301U Adjustable energy-saving fuel heat treatment furnace |
| 11/07/2012 | CN202519298U High-intermediate frequency combined shaft steel integral quenching and tempering production equipment |
| 11/07/2012 | CN202519295U Lamp filament hydrogen furnace |
| 11/07/2012 | CN102770571A Steel sheet and process for producing steel sheet |
| 11/07/2012 | CN102770569A Gear and method for producing same |
| 11/07/2012 | CN102770568A Super-high strength cold-rolled steel sheet having excellent bending properties |
| 11/07/2012 | CN102770567A Carburized steel member and method for producing same |
| 11/07/2012 | CN102770565A Process for the heat treatment of metal strip material, and strip material produced in that way |
| 11/07/2012 | CN102770234A Parts welded in a rotationally symmetrical manner |
| 11/07/2012 | CN102768007A Card clothing height measurement acousto-optic display and control device |
| 11/07/2012 | CN102766830A Heat treatment material frame for automotive rim |
| 11/07/2012 | CN102766828A Low alloy steel cast steel shot or cast steel grit and preparation method thereof |
| 11/07/2012 | CN102766825A Preparation method of high-speed steel for roller |
| 11/07/2012 | CN102766756A Oil-quenching connecting device |
| 11/07/2012 | CN102766755A Wiring wheel supporting structure for copper wire annealing device |
| 11/07/2012 | CN102766754A Heat treatment method for improving corrosion resistance of steel plate for cargo oil tank of crude oil carrier |
| 11/07/2012 | CN102766753A Forged steel cold roll induction quenching cooling method |
| 11/07/2012 | CN102766752A Feeding device for basketless heat treatment of aluminum alloy wheels |
| 11/07/2012 | CN102766751A Process method for quenching rotary support gear |
| 11/07/2012 | CN102766750A High-frequency induction type continuous annealing process and high-frequency induction type continuous annealing line for precision steel pipe |
| 11/07/2012 | CN102766749A Process for quenching ball track of slewing bearing |
| 11/07/2012 | CN102766743A Railway freight car brake round pin surface controlled atmosphere heat treatment |
| 11/07/2012 | CN102766740A Card clothing quenching protector |
| 11/07/2012 | CN102766737A Method for preheating forged steel cold roll before induction quenching |
| 11/07/2012 | CN102766736A Temperature-holding device for card clothing annealing |
| 11/07/2012 | CN102766735A Straight-through humidifying device for annealing furnace protective gas |
| 11/07/2012 | CN102766733A Grain refinement method of forged steel cold roller |
| 11/07/2012 | CN102764873A Low-pressure casting process for turbocharger compressor casing |
| 11/07/2012 | CN102764852A Method for producing ultrahigh manganese steel jaw plate by adopting V-method casting |
| 11/07/2012 | CN102764681A Mechanically-assembled-type hammer of hammer crusher and manufacturing method of hammer |
| 11/07/2012 | CN102764680A Impact crusher plate hammer and manufacturing method thereof |
| 11/07/2012 | CN102260779B Quenching method for 20CrNiMo material drill bit |
| 11/07/2012 | CN102181617B Vertical rotation hardening device of wind driven generator spindle |
| 11/07/2012 | CN102061373B Heating-processing technology for improving mechanical property of high-intensity extra-thick plate |
| 11/07/2012 | CN101760701B Alloy-plastic steel plate for die and production method thereof |
| 11/06/2012 | US8303739 Method for producing high-strength hot-dip galvannealed steel sheet |
| 11/06/2012 | US8303168 Device and a method of manufacturing a housing material |
| 11/01/2012 | WO2012147963A1 Hot press molded article, fabrication method therefor, and thin steel plate for hot press molding |
| 11/01/2012 | WO2012147898A1 High-strength steel plate with excellent formability and stability of material properties, and method for manufacturing same |
| 11/01/2012 | WO2012147863A1 Steel sheet for hot stamping members and method for producing same |
| 11/01/2012 | WO2012147776A1 Method for manufacturing machine part |
| 11/01/2012 | WO2012147441A1 Method for electrically heating rod-shaped member and device for same |