| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 01/11/2012 | CN202107771U Novel final water cooling slot device for continuous annealing and hot galvanizing sharing production line |
| 01/11/2012 | CN202107744U Annealing furnace band steel cooling device |
| 01/11/2012 | CN202107743U Resistance type continuous annealing analog device suitable for heat analog testing machine |
| 01/11/2012 | CN202107742U Special tool for rapidly rectifying deviation of strip steel |
| 01/11/2012 | CN202107741U Fast furnace mouth pressing device for continuous annealing furnace |
| 01/11/2012 | CN202107740U Lifting tool for carburizing and quenching large gear |
| 01/11/2012 | CN202107739U Long-shaft part intermediate-frequency induction quenching driving device |
| 01/11/2012 | CN202107738U Supporting ring of slowing cool barrel for casting train wheel |
| 01/11/2012 | CN202107737U Heat treatment device for special-shaped drill rod with non-through hole at end part |
| 01/11/2012 | CN202107736U Heat treatment device for special-shaped drill rod |
| 01/11/2012 | CN202107734U Preheating dehydrogenating device for steam drum annular gap |
| 01/11/2012 | CN202107733U Quenching device for abnormal drill stem with external arc |
| 01/11/2012 | CN202107728U Energy saving type annealing furnace |
| 01/11/2012 | CN202107495U End part lifting device for austenite furnace |
| 01/11/2012 | CN102317493A Steel for high-strength vehicle stabilizer with excellent corrosion resistance and low-temperature toughness, and process for the production of same, and stabilizer |
| 01/11/2012 | CN102317490A Carburized steel part |
| 01/11/2012 | CN102312838A Piston for rotary compressor and manufacturing method of piston |
| 01/11/2012 | CN102312241A Suspension device for gearshaft carburizing and quenching |
| 01/11/2012 | CN102312164A Steel for Cr-contained high-performance pipe fittings for oil and gas transmission and production method thereof |
| 01/11/2012 | CN102312161A Manufacturing method of seamless steel tube |
| 01/11/2012 | CN102312157A Cold-rolled TRIP steel at over 1000 MPa and preparation method thereof |
| 01/11/2012 | CN102312079A Heating method of continuous casting slab in soaking pit |
| 01/11/2012 | CN102312078A Heat treatment furnace with movable furnace cover |
| 01/11/2012 | CN102312077A Fixing device and method for refractory material in strip steel heat treatment furnace |
| 01/11/2012 | CN102312076A Device for quenching of elongated steel wire |
| 01/11/2012 | CN102312075A Method for improving low-temperature impact toughness of weld joint of weld pipe welded in manner of high-frequency straight welding |
| 01/11/2012 | CN102312074A Pipeline inductive on-line heat treatment method |
| 01/11/2012 | CN102312073A Pinch roller mechanism of quenching device |
| 01/11/2012 | CN102312072A Rivet quenching system |
| 01/11/2012 | CN102312071A Stepping steel cylinder thermal treatment furnace |
| 01/11/2012 | CN102312070A Heat treatment furnace for steel cylinders |
| 01/11/2012 | CN102312069A Thermal treatment furnace |
| 01/11/2012 | CN102312068A Stainless steel hydrogen protective bright treatment production technology |
| 01/11/2012 | CN102312067A Stainless steel hydrogen protective bright treatment furnace |
| 01/11/2012 | CN102312063A Quenching apparatus |
| 01/11/2012 | CN102312062A Swing-type feed roller table of quenching device |
| 01/11/2012 | CN102312059A Steel cylinder quenching and tempering apparatus |
| 01/11/2012 | CN102312058A Treatment process for shortening planetary extruder screw length |
| 01/11/2012 | CN102312057A Heat treating method for driving roll and driving gear of rolling mill |
| 01/11/2012 | CN102312056A Along rolling path surface quenching process for ball screw shaft |
| 01/11/2012 | CN101942978B Preparation method of continuous expansion pipe with high strength and high plastic elasticity |
| 01/11/2012 | CN101921946B Method for producing high-grade nodular cast iron crank shaft by normalizing casting waste heat |
| 01/11/2012 | CN101921898B Annular water-blowing device |
| 01/11/2012 | CN101876003B Bottom sealing device of band steel aerosol cooling device |
| 01/11/2012 | CN101838730B Reversible deformation correcting method for elliptical gear ring subjected to deformation after carburization |
| 01/11/2012 | CN101775541B Quake-proof construction steel with yield strength of 160MPa and production method thereof |
| 01/11/2012 | CN101765671B Ferritic-austenitic stainless steel excellent in corrosion resistance and workability and process for manufacturing the same |
| 01/11/2012 | CN101745532B Preparation method of thick medium and high chromium ferritic stainless steel |
| 01/11/2012 | CN101490439B Sheave member for belt continuously variable transmissions and method of manufacturing it |
| 01/11/2012 | CN101395293B Surface-treated stainless-steel sheet excellent in salt damage/corrosion resistance and weld reliability for automotive fuel tank and for automotive fuel pipe and surface-treated stainless-steel welded pipe with excellent suitability for pipe expansion processing for automotive petrol pipe |
| 01/10/2012 | US8091239 Method for the production of a bearing ring for large-size rolling bearings |
| 01/10/2012 | CA2509276C Surface treatment method for carbon steel screws embedded within anticorrosive wood, the associated surface structure and baking finishing formula |
| 01/05/2012 | WO2012002864A1 Bearing component and method for surface hardening |
| 01/05/2012 | WO2012002863A1 Mechanical component and method for surface hardening |
| 01/05/2012 | WO2012002862A1 Mechanical component and method of surface hardening |
| 01/05/2012 | WO2012002566A1 High-strength steel sheet with excellent processability and process for producing same |
| 01/05/2012 | WO2012002565A1 High-strength hot-dip galvanized steel sheet with excellent processability and process for producing same |
| 01/05/2012 | WO2012002520A1 Ultrahigh-strength cold-rolled steel sheet with excellent ductility and delayed-fracture resistance, and process for producing same |
| 01/05/2012 | WO2012001971A1 Process for producing grain-oriented magnetic steel sheet |
| 01/05/2012 | WO2012001953A1 Grain-oriented electromagnetic steel sheet and manufacturing method for same |
| 01/05/2012 | WO2012001952A1 Oriented electromagnetic steel plate and production method for same |
| 01/05/2012 | WO2012001163A2 Higher-strength, cold-formable steel and steel sheet product consisting of such a steel |
| 01/05/2012 | WO2012000638A1 Chromium-nickel steel, martensitic wire and method for producing same |
| 01/05/2012 | DE102010027439B3 Tower- or hearth furnace for heating curable sheet metal blank e.g. car body parts, comprises several heatable furnace chambers arranged one above other as a floor and locked by a door, and defined cooling area formed in furnace chamber |
| 01/05/2012 | CA2802129A1 Higher-strength, cold-formable steel and flat steel product made from such steel |
| 01/04/2012 | EP2402472A1 High-tensile, cold formable steel and flat steel product composed of such steel |
| 01/04/2012 | EP2402470A1 High-strength hot-dip galvanized steel plate of excellent workability and manufacturing method therefor |
| 01/04/2012 | EP2402466A1 Manufacturing method and heat-treatment device for high-strength, highly-tough thin steel |
| 01/04/2012 | EP2402051A1 Medical guide wire |
| 01/04/2012 | EP2036994B1 Cr-CONTAINING STEEL EXCELLENT IN THERMAL FATIGUE CHARACTERISTICS |
| 01/04/2012 | CN202099355U Burner on front end wall of heating furnace |
| 01/04/2012 | CN202099354U Heating mantle overhaul platform for mantle type annealing furnace |
| 01/04/2012 | CN202099353U Movable final cooling table for bell-type furnace |
| 01/04/2012 | CN202099352U Tempering device for copper clad steel or copper clad aluminum composite wires |
| 01/04/2012 | CN202099351U Tempering device of copper-clad steel or copper-clad aluminum composite wire |
| 01/04/2012 | CN202099350U Heat treatment for a steel wire |
| 01/04/2012 | CN202099349U Steel wire tempering heat treatment device |
| 01/04/2012 | CN202099348U Integrated heat treatment furnace for large pipeline |
| 01/04/2012 | CN202099347U Roller type up and down two-way heat recovery continuous isothermal heat treatment energy-saving furnace |
| 01/04/2012 | CN202099346U Sizing block special for heat treatment |
| 01/04/2012 | CN202099344U Sensor for simultaneous quenching of three rows of raceways of slewing bearing |
| 01/04/2012 | CN202099342U Combustion control system for heat treating furnace |
| 01/04/2012 | CN202099339U Environment-friendly spheroidizing annealing furnace |
| 01/04/2012 | CN202099337U Furnace roller of roller heath batch-type spheroidizing annealing furnace |
| 01/04/2012 | CN202099329U Convection barrel of annealing furnace |
| 01/04/2012 | CN202099321U Device for using laser to treat roller surface |
| 01/04/2012 | CN102308015A Method for manufacturing metal pipe |
| 01/04/2012 | CN102308010A Automatic heat treatment method for metal ring |
| 01/04/2012 | CN102308009A Handling machine for rails and handling process associated thereto |
| 01/04/2012 | CN102307684A Coin assembly, medal assembly, and manufacturing method of coil assembly and medal assembly |
| 01/04/2012 | CN102305546A Heat sink of oil quenching gas cooling vacuum furnace |
| 01/04/2012 | CN102305026A Special-shaped drill pipe for geological exploration and processing method thereof |
| 01/04/2012 | CN102304675A Preparation method of corrosion resisting steel pipe |
| 01/04/2012 | CN102304673A Alloy steel used for casting track plate, track plate and preparation method and construction machinery of track plate |
| 01/04/2012 | CN102304615A Central heat exchanger for bright annealing bell type furnace |
| 01/04/2012 | CN102304614A Method for monitoring heat treatment temperature of power-up steel wire |
| 01/04/2012 | CN102304613A Steel pipe for supplemental restraint system and manufacture method thereof |
| 01/04/2012 | CN102304608A Novel medium frequency hardening inductor |
| 01/04/2012 | CN102304607A Cam rotary scanning induction quenching device |
| 01/04/2012 | CN102303176A Assembly welding process for propeller shaft bracket |