| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 02/06/2013 | CN202717802U Continuous oil quenching tempering production line |
| 02/06/2013 | CN202717801U Induction hardening machine for screw |
| 02/06/2013 | CN202717354U Tensioning-claw-type material grabbing device |
| 02/06/2013 | CN102918174A High-strength molten-zinc-plated steel sheet having excellent bendability and weldability, and process for production thereof |
| 02/06/2013 | CN102918173A High-strength hot-rolled steel plate exhibiting excellent stretch flangeability and fatigue resistance properties, and production method therefor |
| 02/06/2013 | CN102914162A Medium- and short-trip steel-charging method |
| 02/06/2013 | CN102912265A Aluminum alloy wheel heat treatment process |
| 02/06/2013 | CN102912253A High-frequency straight welded pipe and manufacturing method thereof |
| 02/06/2013 | CN102912251A High strength microstress steel and production process thereof |
| 02/06/2013 | CN102912242A Low alloy steel |
| 02/06/2013 | CN102912220A Composition design and preparation method of J55-level expansion pipe adopted in petroleum and natural gas drilling |
| 02/06/2013 | CN102912110A Method for reducing cold air suction of furnace end of silicon steel furnace |
| 02/06/2013 | CN102912109A Thermal treatment technique of steel wire |
| 02/06/2013 | CN102912108A Heat treatment process for improving microstructure and properties of micro-alloy steel weld joint |
| 02/06/2013 | CN102912107A Lifting basket mechanism for bearing forging controlled-cooling device |
| 02/06/2013 | CN102912106A High-frequency quenching technique of medium-carbon steel engine gear |
| 02/06/2013 | CN102912105A Carbon-coated roll device in silicon steel heat treatment furnace |
| 02/06/2013 | CN102912099A Heat treatment method for hard alloy blade |
| 02/06/2013 | CN102912094A Quench machine tool |
| 02/06/2013 | CN102912092A After-forging waste heat isothermal normalizing technology for 42CrMo steel extra large size bearing ring forge piece |
| 02/06/2013 | CN102912091A Method and cooling system for improving comprehensive mechanical property of normalized steel plate |
| 02/06/2013 | CN102912088A Method and device for strengthening inner wall of middle-small diameter long tube through laser shot blasting |
| 02/06/2013 | CN102912086A Rod material gradient heat treatment device and method for treating rod material by using same |
| 02/06/2013 | CN102337385B Multi-cycle quenching-partitioning-tempering (M Q-P-T) technique |
| 02/06/2013 | CN102286657B Heat treatment method of integrated shell of turbine shell turbocharger |
| 02/06/2013 | CN102242249B Heating device for improving heating quality of steel billets and using method thereof |
| 02/06/2013 | CN102134681B Steel for saw blade substrate and manufacturing method thereof |
| 02/06/2013 | CN102021472B Production method for continuous annealing process high strength and plasticity automobile steel plate |
| 02/06/2013 | CN101984123B Preparation method of stainless steel coach plate for high-speed train |
| 02/06/2013 | CN101939458B High-strength hot-rolled steel sheet and process for production thereof |
| 02/06/2013 | CN101352946B Hot-dip aluminizing zincium steel plate/belt for deep drawing and method for producing the same |
| 02/05/2013 | US8366843 Method of manufacturing a martensitic stainless steel pipe |
| 02/05/2013 | CA2680623C Steel for tool-less hot forming or quenching with improved ductility |
| 02/05/2013 | CA2584144C Process and production line for manufacturing hot ultrathin steel strips with two casting lines for a single endless rolling line |
| 01/31/2013 | WO2013015428A1 High-strength cold-rolled steel sheet with excellent stretch flangeability and precision punchability, and process for producing same |
| 01/31/2013 | WO2013015297A1 Method for heating steel plate, and heating apparatus |
| 01/31/2013 | WO2013015085A1 Induction hardening steel and crank shaft manufactured by using same |
| 01/31/2013 | WO2013014512A1 Hot-formed previously welded steel part with very high mechanical resistance, and production method |
| 01/31/2013 | WO2013014481A1 Hot-formed previously welded steel part with very high mechanical resistance, and production method |
| 01/31/2013 | WO2013014201A1 Roller changing apparatus for furnaces |
| 01/31/2013 | WO2013013803A1 Segmented press-hardening tool |
| 01/31/2013 | WO2013013305A1 Product and process by localized heat treatment of sheet steel |
| 01/31/2013 | CA2843186A1 High-strength cold-rolled steel sheet having excellent stretch flangeability and precision punchability and manufacturing method thereof |
| 01/31/2013 | CA2843169A1 Hot-formed previously welded steel part with very high mechanical resistance, and production method |
| 01/31/2013 | CA2843033A1 Roller changing apparatus for furnaces |
| 01/31/2013 | CA2839980A1 Product and process by localized heat treatment of sheet steel |
| 01/30/2013 | EP2551547A1 Method for producing spring |
| 01/30/2013 | EP2551366A1 High-strength electrical-resistance-welded steel pipe and manufacturing method therefor |
| 01/30/2013 | EP2551361A1 Heat treatment method for long material, manufacturing method for long material, and heat treatment furnace used in above methods |
| 01/30/2013 | EP2551360A1 Method for electrically heating spring, and device for same |
| 01/30/2013 | EP2551359A1 Method for producing ultra high strength member and use of ultra high strength member |
| 01/30/2013 | EP2551050A1 Method for welding thin-walled pipes using peak temperature welding |
| 01/30/2013 | EP2550373A1 Method and device for wire patenting by radiation-convection heat transfer |
| 01/30/2013 | CN202705423U Running mechanism of uncovering machine of soaking pit furnace |
| 01/30/2013 | CN202705422U Furnace lid position control device for soaking pit furnace lid opening machine |
| 01/30/2013 | CN202705421U Band steel threading hook of muffle furnace |
| 01/30/2013 | CN202705420U Device for treatment with wires to steel wires |
| 01/30/2013 | CN202705419U Local annealing device used for large forge welding piece |
| 01/30/2013 | CN202705418U Inductive quenching processing device of Cr12MoV roller |
| 01/30/2013 | CN202705417U Universal crankshaft keyway quenching device of power machine |
| 01/30/2013 | CN202705416U Crankshaft connecting rod journal quenching device |
| 01/30/2013 | CN202705415U End cap for preventing decarburization of inner wall of double metal wear resistant pipe |
| 01/30/2013 | CN202705414U Heat treatment fixture |
| 01/30/2013 | CN202705412U Steel pipe quenching outer water spraying device |
| 01/30/2013 | CN202705407U Chain plate lifting and quenching mechanism |
| 01/30/2013 | CN202705404U 轴承退火送料装置 Bearing annealing feeding device |
| 01/30/2013 | CN202705403U Continuous annealing furnace |
| 01/30/2013 | CN202701016U Alloy wire processing molding equipment |
| 01/30/2013 | CN102906524A Method for pre-heating annealing material in a hood-type annealing system |
| 01/30/2013 | CN102906296A Hot-rolled steel sheet with high tensile strength and superior processability and method for producing same |
| 01/30/2013 | CN102906295A Hot-dip galvanized steel sheet with high tensile strength and superior processability and method for producing same |
| 01/30/2013 | CN102906293A Electric-resistance-welded steel pipe with excellent torsion fatigue resistance and process for producing same |
| 01/30/2013 | CN102906292A Seamless steel pipe for line pipe and method for producing the same |
| 01/30/2013 | CN102906291A High-strength pressed member and method for producing same |
| 01/30/2013 | CN102906284A Seat structural component tailored for strength |
| 01/30/2013 | CN102901348A Trolley-type electric-resistance furnace |
| 01/30/2013 | CN102899598A Integrated annealing, tin plating and shaft closing device for photovoltaic welding strips |
| 01/30/2013 | CN102899590A Long-service-life impeller of hydrapulper and production method thereof |
| 01/30/2013 | CN102899478A Method for removing matter adhered to furnace roller of annealing furnace |
| 01/30/2013 | CN102899477A Steel wire heat-treatment processing line waste heat utilization conversion system |
| 01/30/2013 | CN102899476A Stainless steel driving belt for artificial board pressing machine and heat treatment process |
| 01/30/2013 | CN102899475A Steel ball for blower fan |
| 01/30/2013 | CN102899474A Hanger with adjustable lever ratio |
| 01/30/2013 | CN102899473A Roller furnace quenching production line for quenching large-size saw blade |
| 01/30/2013 | CN102899472A Titanium and titanium alloy U-shaped bend vacuum heat treatment method and apparatus thereof |
| 01/30/2013 | CN102899471A Heat treatment method for bainite steel rail |
| 01/30/2013 | CN102899467A Method for promoting electrical sheet thin strip to facilitate generation of texture |
| 01/30/2013 | CN102899466A Processing method for preventing inner surface oxidization of steel pipe during heat treatment |
| 01/30/2013 | CN102899464A Premixed spray quenching system for steel rail |
| 01/30/2013 | CN102899463A Linear water curtain device |
| 01/30/2013 | CN102899459A Pressure quenching method and pressure quenching apparatus for workpiece |
| 01/30/2013 | CN102896222A Lower die structure for stretching casing to be molded |
| 01/30/2013 | CN102392120B Fault detection device for steel billet clamping of induction heating furnace |
| 01/30/2013 | CN102363836B Induction quenching method for Cr12MoV roller |
| 01/30/2013 | CN102260783B Copper strap dumper and using method thereof |
| 01/30/2013 | CN102251089B Heat treatment method for full diameter 30Cr2Ni4MoV low pressure rotor |
| 01/30/2013 | CN102220467B All-fiber mantle-mobile hot air circulation annealing furnace |
| 01/30/2013 | CN102039326B Method for preparing bimetallic seamless steel pipe for alkali recovery boiler |
| 01/30/2013 | CN102011055B Method for manufacturing hard bainite bearing |
| 01/30/2013 | CN101351570B Ultrahigh-strength thin steel sheet |