| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 05/21/2013 | US8444781 Method of strengthening metal parts through ausizing |
| 05/21/2013 | CA2694069C Method for producing steel sheets having high resistance and ductility characteristics, and sheets thus obtained |
| 05/16/2013 | WO2013069252A1 High-tensile-strength hot-rolled steel sheet and method for producing same |
| 05/16/2013 | WO2013069251A1 High-tensile-strength hot-rolled steel sheet and method for producing same |
| 05/16/2013 | WO2013069210A1 High-tensile-strength hot-rolled plated steel sheet and method for producing same |
| 05/16/2013 | WO2013068998A1 Cooling tank for rails |
| 05/16/2013 | US20130118655 Spring and manufacture method thereof |
| 05/16/2013 | US20130118652 Alloy cast iron and manufacturing method of rolling piston using the same |
| 05/16/2013 | US20130118649 Method for manufacturing spring |
| 05/16/2013 | DE102010004823B4 Verfahren zur Herstellung eines metallischen Formbauteils für Kraftfahrzeugkomponenten A method for producing a metallic mold component for vehicle components |
| 05/15/2013 | EP2592166A1 Ni-CONTAINING STEEL SHEET AND PROCESS FOR PRODUCING SAME |
| 05/15/2013 | EP2592161A1 High frequency heating coil |
| 05/15/2013 | CN202936464U Heating furnace for steel rolling |
| 05/15/2013 | CN202936463U Heating furnace for steel rolling |
| 05/15/2013 | CN202936462U Atmosphere protective device of middle pulling machine |
| 05/15/2013 | CN202936461U Annealing furnace |
| 05/15/2013 | CN202936460U Water-cooling roller monitoring system |
| 05/15/2013 | CN202936459U Annealing wire pressing device |
| 05/15/2013 | CN202936458U Annealing tension control device |
| 05/15/2013 | CN202936457U General walking wheel for multi-specification round-link chain |
| 05/15/2013 | CN202936456U Cooling system on aluminum alloy pipe medium-frequency annealing equipment |
| 05/15/2013 | CN202936455U Air cooling chamber structure capable of improving cooling uniformity |
| 05/15/2013 | CN202936454U Thermal treatment pressure quenching tool for clutch diaphragm spring |
| 05/15/2013 | CN202936453U Bar reinforcement water-penetration thermal treatment device for RC (reinforced concrete) |
| 05/15/2013 | CN202936452U Chain heating equipment |
| 05/15/2013 | CN202936449U Full-automatic high frequency device of clutch diaphragm spring |
| 05/15/2013 | CN202936447U Annealing cooling device |
| 05/15/2013 | CN1514887B Nanocarbide precipitation strengthened ultrahigh-strength corrosion-resistant, structural steels |
| 05/15/2013 | CN103108974A High-strength hot rolled steel sheet having excellent toughness and method for producing same |
| 05/15/2013 | CN103108973A High-strength hot-rolled steel sheet having superior punchability and method for producing same |
| 05/15/2013 | CN103108972A High-strength hot-rolled steel sheet having excellent bending workability and method for producing same |
| 05/15/2013 | CN103108971A High-strength hot-rolled steel sheet having superior fatigue resistance properties and method for producing same |
| 05/15/2013 | CN103108965A Automobile part, manufacturing method for same and manufacturing device of same |
| 05/15/2013 | CN103108964A Method for hot forming a coated metal part and formed part |
| 05/15/2013 | CN103103920A Manufacturing method for tempering cable clip applied to suspension bridge |
| 05/15/2013 | CN103103467A Temperature control method of hot-rolled thick-specification galvanized plate heating furnace |
| 05/15/2013 | CN103103459A Large-scale forging and manufacture process wind electricity slewing bearing forging and manufacturing process |
| 05/15/2013 | CN103103454A Screw alloy for double-screw air compressor and preparation method of screw alloy |
| 05/15/2013 | CN103103446A Strong steel shot steel wires and production technology thereof |
| 05/15/2013 | CN103103444A Drill collar steel and heat treatment process thereof |
| 05/15/2013 | CN103103337A Method for decreasing walking beam heating furnace steel billet water beam black mark |
| 05/15/2013 | CN103103336A Steel wire annealing furnace |
| 05/15/2013 | CN103103335A Steel wire heat treatment method and steel wire heat treatment device |
| 05/15/2013 | CN103103334A Heat treatment method of high pressure axial-flow impeller assembly |
| 05/15/2013 | CN103103333A Intermediate frequency quenching and tempering heat treatment process and special equipment for pin shaft |
| 05/15/2013 | CN103103332A High performance magnetic core transverse magnetic field heat treatment furnace |
| 05/15/2013 | CN103103331A Shaft part induction quenching and synchronous induction tempering method and heating inductor |
| 05/15/2013 | CN103103330A Pre-cold pressing quenching correction technology for die steel |
| 05/15/2013 | CN103103326A Vacuum isothermal treatment technology for hot work die steel |
| 05/15/2013 | CN103103325A Collision prevention device for mechanical part after heat treatment |
| 05/15/2013 | CN103103321A Isothermal quenching process |
| 05/15/2013 | CN103103319A Cooling processing method |
| 05/15/2013 | CN103103318A Manufacture method and manufacture equipment for high torsion resistance type drill pipe and drill collar joint |
| 05/15/2013 | CN103101576A Front side member |
| 05/15/2013 | CN103100829A Preparation method for cold rolls of super hardness wide width light gauge aluminum foils |
| 05/15/2013 | CN103100824A Preparation method of novel steel collar |
| 05/15/2013 | CN102560016B Surface induction hardening inductor for V-shaped roller cross linear guide rail |
| 05/15/2013 | CN102424909B Cooling equipment for use in machining of GH4169 turbine disk forgings |
| 05/15/2013 | CN102409150B Induction heating multi-pipeline steel tube continuous annealing process line |
| 05/15/2013 | CN102399957B Steel strip water-cooled pressure plate quenching device capable of adjusting cooling final temperature |
| 05/15/2013 | CN102328148B Steel wire grating welding method of medium carbon steel and low alloy steel |
| 05/15/2013 | CN102251187B Production method of extrusion roller including high-speed steel |
| 05/15/2013 | CN102220468B Synchronizer sliding sleeve and toothholder co-quenching technology |
| 05/15/2013 | CN102199995B Process for producing high-precision special threaded sleeve pipe coupling |
| 05/15/2013 | CN101509061B Simultaneous induction quenching technology for flange-output shaft neck and end face |
| 05/10/2013 | WO2013065718A1 Method for producing steel part |
| 05/10/2013 | WO2013065346A1 High-strength hot-rolled steel sheet having excellent bending characteristics and low-temperature toughness and method for producing same |
| 05/10/2013 | WO2013065313A1 High-strength hot-rolled steel sheet and process for producing same |
| 05/10/2013 | WO2013065298A1 High-strength hot-rolled steel sheet having excellent bending characteristics and low-temperature toughness and method for producing same |
| 05/10/2013 | WO2013064202A1 Method of manufacturing a duplex steel sheet having enhanced formability |
| 05/10/2013 | CA2851325A1 High-strength hot rolled steel sheet with excellent bendability and low-temperature toughness, and method for manufacturing the same |
| 05/08/2013 | EP2589678A1 High-strength steel sheet with excellent processability and process for producing same |
| 05/08/2013 | EP2589677A1 High-strength hot-dip galvanized steel sheet with excellent processability and process for producing same |
| 05/08/2013 | EP2589674A1 Ultrahigh-strength cold-rolled steel sheet with excellent ductility and delayed-fracture resistance, and process for producing same |
| 05/08/2013 | CN202929454U Electric control device with heat treatment function for saw blades |
| 05/08/2013 | CN202925597U Bucket tooth for excavator |
| 05/08/2013 | CN202925071U Steel wire processing machine |
| 05/08/2013 | CN202925070U Bead wire back-fire device |
| 05/08/2013 | CN202925069U Heating furnace for hot processing of rolled plate |
| 05/08/2013 | CN202925068U Large-diameter flange thermal treatment equipment |
| 05/08/2013 | CN202925066U Die quenching device for inner gear ring |
| 05/08/2013 | CN202924574U Heat treatment hanger of cylindrical shell of pressure container |
| 05/08/2013 | CN103097566A High-strength steel sheet with excellent ductility and stretch flangeability, high-strength galvanized steel sheet, and method for producing both |
| 05/08/2013 | CN103097561A Steel component having excellent temper softening resistance |
| 05/08/2013 | CN103088378A Device and process for producing galvanized cutting wires |
| 05/08/2013 | CN103088271A Preparation method of high-strength anti-corrosion bolt |
| 05/08/2013 | CN103088270A Manufacturing method of X70 large-deformation steel fire-bent pipe |
| 05/08/2013 | CN103088268A Preparation method of fastening bolt for automobile wheel |
| 05/08/2013 | CN103088267A Preparation method of lengthened bolt |
| 05/08/2013 | CN103088266A Forging method for foundation bolt |
| 05/08/2013 | CN103088264A Production technology of tooth top and tool cap integrated element of crusher |
| 05/08/2013 | CN103088260A Tooth hammer of flour mill and production process of tooth hammer |
| 05/08/2013 | CN103088202A Method for accurately positioning charging basket for roller-hearth continuous annealing furnaces |
| 05/08/2013 | CN103088200A Heating furnace |
| 05/08/2013 | CN103088199A Heat treatment method after forging for forged steel bearing roller used for large heavy plate mill |
| 05/08/2013 | CN103088190A Horizontal double-station continuous roller induction quenching and induction tempering technology |
| 05/08/2013 | CN103088189A Thermal treatment method for micromechanical horological parts |
| 05/08/2013 | CN103084804A High abrasion proof drill collar processing method used in oil drilling |
| 05/08/2013 | CN103084798A Method for forging high-strength bolt |
| 05/08/2013 | CN103084797A Method for forging bolt for caterpillar track of excavator |