| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 11/28/2012 | CN101297055B Corrosion resistance improved steel sheet for automotive muffler and method of producing the steel sheet |
| 11/28/2012 | CN101238233B Hot-rolled steel sheet and cold-rolled steel sheet and manufacturing method thereof |
| 11/27/2012 | US8317943 Ball for constant velocity joint and method for producing the same |
| 11/22/2012 | WO2012157680A1 Martensitic stainless steel plate for bicycle disc brake rotor and manufacturing method therefor |
| 11/22/2012 | WO2012157581A1 Hot stamp molded article, method for producing hot stamp molded article, energy absorbing member, and method for producing energy absorbing member |
| 11/22/2012 | WO2012157268A1 High carbon thin steel sheet and method for producing same |
| 11/22/2012 | WO2012157267A1 High carbon thin steel sheet and method for producing same |
| 11/22/2012 | WO2012156084A1 Heat treatment of hardenable sheet metal components |
| 11/22/2012 | WO2012130434A3 Method of heat treating a coated metal strip and heat treated coated metal strip |
| 11/22/2012 | WO2011114227A3 Grain oriented steel strip with high magnetic characteristics, and manufacturing process of the same |
| 11/22/2012 | US20120291928 Process for the Heat Treatment of Metal Strip Material, and Strip Material Produced in that Way |
| 11/22/2012 | US20120291927 Drawn heat treated steel wire for high strength spring use and pre-drawn steel wire for high strength spring use |
| 11/22/2012 | DE102012009854A1 Heat treating the strips, sheets or wires made of steel, in batch, in form of coil, comprises cooling the batch in first and second cooling phases, and discharging inert gas from furnace chamber in second cooling phase |
| 11/22/2012 | DE102011103806B3 Vorrichtung zum schwebenden Führen von metallischen Bändern mittels eines Gases sowie ein Verfahren zum Betreiben einer solchen Vorrichtung Apparatus for the suspended guidance of metallic strips by means of a gas and a method for operating such a device |
| 11/22/2012 | DE102011102167A1 Producing molded component with two structural regions of different ductility which are made of flat or preformed circuit board of hardenable steel, comprises heating circuit board in first region, shaping circuit board and partially curing |
| 11/22/2012 | CA2832901A1 Hot stamped article, method of producing hot stamped article, energy absorbing member, and method of producing energy absorbing member |
| 11/21/2012 | EP2524972A1 High-strength steel plate having excellent formability, and production method for same |
| 11/21/2012 | EP2524971A1 Method and device for preparing steel milled goods before hot rolling |
| 11/21/2012 | DE202011110090U1 Dampferzeuger Steam generators |
| 11/21/2012 | CN202543296U Galvalume plate continuous production line |
| 11/21/2012 | CN202543277U Split-type induction heating furnace of billet |
| 11/21/2012 | CN202543276U Heat storage type burner of steel billet heating furnace |
| 11/21/2012 | CN202543275U Internal water cooler small square and garden billet cantilever roller path with insulation can |
| 11/21/2012 | CN202543274U Cover-type furnace convection plate |
| 11/21/2012 | CN202543273U Tunnel-type bright annealing furnace with detachable furnace top for stainless steel belt |
| 11/21/2012 | CN202543272U In-furnace straightening device |
| 11/21/2012 | CN202543271U Multi-scale steel wire rope sorbitizing water quenching heat treatment equipment |
| 11/21/2012 | CN202543270U Guide device |
| 11/21/2012 | CN202543269U Suck-back automatic heating trolley |
| 11/21/2012 | CN202543268U Large-scale annular ventilating device |
| 11/21/2012 | CN202543267U Heat treatment system for hot-rolling seamless steel pipe |
| 11/21/2012 | CN202543266U Energy-saving overall thermal processor for ball pot |
| 11/21/2012 | CN202543265U Heat recovery device for heat treatment quenching furnace |
| 11/21/2012 | CN202543263U Vacuum heat treatment equipment |
| 11/21/2012 | CN202543261U Heating furnace with protective gas |
| 11/21/2012 | CN202543258U Box-type quenching device |
| 11/21/2012 | CN202543257U Lifting and heat treatment equipment for steel pull rod |
| 11/21/2012 | CN202543256U Quench machining tool rail structure for ball screw |
| 11/21/2012 | CN202543255U Device for annealing by using residual temperature of hearth |
| 11/21/2012 | CN202543253U Hearth plate of ring-shaped annealing furnace |
| 11/21/2012 | CN202543252U Water feeding device for wire drawing, annealing and cooling water tanks |
| 11/21/2012 | CN102791898A High-strength steel and high-strength bolt with excellent resistance to delayed fracture, and manufacturing method therefor |
| 11/21/2012 | CN102791897A Highly oxidation-resistant ferrite stainless steel plate, highly heat-resistant ferrite stainless steel plate, and manufacturing method therefor |
| 11/21/2012 | CN102791896A High-strength hot-rolled steel plate and manufacturing method therefor |
| 11/21/2012 | CN102791895A Cold rolled steel sheet for processing with excellent heat resistance, and preparation method thereof |
| 11/21/2012 | CN102791890A Spring steel and surface treatment method for steel material |
| 11/21/2012 | CN102791395A Flexure member manufacturing method and flexture member manufacturing device |
| 11/21/2012 | CN102787292A Composite heat treatment device and method for corrugator roll |
| 11/21/2012 | CN102787274A Ultra-high-ductility high-strength drill rod and manufacturing method thereof |
| 11/21/2012 | CN102787232A Annealing system for multi-strand superfine copper wires and annealing method of annealing system for multi-strand superfine copper wires |
| 11/21/2012 | CN102787231A Emergency stopping method and emergency stopping apparatus for vertical looper of continuous annealing unit |
| 11/21/2012 | CN102787230A Process for reducing stress of long-axis workpiece |
| 11/21/2012 | CN102787226A Adjustable liquid-jet ring structure |
| 11/21/2012 | CN102787224A Structure of curved surface medium-high frequency quenching machine |
| 11/21/2012 | CN102787221A Metal wire annealing device |
| 11/21/2012 | CN102784812A Manufacturing method of X65 steel-grade HFW (High Frequency Welding) steel pipe for ore pulp conveying pipeline |
| 11/21/2012 | CN102260773B Induction quenching prestretching apparatus |
| 11/21/2012 | CN102254621B Thermal treatment method for internal-tin method Nb3Sn superconducting wire |
| 11/21/2012 | CN102230138B Method for manufacturing SPA-H high-strength atmospheric corrosion resistance steel by using continuous annealing machine set |
| 11/21/2012 | CN102154594B Chromium-niobium-boron alloy rare earth casting grinding ball and production process method thereof |
| 11/21/2012 | CN102121083B Method for improving impact absorption energy of flange in ultralow-temperature state |
| 11/21/2012 | CN102071303B Strip threading method of strip steel in silicon steel continuous annealing drying furnace |
| 11/21/2012 | CN102021308B Method for detecting oil content in gas in continuous annealing furnace on line |
| 11/21/2012 | CN101993991B Heat treatment method for low-carbon manganese steel tubes |
| 11/21/2012 | CN101887800B Manufacturing method of amorphous alloy iron cores |
| 11/21/2012 | CN101861406B High-strength cold-rolled steel sheet |
| 11/21/2012 | CN101845540B Ultra-high strength cold-rolled steel strip nodularization annealing process |
| 11/21/2012 | CN101775547B Production method of high magnetic induction grain-oriented silicon steel strip |
| 11/21/2012 | CN101517100B Method of reheating in a furnace using a fuel of low calorific power, and furnace using this method |
| 11/20/2012 | US8313589 High-strength low-alloy steel excellent in high-pressure hydrogen environment embrittlement resistance characteristics and method for producing the same |
| 11/15/2012 | WO2012153831A1 Steel for automotive suspension spring component, automotive suspension spring component, and manufacturing method for same |
| 11/15/2012 | WO2012153471A1 Vehicle collision energy absorbing member having high collision energy absorbing power, and method for manufacturing same |
| 11/15/2012 | WO2012153016A1 Steel sheet with high mechanical strength, ductility and formability properties, production method and use of such sheets |
| 11/15/2012 | WO2012153013A1 Method for the production of martensitic steel having a very high yield point and sheet or part thus obtained |
| 11/15/2012 | WO2012153012A1 Method for the production of very-high-strength martensitic steel and sheet or part thus obtained |
| 11/15/2012 | WO2012153009A1 Method for the production of very-high-strength martensitic steel and sheet thus obtained |
| 11/15/2012 | WO2012153008A1 Method for the production of very-high-strength martensitic steel and sheet or part thus obtained |
| 11/15/2012 | WO2012152508A1 Device and method for treating a steel sheet product in a continuous manner |
| 11/15/2012 | WO2012127136A3 Hot-rolled steel sheet and associated production method |
| 11/15/2012 | WO2012001163A3 Higher-strength, cold-formable steel and steel sheet product consisting of such a steel |
| 11/15/2012 | US20120285585 High-strength spring steel |
| 11/15/2012 | DE102011050243A1 Vorrichtung und Verfahren zum im Durchlauf erfolgenden Behandeln eines Stahlflachprodukts Apparatus and method for success-the-fly processing a flat steel product |
| 11/15/2012 | CA2835540A1 Steel sheet with high mechanical strength, ductility and formability properties, production method and use of such sheets |
| 11/15/2012 | CA2835533A1 Method for the production of very-high-strength martensitic steel and sheet or part thus obtained |
| 11/15/2012 | CA2835153A1 Vehicle collision energy absorbing member excellent in energy absorbing performance and manufacturing method therefor |
| 11/15/2012 | CA2834967A1 Method for the production of martensitic steel having a very high yield point and sheet or part thus obtained |
| 11/15/2012 | CA2834637A1 Apparatus and method for the treatment of a flat steel product, taking place in throughput |
| 11/14/2012 | EP2522442A1 Flexure member manufacturing method and flexture member manufacturing device |
| 11/14/2012 | EP2521798A1 A method of increasing heat exchange surfaces and active surfaces of metal elements including, in particular, heat exchange surfaces |
| 11/14/2012 | CN202530133U Lifting device of high-temperature orientation silicon steel electromagnetic induction heating furnace plate blank |
| 11/14/2012 | CN202530132U Double-layer heat insulation device for steel coil |
| 11/14/2012 | CN202530131U Support device for steel coil refractory materials of high-temperature annular annealing furnace |
| 11/14/2012 | CN202530130U Continuous aging furnace |
| 11/14/2012 | CN202530129U Long-warm-zone vacuum heat treatment furnace with track in hot zone |
| 11/14/2012 | CN202530126U High-temperature grain-oriented silicon steel electro-magnetic induction heating furnace hearth |
| 11/14/2012 | CN202530125U Broken strip cooling device for horizontal annealing furnace |
| 11/14/2012 | CN202530122U Refractory material structure of trolley of silicon steel annular annealing furnace |
| 11/14/2012 | CN202530121U Quenching sensor for inner cavity of spherical housing |
| 11/14/2012 | CN202527769U Novel exit shear mechanism applied in silicon steel continuous annealing unit |
| 11/14/2012 | CN102783248A Transverse flux induction heating device |