| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 07/29/2009 | EP2083094A1 High-strength steel wire excelling in ductility and process for producing the same |
| 07/29/2009 | EP2083091A1 Unidirectional magnetic steel sheet excellent in iron loss characteristic |
| 07/29/2009 | CN201280580Y 齿轮淬火机床 Gear Hardening Machine |
| 07/29/2009 | CN201280579Y Gap automatic regulating apparatus |
| 07/29/2009 | CN201280578Y Apparatus for stabilizing after-soldering dimension of turbine partition plate |
| 07/29/2009 | CN100519779C Rolling parts and producing process thereof |
| 07/28/2009 | US7566416 high strength of at least 900 MPa and high tensile strength with a high toughness, resistance to bursting; heating first, quenching and tempering the pipe at a temperature lower than the Ac1 transformation point, then cold working |
| 07/28/2009 | US7566373 Rolling member and producing method thereof |
| 07/23/2009 | WO2009055133A3 Secondary-hardening gear steel |
| 07/23/2009 | US20090183805 Cooling method of a steel pipe |
| 07/23/2009 | US20090183804 Localized induction heating for residual stress optimization |
| 07/23/2009 | DE102008005234A1 Vorrichtung und Verfahren zur Wärmebehandlung von Integralrotoren von Gasturbinen Apparatus and method for heat treatment of the integral rotors of gas turbines |
| 07/23/2009 | DE102008000056A1 Vorrichtung und Verfahren zum Be- und Entladen eines Wärmebehandlungsofens Apparatus and method for loading and unloading a heat treatment furnace |
| 07/22/2009 | EP2006396A9 Process for production of seamless pipes |
| 07/22/2009 | EP1940572B1 Strand guiding roller |
| 07/22/2009 | CN201276587Y Soaking zone electric heater electrical leakage and heat load balance prewarning apparatus of cold rolling continuous annealing furnace |
| 07/22/2009 | CN201276586Y Rear control cold apparatus of heat processing furnace |
| 07/22/2009 | CN201276585Y Metal filament directly-heated annealing apparatus |
| 07/22/2009 | CN201276584Y Strong current, direct heating patenting production line |
| 07/22/2009 | CN201276583Y Apparatus for quenching steel pipe by external showering, internal spraying and dipping bath |
| 07/22/2009 | CN101490286A Cooling method of steel pipe |
| 07/22/2009 | CN100516249C Method for improving life of roller hearth heating furnace roller heat-insulating material |
| 07/22/2009 | CN100516248C Stainless steel wire annealing furnace |
| 07/22/2009 | CN100516247C Long thick wall petroleum drilling and mining steel pipe heat treatment technique |
| 07/22/2009 | CN100516246C Heat treatment of large-circular piece welling heat-treating furnace and wind-forced generating tower drum flange |
| 07/22/2009 | CN100516245C 17-4PH steel surface reinforcement method |
| 07/21/2009 | US7563333 Process for producing steel article |
| 07/21/2009 | US7563331 Continuous crystallization; hysteresis loops; iron alloy |
| 07/16/2009 | WO2009088027A1 Cold-work die steel and dies for cold pressing |
| 07/16/2009 | US20090178738 Self-annealing enclosure |
| 07/16/2009 | DE102009004125A1 Vorrichtung zum druckbeaufschlagenden Fixieren thermisch zu behandelnder Werkstücke Apparatus for pressurizing fixing thermally treated workpieces |
| 07/15/2009 | EP2078764A1 Seamless steel tube for airbag accumulators and process for production thereof |
| 07/15/2009 | EP2078134A2 Imputing strength gradient in pressure vessels |
| 07/15/2009 | EP2078099A1 Method for the thermomechanical treatment of seamless rings produced on radial-axial ring rolling machines |
| 07/15/2009 | CN201272821Y Graphite roller |
| 07/15/2009 | CN101484594A Thermal isolation screen for isolating an electromagnetic inductor, and heat treatment installation comprising such a screen |
| 07/15/2009 | CN101481751A Cooling method for electrical heating vertical furnace |
| 07/15/2009 | CN101481750A Heating system and heating means |
| 07/15/2009 | CN100514505C Composite wire for wire harness and method of manufacturing the same |
| 07/15/2009 | CN100513597C Method for annealing grain-oriented electromagnetic steel sheet and method for producing grain-oriented electromagnetic steel sheet |
| 07/15/2009 | CN100513596C Crawler belt bushing and its manufacturing process |
| 07/15/2009 | CN100513595C Crawler belt bushing and its manufacturing process |
| 07/15/2009 | CN100513594C Linear type heat treatment furnace |
| 07/15/2009 | CN100513593C Thermal treatment technique for improving rigidity of integer manhole flange sealing surface |
| 07/15/2009 | CN100513591C Annealing process of a stainless steel band |
| 07/15/2009 | CN100513590C Induction heating method of reducing bar material for suspension spring use |
| 07/15/2009 | CN100513589C Producing method for steel plate and equipment therefor |
| 07/15/2009 | CN100513351C Powders which have an antibacterial and a far infrared ray radiating property and a bio-wave steel plate which is coated with resin containing the same |
| 07/14/2009 | US7560628 Steel wire and manufacturing method therefor |
| 07/14/2009 | US7559997 High-strength cold rolled steel sheet and process for producing the same |
| 07/09/2009 | WO2009086382A1 Cryogenic treatment process for diamond abrasive tools |
| 07/09/2009 | WO2009006511A3 Earth boring drill bits made from a low-carbon, high-molybdenum alloy |
| 07/09/2009 | US20090176027 metal structure and fabrication method thereof |
| 07/09/2009 | US20090174129 High-strength stainless steel spring and method of manufacturing the same |
| 07/09/2009 | US20090174125 Method and arrangement for heating extended steel products |
| 07/09/2009 | DE102008003871A1 Finishing thin metal sheet and/or products made of thin metal sheets later designed as semifinished sheet metal products using laser beam technology, by locally melting surface of products with laser beam up to in given sheet-metal depth |
| 07/08/2009 | EP2077164A1 Process for manufacturing grain-oriented silicon steel sheet of high magnetic flux density |
| 07/08/2009 | EP2076615A2 Method and device for the crack-free welding, repair welding, or surface welding of materials prone to forming hot cracks |
| 07/08/2009 | EP1210993B1 Device and method for cooling hot rolled steel band and method of manufacturing the hot rolled steel band |
| 07/08/2009 | CN201268715Y Screw rod thrust cutter shaft type heat treatment shaping fixture |
| 07/08/2009 | CN101476030A Thin specification steel plate heat treatment process |
| 07/08/2009 | CN101476029A Heat treatment method for diesel engine cam |
| 07/08/2009 | CN101476028A Skew roller table double-deck furnace |
| 07/08/2009 | CN101476027A Heat treatment method for steel cylinder for liquefied petroleum gas |
| 07/08/2009 | CN100510119C Crawler belt bushing and manufacturing process thereof |
| 07/08/2009 | CN100510118C Double quenching technique for 9Cr2Mo leveler roll |
| 07/08/2009 | CN100510117C Automatic sorting system for iron shot hardening temperature |
| 07/07/2009 | US7556701 Method for cooling hot roller steel strip, and method for manufacturing hot rolled steel strip |
| 07/07/2009 | US7556700 Wear resistance; plasma nitriding; hardness |
| 07/07/2009 | CA2542828C Method for manufacturing galvannealed steel sheet |
| 07/07/2009 | CA2500108C Hot-rolled wire rod, excellent in wire drawability, allowing heat treatment prior to wire drawing to be omitted |
| 07/02/2009 | WO2009081997A1 Processes for producing high-strength hot-dip galvanized steel sheet and high-strength galvannealed steel sheet |
| 07/02/2009 | US20090169413 Process for Recycling of Steel Industry Iron Bearing By-Products, Pellet Obtained in that Process and Use Thereof |
| 07/02/2009 | US20090165906 metal is cast in a direct chill casting mold that directs spray of coolant; desirable metallurgical changes can be imparted in a relatively short time and procedure can be incorporated into casting operation itself, thereby avoiding need for an additional expensive and inconvenient homogenizing step |
| 07/02/2009 | US20090165905 Ferritic Stainless Steel Sheet Excellent in Press Formability and Secondary Formability and its Manufacturing Method |
| 07/02/2009 | US20090165900 Method fo the Heat Treatment of a Profile, Device for the Heat Treatment of a Profile and Profile |
| 07/01/2009 | EP2073944A1 Coiler furnace |
| 07/01/2009 | EP1620197B1 Method for inhibiting contamination of a workpiece |
| 07/01/2009 | CN201265030Y Rack gear scanning type quenching inductor |
| 07/01/2009 | CN101473052A Delivery roll, and hearth roll for continuous annealing furnace |
| 07/01/2009 | CN101473051A Method of treating a crankshaft |
| 07/01/2009 | CN101469362A Automatic tempering arrangement for metal pipes |
| 07/01/2009 | CN101469361A Heat-treating facility for metal pipes |
| 07/01/2009 | CN101469360A Full-automatic heat treatment production line for metal pipes |
| 07/01/2009 | CN100508670C Method and device for thin plate article induction heating, and thin plate article |
| 07/01/2009 | CN100507026C Method and means for heat treating cutting tools |
| 07/01/2009 | CN100507025C Method for the production of snap disks |
| 06/30/2009 | CA2439103C Continuous casting installation followed by furnaces, roughing stands, and a finishing train |
| 06/30/2009 | CA2403830C High-workability steel pipe and method of producing same |
| 06/25/2009 | WO2009078261A1 Steel sheets and process for manufacturing the same |
| 06/25/2009 | WO2009076890A1 Methode for producing wide flat steel by thin slab continuous casting and rolling and the system thereof |
| 06/25/2009 | WO2009076686A1 Apparatus for bracing of sheet metal joints in a high temperature annealing furnace |
| 06/25/2009 | WO2009048811A3 Apparatus for removing dent in sheet metal and method thereof |
| 06/25/2009 | US20090159157 Heat treating device and heat treating method |
| 06/24/2009 | CN201261799Y Briar dressing refrigerating device for quenching water channel |
| 06/24/2009 | CN201261798Y Dual-purpose resistor furnace |
| 06/24/2009 | CN201261797Y Vacuum chamber of double-deck furnace single chamber structure |
| 06/24/2009 | CN101466852A Device for securing a furnace provided with a rapid cooling and heating system operating under controlled atmosphere. |
| 06/24/2009 | CN101466851A High intensity electromagnetic steel plate and method of manufacturing the same |
| 06/24/2009 | CN101463419A Tension stabilizing device for band steel in continuous annealing wire annealing furnace |