| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 11/29/2007 | WO2006115552A3 Anti-rust treatment using kleintm gas flame |
| 11/29/2007 | US20070271978 applying coating to sheet made of hardenable steel alloy, where coating comprises zinc and one or several elements with affinity to oxygen in a total amount of 0.1-15 weight-% in relation to total coating; after applying coating the sheet steel is roller-profiled; cathodic corrosion protection |
| 11/29/2007 | DE102007020354A1 Drehmomentübertragende, kohlenstoffarme Stahlwellen mit verfeinerter Korngröße A torque transmission, low carbon steel shafts with refined grain size |
| 11/29/2007 | DE102007007936A1 Verfahren und Vorrichtung zur Erzeugung von Härtegefügen für höchstbeanspruchte Bauteile Method and apparatus for generating hardness structures for highly stressed components |
| 11/29/2007 | DE102007007935A1 Verfahren und Vorrichtung zur Wärmebehandlung von metallischen Hochleistungsbauteilen, insbesondere Seitenwellen Method and apparatus for heat treatment of metallic high-performance components, in particular side shafts |
| 11/28/2007 | EP1860205A1 High strength hot rolled steel sheet having excellent stretch flangeability and its production method |
| 11/28/2007 | CN200981884Y Roller bottom type continuous annealing furnace stick sealing mechanism |
| 11/28/2007 | CN200981883Y Digital control steel coil end heating device |
| 11/28/2007 | CN200981882Y Longitudinal double-circulation horizontal continuous quenching furnace |
| 11/28/2007 | CN200981881Y Furnace door sealing and compressing apparatus |
| 11/28/2007 | CN200981880Y Separating mechanism for charging tray in furnace |
| 11/28/2007 | CN200981879Y Laser alloying treated injecting head |
| 11/28/2007 | CN101078096A Strip steel continuous zinc heat coating process |
| 11/28/2007 | CN101078091A Casting high speed steel cutter and preparation method thereof |
| 11/28/2007 | CN101078090A Low-alloy high speed steel roll material and preparation method thereof |
| 11/28/2007 | CN101078088A Low-alloy super-strength steel and heat treatment technique for the same |
| 11/28/2007 | CN101078087A Petroleum drilling machine winch brake hub novel material and preparation method thereof |
| 11/28/2007 | CN101078046A 不锈钢丝退火炉 Stainless steel wire annealing furnace |
| 11/28/2007 | CN101078045A Spraying and quenching device for steel pipe, petroleum well pipe and drill pipe medium frequency heat treatment system |
| 11/28/2007 | CN101078044A Water leaching table for steel pipe, petroleum well pipe and drill pipe medium frequency heat treatment system |
| 11/28/2007 | CN101078043A Medium frequency induction heating treatment system for steel pipe, petroleum well pipe and drill pipe |
| 11/28/2007 | CN101078042A Medium frequency induction heating treatment method for steel pipe, petroleum well pipe and drill pipe |
| 11/28/2007 | CN101078041A Heating roller-way for steel pipe, petroleum well pipe and drill pipe medium frequency heat treatment system |
| 11/28/2007 | CN101078039A Air channel improvement for high-pressure vacuum air-quenching furnace |
| 11/28/2007 | CN101078038A Rod pulling type ball race continuous vacuum oil quenching furnace |
| 11/28/2007 | CN101078037A Double-chamber low-pressure high flow rate vacuum quenching acetylene carburizing furnace |
| 11/28/2007 | CN101078036A Surface nano method for silicon-containing high-carbon steel 9SiCr |
| 11/28/2007 | CN101078035A Stick-shape sample surface laser-quenching method |
| 11/28/2007 | CN100351404C Petroleum drilling rod joint higher hardness number treating process |
| 11/28/2007 | CN100351402C Process for producing steel product and production facility therefor |
| 11/27/2007 | CA2422753C Steel plate excellent in shape freezing property and method for production thereof |
| 11/22/2007 | WO2007132436A2 Process for the production of fine-grained carbon steel strips and strips thus obtainable |
| 11/22/2007 | US20070267407 Multi-Frequency Heat Treatment of a Workpiece by Induction Heating |
| 11/21/2007 | EP1857213A2 Method for manufacturing a body |
| 11/21/2007 | CN200978298Y Mercury conductive electric current short-cycle annealing device |
| 11/21/2007 | CN200978294Y Fuel gas roller hearth spheroidizing annealing furnace |
| 11/21/2007 | CN101076609A Method for thermally treating a component consisting of a fully hardenable, heat-resistant steel and a component consisting of said steel |
| 11/21/2007 | CN101074471A Low-alloy cast steel |
| 11/21/2007 | CN101074456A Heat treatment of large-circular piece welling heat-treating furnace and wind-forced generating tower drum flange |
| 11/21/2007 | CN101074455A Production of fast-drying water self-stripping metal heat treatment protecting coating |
| 11/21/2007 | CN100350061C Method for making an abrasion resistant steel plate and plate obtained |
| 11/21/2007 | CN100349691C Manufacture for casting low-alloy cold-working die steel and die steel thereby |
| 11/20/2007 | CA2295582C Ultra-high strength, weldable steels with excellent ultra-low temperature toughness |
| 11/17/2007 | CA2587311A1 High pressure turbine airfoil recovery device and method of heat treatment |
| 11/15/2007 | US20070261770 Method and Apparatus for Micro-Treating Iron-Based Alloy, and the Material Resulting Therefrom |
| 11/15/2007 | US20070261769 Obtaining a product that has good tolerance in the soft zone by havingthe tools in that area have < 25 % discrete smaller contact surfaces withthe product; dimensional stability' accuracy; structural beams for vehicles;ductility; noncracking; cost efficiency |
| 11/14/2007 | EP1854897A1 Method of manufacturing sliding member |
| 11/14/2007 | EP1853740A2 System for optically analyzing a molten metal bath |
| 11/14/2007 | EP1593142B1 Magnetically enhanced plasma processing installation for continuous material |
| 11/14/2007 | EP1476265B1 A method of cooling a hot isostatic pressing device and a hot isostatic pressing device |
| 11/14/2007 | CN200975404Y Step structural on drive axle head intermediate frequency quenching section |
| 11/14/2007 | CN200974852Y Carbide annealing furnace |
| 11/14/2007 | CN200974851Y Furnace roller |
| 11/14/2007 | CN101070582A Austenite cold-forged stainless-steel and steel wire making method |
| 11/14/2007 | CN101070580A Alloy tool steel in multi-type super-fine carbonates |
| 11/14/2007 | CN101070578A High-chromium cast-iron boiler atomizing piece and manufacturing method |
| 11/14/2007 | CN101069943A Method for making orientation-free cold-rolled electric steel-board |
| 11/14/2007 | CN100348754C Method for preparing micro-grain silicon bronze alloy |
| 11/14/2007 | CN100348743C Process controlling quenching cooling speed by regulating pulse itt duty ratio |
| 11/14/2007 | CN100348742C Spheroidal annealing process of deep-punched steel plate for preventing bullet |
| 11/14/2007 | CN100348740C Nodular cast iron crank shaft waste heat isothermal hardening |
| 11/14/2007 | CN100348739C Method for making an abrasion resistant steel plate and plate obtained |
| 11/14/2007 | CN100348738C Method for making an abrasion resistant steel plate and plate obtained |
| 11/13/2007 | US7294412 High-strength hop-dip galvanized steel sheet |
| 11/13/2007 | US7294215 Method and device for cooling steel sheet |
| 11/13/2007 | CA2415573C High strength steel weld having improved resistance to cold cracking and a welding method |
| 11/13/2007 | CA2239440C Grinding rod chemistry and method of heat treatment to enhance wearability |
| 11/08/2007 | WO2007125927A1 Method of producing bearing unit-use outer race |
| 11/08/2007 | WO2007125844A1 Constant velocity universal joint |
| 11/08/2007 | WO2007125767A1 Carbonitriding process, process for production of macine parts, and machine parts |
| 11/08/2007 | WO2007124979A1 Oscillating heat treatment method for a superalloy |
| 11/08/2007 | WO2007096929A3 Optical method for evaluating the surface-hardening of a metallic or a metal-containing material |
| 11/08/2007 | US20070256808 Method for Producing a Hardened Steel Part |
| 11/08/2007 | US20070256767 Steel Wire for Cold Forging Having Excellent Low Temperature Impact Properties and Method of Producing the Same |
| 11/08/2007 | US20070256764 Method of producing nanostructured metals using high-intensity ultrasonic vibration |
| 11/07/2007 | CN200972141Y Pulse controller for burner of gas stove |
| 11/07/2007 | CN200971374Y Body structure of continuous annealing furnace |
| 11/07/2007 | CN200971373Y Inductor for iron-base powder melallurgical chain gear induction hardening |
| 11/07/2007 | CN101067187A Stainless steel wire for spoke use and producing method thereof |
| 11/07/2007 | CN101067181A Method for producing large magnetostriction ferromagnesium alloy thin strip material |
| 11/07/2007 | CN101067162A Copper-containing steel heating method and copper-containing steel produced by the same |
| 11/07/2007 | CN101067161A Water soluble environment protection hardening media |
| 11/07/2007 | CN100347326C Alloy-steel seam-less steel-pipe and production method therefor |
| 11/07/2007 | CN100347317C Lower fluence boundary and low flow lasr shock peening |
| 11/01/2007 | WO2007121542A1 High-speed steel for saw blades |
| 11/01/2007 | WO2007096502A3 Method and device for cooling and stabilizing strip in a continuous line |
| 11/01/2007 | US20070251612 Method for heat treatment |
| 11/01/2007 | US20070251607 Process To Destroy Structures Composed Of Metallic Parts Fused/Attached To Asbestos |
| 10/31/2007 | EP1849879A1 Cyclic heat treatment process for a superalloy |
| 10/31/2007 | EP1848833A2 Method for the production of a bearing ring for large-size rolling bearings |
| 10/31/2007 | EP1664357B1 Use of a steel for the manufacturing of chains, method for producing a chain and chain produced by said method |
| 10/31/2007 | DE19882880B4 Extrem hochfeste Austenit-gealterte Stähle mit ausgezeichneter Tieftemperatur-Zähigkeit Extremely high strength austenitic steels aged with excellent low-temperature toughness |
| 10/31/2007 | DE102006042830B3 Press-quenched steel component production comprises temporarily spraying blank with cooling medium by feeding medium through feed channels into die before closing die |
| 10/31/2007 | CN200967830Y Protective atmosphere isolation apparatus for cold rolling strip steel continuous annealing furnace |
| 10/31/2007 | CN200967829Y Radiation heating and cooling tube device for strip steel continuous annealing furnace |
| 10/31/2007 | CN200967828Y Pivoted arm type large-scale ring-sleeve type accessory quenching equipment |
| 10/31/2007 | CN101063190A Martensite heat-resisting steel |
| 10/31/2007 | CN101062519A Production technique for metamerism roller |
| 10/31/2007 | CN100345983C Long Lifetine heat treatment technique of high-carbon chromium bearing collar |
| 10/31/2007 | CN100345982C Prehardening treatment method of NAK80 mould steel |