| Patents for C21D 6 - Heat treatment of ferrous alloys (4,815) |
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| 06/21/2007 | DE10327082B4 Rotationssymmetrischer Hohlkörper aus einer verformbaren dauermagnetischen Legierung sowie dessen Verwendung und Herstellverfahren Rotational hollow body made of a deformable permanent magnetic alloy and its use and manufacturing |
| 06/13/2007 | EP1796111A1 Amorphous alloys for magneto-acoustic markers in electronic article surveillance having reduced, low or zero co-content and method of annealing the same |
| 06/13/2007 | EP1795785A1 Method of manufacturing metal gasket |
| 06/13/2007 | EP1795617A1 Process for heat treating electrical steel sheet |
| 06/12/2007 | US7229507 High speed tool steel |
| 06/07/2007 | US20070125450 High-silicon steel and method of making the same |
| 06/06/2007 | CN1977061A Iron-based rare-earth-containing nanocomposite magnet and process for producing the same |
| 06/05/2007 | US7226515 Suitable for use in a magnetic head, a magnetic shielding material, an iron core of a transformer; cast slab |
| 05/30/2007 | EP1791136A1 Amorphous alloys for magnetic-acoustic markers in electronic article surveillance having reduced, low or zero co-content and method of annealing the same |
| 05/23/2007 | CN1317417C Alloy gray iron material for vehicle covering mould and its preparation method |
| 05/23/2007 | CN1317415C Steel and steel pipe for high-temp. use |
| 05/22/2007 | US7220327 Kick-down drum material and method of manufacturing the same |
| 05/15/2007 | CA2305649C Method for reducing the resistivity of the corrosion-induced oxide layer, and applications |
| 05/10/2007 | US20070102074 Method for heat treating cast parts produced from a light metal melt, in particular an aluminium melt |
| 05/09/2007 | EP1783240A1 High-nitrogen austentic stainless steel |
| 05/02/2007 | CN1957101A Steel with high mechanical strength and wear resistance |
| 05/02/2007 | CN1955327A Martensitic stainless steel with excellent machinability |
| 05/02/2007 | CN1313633C Hard hollow alloy ball iron mould material for vehicle mould and its making method |
| 05/01/2007 | US7211159 Ferritic heat-resistant steel and method for production thereof |
| 04/26/2007 | US20070089809 Fe-Ni based permalloy and method of producing the same and cast slab |
| 04/24/2007 | CA2371333C Steel for plastic molds and process for the heat treatment thereof |
| 04/19/2007 | US20070084529 High strength and high ductility steel sheet having ultrafine crystalline grain structure obtained by low strain processing and annealing of ordinary low carbon steel, and a method for producing thereof |
| 04/19/2007 | DE10207132B4 Verfahren zum bereichsweisen Verstärken eines Werkstückes mit einem Loch A method for amplifying a region-wise workpiece with a hole |
| 04/18/2007 | CN1950530A Component for machine structure, method for producing same, and material for high-frequency hardening |
| 04/18/2007 | CN1948516A Temperature controllable deep cooling treatment system bases on natural circulation |
| 04/12/2007 | US20070079912 Weldable component of structural steel and method of manufacture |
| 04/05/2007 | WO2007038789A1 Methods for heat treating thick-walled forgings |
| 04/05/2007 | US20070074793 stainless steel seamless linepipe has excellent corrosion resistance and resistance to sulfide stress cracking, suitable for linepipes transporting crude oil or natural gas produced from oil wells or gas wells under extremely corrosive environments containing carbon dioxide gas, chlorine ion; mixed phase |
| 04/05/2007 | CA2623995A1 Methods for heat treating thick-walled forgings |
| 04/04/2007 | EP1770181A1 Component for machine structure, method for producing same, and material for high-frequency hardening |
| 04/04/2007 | CN1942596A Austenitic stainless steel, method for producing same and structure using same |
| 04/04/2007 | CN1308476C Chilled alloy and magnetic powder |
| 03/29/2007 | WO2007033711A1 Method for treating a steel strip |
| 03/29/2007 | WO2007033635A1 Process for manufacturing cold-formed precision steel pipes |
| 03/29/2007 | CA2622410A1 Process for manufacturing cold-formed precision steel pipes |
| 03/22/2007 | WO2007032531A1 Nanocrystalline magnetic alloy, method for producing same, alloy thin band, and magnetic component |
| 03/22/2007 | US20070065717 Material of case for storage cell |
| 03/21/2007 | EP1764424A1 Magnetic substrate, laminate of magnetic substrate and method for producing thereof |
| 03/15/2007 | WO2005118904A3 Case hardened stainless steel oilfield tool |
| 03/14/2007 | EP1762632A1 Iron-based rare-earth-containing nanocomposite magnet and process for producing the same |
| 03/07/2007 | EP1760162A1 Process for producing steels being tough at sub-zero temperature |
| 03/07/2007 | CN1924062A Welding metal with excellent flexibility at low-temperature |
| 03/07/2007 | CN1303243C Stainless steelused for brake disk of disk type brake |
| 03/06/2007 | US7186304 has chromium, cobalt, vanadium, molybdenum, nickel, manganese, silicon, tungsten, titanium, niobium and iron; corrosion resistance |
| 02/28/2007 | CN1922337A Steel sheet or steel pipe being reduced in expression of baushinger effect, and method for production thereof |
| 02/28/2007 | CN1920080A High-toughness low-alloy constructional steel and producing method thereof |
| 02/28/2007 | CN1302142C High-strength stainless steel sheet and method for manufacturing the same |
| 02/21/2007 | CN1918313A Welded ferritic stainless steel tube having excellent tube expanding workability |
| 02/14/2007 | EP1751321A2 Steel with high mechanical strength and wear resistance |
| 02/14/2007 | CN1300364C Magnetic base material, laminate from magnetic base material and method for production thereof |
| 02/13/2007 | US7175717 Method for making nano-scale grain metal powders having excellent high-frequency characteristic and method for making high-frequency soft magnetic core using the same |
| 02/07/2007 | EP1749599A1 Methods for producing raw material alloy for rare earth magnet, powder and sintered magnet |
| 02/07/2007 | CN1910302A Austenitic stainless steel sheet excellent in color tone of surface and method for manufacturing it |
| 02/07/2007 | CN1298869C Maraging steel and process for manufacturing a strip or a part cut out of a strip of cold-rolled maraging steel |
| 02/01/2007 | WO2007013485A1 High-strength steel pipe and method of heat treatment therefor |
| 02/01/2007 | US20070023112 Processing for cast components |
| 01/24/2007 | CN1902333A Ferritic cr-containing steel |
| 01/24/2007 | CN1296509C High strength weldable ageing hardening steel and its production method |
| 01/24/2007 | CN1296497C Double temperature quenching and strong toughening treatment method for cold forging die |
| 01/18/2007 | WO2006128050B1 Razor blades and compositions and processes for the production of razor blades |
| 01/17/2007 | EP1342799B1 Method for baking steel parts |
| 01/17/2007 | CN1898404A Material of case for storage cell |
| 01/17/2007 | CN1295370C High speed steel and its rare earth treating process |
| 01/16/2007 | US7163595 Thermal process for treating metals to improve structural characteristics |
| 01/16/2007 | US7163593 Iron-based alloy and method for production thereof |
| 01/11/2007 | WO2007003748A1 Martensitic stainless steel composition, method for making a mechanical part from said steel and resulting part |
| 01/11/2007 | CA2612718A1 Martensitic stainless steel composition, method for making a mechanical part from said steel and resulting part |
| 01/10/2007 | EP1740734A2 Nano-crystalline steel sheet |
| 01/10/2007 | CN1891846A Martensite stainless steel |
| 01/09/2007 | CA2210744C Molds for plastic prototyping and isothermal forging of aluminum, steel therefore, and method of manufacture thereof |
| 01/03/2007 | EP1481107B1 Martensitic stainless steel and method for manufacturing the same |
| 01/03/2007 | CN1890762A Nano-composite magnet, quenched alloy for nano-composite magnet, and method for producing them and method for distinguishing them |
| 01/03/2007 | CN1888115A Soft magnetic structural steel resisting salt fog corrosion and its making process |
| 01/03/2007 | CN1888092A Heat treatment process for antiwear ferrous metal material ZG35CrMnSiBRe |
| 01/03/2007 | CN1292847C Method and installation for producing a hot rolled strip from austenitic rust-resistant steels |
| 12/28/2006 | WO2006136079A1 An austenite-film toughened martensite wear-resisting cast steel and its manufacture process |
| 12/27/2006 | CN1292442C Method for producing alloy for formation of bonded rare-earth magnet and bonded rare-earth magnet composition |
| 12/27/2006 | CN1291802C Composite roller for high vanadium high speed steel and its production process |
| 12/21/2006 | WO2006134541A1 Method for manufacturing a stainless steel product |
| 12/21/2006 | WO2005123975A3 Steel with high mechanical strength and wear resistance |
| 12/21/2006 | WO2005118902A3 Nano-crystalline steel sheet |
| 12/21/2006 | US20060283530 Hot-shaping and hardening a workpiece |
| 12/20/2006 | EP1734143A1 Ferritic stainless steel sheet excellent in formability and method for production thereof |
| 12/14/2006 | WO2006114499A3 Tempered martensitic steel, method of producing a part from said steel and part thus obtained |
| 12/14/2006 | DE19750606B4 Verfahren zur Wärmebehandlung und Temperung von chirurgischen Nadeln Process for the heat treatment and annealing of surgical needles |
| 12/13/2006 | CN1290126C Annealed amorphous alloys for magneto-acoustic markers |
| 12/12/2006 | CA2228846C Raw material for magnetic shield, production method thereof, and color television receiver |
| 12/06/2006 | EP1727920A1 Uphill method for the heat treatment and reduction of internal stresses of cast parts produced from a light metal melt ,especially an aluminium melt |
| 11/30/2006 | WO2006128050A1 Razor blades and compositions and processes for the production of razor blades |
| 11/29/2006 | EP1725689A2 Forged or stamped average or small size mechanical part |
| 11/29/2006 | EP1325166B1 Layered surface coating on a substrate of stainless steel and process of producing it |
| 11/29/2006 | EP1017862B1 Method for producing ultra-high strength, weldable steels with superior toughness |
| 11/21/2006 | CA2037921C Ferrochromium alloy |
| 11/15/2006 | EP1722001A1 High strength weathering nickel-cobalt-steel without aluminium and titanium and method for making same |
| 11/15/2006 | EP1722000A1 High strength stainless chromium-nickel steel without aluminium and titanium, and method for making same |
| 11/15/2006 | CN1861811A Annealed amorphous alloys for magneto-acoustic markers |
| 11/08/2006 | CN1858283A Silicon-vanadium-nitrogen microalloyed medium carbon steel |
| 11/02/2006 | WO2006114499A2 Tempered martensitic steel, method of producing a part from said steel and part thus obtained |
| 11/02/2006 | US20060243354 containing a martensite phase as a primary phase and a ferrite phase, or further containing an austenite phase; heat resistance to high temperature; chemical resistant to CO2, chloride ions |
| 11/02/2006 | EP1717331A1 Steel sheet or steel pipe being reduced in expression of baushinger effect, and method for production thereof |