| Patents for C21D 6 - Heat treatment of ferrous alloys (4,815) |
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| 12/20/2007 | US20070289679 High Strength Cold Rolled Steel Sheet Having Excellent Shape Freezability, and Method for Manufacturing the Same |
| 12/19/2007 | EP1867743A1 Austenitic stainless steel |
| 12/19/2007 | EP1867737A1 Method for producing martensitic stainless steel |
| 12/19/2007 | CN101090987A High-strength four-phase steel alloys |
| 12/18/2007 | US7309396 Giant magnetostrictive material and heat treatment method for giant magnetostrictive material |
| 12/13/2007 | WO2007142075A1 Process for producing magnetic powder and process for producing dust core |
| 12/12/2007 | EP1257414B1 Use of a dimensionally stable iron-chrome-aluminum film |
| 12/05/2007 | CN100352965C Method of manufacturing oxide dispersion strengthened martensitic steel excellent in high-temperature strength |
| 12/05/2007 | CN100352964C Production of high-alloy cold mould steel |
| 12/05/2007 | CN100352963C Soft magnetic structural steel resisting salt fog corrosion and its making process |
| 11/28/2007 | CN100351415C Ferritic stainless steel sheet with excellent formability, and its manufacturing method |
| 11/22/2007 | WO2007132436A2 Process for the production of fine-grained carbon steel strips and strips thus obtainable |
| 11/21/2007 | EP1338359B1 Process for producing, through strip casting, raw alloy for nanocomposite type permanent magnet |
| 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 |
| 11/20/2007 | US7297177 Cold work steel |
| 11/20/2007 | CA2207382C Ultra-high strength steels and method thereof |
| 11/15/2007 | US20070264150 Alloys having low coefficient of thermal expansion and methods of making same |
| 11/15/2007 | US20070261767 Thermal spray coated work rolls for use in metal and metal alloy sheet manufacture |
| 11/14/2007 | EP1854902A1 Martensitic stainless steel excellent in machinability |
| 11/14/2007 | EP1854901A1 Corrosion resistant alloy and components made therefrom |
| 11/14/2007 | EP1854900A1 Steel excellent in resistance to sulfuric acid dew point corrosion |
| 11/14/2007 | CN100348740C Nodular cast iron crank shaft waste heat isothermal hardening |
| 11/13/2007 | US7294212 High-strength stainless steel material in the form of a wheel rim and method for manufacturing the same |
| 11/01/2007 | WO2007123164A1 Piston ring material for internal combustion engine |
| 11/01/2007 | US20070251609 Ultratough High-Strength Weldable Plate Steel |
| 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 | CN101065503A High-strength steel strip or sheet exhibiting twip properties and method for producing said strip by direct strip casting |
| 10/25/2007 | WO2007119721A1 Method of pretreatment for quenching of martensitic tool steel and method of quenching |
| 10/25/2007 | WO2007119553A1 Process for producing rare-earth permanent magnet material |
| 10/25/2007 | WO2007119551A1 Method for producing rare earth permanent magnet material |
| 10/25/2007 | WO2007119271A1 Thin-film rare earth magnet and method for manufacturing the same |
| 10/24/2007 | EP1846584A1 Austenitic steel having high strenght and formability method of producing said steel and use thereof |
| 10/24/2007 | CN101061245A Martensitic stainless steel |
| 10/17/2007 | CN101053936A Medium-carbon micro titanium alloy steel tooth cover and its producing technology method |
| 10/17/2007 | CN100343409C Cold work steel and cold work tool |
| 10/11/2007 | WO2007114077A1 Process for producing seamless two-phase stainless-steel pipe |
| 10/11/2007 | DE102006016348A1 Partielles Laserhärten Partial laser hardening |
| 10/10/2007 | EP1255873B9 Maraging type spring steel |
| 10/10/2007 | CN101052734A Bio-Co-Cr-Mo alloy with ion elution suppressed by regulation of texture, and process for producing the same |
| 10/04/2007 | WO2007074157A3 Method for producing a cold-rolled strip from stainless steel with a ferritic structure and a reduced susceptibility to ridging |
| 10/04/2007 | DE19707033B4 Wälzlager Rolling bearings |
| 10/03/2007 | EP1198604B1 Nickel-poor austenitic steel |
| 10/03/2007 | CN100340897C Spectacle frame |
| 10/02/2007 | US7276128 Amorphous alloys for magneto-acoustic markers in electronic article surveillance having reduced, low or zero co-content and method of annealing the same |
| 09/26/2007 | EP1837414A1 Decorative product and timepiece |
| 09/26/2007 | EP1836327A2 High-strength four-phase steel alloys |
| 09/26/2007 | CN101041885A Steel for plastic molds and process of heat treatment thereof |
| 09/25/2007 | US7273584 mixing powders or alloy powders with yttrium oxide powder to form a mixed powder, then alloying, solidifying by hot extrusion, heat treating and tempering to form heat resistant martensite steels |
| 09/19/2007 | CN100338237C Martensitic stainless steel and steelmaking process |
| 09/19/2007 | CN100338235C Method and device for continuous annealing metallic ribbons with improved process efficiency |
| 09/13/2007 | WO2007102280A1 Method of metal surface hardening treatment inducing transformation |
| 09/12/2007 | EP1831410A1 Method for thermally treating a component consisting of a fully hardenable, heat-resistant steel and a component consisting of said steel |
| 09/12/2007 | EP1831408A2 Composition and process for enhanced properties of ferrous components |
| 09/11/2007 | US7267730 Ferrite stainless steel for automobile exhaust system member superior in thermal fatigue strength |
| 09/06/2007 | US20070204940 Rolling/sliding member, toroidal continuously variable transmission using the same method of manufacturing rolling/sliding member |
| 09/05/2007 | EP1829982A1 BIO-Co-Cr-Mo ALLOY WITH ION ELUTION SUPPRESSED BY REGULATION OF TEXTURE, AND PROCESS FOR PRODUCING THE SAME |
| 08/30/2007 | US20070199631 Method for producing a hot strip from a steel which has a high manganese content |
| 08/30/2007 | US20070199630 High in impact value and free from variations in tool performance;reducing the variations in precipitated carbide composition contained in the tool steel; quenching or hardening and then tempering process, through which the hardness of the tool product is controlled |
| 08/29/2007 | EP1826287A2 High strength steel sheet having excellent formability |
| 08/29/2007 | EP1826286A2 Steel part having long rolling contact fatigue life and method for producing the same |
| 08/29/2007 | EP1826285A1 Martensitic stainless steel |
| 08/29/2007 | CN101027417A Stainless steel sheet for gasket and method for producing same |
| 08/29/2007 | CN101027148A Nano-crystalline steel sheet |
| 08/28/2007 | CA2416950C Inert material with increased hardness for thermally stressed parts |
| 08/21/2007 | CA2414164C Iron-base alloy and method for producing the same |
| 08/15/2007 | CN1332044C Method for producing martensitic stainless steel |
| 08/15/2007 | CN1332043C Method of producing ultra-fine grain structure for unalloyed or low-alloyed steel |
| 08/09/2007 | WO2007087785A1 Iron-nickel alloy |
| 08/09/2007 | US20070181230 Method for producing mat-surfaced austenitic stainless steel strips |
| 08/09/2007 | CA2637790A1 Iron-nickel alloy |
| 08/08/2007 | EP1816220A1 Stainless steel sheet for gasket and method for producing same |
| 08/08/2007 | CN1330789C 600MPa grade low temperature high toughness weather corrosion resistant steel and its production method |
| 08/08/2007 | CN101014789A Method of manufacturing metal gasket |
| 08/08/2007 | CN101013518A Magneto-acoustic marker for electronic article surveillance having reduced size and high signal amplitude |
| 08/07/2007 | CA2249881C High hardness powder metallurgy high-speed steel article |
| 08/02/2007 | WO2007085720A1 Method for making spark ignition engine valve, and resulting valve |
| 08/01/2007 | EP1294528A4 Method of brazing and article made therefrom |
| 08/01/2007 | CN1329547C Ferrite stainless steel for automobile exhaust system member superior in thermal fatigue strength |
| 08/01/2007 | CN1329544C High anti-extrusion petroleum casing pipe and method for producing same |
| 08/01/2007 | CN1329543C Method for producing oxidation-resistant high Cr ferritic heat resistant steel |
| 08/01/2007 | CN1329533C Method for producing a metal strip from an iron-nickel alloy for tensioned shadow masks |
| 07/31/2007 | CA2405278C Hot-working steel article |
| 07/26/2007 | DE19750607B4 Verfahren zur Wärmebehandlung von chirurgischen Nadeln durch Alterung A method of heat treatment of surgical needles by aging |
| 07/25/2007 | CN1328406C Martensite wear resistant cast steel with film austenic toughened and its manufacturing method |
| 07/19/2007 | WO2007079876A1 Method and device adjusting targeted combinations of properties of polyphase steel |
| 07/19/2007 | CA2636287A1 Method and device adjusting targeted combinations of properties of polyphase steel |
| 07/18/2007 | EP1807542A1 High-strength steel strip or sheet exhibiting twip properties and method for producing said strip by direct strip casting " |
| 07/12/2007 | WO2007077651A1 Amorphous alloy thin-band, nanocrystalline soft magnetic alloy and magnetic core consisting of nanocrystalline soft magnetic alloy |
| 07/12/2007 | WO2007076748A1 Deformable lightweight structural steel |
| 07/11/2007 | EP1805438A1 Shut-off device and method for producing a shut-off device |
| 07/11/2007 | EP1805333A1 Method for production of sheets of austenitic iron/carbon/manganese steel and sheets produced thus |
| 07/11/2007 | EP1404884B1 Improved metal frame for electronic hardware and flat panel displays |
| 07/11/2007 | EP1339880B1 Method for making a strip or a workpiece cut out from a cold rolled maraging steel strip |
| 07/11/2007 | CN1995408A Continuous intensification method of 0Cr17Ni7A1 material after timing heat treatment |
| 07/05/2007 | WO2007074157A2 Method for producing a cold-rolled strip from stainless steel with a ferritic structure and a reduced susceptibility to ridging |
| 07/05/2007 | US20070151638 Method to develop an organized microstructure within an implantable medical device |
| 07/04/2007 | CN1324158C Ferritic and martensitic stainless steels excellent in machinability |
| 06/28/2007 | US20070144634 Ferritic cr-contained steel |
| 06/28/2007 | US20070143997 Crankshaft comprising a combined gear wheel and method for the production and use of said crankshaft |
| 06/27/2007 | EP1682686A4 Dual phase steel strip suitable for galvanizing |