| Patents for C21D 6 - Heat treatment of ferrous alloys (4,815) |
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| 11/02/2006 | CA2607446A1 Tempered martensitic steel, method of producing a part from said steel and part thus obtained |
| 11/01/2006 | CN1854324A Production of high-alloy cold mould steel |
| 10/31/2006 | US7128791 Improved oxidation resistance and hot-workability |
| 10/26/2006 | WO2006112214A1 Motion guide device using stabilized austenitic stainless steel and method for manufacture thereof |
| 10/26/2006 | WO2006112213A1 Movement guide device using austenitic metal and process for producing the same |
| 10/25/2006 | EP1715071A1 Austenitic stainless steel, method for producing same and structure using same |
| 10/25/2006 | EP1270756B1 Supermagnetostrictive alloy and method for preparation thereof |
| 10/19/2006 | WO2006071437A3 High-strength four-phase steel alloys |
| 10/19/2006 | US20060231172 Microstructure; spray forming of ingot; improved wear resistance, hardenability and tempering resistance |
| 10/18/2006 | EP1712650A1 Material of case for storage cell |
| 10/18/2006 | CN1846887A Compound high speed steel roll and its making process |
| 10/12/2006 | WO2006106650A1 Method for producing martensitic stainless steel |
| 10/05/2006 | DE19538970B4 Spannwelle und Verfahren zu deren Herstellung Clamping shaft and methods for their preparation |
| 10/04/2006 | CN1842385A Methods for producing raw material alloy for rare earth magnet, powder and sintered magnet |
| 10/04/2006 | CN1840731A Method for manufacturing seamless steel pipe for mechanical parts |
| 10/04/2006 | CN1840727A Steel for pipe |
| 10/04/2006 | CN1840726A Steels excellent in strength and toughness and method for making same |
| 10/04/2006 | CN1840725A Steel for low temperature and high tenacity structure use and its production method |
| 10/04/2006 | CN1840723A Superhigh strength steel plate with yield strength more than 1100Mpa and method for producing same |
| 09/28/2006 | WO2006101117A1 Iron-based rare-earth-containing nanocomposite magnet and process for producing the same |
| 09/27/2006 | CN1839212A Heat treatment method for casting made from light metal melt especially aluminum melt |
| 09/26/2006 | CA2207310C Dual-phase steel and method thereof |
| 09/21/2006 | US20060207695 Method of treating tundish |
| 09/21/2006 | US20060207694 Method of removing the fused non-ferrous or ferrous metal stickers from slag pot ladles |
| 09/20/2006 | CN1276115C High-sulphur abrasion-resistant casting steel |
| 09/19/2006 | US7108756 Method for heat-treating work pieces made of temperature-resistant steels |
| 09/13/2006 | EP1257680B1 Iron base high temperature alloy |
| 09/13/2006 | CN1833046A Steel for hydrogen gas environment, structural hardware member and method for producing same |
| 09/13/2006 | CN1274864C Ferritic stainless steel and use thereof in the manufacture for high temperature resistant products |
| 09/06/2006 | EP1698711A1 Ferritic cr-containing steel |
| 09/06/2006 | CN1827795A Ferrous seal sliding parts and producing method thereof |
| 08/31/2006 | US20060191600 Steel and component of structural equipment for use in a hydrogen gas environment, and a method for the manufacture thereof |
| 08/30/2006 | EP1696041A1 Method of manufacturing an assembled body of a plurality of members, manufacturing method of electromagnetic control valve, and control valve for variable capacity compressor |
| 08/30/2006 | CN2811312Y Prepressing balancing device for door lock of deep freezing unit |
| 08/30/2006 | CN1824816A Steel for extended automobile crossbeam and mfg, method thereof |
| 08/23/2006 | EP1693855A2 Fuel element for a fast neutron reactor (variants) and a cladding for the production thereof |
| 08/23/2006 | EP1554411A4 Alloy containing rare earth element, production method thereof, magnetostrictive device, and magnetic refrigerant material |
| 08/22/2006 | US7094295 Precipitation heating ferritic stainless steel comprising carbon, nitrogen, silicon, chromium, niobiu, and iron; finishing, annealing |
| 08/16/2006 | EP1644540A4 Nano-precipitation strengthened ultra-high strength corrosion resistant structural steels |
| 08/16/2006 | EP1448803A4 Ferritic stainless steel having high temperature creep resistance |
| 08/10/2006 | WO2006082104A1 Austenitic steel having high strength and formability, method of producing said steel and use thereof |
| 08/09/2006 | CN1814845A 1000Mpa-grade high-strength hot-rolled anti-bullet steel plate and making method |
| 08/08/2006 | US7088247 Amorphous alloys for magneto-acoustic markers having reduced, low or zero cobalt content, and associated article surveillance system |
| 08/02/2006 | EP1686194A1 High strength bolt having excellent hydrogen embrittlement resistance |
| 08/01/2006 | US7083688 Formed via induction hardening, tempering; superior rotating fatigue properties and anti-surface fatigue strength |
| 07/27/2006 | US20060162826 Steel plate; silicon, aluminum, manganese, nickel, chromium, molybdenum, copper, titanium, zirconium, niobium, tantalum,tellurium, calcium, bismuth, lead, iron, vanadium and selenium; suitable for welding and thermal cutting |
| 07/27/2006 | US20060162825 Structural steel having improved quenchability without a reduction in its weldability; addition of silicon enables the quenching effectof boron to increased from 30-50%; this synergy occurs withoutincreasing the boron amount added, while silicon has no appreciable quenching effect in boron's absense |
| 07/26/2006 | EP1683885A1 High strength stainless steel pipe for line pipe excellent in corrosion resistance and method for production thereof |
| 07/26/2006 | EP1683875A2 High-speed tool steel gear cutting tool and manufacturing method therefor |
| 07/26/2006 | EP1682686A1 Dual phase steel strip suitable for galvanizing |
| 07/26/2006 | CN1809646A High-strength hot-rolled steel sheet excellent in shape fixability and method of producing the same |
| 07/26/2006 | CA2533946A1 Ferritic stainless steel welding wire and manufacturing method thereof |
| 07/19/2006 | EP1681359A1 High temperature bolt material |
| 07/19/2006 | EP1680242A1 Heat treated devolatilizer nozzle |
| 07/13/2006 | US20060151074 Steel plate and welded steel tube exhibiting low yield ratio, high strength and high toughness and method for producing thereof |
| 07/11/2006 | US7074286 Wrought Cr—W—V bainitic/ferritic steel compositions |
| 07/11/2006 | US7074285 Fracture or chipping does not occur at the cutting edge |
| 07/06/2006 | WO2006071437A2 High-strength four-phase steel alloys |
| 07/06/2006 | US20060147784 Low- contact-resistance interface structure between separator and carbon material for fuel cell, separator and carbon material used therein, and production method for stainless steel separator for fuel cell |
| 07/06/2006 | US20060144483 Steel contains, in % by weight: more than 0.1% of carbon in order to have a sufficient level of hardness and to allow the formation of carbides, but less than 0.23%, and preferably less than 0.22% so that it is suitable for welding and cutting |
| 07/06/2006 | DE102005058903A1 Karburierte Komponente und Verfahren zur Herstellung derselben Carburized component and method of producing same |
| 07/06/2006 | CA2591067A1 High-strength four-phase steel alloys |
| 07/05/2006 | EP1528995B1 Spring element made from a ferritic chrome steel |
| 07/04/2006 | US7070663 Ferritic and martensitic stainless steels excellent in machinability |
| 06/29/2006 | WO2006068258A1 Ferritic stainless steel welded pipe excellent in pipe expanding workability |
| 06/29/2006 | US20060137781 High-strength four-phase steel alloys |
| 06/28/2006 | CN1795278A Process for improving the corrosion resistance of metals |
| 06/22/2006 | WO2006064553A1 655 MPa CLASS MARTENSITIC STAINLESS STEEL EXCELLENT IN TOUGHNESS AND METHOD FOR PRODUCTION THEREOF |
| 06/21/2006 | EP1255873B1 Maraging type spring steel |
| 06/21/2006 | EP1200638B1 Method for producing an improved bainitic steel |
| 06/20/2006 | US7063752 Grain refinement of alloys using magnetic field processing |
| 06/15/2006 | US20060128496 Maraging steel golf club head |
| 06/14/2006 | EP1668165A2 Processing for cast components |
| 06/14/2006 | CN1788102A Ferritic stainless steel sheet with excellent formability, and its manufacturing method |
| 06/08/2006 | US20060119021 Method and device for heat treatment of metal workpieces as well as a heat-treated workpiece |
| 06/07/2006 | EP1664356A1 Post weld heat treatment for chemically stabilized austenitic stainless steel |
| 06/07/2006 | CN1782116A 800MPa cold rolled and hot zinc plated double phase steel and its producing method |
| 06/07/2006 | CN1782104A New technology for nodular cast iron crankshaft isothermal hardening |
| 06/07/2006 | CN1782103A Nodular cast iron crank shaft waste heat isothermal hardening |
| 06/07/2006 | CN1258779C Magnetic amplifier choke with magnetic core and method for producing magnetic core |
| 06/07/2006 | CN1258611C High speed tool steel and its mfg. method |
| 05/31/2006 | EP1662015A1 High strength stainless steel pipe excellent in corrosion resistance for use in oil well and method for production thereof |
| 05/31/2006 | CN1257994C Martensitic stainless steel and method for manufacturing same |
| 05/26/2006 | WO2006054430A1 Martensitic stainless steel |
| 05/26/2006 | WO2006054368A1 BIO-Co-Cr-Mo ALLOY WITH ION ELUTION SUPPRESSED BY REGULATION OF TEXTURE, AND PROCESS FOR PRODUCING THE SAME |
| 05/24/2006 | CN1776946A Method for preparing surface modified stainless steel as biplar plate for proton exchange membrane fuel cell |
| 05/18/2006 | WO2006050696A1 Method for thermally treating a component consisting of a fully hardenable, heat-resistant steel and a component consisting of said steel |
| 05/18/2006 | US20060102253 Surface modified stainless steel |
| 05/18/2006 | DE102005051715A1 Hardening of cast iron parts containing residual austenite with cooling of regions of the parts after production, e.g. in a liquid coolant, useful in casting production |
| 05/17/2006 | CN1774521A Steel material with excellent rolling fatigue life and method of producing the same |
| 05/11/2006 | WO2006048083A1 Shut-off device and method for producing a shut-off device |
| 05/11/2006 | US20060096669 Anisotropic alloy of rare earth metal, transition metal and/or boron, carbon, nitrogen and oxygen; making crystalline alloy material amorphous, recrystallizing; use in motors and sensors |
| 05/10/2006 | CN1255312C Endless yarn tensioning strip and method for producing the same |
| 04/27/2006 | WO2006042931A1 Method for production of sheets of austenitic iron/carbon/manganese steel and sheets produced thus |
| 04/26/2006 | EP1650320A1 Steel for hydrogen gas environment, structural hardware member and method for producing same |
| 04/26/2006 | CN1764775A Piston for internal combustion engine |
| 04/20/2006 | US20060081314 Steel material with excellent rolling fatigue life and method of producing the same |
| 04/20/2006 | DE10348810B4 Verfahren zur Herstellung von Metallpulvern mit Körnern im Nanomaßstab und einer hervorragenden Hochfrequenzcharakteristik sowie Verfahren zur Herstellung eines Hochfrequenz-Weichmagnetkerns unter Verwendung solcher Pulver Process for the preparation of metal powders with grains in the nano-scale, and an excellent high frequency characteristic and to methods for producing a high-frequency soft magnetic core using such powder |
| 04/19/2006 | CN1252305C Phase transformation control nitride evolved hardened quenched and tempered steel |
| 04/19/2006 | CN1252304C High silicon steel and method for preparing same |