| Patents for C21D 6 - Heat treatment of ferrous alloys (4,815) |
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| 04/13/2005 | CN1606711A Spectacle frame |
| 04/13/2005 | CN1196803C Iron-based alloy and method for production thereof |
| 04/07/2005 | US20050072499 Method and installation for producing a hot rolled strip from austenitic rust-resistant steels |
| 03/30/2005 | EP1518002A1 Surface modified stainless steel |
| 03/30/2005 | EP1216311B1 Method for the manufacture of products of precipitation hardened martensitic stainless steel and use of the method |
| 03/29/2005 | CA2245864C Cutting die and method of forming |
| 03/24/2005 | WO2004106559A3 Process for improving the corrosion resistance of metals |
| 03/24/2005 | DE19857156B4 Verwendung eines Panzerungsbleches aus martensitaushärtendem Stahl Use of armor plate made of maraging steel |
| 03/23/2005 | CN1599805A Ferritic stainless steel having high temperature creep resistance |
| 03/22/2005 | US6869489 Steel for high bearing pressure-resistant member, having high machinability, and high bearing pressure-resistant member using same steel |
| 03/17/2005 | WO2005024071A1 Post weld heat treatment for chemically stabilized austenitic stainless steel |
| 03/17/2005 | DE19928764B4 Eisen-Kobalt-Legierung mit geringer Koerzitivfeldstärke und Verfahren zur Herstellung von Halbzeug aus einer Eisen-Kobalt-Legierung Iron-cobalt alloy with a low coercive field strength and method of producing semi-finished products made of an iron-cobalt alloy |
| 03/17/2005 | DE10348810A1 Manufacture of amorphous soft magnetic core having excellent high-frequency characteristic, used in e.g. choke coils, by performing thermal treatment of iron-based amorphous metal ribbons produced, by using rapid solidification process |
| 03/16/2005 | EP1159462B9 An enhanced machinability precipitation-hardenable stainless steel for critical applications |
| 03/10/2005 | WO2005021806A1 High temperature bolt material |
| 03/10/2005 | US20050051239 Seamless body; iron, chromium, cobalt alloy; shaped by spinning; magnetism pattern |
| 03/09/2005 | EP1511873A1 Cold work steel and cold work tool |
| 03/09/2005 | EP1511872A1 Steel and mould tool for plastic materials made of the steel |
| 03/09/2005 | EP1511867A1 Method and device for continuous annealing metallic ribbons |
| 03/09/2005 | EP1214720B1 METHOD FOR PRODUCING PERMANENT MAGNETS ON THE BASIS OF BORON-LOW Nd-Fe-B ALLOY |
| 03/02/2005 | EP1510591A2 Method of manufacturing oxide dispersion strengthened martensitic steel excellent in high-temperature strength having residual Alpha-grains |
| 02/24/2005 | WO2005017222A1 High strength stainless steel pipe excellent in corrosion resistance for use in oil well and method for production thereof |
| 02/24/2005 | WO2005016577A2 Processing for cast components |
| 02/24/2005 | US20050042127 sufficient alpha to gamma transformation during heat treatment is ensured by suppressing the bonding of Ti with C thereby to maintain the C concentration in the matrix even when Ti is added to the oxide dispersion strengthened ferritic steel |
| 02/22/2005 | US6858099 Cold plastic- working marageing steel to form a predetermined dimension; solution-heating at 750-800 degrees C. for 60 minutes or more; and aging to form steels of high fatigue strength used in power transmission industrial |
| 02/17/2005 | US20050034796 Heating, quenching, tempering |
| 02/17/2005 | US20050034787 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 |
| 02/16/2005 | CN1579682A Method for making nano-scale metal powder and method for making high-frequency soft magnetic core using same |
| 02/10/2005 | DE10333272A1 Spring element used as a sprung blade for windscreen wipers on motor vehicles is made from a ferritic chrome steel containing alloying additions of silicon, manganese, chromium, molybdenum, copper, niobium and vanadium |
| 02/09/2005 | CN1578843A Duplex stainless steels |
| 02/02/2005 | CN1575347A Ferritic stainless steel and use thereof in the manufacture for high temperature resistant products |
| 02/02/2005 | CN1187464C Fe-Ni permalloy, method for manufacturing same and casting blank |
| 02/02/2005 | CN1187159C Method for brazing and article made therefrom |
| 01/27/2005 | US20050016633 Atomizing melt solution; solidification; heat treatment |
| 01/26/2005 | EP1501105A2 Method of manufacturing soft magnetic articles |
| 01/26/2005 | CN1571859A Martensitic stainless steel and method for manufacturing same |
| 01/26/2005 | CN1571079A A method for processing Nd-Fe-B permanent magnetic material |
| 01/25/2005 | CA2204031C High nickel austenitic stainless steels resistant to degradation by neutron radiation |
| 01/20/2005 | DE10327082A1 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 |
| 01/19/2005 | EP1498501A1 Method for producing martensitic stainless steel |
| 01/19/2005 | EP0934579B1 Magnetostrictive element for use in a magnetomechanical surveillance system |
| 01/19/2005 | CN2672080Y Deep coupling processor for work mold |
| 01/18/2005 | US6843867 Method of austempering steel parts |
| 01/12/2005 | EP1373590B1 Ultra-high-strength precipitation-hardenable stainless steel and elongated strip made therefrom |
| 01/12/2005 | EP1163377B1 A method of heat treating stainless steel strip |
| 01/11/2005 | US6841014 Heat-treatment to increase malleability, stamping out, machining, then age hardening to precipitation to improve mechanical properties |
| 01/11/2005 | US6841011 Iron base high temperature alloy and method of making |
| 01/11/2005 | CA2154090C Method and apparatus for heat-treating profiled rolling stock |
| 01/05/2005 | EP1419281B1 Method for increasing the dynamic stability under load of a toothed structural component |
| 01/05/2005 | EP1392873A4 Method of producing stainless steels having improved corrosion resistance |
| 01/05/2005 | EP1290236A4 Welding method, filler metal composition and article made therefrom |
| 12/30/2004 | US20040265162 alloys of iron and chromium, aluminum, zirconium, silicon, titanium, niobium, carbon, nitrogen, yttrium and/or rare earth elements, having oxidation and creep resistance, used to form pipes for manifolds of sutomobile exhaust systems, blooms, strips, ingots, castings or forgings |
| 12/29/2004 | EP1490187A1 A method for manufacturing an ultra-high-tensile, stretch formed or stretch bent sheet metal product of steel |
| 12/23/2004 | WO2004111291A1 Steel for hydrogen gas environment, structural hardware member and method for producing same |
| 12/16/2004 | WO2004108970A2 Nano-precipitation strengthened ultra-high strength corrosion resistant structural steels |
| 12/16/2004 | US20040250923 Method for producing oxidation-resistant high cr ferritic heat resistant steel |
| 12/16/2004 | CA2528165A1 Nano-precipitation strengthened ultra-high strength corrosion resistant structural steels |
| 12/15/2004 | CN1180112C Shape memory alloy |
| 12/14/2004 | US6830634 Heat treatment in channel with transverse projection for heat contact |
| 12/09/2004 | WO2004106559A2 Process for improving the corrosion resistance of metals |
| 12/08/2004 | EP1483417A1 A method for manufacturing an ultra-high-tensile pressure turned sheet metal product of steel |
| 12/07/2004 | US6827797 Process for making triple-phase nano-composite steels |
| 12/07/2004 | US6827557 Mixing an amorphous alloy powder with a polyimide/phenolic resin binder dissolved in an organic solvent to evenly coat the binder in liquid phase on the surface of the alloy powder and heat treating; compression molding; magnetic flux |
| 12/02/2004 | WO2004104234A1 Fe-ni alloy metal wire having a high mechanical strength and a low thermal expansion co-efficient, which is intended for high voltage cables, and production method thereof |
| 12/01/2004 | EP1481109A1 Use of chrome steel as raw material for corrosion-resistant spring elements and method for producing said chrome steel |
| 12/01/2004 | EP1481108A1 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels |
| 12/01/2004 | EP1481107A1 Martensitic stainless steel and method for manufacturing the same |
| 12/01/2004 | EP1481102A1 Method of heat treatment of stainless steel. |
| 12/01/2004 | EP1218552A4 Low-carbon steels of superior mechanical and corrosion properties |
| 12/01/2004 | CN1550565A High-strength stainless steel sheet and method for manufacturing the same |
| 12/01/2004 | CN1177662C Casting slab for shadow mask, method for heat treatment thereof and material for shadow mask |
| 11/25/2004 | US20040231761 Prepared by tensile deforming samples by applying 3.0% or 3.5% prestrain at room temperature, heating to 600 degrees C. for 10 minutes, and cooling |
| 11/23/2004 | US6821362 Tool with coiled blade; plasma electric arc welding |
| 11/23/2004 | US6821360 Heat treatment comprising the steps of normalizing the heat resistant steel, and oil-cooling the normalized heat-resisting steel to a temperature of <300 degrees c.; high heat resistance and mechanical strength; steam turbine rotors |
| 11/23/2004 | US6821358 Ferritic stainless steel which can be used for ferromagnetic parts |
| 11/18/2004 | US20040226634 High-strength stainless steel sheet and method for manufacturing the same |
| 11/17/2004 | EP1477574A2 High-strength stainless steel sheet and method for manufacturing the same |
| 11/17/2004 | EP1379706B1 Tool steel having high toughness, method for producing parts made of said steel, and parts thus obtained |
| 11/17/2004 | EP1159717B1 Magneto-acoustic marker for electronic article surveillance having reduced size and high signal amplitude |
| 11/16/2004 | US6818040 High nitrogen content; containing at least carbon, nitrogen, manganese, silicon, chromium, molybdenum, tungsten, iron and vanadium with niobium combination; cold work tools; friction and adhesive wear resistance |
| 11/10/2004 | EP1169485A4 Ultra-high strength ausaged steels with excellent cryogenic temperature toughness |
| 11/10/2004 | CN1544680A High silicon steel and method for preparing same |
| 11/03/2004 | EP1472384A2 Fe-based amorphous metal alloy having a linear bh loop |
| 11/03/2004 | CN1174110C Welding method, filler metal composition and article made therefrom |
| 11/02/2004 | US6811624 Method for production of dual phase sheet steel |
| 11/02/2004 | US6811622 Corrosion-resistant precipitation-hardened austenitic steel containing large amount of intersticially dissolved nitrogen |
| 11/02/2004 | US6811581 High-speed tool steel gear cutting tool and manufacturing method therefor |
| 10/28/2004 | WO2004092434A1 Steel material with excellent rolling fatigue life and method of producing the same |
| 10/28/2004 | WO2003076676A8 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels |
| 10/28/2004 | US20040211495 Dual phase steel strip suitable for galvanizing |
| 10/27/2004 | EP1471161A1 A stainless steel sheet having Cu-enriched grains dispersed in its matrix and/or a Cu-condensed layer |
| 10/27/2004 | EP1469954A1 Method and installation for producing a hot rolled strip from austenitic rust-resistant steels |
| 10/27/2004 | EP0996759B1 Amorphous magnetostrictive alloy with low cobalt content and method for annealing same |
| 10/27/2004 | CN1540023A High speed tool steel and its mfg. method |
| 10/27/2004 | CN1173066C 12 Cr alloy steel for turbin rotor, its manufacturing method and turbin rotor |
| 10/26/2004 | CA2223656C Stainless steel wire and process for manufacturing |
| 10/21/2004 | US20040206421 Method for increasing the dynamic stability under load of a toothed structural component |
| 10/21/2004 | DE10332722B3 Use of a steel alloy containing alloying additions of manganese and silicon as a material for the production of spring plates for vehicle shock absorbers |
| 10/20/2004 | EP1469094A1 High speed tool steel and its manufacturing method |
| 10/20/2004 | CN1172017C Ferritic stainless steel with excellent machinability and production thereof |