| Patents for C21D 6 - Heat treatment of ferrous alloys (4,815) |
|---|
| 10/05/2005 | EP1581277A1 Medical devices |
| 09/29/2005 | US20050211751 Heat treatment; for joints between stainless steel components; impellers |
| 09/29/2005 | US20050211347 cold working an alloy of iron, chromium, nickel and carbon, to increase it's yield points and strength; hardening |
| 09/28/2005 | EP1238118B1 Martensitic stainless steel and steelmaking process |
| 09/22/2005 | US20050205168 Crankshaft |
| 09/21/2005 | EP1577414A2 Heat-resistant austenitic stainless steel and a production process thereof |
| 09/21/2005 | EP1228253B8 Steel composition, method for making same and parts produced from said compositions, particularly valves |
| 09/21/2005 | CN1671880A Plasma-nitriding of maraging steel, shaver cap for an electric shaver, cutting device made out of such steel and an electric shaver |
| 09/21/2005 | CN1671876A Steel and mould tool for plastic materials made of the steel |
| 09/21/2005 | CN1670234A Crankshaft |
| 09/08/2005 | US20050194073 high-temperature strength and sag-resistance capable of resisting working temperatures of not less than 550 degrees C; low in cost; for heat-resistant members used in exhaust systems of an automobile engine and an aeroengine |
| 09/08/2005 | US20050194067 temper hardness, to improve corrosion resistance and cold workability, and to ensure a necessary level of toughness, by reducing the C content, by increasing the N content, by reducing also the Si, Al and Ti contents, and by adding V |
| 09/07/2005 | EP1571231A1 Martensitic Stainless Steel |
| 09/07/2005 | CN1664153A Anticorrosion and antiwear martensitic stainless steel and its production method and use |
| 09/07/2005 | CN1664152A High-strength anti-corrosion steel plate for rail vehicle and its making method |
| 09/07/2005 | CN1664151A High speed steel and its rare earth treating process |
| 09/07/2005 | CN1664150A Sulfur-containing free-cutting pinion steel and method for producing steel pipe |
| 09/07/2005 | CN1664147A High anti-extrusion petroleum casing pipe and method for producing same |
| 09/06/2005 | US6939419 Method for producing axially symmetric parts and the article |
| 09/06/2005 | CA2173507C Precipitation hardened ferrous alloy with quasicrystalline precipitates |
| 09/01/2005 | WO2005080621A1 Steel sheet or steel pipe being reduced in expression of baushinger effect, and method for production thereof |
| 08/31/2005 | CN1661128A Kick-down drum material and method of manufacturing the same |
| 08/31/2005 | CN1661125A Cast iron material, seal material and the production method |
| 08/30/2005 | US6935555 Method of brazing and article made therefrom |
| 08/25/2005 | US20050183800 Kick-down drum material and method of manufacturing the same |
| 08/25/2005 | US20050183794 Sliding surface of floating seal has matrix of perlite, bainite and martensite; fine structure of dendritic cementite and carbides of chrome forced by preferential and higher cooling rate compared with other parts of seal; excellent wear and abrasive resistance |
| 08/24/2005 | CN1659299A Cold work steel and cold work tool |
| 08/24/2005 | CN1659289A Method and device for continuous annealing metallic ribbons with improved process efficiency |
| 08/17/2005 | EP1198605B1 Methods of forming steel |
| 08/17/2005 | CN1654686A Double temperature quenching and strong toughening treatment method for cold forging die |
| 08/10/2005 | EP1562203A1 R-t-b sintered magnet and process for producing the same |
| 08/10/2005 | CN1651589A High strength weldable ageing hardening steel and its production method |
| 08/04/2005 | WO2005071125A1 Austenitic stainless steel sheet excellent in surface color tone and method for production thereof |
| 08/03/2005 | EP1099771B1 Stainless steel plate for shadow mask and method for production thereof and shadow mask |
| 08/03/2005 | CN1213160C Fe-Ni alloy material for shadow mask and its preparing process |
| 07/28/2005 | WO2005068674A1 Austenitic stainless steel, method for producing same and structure using same |
| 07/27/2005 | EP1557477A1 METHOD FOR PRODUCING OXIDATION-RESISTANT HIGH Cr FERRITIC HEAT RESISTANT STEEL |
| 07/27/2005 | EP1436440B1 Ferritic stainless steel and use thereof in the manufacture for high temperature resistant products |
| 07/27/2005 | CN1646719A Fe-based amorphous metal alloy having a linear BH loop |
| 07/27/2005 | CN1646710A Method for producing martensitic stainless steel |
| 07/27/2005 | CN1644748A High-sulphur abrasion-resistant casting steel and production thereof |
| 07/21/2005 | US20050155674 Iron, carbon, manganese, chromium, molbdinum |
| 07/20/2005 | EP1554411A1 Alloy containing rare earth element, production method thereof, magnetostrictive device, and magnetic refrigerant material |
| 07/20/2005 | EP1228253B1 Steel composition, method for making same and parts produced from said compositions, particularly valves |
| 07/14/2005 | WO2005064030A1 FERRITIC Cr-CONTAINING STEEL |
| 07/14/2005 | WO2005064028A1 Material of case for storage cell |
| 07/13/2005 | EP1551591A1 Seam-welded air hardenable steel tubing |
| 07/13/2005 | EP1051530B1 Case carburized steel |
| 07/13/2005 | CN1639370A Method for producing dispersed oxide reinforced ferritic steel having coarse grain structure and being excellent in high temperature creep strength |
| 07/07/2005 | US20050145308 Transition metals alloy of steel, substantially free of ferrite, sulfur, carbides, nitrides; subected to mechanical, thermal and corrosive stresses for application in oilfield technology |
| 06/30/2005 | US20050139298 Cold-formed spring elements with improved spring properties and a high dimensional accuracy; leaf springs, spring rails for windscreen wipers and reed lamellae for textile machines, oil stripper rings for internal combustion engines and sealing lamellae for hydraulic installations |
| 06/30/2005 | DE102004014827B3 Heat treatment process for diesel engine aluminium cylinder heads quenches the casting in concentrated liquid nitrate or chromate salts |
| 06/29/2005 | EP1546416A1 Graphite and nitrogen-free cast alloys |
| 06/29/2005 | CN1632154A Fe-Cr-Mo base alloy steel strip, its production method and use |
| 06/29/2005 | CN1631565A Composite roller for high vanadium high speed steel and its production process |
| 06/28/2005 | CA2313975C Paramagnetic, corrosion-resistant austenitic steel and process for producing it |
| 06/22/2005 | EP1544312A1 Method of producing heat-resistant high chromium ferritic/martensitic steel |
| 06/22/2005 | CN1630732A Maraging steel and process for manufacturing a strip or a part cut out of a strip of cold-rolled maraging steel |
| 06/15/2005 | EP1541702A1 Corrosion-resistive martensitic stainless steel having no pin hole defect and manufacturing method thereof |
| 06/15/2005 | CN1628184A Martensitic stainless steel and method for manufacturing the same |
| 06/14/2005 | US6905204 Spectacle frame |
| 06/09/2005 | WO2005052206A1 High silicon steel and its manufacture process |
| 06/09/2005 | US20050123434 Steel and mould tool for plastic materials made of the steel |
| 06/08/2005 | EP1538232A1 Corrosion resistant austenitic steel. |
| 06/08/2005 | CN1625447A Method and installation for producing a hot rolled strip from austenitic rust-resistant steels |
| 06/08/2005 | CN1624182A Corrosion-resistive martensitic stainless steel having no pin hole defect and manufacturing method thereof |
| 06/03/2005 | CA2488965A1 Corrosion-resistant austenitic steel alloy |
| 06/02/2005 | US20050118337 Surface pre-treatment method for pre-coated heat-treatable, precipitation-hardenable stainless steel ferrous-alloy components and components coated thereby |
| 06/02/2005 | US20050115648 Utilizing preheating stage to form thin surface oxide film; reducing pickling time; enhancing radiation heat transfer |
| 06/01/2005 | CN1204285C Stainless-steel band, method for inhibiting crack at edge of steel band and method for producing said steel band |
| 05/26/2005 | WO2005016577A3 Processing for cast components |
| 05/25/2005 | EP1533395A1 Method for manufacturing stainless steel product by nitrogen absorption treatment and stainless steel product produced by the method |
| 05/25/2005 | DE19981496B3 Thixo-Giessmaterial aus einer Legierung auf Fe-Basis und Verfahren zum Erwärmen desselben Thereof thixocast casting material made of an alloy Fe-based method of heating and |
| 05/25/2005 | DE10062282B4 Wärmebeständiger Stahlguss und Verfahren zu seiner Herstellung Heat-resistant cast steel and method for its manufacture |
| 05/18/2005 | EP1461467A4 Triple-phase nano-composite steels |
| 05/18/2005 | EP1248862B1 Method for austempering steel parts |
| 05/18/2005 | EP1230411B1 Use of a precipitation hardenable martensitic stainless steel |
| 05/18/2005 | EP1040305A4 Process components, containers, and pipes suitable for containing and transporting cryogenic temperature fluids |
| 05/18/2005 | CN1617941A Triple-phase nano-composite steels |
| 05/18/2005 | CN1616699A Method of manufacturing oxide dispersion strengthened martensitic steel excellent in high-temperature strength |
| 05/18/2005 | CN1202275C Ferritic stainless steel for ferromagnetic parts |
| 05/17/2005 | US6893608 Steel for plastic molds and process for their heat treatment |
| 05/12/2005 | WO2005042793A1 High strength stainless steel pipe for line pipe excellent in corrosion resistance and method for production thereof |
| 05/12/2005 | US20050098244 Metallic bellows, manufacturing method therefor, and accumulator therewith |
| 05/11/2005 | EP1529993A1 Metallic bellows, manufacturing method therefor, and accumulator therewith |
| 05/11/2005 | EP1528995A1 Spring element made from a ferritic chrome steel |
| 05/11/2005 | CN1201028C High manganese deplex stainless steel having superior hot workabilities and method for manufacturing thereof |
| 05/10/2005 | US6890665 .15-.22% carbon, .18-1% silicon, .05-1% manganese, 10.5- 14% chromium, iron as substantial residual, < .2% nickel, < .05% aluminum, < .1% nitrogen, < .015% sulfur and < .02% phos-phorus, a scale layer of iron chromate and an antirust oil |
| 05/10/2005 | CA2262288C Martensitic stainless steel having oxide scale layers and method of manufacturing the same |
| 05/10/2005 | CA2252569C Stainless steel alloy for pulp refiner plate |
| 05/04/2005 | EP1528113A1 Method for producing dispersed oxide reinforced ferritic steel having coarse grain structure and being excellent in high temperature creep strength |
| 05/04/2005 | EP1527205A2 Plasma-nitriding of maraging steel, shaver cap for an electric shaver, cutting device made out of such steel and an electric shaver |
| 04/28/2005 | WO2005038068A1 Steel alloy for injection molds |
| 04/27/2005 | EP1207213B1 High tensile cold-rolled steel sheet excellent in ductility and in strain aging hardening properties, and method for producing the same |
| 04/27/2005 | EP1200637B1 Powder metallurgy manufactured high speed steel |
| 04/26/2005 | US6884306 Heat treating a steel of .6-1.1% carbon, 1.5-2% silicon, 1.8-4% manganese, 1.2-1.4% chromium, 0-3% nickel, .2-.5% molybdenum, .1-.2% vanadium and balance iron, homogenizing, air cooling and isothermally transforming |
| 04/21/2005 | US20050084406 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 |
| 04/21/2005 | US20050083480 Spectacle frame |
| 04/20/2005 | EP1446509A4 Duplex stainless steels |
| 04/14/2005 | US20050079087 Steel alloy for injection molds |