| Patents for C21D 6 - Heat treatment of ferrous alloys (4,815) |
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| 06/25/2003 | CN1112711C Process for heat treatment in magnetic field, of component made of soft magnetic material |
| 06/24/2003 | US6583545 Aperture grill material for color picture tube, production method thereof, aperture grill and picture tube |
| 06/19/2003 | US20030111145 Triple-phase nano-composite steels |
| 06/18/2003 | CN1111614C Antibiotic parts and its producing process |
| 06/12/2003 | WO2003048402A1 Ferritic stainless steel having high temperature creep resistance |
| 06/12/2003 | WO2003048401A1 Ferritic stainless steel sheet excellent in press formability and workability and method for production thereof |
| 06/11/2003 | EP1317758A1 Half-cycle transductor with a magnetic core, use of half-cycle transductors and method for producing magnetic cores for half-cycle transductors |
| 06/10/2003 | US6576186 Enhanced machinability precipitation-hardenable stainless steel for critical applications |
| 06/10/2003 | US6576068 Chromium, nickel, molybdenum and nitrogen with pitting resistance equivalent number of >/= 50, remelting to homogenize |
| 06/05/2003 | WO2001049888A9 Method for austempering steel parts |
| 06/05/2003 | US20030102057 Martensite stainless steels; tensile strength, toughness |
| 06/04/2003 | CN1422194A Method for producing angular, stainless shot-blasting abrasives based on an Fe-Cr-C alloy |
| 06/04/2003 | CN1110642C Process components, containers and pipeline for containing and transporting cryogenic temperature fluids |
| 06/04/2003 | CN1110577C Austenitic stainless steel including columbium |
| 05/29/2003 | US20030098097 .451-.598% carbon, .11-.29% silicon, .11-.39% manganese, 4.21-4.98% chromium, 2.81-3.29% molybdenum, .41-.69% vanadium and a balance of iron |
| 05/27/2003 | US6569267 High bearing pressure-resistant member |
| 05/27/2003 | US6568462 Austenitic stainless steel strips having good weldability as cast |
| 05/22/2003 | US20030094218 Isothermal martensite formation and precipitation hardening in a martensitic structure subsequent to soft annealing and shaping |
| 05/22/2003 | US20030094216 .05-.24% carbon, 15-28% cobalt and 1.5-9.5% in nickel, small percentages of chromium, molybdenum and vanadium with a balance of iron |
| 05/21/2003 | EP1024917B1 A steel and a heat treated tool thereof manufactured by an integrated powder metallurgical process and use of the steel for tools |
| 05/21/2003 | CN1109124C Surface metallurgical teechnology to preciptate hardened stainless steel coating |
| 05/21/2003 | CN1109122C High-toughness thermo-resisting steel, turbine rotor |
| 05/21/2003 | CN1109119C Brake disc with excellent anti-temper softening performance |
| 05/20/2003 | US6565683 Method for processing billets from multiphase alloys and the article |
| 05/20/2003 | CA2177688C Method of treating brake pads |
| 05/15/2003 | US20030091458 Maraging type spring steel |
| 05/14/2003 | EP1222317B1 Machinable high strength stainless steel |
| 05/14/2003 | EP1151146B1 High-hardness powder metallurgy tool steel and article made therefrom |
| 05/14/2003 | EP1068367B1 Cold work steel |
| 05/14/2003 | CN1108393C Stainless steel plate for shadow mask and method for production thereof and shadow mask |
| 05/08/2003 | WO2003038136A1 Duplex stainless steels |
| 05/08/2003 | US20030084971 Economical alternative to known duplex stainless steels, which also has improved corrosion resistance relative to certain austenitic stainless steels; strips, bars, plates, sheets, castings, tubes or pipes |
| 05/08/2003 | DE10147205C1 Verfahren zur Wärmebehandlung von Werkstücken aus temperaturbeständigen Stählen Process for the heat treatment of workpieces made of heat-resistant steels |
| 05/06/2003 | US6558483 Cu precipitation strengthened steel |
| 05/02/2003 | EP1306458A2 12Cr alloy steel for a turbine rotor |
| 05/02/2003 | EP1306457A2 Chromium steel |
| 05/01/2003 | WO2003035921A1 Martensitic stainless steel and method for manufacturing same |
| 04/30/2003 | CN1414129A 12 Cr alloy steel for turbin rotor, its manufacturing method and turbin rotor |
| 04/30/2003 | CN1107121C Antibiotic parts and its producing process |
| 04/24/2003 | US20030077479 Low density and high ductility alloy steel for a golf club head |
| 04/23/2003 | EP1303731A2 Freezer and plant gas system |
| 04/22/2003 | US6550122 Method of manufacturing laminated ring |
| 04/17/2003 | US20030070732 Iron base high temperature alloy |
| 04/16/2003 | CN1105784C Method of soft annealing high carbon steel |
| 04/09/2003 | EP1300482A1 Hot-work tool-steel article |
| 04/09/2003 | EP1299569A1 Ferritic stainless steel for ferromagnetic parts |
| 04/09/2003 | EP1299568A1 Fe-ni or fe-ni-co or fe-ni-co-cu alloy strip with improved cuttability |
| 04/09/2003 | EP0904154A4 Comminuting media comprising martensitic/austenitic steel containing retained work-transformable austenite |
| 04/08/2003 | US6544669 Cryogenic treatment of cookware and bakeware |
| 04/03/2003 | WO2003027349A2 Method for heat-treating work pieces made of temperature-resistant steels |
| 04/03/2003 | WO2003027343A1 Ferritic stainless steel and use thereof in the manufacture for high temperature resistant products |
| 04/03/2003 | US20030062811 Metal frame for electronic hardware and flat panel displays |
| 04/03/2003 | US20030062098 Preparation of bonded rare earth magnet-forming alloy and bonded rare earth magnet composition |
| 04/03/2003 | CA2461869A1 Ferritic stainless steel and use thereof in the manufacture for high temperature resistant products |
| 04/02/2003 | EP1298226A1 Iron-base alloy and method for production thereof |
| 04/02/2003 | EP1297192A1 Steel compositions, method for obtaining same and parts made from same |
| 04/02/2003 | CN1408028A Method of heating metal strip and apparatus thereof |
| 03/27/2003 | WO2003025240A1 Method for making rolled and welded tubes comprising a final drawing or hydroforming step and resulting rolled tube |
| 03/27/2003 | US20030057263 Method of brazing and article made therefrom |
| 03/27/2003 | US20030056862 Welding method, filler metal composition and article made therefrom |
| 03/26/2003 | EP1294528A1 Method of brazing and article made therefrom |
| 03/25/2003 | US6537396 Cryogenic processing of springs and high cycle rate items |
| 03/19/2003 | EP0909437B1 Semi-hard magnetic elements formed by annealing and controlled oxidation of soft magnetic material |
| 03/13/2003 | WO2003020456A1 A method for manufacturing an ultra-high-tensile, expanded metal of steel |
| 03/13/2003 | US20030049153 Strength, toughness, and ductility; useful in articles such as an aircraft structural component or a golf club head |
| 03/13/2003 | US20030047258 High tensile cold-rolled steel sheet excellent in ductility and in strain aging hardening properties, and method for producing the same |
| 03/12/2003 | EP1291445A1 Steel material production method |
| 03/12/2003 | EP1290236A1 Welding method, filler metal composition and article made therefrom |
| 03/12/2003 | CN1402798A Martensitic stainless steel and steelmaking process |
| 03/11/2003 | US6531007 Method for the manufacture of steel products of a precipitation hardened martensitic steel, steel products obtained with such method and use of said steel products |
| 03/06/2003 | US20030044304 High strength, oxidation resistance steel; valves for internal combustion engines |
| 03/05/2003 | EP1287171A1 Hardened fe-ni alloy for making integrated circuit grids and method for making same |
| 03/04/2003 | US6527877 A crystal structure in a solid iron-based solution comprising carbon in a dissolved and bonded state |
| 02/27/2003 | WO2003016582A2 Method for increasing the dynamic stability under load of a toothed structural component |
| 02/27/2003 | WO2002086176A8 Ferritic heat-resistant steel and method for production thereof |
| 02/27/2003 | US20030039574 For metallurgy; corrosion resistance; wear resistance; for use in medical engineering (prostheses, implants, medical tools) |
| 02/25/2003 | US6524406 Comprising iron, manganese, silicon, and niobium carbide; clamping members, pipes |
| 02/25/2003 | US6524405 Solid solution of iron-aluminum-chromium-carbon; oxidation resistance, ductility; turbochargers |
| 02/20/2003 | US20030034101 Low-alloy heat-resistant steel, heat treatment method therefor, and turbine rotor comprising the same |
| 02/18/2003 | US6520868 Steel alloy which contains maximum amounts of 0.03% of C by weight, 0.20.6% of Si by weight, maximum amounts of 0.15% of Mn by weight, maximum amounts of 0.03% of P by weight, maximum amounts of 0.03% of S weight, maximum amounts of 0.15% of Mn, |
| 02/12/2003 | EP1283277A1 Steel having excellent properties of workability by machine tools and, after a hardening thermal treatment, excellent mechanical properties and process for the production thereof |
| 02/12/2003 | EP1283275A1 Fe-Ni based permalloy and method of producing the same and cast slab |
| 02/11/2003 | US6517644 Rolling bearing and method manufacturing the same |
| 02/05/2003 | EP1281783A1 Stainless steel for ozone added water and manufacturing method thereof |
| 01/30/2003 | WO2003009088A2 Improved metal frame for electronic hardware and flat panel displays |
| 01/28/2003 | US6511559 Process for producing wear-resistant edge layers in precipitation-hardenable materials |
| 01/22/2003 | EP1191116A4 Austenic steel |
| 01/15/2003 | EP1275744A1 Heat-resistant martensite alloy excellent in high-temperature creep rapture strength and ductility and process for producing the same |
| 01/15/2003 | EP1274872A1 Nitrogen alloyed steel, spray compacted steel, method for the production thereof and composite material produced from said steel |
| 01/15/2003 | CN1391617A Method for fabricating vehicle components and new use of precipitation hardenable martensitic stainless steel |
| 01/14/2003 | US6506270 Quenching the steel, cooling the steel at a cooling rate of 1 to 10 degrees C./min., holding the steel article at the cooling temperature for a predetermined period of time and recovering an austenitic-free product |
| 01/08/2003 | CN1389878A Method of raising magnetic performance of nanometer magnetic metal material |
| 01/08/2003 | CN1098369C Cold work steel |
| 01/08/2003 | CN1098367C Aperture grill material for color picture tube, production method thereof, aperture grill and picture tube |
| 01/08/2003 | CN1098358C Ultra-high strength ausaged steels with excellent cryogenic temp. toughness |
| 01/03/2003 | WO2003000944A1 Cold work steel |
| 01/03/2003 | WO2003000938A1 Method of producing high cr-based seamless steel tube |
| 01/03/2003 | CA2448799A1 Cold work steel |
| 01/02/2003 | EP1270756A1 Supermagnetostrictive alloy and method for preparation thereof |
| 01/01/2003 | CN1388536A Method for producing alloy for formation of bonded rare-earth magnet and bonded rare-earth magnet composition |