| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 09/21/1999 | US5955201 Steel sheets with coatings |
| 09/21/1999 | US5954896 Precipitation of metal carbosulfide in a gamma temperature region during hot rolling to reduce the amount of carbon in solid solution prior to coiling, cold rolling, annealing |
| 09/21/1999 | US5954894 Having improved rolling contact fatigue resistance and fracture toughness realized by carburization of outer region of a steel core to form a hardened covering |
| 09/18/1999 | CA2266597A1 Austenitic stainless steel for producing, among others, wire |
| 09/16/1999 | WO1999046420A1 Steel composition |
| 09/16/1999 | WO1999046419A1 Bn precipitation reinforced type low carbon ferritic heat resisting steel of high weldability |
| 09/16/1999 | WO1999046418A1 High strength hot rolled steel sheet excellent in formability |
| 09/16/1999 | WO1999046417A1 Silicon steel sheet and method for producing the same |
| 09/16/1999 | WO1999046416A1 Unidirectional magnetic steel sheet and method of its manufacture |
| 09/16/1999 | WO1999046413A1 Process for the production of grain oriented electrical steel strips |
| 09/16/1999 | DE19909709A1 Rolling, grease lubricated bearing for engine auxiliary machinery, e.g. an alternator |
| 09/16/1999 | DE19908407A1 High strength valve spring, especially for an automobile engine |
| 09/16/1999 | CA2323216A1 Steel composition |
| 09/16/1999 | CA2287502A1 Hot rolled high strength steel sheet with excellent formability |
| 09/15/1999 | EP0941372A1 Oxidation-resistant metal foil, its use and method for its production |
| 09/15/1999 | EP0813613B1 Method for making steel wires and shaped wires, and use thereof in flexible ducts |
| 09/15/1999 | EP0752015B1 A method of making a sintered article |
| 09/15/1999 | EP0745007B1 Method for manufacturing a cold rolled steel sheet with excellent enamel adherence |
| 09/15/1999 | CN1228817A Process for production of grain oriented electrical steel strip having high magnetic characteristics, starting from thin slab |
| 09/15/1999 | CN1228383A Integral steel-casting middle groove with loading-unloading connecting pin |
| 09/15/1999 | CN1045112C Heat-resistant steel wire for logging |
| 09/14/1999 | US5952590 Steel containing nickel, chromium, cobalt, molybdenum, vanadium and silicon |
| 09/14/1999 | US5952112 Multilayer, cold deformable composite metal article capable of being deep drawn |
| 09/14/1999 | US5951944 Coil springs, flat springs and torsion bars |
| 09/14/1999 | US5951789 Excellent in cold workability, inexpensive on account of relatively low nickel content, and suitable for use as exhaust valves of automotive engines |
| 09/14/1999 | US5951788 Annealing or cold rolling and shaping alloy containing carbon, silicon, manganese, chromium, nickel, nitrogen and iron; magnet collars |
| 09/14/1999 | US5951787 Polishing surface of ferrite-based stainless steel; baking in inert gas to remove moisture; heat treating to form chromium oxide that is free from iron oxide on the outermost surface |
| 09/14/1999 | US5950453 Multi-component refrigeration process for liquefaction of natural gas |
| 09/14/1999 | CA2159358C Wear-resisting high-manganese cast steel |
| 09/11/1999 | CA2231760A1 Cold-rolled steel strip and hot-dip coated cold-rolled steel strip for use as building material and manufacturing method thereof |
| 09/10/1999 | WO1999045162A1 Steels for cold forging and process for producing the same |
| 09/10/1999 | CA2262144A1 Process of making electrical steels having good cleanliness and magnetic properties |
| 09/09/1999 | DE19909324A1 Steel with high toughness used as a constructional steel e.g. for rods, profiles and thin and thick plates |
| 09/09/1999 | DE19904792A1 Stretched mask for a color picture tube, e.g. a shadow mask tube or an aperture grille tube, in color television and computer color displays |
| 09/09/1999 | DE19808276A1 New chromium-molybdenum-nitrogen alloy steel for sliding elements of sports equipment especially skis and ski-boards |
| 09/09/1999 | DE19807122A1 Verfahren zur Herstellung von nichtkornorientiertem Elektroblech Process for the production of non-oriented electrical steel |
| 09/08/1999 | EP0940477A1 Wide-flange beams made from a steel with high toughness and yield strength, and process for manufacturing these products |
| 09/08/1999 | EP0940476A1 Steel material having high ductility and high strength and process for production thereof |
| 09/08/1999 | EP0752016B1 Deep hardening boron steel article having improved fracture toughness and wear characteristics |
| 09/08/1999 | CN1228128A Coated seizure-hardening type cold-rolled steel sheet having excellent aging resistance and method of production thereof |
| 09/08/1999 | CN1227879A Low-alloy high-speed steel containing aluminium |
| 09/08/1999 | CN1227860A Inorganic/organic insulating coating for nonoriented electrical steel |
| 09/07/1999 | US5949838 Manufacture of materials and workpieces for components in nuclear plant applications |
| 09/07/1999 | US5948183 Hot-rolled steel sheet and method for forming hot-rolled steel sheet having low yield ratio, high strength and excellent toughness |
| 09/07/1999 | US5948182 Low cost, high temperature resistant steel comprising iron, carbon, silicon, manganese, nickel, chromium, titanium, aluminum; bolts, turbines, engines, heaters, nuclear reactors |
| 09/07/1999 | US5948179 Cast alloy for production of rare earth magnet |
| 09/07/1999 | CA2151951C Cold rolled steel sheet having excellent machinability and production method therof |
| 09/07/1999 | CA2138801C Thin steel sheet having excellent stretch-flange ability and process for producing the same |
| 09/07/1999 | CA2038242C Soft-magnetic nickel-iron-chromium alloy for magnetic cores |
| 09/03/1999 | WO1999049094A1 Stainless steel |
| 09/01/1999 | EP0939140A1 Steel for use at high temperatures |
| 09/01/1999 | EP0883696B1 Bake hardenable vanadium containing steel |
| 09/01/1999 | CN1227613A High duty soft magnetic steel suitable for welding and its use in parts of magnetic levitational railways |
| 09/01/1999 | CN1227271A Iron-cobalt alloy |
| 08/31/1999 | US5945067 Containing nickel, chromium and molybdenum; age hardening, chemical resistance, oil repellent |
| 08/31/1999 | US5945064 Welding material for low chromium (Cr) ferritic steel having high toughness |
| 08/31/1999 | US5944922 Highly tenacious ferritic heat resisting steel |
| 08/31/1999 | US5944921 Martensitic stainless steel having high mechanical strength and corrosion resistance and relative manufactured articles |
| 08/31/1999 | US5944920 Iron alloy |
| 08/31/1999 | US5944917 Stainless steel for ozone added water and manufacturing method thereof |
| 08/31/1999 | US5944914 Fine particles |
| 08/31/1999 | CA2137744C Steel for carburized gear |
| 08/26/1999 | WO1999042669A1 Sheet piling |
| 08/26/1999 | WO1999042626A1 Method for producing non-grain oriented electro sheet steel |
| 08/26/1999 | CA2320124A1 Method for producing non-grain oriented electro sheet steel |
| 08/25/1999 | EP0938105A1 Powder for permanent magnet, method for its production and anisotropic permanent magnet made using said powder |
| 08/25/1999 | EP0937934A1 Gasket and pipe joint |
| 08/25/1999 | EP0937867A2 Light weight hollow valve assembly |
| 08/25/1999 | EP0937783A1 New use of a high strength stainless steel |
| 08/25/1999 | EP0937782A2 Martensitic stainless steel having oxide scale layers and method of manufacturing the same |
| 08/25/1999 | EP0937680A1 Apparatus for the concentration and the purification of sulfuric acid |
| 08/25/1999 | EP0937218A1 Method applicable to a continuous steam generator, and the steam generator needed for applying same |
| 08/25/1999 | CN1226648A Shaping clasp and manufacture thereof |
| 08/25/1999 | CN1226609A Economic high speed steel |
| 08/25/1999 | CN1044825C Iron-nickel alloy having low coefficient of expansion and strips made therefrom |
| 08/24/1999 | US5942184 Stainless steel for high-purity gases |
| 08/24/1999 | US5942053 Composition for permanent magnet |
| 08/24/1999 | US5942051 Improved magnetic properties; steel comprising carbon, silicon, manganese, aluminum, rare earth metal, titanium, zirconium, iron |
| 08/24/1999 | CA2149522C Continuously annealed cold-rolled steel sheet excellent in balance between deep drawability and resistance to secondary-work embrittlement and method for manufacturing same |
| 08/24/1999 | CA2033267C Abrasion resistant steel |
| 08/23/1999 | CA2262265A1 Apparatus for concentrating and purifying sulfuric acid |
| 08/19/1999 | WO1999041422A1 Corrosion resisting steel and corrosion resisting oil well pipe having high corrosion resistance to carbon dioxide gas |
| 08/19/1999 | WO1999041421A1 Steel for thin sheet excellent in workability and method for deoxidation thereof |
| 08/19/1999 | DE19852734A1 Spring especially a vehicle or machine spring with high corrosion fatigue resistance |
| 08/18/1999 | EP0936633A1 Thin magnet alloy belt and resin-bonded magnet |
| 08/18/1999 | EP0936280A2 Improved ferritic stainless steel and articles produced therewith |
| 08/18/1999 | EP0936279A1 Thick cold rolled steel sheet excellent in deep drawability and method of manufacturing the same |
| 08/18/1999 | EP0936277A1 Process for producing an iron-aluminium intermetallic alloy and iron-aluminium intermetallic alloy |
| 08/18/1999 | EP0936274A1 Clad sheet with good flatness and improved abrasion resistance |
| 08/17/1999 | US5939204 Alloy surface contains chromium, gallium, and iron, cobalt, and/or nickel; protective coatings; corrosion and oxidation resistance; gas turbines |
| 08/17/1999 | US5939019 Steel for foundry roll shells |
| 08/17/1999 | US5939018 Stainless steel having low ferrite content (40% or less) substantially free of phosphorus and sulfur impurities; plug or mandrel mill workability without defects; noncracking |
| 08/17/1999 | US5938814 Iron based powder mixture for powder metallurgy |
| 08/11/1999 | EP0935008A1 Iron-cobalt alloy |
| 08/11/1999 | EP0935007A1 Cobalt-free and titanium-free maraging steel |
| 08/11/1999 | EP0934134A1 Method for preparing high performance ferrous materials |
| 08/11/1999 | EP0789786A4 Cobalt-free hardfacing alloys with improved welding characteristics |
| 08/11/1999 | CN1225690A Steel material having high ductility and high strength and process for producing same |
| 08/11/1999 | CN1225396A Non-oriented electrical steel sheet having good punchability and process for producing same |
| 08/11/1999 | CN1044648C Co-precipitation reduction diffusion process for preparing neodymium-iron -boron permanent-magnet alloy |