| Patents for C21D 6 - Heat treatment of ferrous alloys (4,815) |
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| 10/08/1985 | US4545826 Nitrogen additions; annealing at low temperature |
| 10/02/1985 | EP0156484A2 Metal ceramics composite article and a method of producing the same |
| 09/18/1985 | EP0155011A2 High-strength alloy for industrial vessels |
| 09/11/1985 | EP0154601A2 Use of an austenitic stainless alloy in weldable high-performance structural elements |
| 09/11/1985 | EP0154600A2 Use of an austenitic stainless chromium-nickel-nitrogen steel for high-performance structural elements |
| 09/10/1985 | US4540453 Magnetically soft ferritic Fe-Cr-Ni alloys |
| 09/10/1985 | US4540447 Method of making a multigrip fastener and fastener made thereby |
| 08/27/1985 | US4537644 High-tension high-toughness steel having excellent resistance to delayed fracture and method for producing the same |
| 08/27/1985 | CA1192476A1 As-pierced tubular products |
| 08/15/1985 | WO1985003528A1 Highly corrosion-resistant, high-strength austenitic stainless steel and process for its production |
| 08/13/1985 | US4534805 Heat treatment to produce ferrite crystal microstructure |
| 08/06/1985 | US4533389 Boron containing rapid solidification alloy and method of making the same |
| 07/23/1985 | CA1190837A1 Heat treatments of low expansion alloys |
| 07/10/1985 | EP0147616A1 Heat treatment of nickel-iron and nickel-cobalt-iron alloys |
| 07/09/1985 | US4528481 Treatment of amorphous magnetic alloys to produce a wide range of magnetic properties |
| 07/02/1985 | CA1189772A1 Process for increasing the lifetime of a refractory material piece made of metallic carbide parallel fibers embedded into a metallic matrix |
| 06/18/1985 | CA1188963A1 Method for producing steels having improved resistance to sulfide stress corrosion cracking |
| 06/12/1985 | EP0143873A1 Austenitic manganese steel and process for its manufacture |
| 05/22/1985 | EP0142042A1 Armour plate and process for its manufacture |
| 04/10/1985 | EP0136433A1 Austenitic manganese steel of the Hadfield type, and process for the manufacture thereof |
| 02/19/1985 | CA1182722A1 Castings |
| 01/22/1985 | US4495002 Conversion to tempered martensite |
| 01/09/1985 | EP0130221A1 Process for producing corrosion-resistant alloy steel |
| 01/02/1985 | EP0129943A1 Cathode ray tube having an Fe-Co-Cr shadow mask and method of manufacturing such a shadow mask |
| 11/20/1984 | CA1178182A1 Process for preparing aluminum-plated steel sheets having low yield strength and high oxidation resistance |
| 11/13/1984 | US4482005 Process for treating materials to improve their structural characteristics |
| 11/13/1984 | CA1177680A1 Manganese steels |
| 11/06/1984 | US4481045 Alloy of palladium and iron |
| 10/31/1984 | EP0123406A2 Low alloy steel plate and process for production thereof |
| 10/31/1984 | EP0123054A1 Stainless chromium steel and process for the manufacture thereof |
| 10/23/1984 | CA1176546A1 Inhibited annealing of ferrous metals containing chromium |
| 10/16/1984 | CA1176009A1 High strength, low alloy steel with improved surface and mechanical properties |
| 10/09/1984 | US4475962 Annealing method for amorphous magnetic alloy |
| 09/26/1984 | EP0119432A2 Amorphous alloys for electromagnetic devices |
| 09/25/1984 | US4473413 Iron-boron-silicon-carbon-chromium; for high frequency applications |
| 09/25/1984 | CA1174947A1 Stabilization of carbon in austenitic alloy tubing |
| 08/14/1984 | US4465526 Homogenizing solid solution of fe pd (ag) alloy |
| 08/02/1984 | WO1984002929A1 Corrosion-resistant stainless steel material |
| 07/10/1984 | CA1170480A1 Ferritic stainless steel and processing therefor |
| 07/05/1984 | WO1984002535A1 Process for producing corrosion-resistant alloy steel |
| 06/19/1984 | US4455352 Materials system for high strength corrosion resistant bimetallic products |
| 05/22/1984 | CA1167614A1 Homogeneous, ductile cobalt based hardfacing foils |
| 05/22/1984 | CA1167613A1 Homogeneous, ductile nickel based hardfacing foils |
| 05/15/1984 | CA1167209A1 Homogeneous, ductile iron based hardfacing foils |
| 05/01/1984 | US4445944 Nickel-cobalt-iron alloy |
| 05/01/1984 | US4445943 Nickel-iron alloy |
| 04/24/1984 | US4444602 Method of manufacturing amorphous magnetic alloy ribbon and use for magnetostriction delay lines |
| 01/24/1984 | US4427462 Having axes of magnetization that coincide with lines of magnetic flux |
| 01/24/1984 | CA1160868A1 Magnetic amorphous metal alloys |
| 01/17/1984 | US4426236 Method for manufacturing high strength rail of excellent weldability |
| 01/17/1984 | CA1160480A1 Amorphous metal alloys having enhanced magnetic properties and method of making and using |
| 01/10/1984 | US4425169 Fines schieved without annealing |
| 11/08/1983 | US4414042 Method of making high strength steel tube |
| 11/01/1983 | CA1156067A1 Metal alloys and metallurgical process for making alloys with ultra-fine uniformly dispersed crystalline phase |
| 10/18/1983 | US4410374 Steel having excellent vibration attenuation performance and method of manufacturing the same |
| 10/18/1983 | CA1155319A1 Metallic glass powders from glassy alloys |
| 10/04/1983 | US4407680 Dual-phase steels |
| 09/27/1983 | US4406716 Process for increasing the lifetime of a refractory material piece made of metallic carbide parallel fibers embedded into a metallic matrix |
| 09/20/1983 | US4405389 Containing manganese, silicon, nickel, chromium, molybdenum, nitrogen, and vanadium |
| 08/16/1983 | US4398966 Corrosion of type 304 stainless steel by laser surface treatment |
| 08/09/1983 | CA1151513A1 Process for annealing steels |
| 08/02/1983 | CA1151058A1 Laser hardening of steel work pieces |
| 05/24/1983 | USRE31251 Process for producing a high tension steel sheet product having an excellent low-temperature toughness with a yield point of 40 kg/mm2 or higher |
| 04/13/1983 | EP0076574A1 Heat treatment of controlled expansion alloys |
| 04/12/1983 | US4379482 Prevention of cracking of continuously cast steel slabs containing boron |
| 04/06/1983 | EP0076110A1 Maraging superalloys and heat treatment processes |
| 03/30/1983 | EP0075416A1 Heat treatment of controlled expansion alloys |
| 03/15/1983 | US4376662 Methods for fabricating metallic workpieces |
| 03/08/1983 | US4375995 Method for manufacturing high strength rail of excellent weldability |
| 02/22/1983 | US4374680 Corrosion-resistant weldable martensitic stainless steel, process for the manufacture thereof and articles |
| 02/15/1983 | US4373971 Process for the production of ferritic stainless steel sheets or strips and products produced by said process |
| 02/15/1983 | CA1141243A1 Method of cryogenically hardening an insert in an article, and article made thereby |
| 01/25/1983 | US4370178 Casings, carbon, manganese, vanadium, nitrogen and/or niobium, heating, cooling |
| 01/12/1983 | EP0069406A2 Method of making shaped articles from metallic glass bodies |
| 01/05/1983 | EP0068545A2 Metal alloys for making alloys with ultra-fine uniformly dispersed crystalline phase |
| 12/28/1982 | US4365994 Complex boride particle containing alloys |
| 11/23/1982 | US4360390 Method for direct heat treating austenitic stainless steel wire rod |
| 11/09/1982 | US4358315 Manganese steels |
| 10/12/1982 | US4353755 Method of making high strength duplex stainless steels |
| 10/12/1982 | CA1133286A1 Steel having excellent vibration attenuation performance and method of manufacturing the same |
| 10/05/1982 | CA1132886A1 Heat treatment of fe-co-cr alloys for permanent magnets, and products derived from said treatment |
| 09/14/1982 | CA1131437A1 Process for producing ni-fe magnetic tape cores |
| 09/07/1982 | CA1131105A1 Method of producing high-strength steel pipes having a good weldability and adapted to be used in a steam distribution pipeline in the oil sands development |
| 08/31/1982 | CA1130704A1 Thermal homogenization of steam generating tubing |
| 08/03/1982 | US4342593 Castings |
| 07/07/1982 | EP0055327A1 Amorphous metal alloys having enhanced AC magnetic properties |
| 06/22/1982 | US4336079 Chromium carbide |
| 06/22/1982 | US4336077 Method of cryogenically hardening an insert in an article |
| 06/15/1982 | US4334938 Inhibited annealing of ferrous metals containing chromium |
| 06/08/1982 | CA1125150A1 High strength steel profile and method of making the same |
| 05/11/1982 | CA1123322A1 Fe-cr-co magnetic alloy processing |
| 04/20/1982 | US4325758 Homogenizing, isothermal annealing, machining |
| 03/23/1982 | US4321090 Magnetic amorphous metal alloys |
| 03/16/1982 | CA1119846A1 Powder-metallurgy vanadium-containing tungsten-type high-speed steel |
| 03/03/1982 | EP0046567A2 Inhibited annealing of ferrous metals containing chromium |
| 02/16/1982 | CA1118326A1 Magnetic core comprised of low-retentivity amorphous alloy |
| 02/09/1982 | US4314594 Reducing magnetic hysteresis losses in cores of thin tapes of soft magnetic amorphous metal alloys |
| 02/02/1982 | US4313771 Laser hardening of steel work pieces |
| 01/26/1982 | US4312683 Suppression of induced magnetic anisotropy |
| 01/19/1982 | US4311539 Method of manufacturing a high permeability amorphous magnetic alloy |