| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 01/05/1982 | US4309489 Fe-Ni-Cu-Cr Layered bimetal |
| 01/05/1982 | US4309228 Electro magnetic steels |
| 01/05/1982 | CA1115562A1 Ferritic fe-mn alloy for cryogenic applications |
| 12/30/1981 | EP0042654A1 Powder metal composition |
| 12/29/1981 | CA1115094A2 Welded ferritic stainless steel articles |
| 12/29/1981 | CA1115093A2 Welded ferritic stainless steel articles |
| 12/29/1981 | CA1115092A1 Low alloy steel |
| 12/23/1981 | EP0042200A1 Process for producing powder metal composition |
| 12/23/1981 | EP0042180A1 A high cavitation erosion resistance stainless steel and hydraulic machines being made of the same |
| 12/22/1981 | US4306922 Electro magnetic steels |
| 12/22/1981 | US4306887 Getter device and process for using such |
| 12/22/1981 | CA1114655A1 Low-cost weldable, high temperature oxidation-resistant steel |
| 12/16/1981 | EP0041601A1 Use of an iron-chromium-nickel alloy in articles presenting a high creep rupture strength, a good corrosion resistance and having a high texture stability |
| 12/15/1981 | US4306172 Shadow mask of braun tube for color TV and process for manufacturing the same |
| 12/15/1981 | US4305764 Iron, chromium, cobalt |
| 12/15/1981 | US4305755 Platinum or palladium components provide corrosion resistance |
| 12/15/1981 | CA1114207A1 Non-magnetic stainless steel |
| 12/02/1981 | EP0040901A1 Alloys |
| 12/01/1981 | CA1113354A1 Sintered metal articles |
| 12/01/1981 | CA1113353A1 Method of manufacturing high strength low alloys steel plates with superior low temperature toughness |
| 12/01/1981 | CA1113286A1 Method of producing high density iron-base material |
| 12/01/1981 | CA1113284A1 Powder-metallurgy steel article with high vanadium-carbide content |
| 12/01/1981 | CA1113283A1 Heat resistant low expansion alloy |
| 11/26/1981 | WO1981003295A1 Infiltrated powdered metal composite article |
| 11/25/1981 | EP0040553A1 Process for producing a dual-phase steel |
| 11/24/1981 | US4302248 High manganese non-magnetic steel with excellent weldability and machinability |
| 11/24/1981 | US4302247 High strength austenitic stainless steel having good corrosion resistance |
| 11/17/1981 | US4300598 Said steel being low carbon steel with a ferritic structure containing carbides |
| 11/10/1981 | US4299628 Internal combustion engine components |
| 11/10/1981 | US4299623 Corrosion-resistant weldable martensitic stainless steel, process for the manufacture thereof and articles |
| 11/10/1981 | US4299622 Phosphorus, aluminum, silicon, iron alloy |
| 11/10/1981 | US4299621 High mechanical strength reinforcement steel |
| 11/04/1981 | EP0039052A1 Martensitic stainless cast steel having high cavitation erosion resistance |
| 11/03/1981 | US4298381 For magnetic tape head |
| 10/27/1981 | CA1111293A1 Stainless steel drill screw and method of making |
| 10/21/1981 | EP0037959A1 Method of reducing or avoiding surface defects in a specific steel resistant to concentrated nitric acid |
| 10/20/1981 | US4295900 Rolled wire having a fine-grain structure |
| 10/20/1981 | US4295769 Copper and nitrogen containing austenitic stainless steel and fastener |
| 10/15/1981 | WO1981002900A1 High-tensile,cold-rolled steel plate with excellent formability and process for its production,as well as high-tensile,galvanized steel plate with excellent formability,and process for its produciton |
| 10/14/1981 | EP0037446A1 Austenitic iron base alloy |
| 10/13/1981 | US4294614 Austenitic iron-base cryogenic alloy and arc welding electrode for depositing the same |
| 10/13/1981 | US4294613 Acid resistant, high-strength steel suitable for polishing |
| 10/06/1981 | US4293336 Cold rolled non-oriented electrical steel sheet |
| 10/06/1981 | US4293335 Roll for manufacturing float glass |
| 10/06/1981 | US4292936 Nickel, copper, iron, rings |
| 10/06/1981 | CA1110142A1 Method of producing silicon-iron sheet material with copper as a partial substitute for sulfur, and product |
| 09/29/1981 | US4292097 High tensile strength steel sheets having high press-formability and a process for producing the same |
| 09/29/1981 | US4292074 Nickel-silicon-iron |
| 09/29/1981 | CA1109772A1 Process of producing an electrically insulative glass film on silicon steel |
| 09/22/1981 | US4290805 Method for obtaining iron-based alloys allowing in particular their mechanical properties to be improved by the use of lanthanum, and iron-based alloys obtained by the said method |
| 09/16/1981 | EP0035681A1 Use of a steel having high strength and toughness |
| 09/16/1981 | EP0035644A1 Magnetic amorphous metal alloys |
| 09/09/1981 | EP0035369A1 Ferritic iron-aluminium-chromium alloys |
| 09/09/1981 | EP0035037A1 Microcrystalline thin strip for magnetic material having high magnetic permeability |
| 09/08/1981 | CA1108440A1 Welded ferritic stainless steel articles |
| 09/01/1981 | US4287068 Powdered metal filter composition and processes for producing the same |
| 09/01/1981 | US4287007 For use in a rotary wood chipper |
| 09/01/1981 | US4286986 With controlled amounts of niobium |
| 09/01/1981 | CA1107988A1 Nonmagnetic alloy steel having improved machinability |
| 08/25/1981 | US4285741 Process for producing high-strength, low yield ratio and high ductility dual-phase structure steel sheets |
| 08/25/1981 | US4285725 Non-magnetizable steel casting alloy, its use and process of manufacture |
| 08/19/1981 | EP0034133A1 Electrical heating element |
| 08/18/1981 | US4284439 Process for the production of sheet and strip from ferritic, stabilized, stainless chromium-molybdenum-nickel steels |
| 08/11/1981 | US4283226 Method of preparing titanium iron-containing material for hydrogen storage |
| 08/11/1981 | CA1106652A1 Low thermal expansion nickel-iron base alloy |
| 08/05/1981 | EP0033203A2 Substrate for catalytic system and ferritic stainless steel from which it is formed |
| 08/05/1981 | EP0033202A1 Ferritic stainless steel substrate for catalytic system |
| 08/04/1981 | US4282291 Corrosion resistance, weldability |
| 08/04/1981 | US4281706 Method of making helical metallic ribbon for continuous edge winding applications |
| 07/28/1981 | US4280856 Antimony and selenium or sulfur added as crystal growth inhibitors |
| 07/28/1981 | CA1105813A1 Method for producing a steel sheet having remarkably excellent toughness at low temperatures |
| 07/21/1981 | US4279648 High silicon chromium nickel steel for strong nitric acid |
| 07/21/1981 | US4279647 Construction steel exhibiting high fatigue strength |
| 07/21/1981 | US4279646 Free cutting steel containing sulfide inclusion particles with controlled aspect, size and distribution |
| 07/14/1981 | US4278466 Titanium alloy composition and method for the storage of hydrogen |
| 07/14/1981 | US4278465 Corrosion-resistant alloys |
| 07/08/1981 | EP0031800A1 Austenitic, precipitation hardenable stainless steel |
| 07/07/1981 | US4277374 For automobile catalytic exhaust systems |
| 06/30/1981 | US4276087 Powder-metallurgy vanadium-containing tungsten-type high-speed steel |
| 06/30/1981 | US4276085 High speed steel |
| 06/23/1981 | US4274876 Nickel, molybdenum, chromium, carbon, and iron |
| 06/23/1981 | US4274875 Powder metallurgy process and product |
| 06/23/1981 | CA1103593A1 Method and apparatus for removing gases from particles |
| 06/23/1981 | CA1103567A1 Method of producing non-oriented silicon steel sheets having an excellent electromagnetic property |
| 06/23/1981 | CA1103482A1 Niobium stabilised sintered products |
| 06/17/1981 | EP0030309A2 Hot rolled strip or plate of denitrided steel and process for its production |
| 06/16/1981 | US4273595 Method of preparing thermomagnetically treated magnetically anisotropic objects |
| 06/16/1981 | CA1103068A1 Iron based alloys for machine components subject to mechanical vibration |
| 06/16/1981 | CA1103067A1 Composition, processing and devices including magnetic alloy |
| 06/16/1981 | CA1103066A2 High corrosion resistant and high strength medium cr and low ni stainless cast steel |
| 06/16/1981 | CA1103065A1 Well casing steel |
| 06/09/1981 | US4272305 Ferritic-austentitic chromium-nickel steel and method of making a steel body |
| 06/09/1981 | US4272289 Cobalt-chromium-nickel-tungsten-molybdenum |
| 06/09/1981 | CA1102588A1 Steel wire manufacture |
| 06/09/1981 | CA1102587A1 Weldable structural steel |
| 06/02/1981 | US4271441 Integral shield and bias element for magnetic tape cassettes |
| 06/02/1981 | US4271239 Sintered metal articles and process for their manufacture |
| 06/02/1981 | US4270950 Corrosion resistant and containing chromium and molybdenum |
| 06/02/1981 | CA1102144A1 Grinding members |
| 05/26/1981 | CA1101697A1 Bimetal strip having a stable fe-mn-ni alloy with high thermal expansion and electrical resistivity |