Patents for C22C 33 - Making ferrous alloys (11,268) |
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06/30/1981 | US4276087 Powder-metallurgy vanadium-containing tungsten-type high-speed steel |
06/30/1981 | CA1103932A1 Manufacture of steel products from solid materials |
06/23/1981 | US4274940 Process for making ferro-nickel shot for electroplating and shot made thereby |
06/23/1981 | US4274876 Nickel, molybdenum, chromium, carbon, and iron |
06/23/1981 | US4274875 Powder metallurgy process and product |
06/23/1981 | CA1103482A1 Niobium stabilised sintered products |
06/16/1981 | US4273576 Continuous shielded arc melting, controlling and adjusting slag le |
06/02/1981 | US4271239 Sintered metal articles and process for their manufacture |
06/02/1981 | CA1102144A1 Grinding members |
05/19/1981 | US4268309 Chromium, copper, phosphorus, carbon and iron; high density |
05/12/1981 | US4266974 Alloy steel powder having excellent compressibility, moldability and heat-treatment property |
05/12/1981 | CA1100788A1 Iron-phosphorus powder for manufacture of soft magnetic components |
05/12/1981 | CA1100725A1 Process for making ferro-nickel granules for electroplating |
05/06/1981 | EP0028208A1 A process for the preparation of silicon or ferrosilicon |
04/29/1981 | EP0027509A1 Method and alloy for introducing machinability increasing ingredients to steel |
04/28/1981 | CA1099884A1 Process for producing soft magnetic material |
04/21/1981 | US4263046 Iron, metal carbides |
04/21/1981 | CA1099521A1 Method of producing vanadium |
04/14/1981 | CA1099133A1 Production of metal compacts |
03/31/1981 | US4259413 Composite stainless steel boron-containing article |
03/25/1981 | EP0025777A1 Wear-resistant aluminium alloy and method of making same |
03/24/1981 | CA1097950A1 Vacuum smelting process for producing ferrotungsten |
03/10/1981 | US4255193 Method of manufacture of sintered pressed pieces of iron reinforced by iron oxides |
03/03/1981 | US4253874 Atomizing; sintering; carbon, chromium |
02/25/1981 | EP0024217A1 Process for producing a compacted powder metal part |
02/24/1981 | CA1096203A1 Preparation of rare earth and other metal alloys containing aluminum and silicon |
02/17/1981 | US4251599 Ferrous metal body coated with an alloy formed by an iron/silicon extended molybdenum plasma spray powder |
02/17/1981 | US4251274 Containing basalt |
02/17/1981 | US4251273 From iron, manganese, molybdenum, and nickel having good hardness |
02/17/1981 | US4251268 For continuous casting of small shapes |
02/17/1981 | CA1095678A1 Method of producing a forged article from prealloyed- premixed water atomized ferrous alloy powder |
02/11/1981 | EP0023640A1 A preformed charge stock for making a piece of dispersion strengthened metal by internal oxidation and a process for preparing said piece of dispersion strengthened metal |
02/10/1981 | US4249945 Powder-metallurgy steel article with high vanadium-carbide content |
01/27/1981 | CA1094362A1 Method of manufacturing sintered steel for components |
01/20/1981 | US4246028 Powder mixture of iron alloy silicon-carbon |
01/14/1981 | EP0022433A1 A method of producing objects with a thickness of more than 100 micrometer from rapidly quenched non-equilibrium powders |
01/13/1981 | US4244737 Method and alloy for introducing machinability increasing ingredients to steel |
01/06/1981 | US4243414 Slidable members for prime movers |
12/30/1980 | CA1092362A1 Process in the manufacture of steels containing nickel |
12/23/1980 | US4240831 Corrosion-resistant powder-metallurgy stainless steel powders and compacts therefrom |
12/23/1980 | CA1091956A1 Composite body consisting of cemented carbide and cast alloy |
12/16/1980 | CA1091592A1 High surface area permeable membrane |
12/16/1980 | CA1091442A1 Method for producing ferro-alloys |
12/09/1980 | US4238634 Gas tight seal for electrodes in smelting furnaces |
12/09/1980 | US4238221 Alloying copper |
12/02/1980 | US4236945 Phosphorus-iron powder and method of producing soft magnetic material therefrom |
12/02/1980 | US4236925 Lead, graphite or magnesium dispersed in iron, copper, aluminum or their alloys or cast iron powders |
12/02/1980 | US4236923 Method of metallurgically joining a fitting to a shaft |
12/02/1980 | CA1090622A1 Method for improving the sinterability of iron powder derived from comminuted scrap metal |
12/02/1980 | CA1090542A1 Method of forming composite material containing sintered particles |
11/25/1980 | US4235623 Chrome ore and coke |
11/25/1980 | CA1090140A1 Conversion of molybdenite concentrate to ferro- molybdenum and simultaneous removal of impurities by direct reduction with sulfide forming reducing agents |
11/18/1980 | US4234168 Apparatus for producing low-oxygen iron-base metallic powder |
11/11/1980 | US4233073 Iron-base sintered alloy for valve seat and method of making the same |
11/11/1980 | US4233071 Bearing having iron sulfur matrix |
11/11/1980 | US4232854 Method of introducing powdered reagents into molten metals and apparatus for effecting same |
11/04/1980 | US4231798 Alloy carrier for charging cupola furnaces |
10/29/1980 | EP0018096A1 Boron containing transistion metal alloys comprising a dispersion of an ultrafine crystalline metallic phase and method for making said alloys, method of making an article from a metallic glass body |
10/28/1980 | US4230491 Iron powder, carbon, alloying metals |
10/21/1980 | CA1087880A1 Process and an apparatus for producing low-oxygen iron-base metallic powder |
10/21/1980 | CA1087879A1 Dispersion strengthened ferritic alloy for use in liquid-metal fast breeder reactors (lmfbrs) |
10/21/1980 | CA1087878A1 Cemented carbide-steel composites for earthmoving and mining applications |
10/14/1980 | CA1087423A1 Low expansion low resistivity composite powder metallurgy member |
10/07/1980 | CA1086957A1 Method for making strontium additions to ferrosilicon |
10/01/1980 | EP0016671A1 Method for the addition of a reactive metal to a molten metal bath |
09/23/1980 | US4224069 Transportation stable magnesium and iron diluent particle mixtures for treating molten iron |
09/23/1980 | US4224064 Method for reducing iron carbide formation in cast nodular iron |
09/17/1980 | EP0015520A1 Method of forming valve lifters |
09/09/1980 | US4221612 Grinding members |
08/26/1980 | CA1084309A1 Fenicraly alloy and abradable seals made therefrom |
08/26/1980 | CA1084308A1 Phosphorus containing steel powder and a method of manufacturing the same |
08/12/1980 | US4217141 Process for producing hard, wear-resistant boron-containing metal bodies |
08/05/1980 | US4216270 Machine parts of powdered metal |
08/05/1980 | US4216015 Coatings, sintered powders and hardfacing |
08/05/1980 | CA1082948A1 Copper-base alloy for liquid phase sintering of ferrous powders |
08/05/1980 | CA1082862A1 Powder metallurgy method for making shaped articles and product thereof |
07/29/1980 | US4214899 Method for the addition of a reactive metal to a molten metal bath |
06/25/1980 | EP0012226A1 Method for treating boron-containing steel |
06/24/1980 | US4209320 Process for producing low-oxygen iron-base metallic powder |
06/17/1980 | CA1079545A1 Disintegrating lead shot |
06/12/1980 | WO1980001170A1 Disilification process of manganese alloys |
06/11/1980 | EP0011989A1 Phosphorus-iron powder and method of producing soft magnetic material therefrom |
06/11/1980 | EP0011981A1 Method of manufacturing powder compacts |
06/10/1980 | US4207120 Carburization of steel strip, followed by heat treatment to reduce carbon and oxygen content |
06/03/1980 | US4205986 Process for fabricating steel from ferrous metal particles |
05/20/1980 | US4204031 Iron-base sintered alloy for valve seat and its manufacture |
05/20/1980 | CA1077748A1 Method of producing high carbon hard alloys |
05/13/1980 | US4202689 Method for the production of sintered powder ferrous metal preform |
05/13/1980 | CA1077277A1 Process for refining high-carbon ferro-alloys |
05/06/1980 | US4201576 Pulverizing, oxidizing silicon |
05/06/1980 | CA1076813A1 Continuous stream treatment of ductile iron |
04/30/1980 | EP0010442A1 Powder metal composition |
04/29/1980 | US4200453 Treating with oxygen and lime to form a slag |
04/08/1980 | CA1075010A1 Oxidation of molten ferrophosphorous |
03/25/1980 | US4194910 Sintered P/M products containing pre-alloyed titanium carbide additives |
03/25/1980 | US4194900 Hard alloyed powder and method of making the same |
03/18/1980 | CA1073706A1 Method of and alloy for treating molten iron |
03/11/1980 | US4192675 Process for decarburizing ferro-manganese |
03/11/1980 | US4192673 Method of manufacturing granulated ferronickel |
02/26/1980 | US4190441 Powder intended for powder metallurgical manufacturing of soft magnetic components |