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