Patents for C22C 33 - Making ferrous alloys (11,268)
02/1980
02/26/1980US4190440 Process for fabricating steel from ferrous metal particles
02/19/1980CA1071905A1 Copper coated, iron-carbon eutectic alloy powders
02/19/1980CA1071900A1 Phosphorus steel powder and a method of manufacturing the same
02/12/1980CA1071438A1 Phosphorus steel powder and a method of manufacturing the same
02/05/1980US4187084 Ferromagnetic abrasive material and method for preparing the same
02/05/1980CA1070986A1 Rare earth metal treated cold rolled non-oriented silicon steel
01/1980
01/22/1980CA1070146A1 Method for preparing improved machinability steel grades from metal in the divided state
01/01/1980CA1069162A Flanged bearing cartridge
12/1979
12/25/1979US4180401 Sintered steel alloy
12/04/1979US4177061 Method for making iron-chromium alloys
11/1979
11/28/1979EP0005668A1 Process for producing alloy articles by powder metallurgy
11/20/1979CA1066539A1 Alloy steel powders
11/06/1979US4173471 Age-hardenable titanium carbide tool steel
10/1979
10/23/1979CA1064740A1 Method for improving the sinterability of cryogenically-produced iron powder
10/23/1979CA1064739A1 Valve seat material for an internal combustion engine
10/17/1979EP0004546A2 Beryllium-containing iron-boron glassy magnetic alloys
10/09/1979US4170474 Nickel, molybdenum, manganese, copper, carbon, zinc stearate, iron
10/09/1979CA1063755A1 Method for producing metal block having a high density from metal powder and containers used for producing the same
09/1979
09/25/1979CA1062911A1 Ground engaging tool with improved wear-resistant insert and method of making same
09/18/1979US4168162 Infiltrating powder composition
09/11/1979US4167582 Magnetic metallic powder containing iron and magnetic recording medium using same powder
09/04/1979US4166756 Resistance to impact and wear
09/04/1979US4166736 Powdered metal filter composition and processes for producing the same
08/1979
08/21/1979US4165243 Method of making selectively carburized forged powder metal parts
08/21/1979US4165234 Process for producing ferrovanadium alloys
07/1979
07/26/1979WO1979000481A1 Method,apparatus and means for treating melted iron with an alkali or earth alkali metal
07/25/1979EP0003037A1 Method, apparatus and agent for the treatment of molten ferrous metals with a pure alkali or alkaline-earth metal in solid form
07/10/1979CA1057914A1 Wear-resistant composite material and method of making an article thereof
06/1979
06/26/1979CA1057087A1 Lining element for pulp refiners
06/19/1979US4158719 Alloying controlled to obtain desired qualities
06/05/1979CA1055737A1 Method for producing iron or iron alloy powders having a low oxygen content
05/1979
05/29/1979US4156606 Hard-material alloy for use in tool parts and parts subject to wear
05/29/1979CA1055553A1 Extended arc furnace and process for melting particulate charge therein
05/22/1979US4156102 Heat exchanging
05/22/1979US4155754 Method of producing high density iron-base material
05/22/1979US4155748 Manufacture of ferromagnetic metal particles consisting essentially of iron
05/08/1979US4153485 Deoxidizing
05/01/1979US4152179 Process for producing phosphorous-bearing soft magnetic material
05/01/1979US4152178 Sintered rare earth-iron Laves phase magnetostrictive alloy product and preparation thereof
05/01/1979US4152147 Improved thermal stability
04/1979
04/03/1979US4147533 Process for the production of ferro-magnesium and the like
03/1979
03/20/1979CA1051075A1 Stoking device for rotatable furnace pot
03/06/1979CA1049813A1 Metal powder compositions
03/06/1979CA1049791A1 Improved cast iron for vehicle brakes
02/1979
02/20/1979US4140527 Nitrogen containing powder metallurgical tool steel
02/20/1979US4140170 Method of forming composite material containing sintered particles
02/13/1979US4139377 Atomizing melts, pressing, agglomeration
02/06/1979US4138250 Method for producing metal block having a high density with metal powder
02/06/1979CA1047804A1 Metal powder compositions
01/1979
01/30/1979CA1047371A1 Grain-oriented steel
01/23/1979US4135921 Process for the preparation of rare-earth-silicon alloys
01/23/1979US4135916 Process in the manufacture of steels containing nickel
01/16/1979CA1046386A1 Process for the production of low apparent density water atomized steel powders
12/1978
12/19/1978US4130422 Manganese-silicon
12/19/1978CA1044486A1 Molybdenum and ferromolybdenum production
12/12/1978US4129444 Power metallurgy compacts and products of high performance alloys
12/12/1978US4129443 Method for improving the sinterability of iron powder derived from comminuted scrap metal
12/12/1978CA1044021A1 Method of producing alloys containing titanium carbide
12/05/1978US4128420 High-strength iron-molybdenum-nickel-phosphorus containing sintered alloy
12/05/1978CA1043588A1 Powdery material for magnetic recording medium and process for production of same
11/1978
11/21/1978US4126452 Phosphorus containing steel powder and a method of manufacturing the same
11/07/1978CA1041795A1 Sintered liquid phase stainless steel
10/1978
10/31/1978US4123265 Infiltrating iron-tungsten alloy with copper or an alloy thereof, cooling to form martensite and bainite matrices
10/31/1978US4123257 Method of treating a plating sludge
10/24/1978US4122296 Distributing and poking machine for metallurgical furnaces
10/24/1978US4121930 Nitrogen containing high speed steel obtained by powder metallurgical process
10/24/1978US4121929 Nitrogen containing high speed steel obtained by powder metallurgical process
10/24/1978US4121927 Method of producing high carbon hard alloys
10/24/1978CA1040863A1 Process for the production of molten metal
10/10/1978US4119459 Composite body consisting of cemented carbide and cast alloy
10/03/1978US4118225 Method for producing fibrous steel matts
09/1978
09/19/1978US4115158 Iron and phosphorus
08/1978
08/22/1978US4108645 Preparation of rare earth and other metal alloys containing aluminum and silicon
08/15/1978US4106929 Process for preparing a ferrochromium by using a blast furnace
08/15/1978CA1036389A1 Powder mixture for the production of alloy steel articles
08/01/1978US4104445 Method for making steel wire
07/1978
07/18/1978US4101348 Aluminum, silicon, iron
07/18/1978US4101318 Cemented carbide-steel composites for earthmoving and mining applications
07/18/1978US4101316 Conversion of molybdenite concentrate to ferro-molybdenum and simultaneous removal of impurities by direct reduction with sulfide forming reducing agents
07/11/1978US4099958 Method of producing vanadium
07/04/1978US4098608 Mixture of nickel-manganese alloy, carbon, iron
07/04/1978US4098607 18% Ni-Mo-Co maraging steel having improved toughness and its method of manufacture
06/1978
06/13/1978US4094559 Flanged bearing cartridge
06/06/1978US4093449 Toughness and strength
05/1978
05/30/1978US4092223 Used to make steel with high tensile strength
05/23/1978US4090874 Method for improving the sinterability of cryogenically-produced iron powder
05/23/1978US4090868 Phosphorus steel powder and a method of manufacturing the same
05/16/1978US4089681 Iron ore reduction, working
04/1978
04/25/1978US4086086 Alloy of silicon, magnesium, titanium, calcium, cerium and iron
03/1978
03/28/1978US4080715 Process for production of lamellar graphite-containing material
03/21/1978US4080205 Sintered alloy having wear-resistance at high temperature
03/21/1978US4080204 Iron, nickel, chromium, aluminum, yttrium
03/21/1978US4079523 Air melting an iron charge
03/14/1978US4079185 Direct current arcing electrodes
03/07/1978US4077108 Process for producing dense machinable alloys from particulate scrap
02/1978
02/21/1978US4075092 High surface area permeable material
02/21/1978US4075010 Chromium, titanium, yttria, iron
01/1978
01/31/1978US4071354 Low alloy steels
01/17/1978US4069044 Iron-molybdenum
01/03/1978US4066422 Iron-boron matrix