Patents for C22C 33 - Making ferrous alloys (11,268)
10/1997
10/14/1997US5676775 Process for manufacturing corrosion resistant metal products
10/07/1997US5674449 Comprising carbon, chromium, tungsten, molybdenum, vanadium, niobium, cobalt; wear resistance, oxidation resistance and high temperature resistance
09/1997
09/25/1997WO1997035184A1 New method
09/24/1997EP0796927A2 Powder-produced material having wear-resistance
09/24/1997CN1160423A Amorphous metal alloy and method of producing same
09/24/1997CN1160086A Nodular graphite cast iron grinding ball and casting production method
09/24/1997CN1160085A Method for direct production of Si-Al-Ba-Ca-Fe Alloy from ore
09/17/1997EP0795037A1 Method and equipment for treatment in molten cast iron baths with reaction materials having a low or high production of gas
09/17/1997CN1035891C Ingot slab used as refractory shaped-steel material containing oxide and process for rolling shaped-steel using said ingot slab
09/09/1997US5666634 Alloy steel powders for sintered bodies having high strength, high fatigue strength and high toughness, sintered bodies, and method for manufacturing such sintered bodies
09/09/1997US5666633 Method of producing interlocking metal parts
09/03/1997EP0576684B1 Minute acicular particle containing metallic iron, iron carbide and carbon, production thereof, and magnetic coating composition and magnetic recording medium containing the same
09/03/1997CN1158361A Corrosion resistant, high vanadium, powder metallurgy tool steel articles with improved metal to metal wear resistance and method for producing the sme
09/03/1997CN1035779C Shape steel material having high strength, high toughness and excellent fire resistance and process for producing rolled shape steel of said material
08/1997
08/27/1997CN1157858A Method for producing ultra low-carbon duriron
08/26/1997US5661762 Multiple antenna home base for digital cordless telephones
08/26/1997US5660939 Stainless steel alloy
08/20/1997EP0738335B1 Sintered friction material for friction-linked components and friction-linked component
08/20/1997CN1157328A Method for producing and casting pig-iron and high pureness pig-iron by using scrap
08/13/1997EP0789088A1 Wear-resistant sintered alloy, and its production method
08/13/1997EP0789086A2 Process for preparing a metallic material having high hardness and its use
08/13/1997EP0788416A1 Composite shots and methods of making
08/13/1997CN1157010A Process for producing hydraulic binders and/or alloys, E.G. ferrochromium or ferrovanadium
08/12/1997US5656787 Sintered powder metal containing manganese, molybdenum, phosphorous, boron, carbon, iron and other components
08/06/1997EP0787048A1 Manganese containing materials having high tensile strength
08/05/1997US5653299 Wear resist steel matrix having a duplex microstructure of austenite and martensite; toughness, high strength
07/1997
07/30/1997EP0786532A2 Briquette containing silicious residual matter, useful as additive for metallurgical purposes and process for the manufacture thereof
07/30/1997CA2196331A1 Process of production of high hardness metallic material and its uses
07/23/1997EP0785289A1 Abrasion resistant, ductile steel
07/23/1997EP0785288A1 Wear-resistant sintered alloy, and its production method
07/23/1997EP0784710A1 Amorphous metal alloy and method of producing same
07/23/1997CA2194642A1 Abrasion resistant, ductile steel
07/16/1997CN1154418A Process for producing ferro-phosphorus
07/16/1997CN1154417A Process for producing the as cast type minor-caliber nodular cast iron pipe using the cupola furnace melted iron
07/15/1997US5648992 In a communications system
07/03/1997WO1997023760A1 A method of manufacturing iron shot for hunting cartridges
07/02/1997EP0781180A1 Improved iron-based powder compositions containing green strength enhancing lubricants
07/02/1997CN1153490A Iron powder components contg. thermoplastic resin and method of making same
06/1997
06/25/1997EP0779937A1 Process for case hardening higher molybdenum-alloyed sintered steels
06/25/1997EP0779847A1 Iron-based powder containing chromium, molybdenum and manganese
06/25/1997CN1152624A Easy cutting iron-copper-carbon series agglutinated steel containing composite additives
06/24/1997US5641922 Hi-density sintered alloy and spheroidization method for pre-alloyed powders
06/12/1997DE19650769A1 Powdered mixture for the manufacture of a sintered iron alloy
06/10/1997US5637158 Method for the manufacture of an expansible anchor consisting of corrosion-resistant steel
05/1997
05/28/1997EP0776015A1 Permanent magnet
05/28/1997EP0762922A4 Metal filter for high temperature applications
05/28/1997CN1150606A High titanium iron preparing method
05/21/1997EP0774528A1 Rolling cutter drill bits
05/20/1997US5631431 Particulate CaF2 agent for improving the machinability of sintered iron-based powder
05/14/1997EP0773305A1 Corrosion resistant, high vanadium, powder metallurgy tool steel articles with improved metal to metal wear resistance and a method for producing the same
05/14/1997CN1149631A Method for preparing ferro-phosphorus from corundum slag
05/13/1997US5629091 Powder particles comprising water atomized stainless steel, boron nitride or eutectic of calcium and lithium fluorides, and a vaporizable binder; for friction/wear resistant coatings for automobile engine cylinder bores
05/07/1997EP0553165B1 Method for the production of ductile cast iron
05/06/1997US5628046 Process for preparing a powder mixture and its use
05/06/1997US5628045 Process and device for producing sintered parts
05/02/1997EP0770149A1 Process for producing hydraulic binders and/or alloys, e.g. ferrochromium or ferrovanadium
05/02/1997EP0770148A1 Method of making semi-finished metal products
04/1997
04/30/1997CN1148632A Nodular cast-iron smokeless treating technology and device thereof
04/30/1997CN1148631A Method for smelting quick-speed steel by quick-speed steel abrasive dust and quick-speed steel iron oxide
04/29/1997US5624631 Iron-based powder compositions containing green strength enhancing lubricants
04/24/1997WO1997014523A1 Iron powder for powder metallurgy, process for producing the same, and iron-base powder mixture for powder metallurgy
04/22/1997US5623726 Steel; corrosion, fatigue resistance
04/16/1997CN1147561A Smelting process of high-speed tool steel
04/15/1997US5620651 Iron aluminide useful as electrical resistance heating elements
04/09/1997EP0550725B1 Process for producing an alloy having hard particles comprising Ti carbide
04/02/1997EP0765199A1 Iron powder components containing thermoplastic resin and method of making same
04/02/1997EP0598814B1 High-speed steel manufactured by powder metallurgy
04/02/1997CN1146497A Method for directly smelting stainless steel by chromium ore fusion reduction
03/1997
03/26/1997EP0764488A1 Heat resisting metal fiber sintered body
03/26/1997EP0764485A2 A porous mold material for casting and a method of producing the same
03/23/1997CA2186155A1 Porous mold material for casting and a method of producing the same
03/19/1997EP0762922A1 Metal filter for high temperature applications
03/19/1997CN1034286C Iron boride hard metals
03/18/1997US5613180 High density ferrous power metal alloy
03/12/1997EP0760724A1 IRON BASED POWDER CONTAINING Mo, P AND C
03/12/1997CN1144728A Metal sintered body composite material and method for producing the same
03/06/1997WO1997007917A1 Process for the production of ultrafine particles
03/05/1997EP0599910B1 High-speel manufactured by powder metallurgy
03/05/1997EP0598782B1 High-speed steel manufactured by powder metallurgy
03/05/1997CN1034187C Ni and Fe base catalyst alloy and making method thereof
02/1997
02/26/1997EP0758934A1 Sintered products having improved density
02/26/1997EP0672196A4 Composite shot.
02/26/1997CN1143687A One-step process for producing medium-low carbon chromium iron
02/26/1997CN1143681A Method of reducing metal oxide in rotary hearth furnace heated by oxidizing flame
02/26/1997CN1143680A Direct use of sulfur-bearing nickel concentrate in making Ni alloyed stainless steel
02/25/1997US5605559 High strength, compactability
02/20/1997WO1997005980A1 Self-lubricating sintered sliding material and method for manufacturing the same
02/12/1997CN1142544A Metallurgy of Si-Al-Fe alloy from iron alum
02/11/1997US5603072 Method for producing Fe-based sintered body with high-corrosion resistance
02/05/1997CN1141960A Method for production of high-purity high-strength and high-toughness steel
02/05/1997CN1141959A Technology of split pressing one-time compounding for composite iron-base alloy of powdered metallurgy of tin and bronze
02/04/1997US5599377 Contains manganese, sulfur, iron and atleast one compound selected from molybdenum oxide and tungsten oxide, and graphite; sintered steel having excellent machinability, strength and toughness
01/1997
01/29/1997EP0656145B1 Permanent magnet material containing a rare-earth element, iron, nitrogen and carbon
01/29/1997CN1141424A Ductile iron radiator and art for making same
01/21/1997US5595706 Aluminum containing iron-base alloys useful as electrical resistance heating elements
01/16/1997WO1997001651A1 Hi-density sintered alloy and spheroidization method for pre-alloyed powders
01/16/1997CA2225692A1 Hi-density sintered alloy and spheroidization method for pre-alloyed powders
01/15/1997EP0650402A4 Method for preparing binder-treated metallurgical powders containing an organic lubricant.
01/15/1997CN1140426A Method relating to manufacturing of composite metal product
01/15/1997CN1140203A Iron aluminide useful as electrical resistance heating element
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