Patents for C22C 33 - Making ferrous alloys (11,268)
01/1997
01/08/1997EP0752015A1 A method of making a sintered article
01/01/1997CN1139030A Powder metallurgical process for producing driller chuck parts
12/1996
12/31/1996US5590384 Process for improving the corrosion resistance of stainless steel powder composition
12/31/1996US5589652 Ceramic-particle-dispersed metallic member, manufacturing method of same and use of same
12/31/1996US5589011 Nanostructured steel alloy
12/27/1996WO1996042093A1 Permanent magnet
12/27/1996CA2195945A1 Permanent magnet
12/25/1996CN1138879A Sintered friction material for friction-linked components and friction-linked component
12/25/1996CN1033623C Method for producing rare earth alloy magnet powder
12/19/1996WO1996041031A1 Process for case hardening higher molybdenum-alloyed sintered steels
12/12/1996DE19520354A1 Verfahren zum Einsatzhärten von höhermolybdänlegierten Sinterstählen A method of case-hardening of higher-molybdenum sintered steels
12/11/1996EP0747497A1 Corrosion resistant, high strength austenitic sintered steel for nuclear components and its method of manufacturing
12/11/1996EP0747491A1 Method of reducing metal oxide in a rotary hearth furnace heated by an oxidizing flame
12/11/1996EP0747490A1 Direct use of sulfur-bearing nickel concentrate in making Ni alloyed stainless steel
12/11/1996EP0747154A1 Process and apparatus for producing sintered parts
12/11/1996CN1033523C Technology for producing low-iron silicon-aluminium alloy and self-baking electrode
12/07/1996CA2176692A1 Direct use of sulfur bearing nickel concentrate in making ni alloyed stainless steel
12/07/1996CA2175750A1 Method of reducing metal oxide in a rotary hearth furnace heated by an oxidizing flame
12/05/1996WO1996038595A1 On-line production control of cast irons by measuring the surface tension of the base treated iron
12/03/1996US5580401 Gray cast iron system for scroll machines
12/03/1996US5580400 Magnetically anisotropic permanent magnet
11/1996
11/26/1996US5578773 High-speed steel manufactured by powder metallurgy
11/26/1996CA1338731C Method of smelting reduction of chromium raw materials and a smelting reduction furnace thereof
11/20/1996EP0742844A1 Hi-density sintered alloy
11/19/1996US5575829 Direct use of sulfur-bearing nickel concentrate in making Ni alloyed stainless steel
11/13/1996CN1135535A Compounded agent for smelting melted cast iron
11/12/1996US5573057 Camshaft and method for casting the camshaft
11/12/1996CA2066310C Powder mixture for powder metallurgy and binder therefor
11/07/1996WO1996034989A1 Process for producing hydraulic binders and/or alloys, e.g. ferrochromium or ferrovanadium
11/06/1996EP0740589A1 Method relating to the manufacturing of a composite metal product
11/06/1996CN1134984A Method for producing alloyed steels
11/05/1996US5571305 Atomized steel powder excellent machinability and sintered steel manufactured therefrom
10/1996
10/31/1996WO1996034118A1 Method of making semi-finished metal products
10/31/1996WO1996033831A1 Method of manufacturing high temperature resistant shaped parts
10/30/1996EP0739991A1 Iron-base powder mixture for powder metallurgy and manufacturing method therefor
10/29/1996US5569336 Surface coating of aluminum phosphate, rare earth element and optionally boron and/or nitrogen diffused layer on iron magnet
10/29/1996US5569335 Sintered permanent magnet
10/29/1996US5569333 Process for producing a material for a permanent magnet
10/24/1996DE19514889A1 Verfahren zur Herstellung metallischer Halbzeuge A method for producing metallic semi-finished
10/23/1996EP0738782A2 Iron aluminide useful as electrical resistance heating elements
10/22/1996US5567891 Rare earth element-metal-hydrogen-boron permanent magnet
10/22/1996US5567890 Iron-based powder composition having good dimensional stability after sintering
10/22/1996US5567224 Alloying
10/09/1996CN1132798A Aluminum containing iron-base alloys useful as electricalresistance heating elements
10/09/1996CN1132797A Waste iron filings smelting process for direct prodn of ductile iron casting
10/09/1996CN1032975C Method for smelting iron alloy in ore roaster and carbonaceous reductant thereby
10/09/1996CN1032974C Method for smelting extremely low silicon high carbon stainless steel
10/08/1996US5562786 Process for producing heat-treated sintered iron alloy part
10/08/1996US5562782 Method for producing magnetically anisotropic permanent magnet
10/02/1996EP0735155A1 A stainless steel alloy
10/02/1996DE19521941C1 Mfg. sintered air-hardenable alloy steel component
10/02/1996CN1132260A Method for prodn. of 3-class bearing retainer by use of powdered metal
10/01/1996US5561832 Method for manufacturing vanadium carbide powder added tool steel powder by milling process, and method for manufacturing parts therewith
10/01/1996CA2170690A1 Stainless steel alloy
09/1996
09/25/1996EP0733718A1 Sintered material having good machinability and process for producing the same
09/19/1996WO1996028580A1 Stainless steel powders and articles produced therefrom by powder metallurgy
09/19/1996DE19508947A1 New wear resistant iron@-molybdenum@-tungsten@ alloy
09/18/1996EP0732417A1 A metal sintered body composite material and a method for producing the same
09/18/1996CN1131069A Oil pump choke regulating ring gear made of metal powder material and its making method
09/18/1996CN1032823C Technology for smelting ultralow-carbon high-chromium alloyed steel by subaerated induction furnace
09/04/1996EP0378702B1 Sintered alloy steel with excellent corrosion resistance and process for its production
09/03/1996US5552109 Blending graphite and lubricants with iron powder and pressing, compaction an sintering
08/1996
08/29/1996WO1996026298A1 Method of powder metallurgical manufacturing of a composite material
08/28/1996EP0728991A2 A compensating circuit for a flame rod structure
08/22/1996DE19505628A1 Verfahren zur Herstellung eines verschleißbeständigen zähen Werkstoffes A method for producing a wear-resistant tough material
08/21/1996CN1129292A Method for the manufacture of an expansible anchor consisting of corrosion-resistant steel
08/15/1996WO1996024451A1 A method of manufacturing cast products which are cast in a single-piece having controlled variations of compacted graphite iron and grey cast iron
08/15/1996CA2211804A1 A method of manufacturing cast products which are cast in a single-piece having controlled variations of compacted graphite iron and grey cast iron
08/14/1996EP0726332A2 Sulfur-containing powder-metallurgy tool steel article
08/14/1996CN1032548C Method for smelting high pure duriron using mine furnace
08/13/1996US5545249 Sintered bearing alloy for high-temperature application and method of manufacturing an article of the alloy
08/13/1996US5545247 Particulate CaF2 and BaF2 agent for improving the machinability of sintered iron-based powder
08/06/1996US5543174 Fluidizing iron-based particles in stream of air, contacting with coating solution, compression molding
08/06/1996US5542990 Cast iron containing at least one element from the group consisting of bismuth, tellurium, selenium, arsenic, antimony and tin; chilled carbide grains along the sliding surface
07/1996
07/31/1996CN1127797A Method for regenerating permanent magnet from Nd-Fe-B rare-earth permanent-magnet waste by second vacuum smelting
07/30/1996US5540883 Method of producing bearings
07/24/1996EP0722796A1 Process for producing heat-treated sintered iron alloy part
07/24/1996EP0619845A4 Solid metal-carbon matrix of metallofullerites and method of forming same.
07/24/1996CN1127499A Method for production of white microsilica
07/23/1996US5538683 Titanium-free, nickel-containing maraging steel die block article and method of manufacture
07/17/1996EP0721991A1 Process for manufacturing a stainless steel expanding anchor
07/17/1996EP0721990A1 Method for producing alloyed steels
07/17/1996EP0721715A1 Multiple antenna home base for digital cordless telephones
07/17/1996CN1126961A Microstructurally refined multiphase castings
07/17/1996CN1126766A Production process of ferro-titanium alloy
07/17/1996CN1126643A Method for producing interlocking metal parts
07/11/1996WO1996021046A1 Method and equipment for treatment in molten cast iron baths with reaction materials having a low or high production of gas
07/10/1996CN2230768Y Parellel inverting medium frequency melting furnace
07/09/1996US5534220 Method of sintering machinable ferrous-based materials
07/09/1996US5534045 Water-atomized iron powder and method
07/03/1996EP0719872A1 Aluminum containing iron-base alloys useful as electrical resistance heating elements
07/03/1996EP0719349A1 Process for preparing a powder mixture and its use
07/03/1996EP0719348A1 METHOD FOR PRODUCTION OF FeSi
07/03/1996CN1125777A Centrifugal compound wear-resistant roll and its production method
06/1996
06/26/1996CN1125264A Nodular graphite cast iron spheroidization process for reducing fire loss and saving alloy
06/25/1996US5529745 Forming intermetallic from powders of terbium, dysposium and at least one of iron, cobalt or nickel; low crystalline magnetic anisotropy at room temperature
06/25/1996US5529604 Modified stainless steel powder composition
06/25/1996US5529603 Alloy powders for bond magnet and bond magnet
06/25/1996US5529602 Sintered iron alloy resistant to abrasion at high temperature and method of manufacturing the same
06/25/1996US5529600 Heat compacted powder mixture having two different steel particles, one is harder with higher coefficient of friction, the other is softer with lower coefficient of friction
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