Patents for C22C 33 - Making ferrous alloys (11,268)
07/1998
07/22/1998EP0854669A1 Soft magnetic alloy powder for electromagnetic and magnetic shield, and shielding members containing the same
07/22/1998EP0853994A1 Iron-base powder mixture for powder metallurgy having excellent fluidity and moldability and process for preparing the same
07/21/1998US5784681 Method of making a sintered article
07/21/1998US5782954 Iron-based metallurgical compositions containing flow agents and methods for using same
07/14/1998US5780170 Sychronizing ring having a sintered friction coating
07/14/1998US5778530 Casting the molten bath of cast iron in a mold and an element selected from bismuth, tellurium, selenium, arsanic, antimony and tin is added at pouring time of molten bath; used for high pressure engine
07/14/1998CA2100442C Process for the production of vanadium containing steel alloys
07/07/1998US5777247 Powder metallurgy
07/01/1998CN1186525A On-line production control of cast irons by measuring surface tension of base treated iron
06/1998
06/18/1998WO1998025720A1 Agglomerated iron-based powders
06/17/1998EP0848072A1 An abrasion resistant valve seat made of sintered alloy for internal combustion engines
06/16/1998US5768678 Manganese sulfide composition and its method of production
06/16/1998US5766304 Comprises an iron base powder, an alloy powder containing atleast copper powder or copper oxide powder and organic substance in bonding for bonding alloy powder to iron powder
06/11/1998WO1998025133A1 Method for judging the properties of molten cast iron
06/11/1998WO1998024941A1 Iron-based powder
06/10/1998EP0846782A1 Powder metal alloy process
06/10/1998EP0639232A4 Iron-based powder compositions containing novel binder/lubricants.
06/02/1998US5759298 Gray cast iron system for scroll machines
06/02/1998US5759227 Iron alloys for wear resistant valves
05/1998
05/28/1998WO1998022630A1 Iron additive for alloying non-ferrous alloys
05/27/1998CN1182803A Method for producing synthetic cast iron cam shaft
05/26/1998US5756909 Abrasion resistant, ductile steel
05/19/1998US5754937 Forming sintered powder metal in closed die cavity to form high density article
05/19/1998US5754936 Iron powder components containing thermoplastic resin and method of making same
05/19/1998US5754935 Nonabrasive sintered material comprising a carbide, a nitride or a carbonitride additive particles; wear resistance; friction resistance
05/19/1998US5753005 Source powder for wear-resistant sintered material
05/13/1998CN2281355Y Ladle for vortex spheroidizing
05/12/1998US5749331 Powdered metal cylinder liners
04/1998
04/30/1998DE19643752A1 Corrosion- and oxidation-resistant material, used as heat exchanger material
04/29/1998EP0719349B1 Process of producing sintered articles
04/23/1998WO1998016666A1 Iron based metal powder mixture and component made therefrom
04/15/1998EP0835329A1 Hi-density sintered alloy and spheroidization method for pre-alloyed powders
04/15/1998EP0612276B1 Heat treatment of metal castings and in-furnace sand reclamation
04/14/1998US5738737 Rapidly solidifying molten steel, heating to produce mixture of ferrite steel and metal carbide
04/08/1998EP0834580A1 Alloy having high corrosion resistance in environment of high corrosiveness, steel pipe of the same alloy and method of manufacturing the same steel pipe
04/08/1998EP0834577A1 Process and installation for treating of iron melts and cast iron or steel manufactured by this process
04/01/1998CN1037917C Technology for smelting ferrochrome using powdered Cr ore reductive sintered blocks
03/1998
03/25/1998CN1177383A Method and equipment for treatment in molten cast iron baths reaction material having a low or high production of gas
03/24/1998CA1339767C Cold work steel made by powder metallurgy
03/24/1998CA1339766C Tool stell
03/18/1998EP0828861A1 On-line production control of cast irons by measuring the surface tension of the base treated iron
03/17/1998US5728238 Iron based powder, component produced therefrom and method of producing the component
03/17/1998CA1339715C Abrasion resistant composite casting and production method thereof
03/12/1998WO1998010438A1 METHOD FOR THE MANUFACTURE OF A RARE EARTH ELEMENT (SE)-Fe-B PERMANENT MAGNET
03/12/1998WO1998010437A1 RARE EARTH ELEMENT (SE)-Fe-B PERMANENT MAGNET AND METHOD FOR THE MANUFACTURE THEREOF
03/12/1998WO1998010436A1 RARE EARTH ELEMENT (SE)-Fe-B PERMANENT MAGNET AND METHOD FOR THE MANUFACTURE THEREOF
03/12/1998WO1998010108A1 High-strength, high-toughness aluminum alloy and process for preparing the same
03/12/1998DE19636285A1 Verfahren zur Herstellung eines SE-Fe-B-Dauermagneten A process for preparing a SE-Fe-B permanent magnets,
03/12/1998DE19636284A1 SE-Fe-B-Dauermagnet und Verfahren zu seiner Herstellung SE-Fe-B permanent magnet, and method for its preparation
03/12/1998DE19636283A1 Verfahren zur Herstellung eines SE-FE-B-Dauermagneten A process for preparing a SE-FE-B permanent magnets,
02/1998
02/24/1998US5720828 Sintering compacted powder or hot shaping intermetallic material containing at least rare earth element, iron and carbon, gas absorbing nitrogen and/or carbon into material
02/18/1998CN1173837A Method of mfg. cast products which are cast in a sinle-piece having controlled variations of compacted graphite iron and grey cast iron
02/18/1998CN1173548A Process for directly producing rare-earth ferrosilicon (containing Ba) alloy by 1000-5000 KVA ferrosilicon furnace
02/12/1998WO1998005455A1 Nickel-containing strengthened sintered ferritic stainless steels
02/12/1998WO1998005454A1 Iron-base powder mixture for powder metallurgy having excellent fluidity and moldability and process for preparing the same
02/11/1998EP0822875A1 Method of manufacturing high temperature resistant shaped parts
02/11/1998CN1037359C Regenerating process for high-temp. alloy furnace pipes
02/04/1998CN1172170A Method for smelting ferro-niobium by two-step electric furnace reduction
02/03/1998US5713981 Composite shot
01/1998
01/29/1998WO1998003692A1 High-speed steel
01/29/1998WO1998003291A1 Process for the preparation of an iron-based powder
01/29/1998CA2230718A1 High-speed steel
01/14/1998EP0784710A4 Amorphous metal alloy and method of producing same
01/14/1998EP0711252B1 Method for production of white microsilica
01/07/1998EP0815274A1 Method of powder metallurgical manufacturing of a composite material
01/07/1998CN1036935C Polycompound nodulizer for nodularcast iron
01/06/1998CA2121047C Heat treatment of metal castings and in-furnace sand reclamation
12/1997
12/30/1997US5703304 High tensile strength alloy also comprising copper, carbon; automobiles
12/29/1997EP0814172A1 Powder metallurgy hot-work tool steel, and process for its manufacture
12/29/1997EP0813617A1 Stainless steel powders and articles produced therefrom by powder metallurgy
12/29/1997EP0707620B1 Solid lubricant and hardenable steel coating system
12/24/1997WO1997048829A1 Pm hot-work steel and process for producing it
12/18/1997WO1997047418A1 Powder metallurgical body with compacted surface
12/17/1997EP0812925A1 Low alloy steel powders for sinterhardening
12/17/1997CN1167990A Dust core, iron powder therefor and method of making same
12/16/1997CA2106266C Refractory shape steel material containing oxide and process for producing rolled shape steel of said material
12/09/1997US5696798 Multiple antenna home base for digital cordless telephones
12/03/1997EP0810296A1 High strength, corrosion resistant austenitic stainless steel and consolidated article
12/03/1997EP0662239B1 Process for manufacturing alnico system permanent magnet
12/03/1997CN1166802A Manganese containing materials having high tensile strength
11/1997
11/26/1997EP0808681A1 Iron powder for powder metallurgy, process for producing the same, and iron-base powder mixture for powder metallurgy
11/26/1997CN1165869A Dual-furnace combined casting process for producing wear resistance alloyed balls
11/20/1997WO1997043458A1 High density forming process with ferro alloy and prealloy
11/20/1997WO1997043066A1 Method for preparing high performance ferrous materials
11/20/1997CA2254918A1 High density forming process with ferro alloy and prealloy
11/20/1997CA2254734A1 Method for preparing high performance ferrous materials
11/19/1997EP0806996A1 A method of manufacturing cast products which are cast in a single-piece having controlled variations of compacted graphite iron and grey cast iron
11/13/1997WO1997042351A1 Making metal powder articles by sintering, spheroidizing and warm forming
11/13/1997CA2252745A1 Making metal powder articles by sintering, spheroidizing and warm forming
11/12/1997CN1164576A Double layer granular fire-retardant nodulizer composition and preparation method thereof
11/11/1997US5685244 Recovering vanadium-iron alloy from fly ash, molten slag layer
11/05/1997EP0805216A1 Preconditioning of cast iron smelted in an electric furnace to produce safety part castings
11/05/1997CN1163943A Abrasion resistant, ductile steel
10/1997
10/28/1997US5682588 Method for producing ferrous sintered alloy having quenched structure
10/23/1997WO1997039153A1 Alloy having high corrosion resistance in environment of high corrosiveness, steel pipe of the same alloy and method of manufacturing the same steel pipe
10/22/1997EP0701494A4 Microstructurally refined multiphase castings
10/22/1997EP0605491B1 Camshaft and method for casting the camshaft
10/21/1997US5679909 Composite oxide of calcium, magnesium and silicon oxides are dispersed in iron-dominant metal matrix; high strength; can be cut with less tool wear
10/21/1997US5679908 Corrosion resistant, high vanadium, powder metallurgy tool steel articles with improved metal to metal wear resistance and a method for producing the same
10/16/1997DE19715708A1 High temperature wear resistant sintered alloy
1 ... 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 ... 113