Patents for C22C 33 - Making ferrous alloys (11,268)
05/1988
05/05/1988DE3735965A1 Process for winning metals or metal alloys and also plant for carrying out the process
04/1988
04/27/1988EP0265413A2 Process for the manufacture of rare-earth metals and of alloys containing rare-earth metals
04/27/1988EP0265038A1 Method of making steel
04/20/1988EP0264287A2 Iron-based powder mixtures
04/20/1988EP0264153A1 Magnetic material comprising iron, boron and a rare earth metal
04/14/1988DE3633614A1 Composite bar and method for its production
04/13/1988EP0263373A2 Process for manufacturing a wear-resistant sintered alloy
04/12/1988CA1234992A1 Method of manufacturing metals and/or generating slag
04/07/1988WO1988002370A1 2-substituted-e-fused-[1,2,4]triazolo[1,5-c]pyrimidines pharmaceutical compositions and uses thereof
04/06/1988EP0263071A1 2-Substituted-e-fused-[1,2,4]-triazolo[1,5-c] pyrimidines, pharmaceutical compositions, and uses thereof
04/06/1988EP0262774A2 Wear-resistant sintered iron article
04/05/1988US4735771 Method of preparing oxidation resistant iron base alloy compositions
04/05/1988US4734968 Base layer sintered alloy of higher heat resistance and creep resistance than valve seat layer
03/1988
03/30/1988EP0261292A2 Method of producing fully dense permanent magnet alloy article
03/30/1988CN86108726A Frictional dual parts and its processing
03/23/1988CN86105963A Method for cast-iron spheroidazation and its device
03/23/1988CN86104112B Stablizing modificator of n-zr system
03/22/1988US4732622 Iron alloys, crystallization annealing
03/16/1988EP0259856A2 Method for manufacturing alloy
03/15/1988US4731118 High impact strength power metal part and method for making same
03/15/1988US4731112 Method of producing ferro-alloys
03/15/1988CA1233989A1 Method of vaporizing additives in metal melts
03/09/1988EP0258969A2 Nitride dispersion - strengthened steels
03/09/1988CN87101579A Production of ferroboron directly from boron-magnesium-iron ore
03/08/1988US4729789 Corrosion and wear resistance
03/08/1988CA1233679A1 Wrought p/m processing for prealloyed powder
03/08/1988CA1233674A1 Process for making alloys having coarse elongated grain structure
03/08/1988CA1233644A1 Method of producing ferro alloys
03/01/1988US4728358 Iron bearing briquet and method of making
02/1988
02/24/1988EP0256555A2 Dispersion strengthened alloys
02/24/1988CN87102072A A sintered iron base oil containing bearing material
02/16/1988CA1232780A1 Work-hardenable austenitic manganese steel and method for the production thereof
02/10/1988CN86104112A Stablizing modificator of n-zr system
02/09/1988US4724000 Powdered metal valve seat insert
02/09/1988US4723999 Embedding second powder in first powder in mold, heat treatment, and isostactic pressing
02/09/1988CA1232458A1 Multistage process for preparing ferroboron
02/02/1988CA1232158A1 Manufacture of powder cores for electromagnetic apparatus
01/1988
01/28/1988WO1988000621A1 Abrasion-resistant sintered alloy and process for its production
01/28/1988WO1988000505A1 Alloy steel powder for powder metallurgy
01/26/1988US4721599 Method for producing metal or alloy articles
01/26/1988CA1231839A1 Reduction process for forming powdered alloys from mixed metal iron oxides
01/21/1988DE3621569A1 Chromium-aluminium-iron alloy thin strip mfr. - used as catalyst support material by rapidly cooling on moving surface
01/20/1988CN87104601A High-purity silicon iron and its preparation method
01/14/1988WO1988000102A1 Heat-insulating component and a method of making same
01/13/1988EP0252193A1 Manufacture and consolidation of alloy metal powder billets
01/13/1988EP0108107B1 Magnesium ferrosilicon alloy and use thereof in manufacture of nodular cast iron
01/13/1988CN86102674B Smelting cast technique in cupola furnace at high carburetting and strong reducing state
01/07/1988EP0252048A1 Heat-insulating component and a method of making same
01/07/1988EP0250414A1 Method in producing a molding of an iron alloy.
01/06/1988CN87205730U Inside mould breeding block of medium and small-sized iron cast
01/05/1988US4717537 Process for making metallic alloys using precarburized ferroalloys
12/1987
12/23/1987CN87104407A Rare-earth low-chrome cast iron balls and their technoloyg of production
12/23/1987CN87103786A Method for mfg. chromium-bearing pig iron
12/16/1987EP0249092A1 Protection shield for a turbine blade made of titanium, and brazing method for such a shield
12/16/1987EP0249006A1 Method for manufacturing chromium-bearing pig iron
12/16/1987CN87104497A Protective tip for titanium blade and method of brazing such a tip
12/16/1987CN86103986A Dry dust separation method for ferroalloy closed electrical furnace
12/08/1987US4711290 Periodic oxidation of magnesium deposits in exhaust system; nonexplosive
12/02/1987EP0247415A2 Alloy steel product, die blocks and other forgings and castings made thereof and a method to manufacture the product
12/01/1987US4710236 Method for the preparation of a metallic body from an amorphous alloy
12/01/1987CA1229777A1 Method of making cg iron
11/1987
11/25/1987EP0246233A1 Tool steel.
11/25/1987CN87103635A Machinofacture sphericized agent with iron and magnesium and its manufacturing engineering
11/24/1987US4708741 Rapid sintering feedstock for injection molding of stainless steel parts
11/10/1987US4705560 Process for producing metallic powders
11/10/1987CA1228984A1 Wire injection apparatus
11/04/1987EP0243641A1 Process for manufacturing a permanent-magnet material from powder
11/03/1987US4704336 For steam turbine blades, dispersion in chromium-iron alloy
11/03/1987US4704251 Silicon carbide particles in iron matrix
10/1987
10/27/1987US4702772 Sintered alloy
10/27/1987US4702771 Chromium, manganese, molybdenum, phosphorus, copper, carbon
10/27/1987US4702767 Oxidatively scouring, dephosphorization, reducing refining by agitation, vacuum degassing
10/22/1987WO1987006272A1 Material for alloying a metal with vanadium
10/22/1987DE3712107A1 Gesinterte steuerwelle Sintered tax-wave
10/14/1987CN87102206A Metal thermal reduction for rare earth cloride
10/07/1987EP0239881A1 Method of manufacturing objects by hot-pressing metal powder in a mould
09/1987
09/29/1987US4696696 Iron based alloy
09/23/1987EP0238185A1 Metallothermic reduction of rare earth chlorides
09/23/1987CN87100530A Permanent magnet made from the rare-earth with very low coercive force transition metal, boron alloy
09/22/1987US4695318 Method of making steel
09/22/1987CA1227072A1 Method for producing iron-silicon alloy articles
09/16/1987EP0237416A1 A rare earth-based permanent magnet
09/16/1987EP0237210A2 A stainless steel composition of improved corrosion resistance and process therefor
09/16/1987EP0236505A1 Case-hardening steel and process for its production
09/15/1987US4693864 Powder metallurgy process for producing steel articles
09/15/1987CA1226737A1 High machinability steels fabrication process
09/02/1987EP0234099A2 Powder metallurgy high speed tool steel article and method of manufacture
09/01/1987US4690711 Sintered compact and process for producing same
09/01/1987US4690385 Method for storing and maintaining the temperature of molten metal
09/01/1987US4690320 Method of bonding porous metallic members and product made by the method
08/1987
08/19/1987CN85107495A Process for production of cast-iron particularly of cast-iron containing vermicular graphite
08/18/1987CA1225536A1 High efficiency reduction carburization
08/12/1987EP0232042A2 Cast or ductile iron inoculant
08/12/1987EP0231620A2 Permanent magnet manufacture from very low coercivity crystalline rare earth-transition metal-boron alloy
08/12/1987CN87100402A Inoculant for gray pig iron
08/11/1987US4686081 Method for addition of low-melting point metal
07/1987
07/29/1987CN87100348A Method for manufacture of mo-iron from mo ore
07/29/1987CN86108629A Manufacture of medium mn content anti-wear nodular cast iron
07/22/1987EP0229511A1 Powder metallurgical process for manufacturing copper-nickel-tin spinodal alloy articles
07/21/1987US4681734 Chromium-aluminum-iron alloy, atomizing