| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 07/21/1987 | US4681629 Powder metallurgical process for manufacturing copper-nickel-tin spinodal alloy articles |
| 07/15/1987 | EP0228488A1 Metal bearing graphitic carbons |
| 07/15/1987 | CN86107676A Interdiffusion resistant fe-ni alloys having improved glass sealing |
| 07/15/1987 | CN86100140A Smelting method for lead treated steel |
| 07/14/1987 | US4680055 Metallothermic reduction of rare earth chlorides |
| 07/14/1987 | CA1224046A1 Process for preparing silicium-based complex ferroalloys |
| 07/07/1987 | US4678511 Piston coatings |
| 07/07/1987 | US4678510 Wear resistant iron powder article |
| 07/07/1987 | CA1223761A1 Iron-boron solid solution alloys having high saturation magnetization and low magnetostriction |
| 07/01/1987 | EP0227001A2 Method for manufacturing tools |
| 07/01/1987 | EP0226625A1 Sintered alloys based on high-speed steels |
| 06/30/1987 | US4676949 Method of producing metal sinters |
| 06/30/1987 | US4676831 Powder mixture containing talloil free of segregation |
| 06/25/1987 | DE3643756A1 Process for aftertreating molten cast iron |
| 06/16/1987 | US4673433 Low-alloy steel material, die blocks and other heavy forgings made thereof and a method to manufacture the material |
| 06/09/1987 | US4671930 High hardness and high toughness nitriding powder metallurgical high-speed steel |
| 06/09/1987 | US4671929 Increased amounts of silicon |
| 06/09/1987 | US4671491 High heat, wear and creep resistance |
| 06/03/1987 | EP0224263A2 Interdiffusion resistant Fe-Ni alloys having improved glass sealing |
| 06/02/1987 | US4670215 Process for forming a wear-resistant layer on a substrate |
| 06/02/1987 | CA1222375A1 Process for adding calcium to a bath of molten ferrous material |
| 05/26/1987 | CA1222151A1 Alloy steel powder for high strength sintered parts |
| 05/19/1987 | US4666516 Strontium, zirconium and/or titanium rich material |
| 05/19/1987 | US4666511 Injecting carbon dioxide |
| 05/13/1987 | EP0221468A2 Method of forming magnetostrictive rods from rare earth-iron alloys |
| 05/12/1987 | US4664706 Power metallurgy |
| 05/05/1987 | US4662939 Process and composition for improved corrosion resistance |
| 05/05/1987 | US4662937 Process for production of high-manganese iron alloy by smelting reduction |
| 04/29/1987 | CN85108041A Glass moulding material and its processing |
| 04/22/1987 | EP0219248A2 Processing of high temperature alloys |
| 04/22/1987 | EP0219230A1 Method of producing metal sinters |
| 04/14/1987 | US4657588 Magnesium treatment, desulfurization |
| 04/14/1987 | CA1220344A1 Treatment of ferromanganese |
| 04/07/1987 | US4655853 Method for making powder metal forging preforms of high-strength ferrous-base alloys |
| 04/02/1987 | DE3535037A1 Process for producing a pulverulent amorphous material by mechanical alloying |
| 03/25/1987 | EP0215168A1 Method for making rare-earth element containing permanent magnets |
| 03/25/1987 | CN85106684A Hot alumimized ferritic malleable cast iron-low temperature graphitization technique |
| 03/24/1987 | US4652307 Refining and/or alloying of a 3 percent to 6 percent carbon iron, cobalt, or nickel on a molten silver surface at temperatures 1000°C° C. producing an iron cobalt or nickel powder, or their alloys and a petroleum product |
| 03/18/1987 | EP0214725A1 High impact strength powder metal part and method for making same |
| 03/17/1987 | US4650290 Magneto-optical device |
| 03/12/1987 | WO1987001396A1 Case-hardening steel and process for its production |
| 03/10/1987 | US4648903 Valves for internal combustion engines |
| 03/04/1987 | EP0212435A2 A process for preparing hard, wear and/or corrosion resistant metallic alloys, as well as metallic alloys produced thereby |
| 03/04/1987 | CN85100772A Method of making large and medium steel moulds from blast-melted iron treated with trace rare-earths |
| 02/17/1987 | US4643765 High density |
| 02/11/1987 | CN86102674A Smelting cast technique in cupola furnace at high carburetting and strong reducing state |
| 02/10/1987 | US4642219 Bearing steel and method of manufacturing the same |
| 02/10/1987 | US4642135 Process for treating cast iron melts with silicon carbide |
| 02/03/1987 | US4640817 Dual-phase stainless steel with improved resistance to corrosion by nitric acid |
| 02/03/1987 | CA1217361A1 Alloy and process for producing ductile and compacted graphite cast irons |
| 01/29/1987 | WO1987000463A1 High impact strength powder metal part and method for making same |
| 01/27/1987 | US4638980 Apparatus and method for maintaining the temperature of molten metal |
| 01/21/1987 | EP0209132A1 Method for the production of a wear resistant part of a soil working tool |
| 01/20/1987 | CA1216939A1 Magneto-optical element on the basis of pt-mn-sb |
| 01/17/1987 | CN85102028A Process for the production of valve seat rings |
| 01/17/1987 | CN85101890A Process for producing worm-shape graphitic cast iron |
| 01/15/1987 | WO1987000207A1 Sintered alloys based on high-speed steels |
| 01/13/1987 | US4636353 Novel neodymium/iron alloys |
| 01/07/1987 | EP0207583A2 Amorphous metal alloy compositions and synthesis of same by solid state incorporation/reduction reactions |
| 12/31/1986 | CN86102705A Amorphous metal alloy compostions and synthesis of same by solid state incorporation/reduction reactions |
| 12/30/1986 | US4632074 Wear-resistant member for use in internal combustion engine and method for producing the same |
| 12/16/1986 | US4629506 Process for the production of ferrochromium |
| 12/16/1986 | US4629504 Steel materials for welded structures |
| 12/03/1986 | EP0203908A1 Cam to be shrink-fitted on a cam shaft, and process for manufacturing such a cam by sintering |
| 12/03/1986 | CN85104355A Process for producing nodular iron |
| 12/02/1986 | US4626464 Containing hard metal particles |
| 11/26/1986 | EP0202834A1 Permanent magnet alloy |
| 11/25/1986 | US4624702 Method of vaporizing additives in metal melts |
| 11/25/1986 | CA1214342A1 Cast iron alloy and method for producing same |
| 11/25/1986 | CA1214315A1 Process for treating silicon and ferrosilicon with slag |
| 11/20/1986 | EP0202035A1 Wear-resistant, sintered iron alloy and process for producing the same |
| 11/19/1986 | CN86101396A Apparatus and method for heat preservation of melted metal |
| 11/18/1986 | CA1214090A1 Amorphous press formed sections |
| 11/18/1986 | CA1214044A1 Processes for producing and casting ductile and compacted graphite cast irons |
| 11/05/1986 | EP0200691A1 Iron-based powder mixture for a sintered alloy |
| 11/05/1986 | EP0200079A1 Method of manufacturing a metallic article from an amorphous alloy |
| 10/29/1986 | EP0199050A1 Consolidated articles produced from heat treated amorphous bulk parts |
| 10/29/1986 | EP0097737B1 Powder metallurgy process for producing parts having high strength and hardness from si-mn or si-mn-c alloyed steel |
| 10/28/1986 | CA1213159A1 Alloy and process for producing and casting ductile and compacted graphite cast irons |
| 10/22/1986 | CN85103106A Niobiumslag alloying additive and its use in steel smelting |
| 10/21/1986 | US4618473 Iron powder article having improved toughness |
| 10/14/1986 | US4617052 Process for preparing a mother alloy for making amorphous metal |
| 10/14/1986 | CA1212562A1 Iron or steel powder, a process for its manufacture and press-sintered products made therefrom |
| 10/08/1986 | EP0196952A2 Process for obtaining a killed steel with a low nitrogen content |
| 10/07/1986 | US4615734 Solid particle erosion resistant coating utilizing titanium carbide, process for applying and article coated therewith |
| 09/30/1986 | US4614638 Supplying a reducing gas under reduced pressure; powder metallurgy |
| 09/30/1986 | US4614544 Forming, sintering and cryogenically cooling |
| 09/30/1986 | CA1211962A1 Method for producing a machinable high strength hot formed powdered ferrous base metal alloy |
| 09/23/1986 | US4613363 Submerged arc furnace |
| 09/17/1986 | CN85102174A Low temperature structural carbon steel |
| 09/16/1986 | US4612048 Dimensionally stable powder metal compositions |
| 09/16/1986 | US4612047 Preparations of rare earth-iron alloys by thermite reduction |
| 09/16/1986 | CA1211304A1 Sintered iron base friction material |
| 09/10/1986 | EP0193948A1 Device and process for keeping molten metals warm |
| 09/03/1986 | EP0192807A2 Process for manufacturing active briquettes rich in carbon |
| 09/02/1986 | US4609402 Melts, hollow tube molds, inert gas |
| 08/28/1986 | WO1986004841A1 Method in producing a molding of an iron alloy |
| 08/27/1986 | EP0192240A1 Method for addition of low-melting point metal to molten steel |
| 08/20/1986 | EP0051634B1 Infiltrated powdered metal composite article |
| 08/20/1986 | CN85100776A Semi-continuous casting nodular cast iron pipe mfg method |