Patents for C22C 33 - Making ferrous alloys (11,268)
07/2002
07/03/2002EP1218131A1 Improved metal-based powder compositions containing silicon carbide as an alloying powder
07/03/2002EP0682576B1 Sponge-iron powder
07/03/2002CN1357055A Method for receiving metallic chromium from slag contg. chromium oxide
07/02/2002US6413649 Silver-copper-nickel infiltration brazing filler metal and composites made therefrom
06/2002
06/27/2002US20020079188 Gray cast iron alloy for a friction element of a friction clutch and a friction element for a friction clutch
06/27/2002DE19655210C2 Powdered mixture for the manufacture of a sintered iron alloy
06/26/2002EP1216312A1 Process for manufacturing corrosion resistant composite metal products
06/26/2002CN1355874A IVI component
06/26/2002CN1355855A Powder metallurgy manufactured high speed steel
06/26/2002CN1355326A Technology and apparatus for producing low-MgO ferrosilicon
06/25/2002US6409793 Method for processing steel slags containing chromium
06/25/2002CA2056501C Sintered metal bodies and manufacturing method therefor
06/20/2002WO2002048568A1 Compacted graphite iron brake drum
06/20/2002WO2002048418A1 Steel alloy, holders and holder details for plastic moulding tools, and tough hardened blanks for holders and holder details
06/20/2002US20020073803 For use in producing compacted parts
06/19/2002EP1215366A2 Turbomachine blade
06/19/2002EP1214720A1 BORON-LOW Nd-Fe-B ALLOY AND METHOD FOR PRODUCING PERMANENT MAGNETS ON THE BASIS OF SAID ALLOY
06/18/2002US6406559 Magnetic material and manufacturing method thereof, and bonded magnet using the same
06/12/2002CN1353208A High-Mg Inoculated core agent of composite cored wire
06/12/2002CN1353207A Technology for smelting rare-earth-Mg-Si-Fe alloy by ore roaster and MF electric furnace
06/11/2002US6401799 Method of manufacturing magnet material, ribbon-shaped magnet material, magnetic powder and bonded magnet
05/2002
05/30/2002US20020064475 Wear resistance
05/29/2002CN1351674A Nickel-pour austenitic steel
05/29/2002CN1085794C Composite metal powder for sintered bearing, and sintered oil retaining bearing
05/29/2002CN1085741C Heating furnace tube, method of using same, and method of mfg. same
05/28/2002US6395107 Cast iron for use in high speed machining with cubic boron nitride and silicon nitride tools
05/28/2002US6395058 Magnesium particles are injected into a ferrous alloy by a lance to alloy desired amount of magensium in the ferro alloy, the melting of the magnesium in the transport pipe is inhibited by mixing it with high temperature melting particle
05/28/2002CA2241614C Cast iron inoculant and method for production of cast iron inoculant
05/22/2002EP1206586A1 Metal matrix composite especially intended for piston rings
05/22/2002EP1066128B1 Metal powders obtained from residue of material removal processes on iron parts produced by chill casting
05/22/2002EP0965653B1 VALVE SEAT MADE OF Fe-BASE SINTERED ALLOY EXCELLENT IN WEAR RESISTANCE
05/22/2002CN1350598A Resistance-heating element
05/22/2002CN1350069A High-strength crankshaft of alloy and nodular cast iron and its production process
05/22/2002CN1085256C Cast iron inoculant and mehtod for production of cast iron inoculant
05/21/2002US6391083 Iron powder, graphite powder with copper powder
05/16/2002WO2002038315A1 High density products and method for the preparation thereof
05/16/2002WO2002038314A1 Mixture for powder metallurgy product and method for producing the same
05/16/2002US20020057982 RE-Fe-B alloy; oxygen content of 50-4000 wt. ppm; nitrogen content of 150-1500 wt. ppm; impregnated with an oil agent and then sintered.
05/16/2002US20020056185 Residuum rare earth magnet
05/15/2002EP1204827A2 Ivt component
05/15/2002EP1204777A1 Iron-graphite composite powders and sintered articles produced therefrom
05/15/2002CN2491460Y Spheriodized ladle
05/15/2002CN1349001A Method and equipment for preparing composite reinforced heat resisting steel with carbide particle
05/15/2002CN1084650C Process for prepn. of iron-based powder
05/09/2002US20020053375 Fractional variation to improve bulk metallic glass forming capability
05/08/2002CN1348054A Engine valve guide tube of composite powder metallurgy material and its manufacture
05/08/2002CN1084393C Iron aluminium metal compound using as electrical resistance heating element
05/02/2002US20020051727 FeCrAI alloy
05/02/2002US20020051725 Compacting iron-containing powder and graphite, sintering, compressing, and extruding; crack resistance; for producing pinion shaft used in an automotive vehicle
05/02/2002EP1201338A2 Method of sintering and forging raw material
05/02/2002EP1200637A1 Powder metallurgy manufactured high speed steel
05/01/2002CN1083901C High-efficiency creeping agent for producing creep graphite cast iron
04/2002
04/25/2002US20020048526 Iron-based sintered powder metal body, manufacturing method thereof and manufacturing method of iron-based sintered component with high strength and high density
04/24/2002EP1199124A1 Lubricant for die lubrication and method for producing high density product of forming of iron base powder
04/24/2002EP1198605A2 Methods of forming steel
04/24/2002EP1198604A1 Nickel-poor austenitic steel
04/24/2002EP1198601A1 Sintered steel material
04/24/2002EP1198600A1 Resistance-heating element
04/24/2002EP1198317A1 Improved method of making powder metallurgical compositions
04/24/2002CN1083493C Technology for manufacturing iron-or steel-base composite material
04/23/2002US6377049 Removing extraneous elements from rare earth ore to leave elements ce, pr, and nd therein; selectively stripping from said ore a portion of said element nd; alloying said residuum with a transition metal; forming alloy into mixed re magnet
04/23/2002US6376063 Making particulates of controlled dimensions by electroplating
04/23/2002US6375709 For warm compaction of iron-based powder; aromatic or partly aromatic polyester
04/23/2002US6375705 Oxide-dispersion strengthening of porous powder metalurgy parts
04/18/2002WO2002030595A1 Process for producing, through strip casting, raw alloy for nanocomposite type permanent magnet
04/18/2002WO2001049438A3 Powder metallurgy produced press-sinter shaped part
04/18/2002US20020043131 Iron-based powder suitable for use in high strength sintered components; can undergo recompaction under light load
04/18/2002DE10049598A1 Production of a cast iron material used e.g. in the production of piston rings comprises forming a melt, producing a blank with a white cast structure, and holding the blank
04/17/2002EP0653262B1 Alloy steel powder for sinter with high strength, high fatigue strength and high toughness, sinter, and process for producing the sinter
04/17/2002CN1344815A Fire-retardant inoculant composition and its prepn
04/17/2002CN1344814A Iron-base sintered powder metal body, its manufacture and manufacture of high-strength high-density iron-base sintering assembly
04/16/2002US6372014 Magnesium injection agent for ferrous metal
04/11/2002WO2000068139A9 Composite materials for membrane reactors
04/10/2002EP1195213A1 Iron-based powders for powder metallurgy
04/10/2002EP1194605A1 Nickel-poor austenitic steel
04/10/2002EP1194597A1 Method for recovering metallic chromium from slag containing chromium oxide
04/10/2002CN1343798A Centrifugal casting technology for manufacturing cold drawn seamless pipe of ultralow-carbon dual-phase stainless steel
04/09/2002US6368423 Pressing powder of amorphous magnetically soft alloy, glass having softening point lower than crystallization starting temperature of alloy, and binding resin to prepare preformed body, firing
04/04/2002DE10142645A1 Material für Ventilführungen Material for valve guides
04/03/2002EP1192290A1 h-BN MODIFIED P/M STAINLESS STEELS
04/03/2002CN1343151A Blank for gunbarrel, method for producing said gunbarrel and gunbarrel
04/03/2002CN1342780A Alloy steel powder for powder metallurgy
04/02/2002US6365095 Warm compaction of steel powders
04/02/2002US6364927 Metal-based powder compositions containing silicon carbide as an alloying powder
03/2002
03/28/2002US20020037433 Particulates of controlled dimension
03/28/2002US20020036033 Microalloying additions of elements with strong affinity for nitrogen, carbon and oxygen to the iron to obtain cast iron forming nitride, carbide, oxide, suppresses chemical wear at cutting edge of cubic silicon nitride and boron nitride
03/27/2002CN1341768A Production process of high-purity silicon iron
03/21/2002WO2002022903A1 Iron base mixed powder for high strength sintered parts
03/21/2002DE10045290A1 Production of sintered metal part e.g. cam involves pressing powder mixture, pre-sintering, fine contour pressing, sintering and carburizing in carbon-containing atmosphere
03/20/2002EP1189244A2 Rare earth magnet and method for manufacturing the same
03/19/2002US6358298 Iron-graphite composite powders and sintered articles produced therefrom
03/14/2002WO2002020197A1 Fecral-alloy for the use as electrical heating elements
03/14/2002US20020029823 Method of preparing magnetostrictive material in microgravity environment
03/14/2002US20020029657 Die filling property, compressibility, machinability
03/13/2002EP1186364A1 Method of preparing magnetostrictive material in microgravity environment
03/13/2002EP1185719A1 Spray-deposited steel, method for the production of the same and a composite substance
03/13/2002EP0990056B1 Pre-alloyed copper containing powder, and its use in the manufac ture of diamond tools
03/12/2002US6355087 Monitoring
03/07/2002US20020028334 High strength; alloy containing iron, cobalt and rare earth element
03/07/2002US20020027218 Copper infiltrated ferro-phosphorous powder metal
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