Patents for C22C 33 - Making ferrous alloys (11,268)
09/2005
09/07/2005CN1664146A Feeding method for magnesium core spun yarn and device thereof
09/07/2005CN1664145A Process for producing oxide dispersion strengthening ferrite type alloy by using chemical dipping method
09/07/2005CN1664126A Complex deoxidizer and its application technology in smelting of 0Cr17Ni4Cu4Nb clean molten steel
09/07/2005CN1664124A Magnesium core spun yarn
09/07/2005CN1218059C Vermiculizer for disposing high sulfur melted iron in vermicular cast iron production
09/07/2005CN1218058C Boiling-less pressurized magnesium adding device and process for multicomponent alloy liquid under high silicon phase
09/07/2005CN1217760C Method for preparing silicon-iron coating type composite powder
09/01/2005DE19715708B4 Bei hoher Temperatur verschleißfeste Sinterlegierung At high temperature, wear resistant sintered alloy
08/2005
08/31/2005EP1568427A1 Fine composite metal particles and their production method, and magnetic beads
08/31/2005EP1485512A4 Bulk-solidifying high manganese non-ferromagnetic amorphous steel alloys and related method of using and making the same
08/31/2005CN1662328A Composition and process for warm compaction of stainless steel powders
08/31/2005CN1662327A Prealloyed iron-based powder, a method of producing sinteredcomponents and a component
08/31/2005CN1217017C Method for receiving metallic chromium from slag contg. chromium oxide
08/25/2005DE10236015B4 Gesinterte Legierung für einen Ventilsitz mit hervorragender Verschleißbeständigkeit und ein Verfahren zur Herstellung hierfür A sintered alloy for a valve seat excellent in wear resistance and a process for producing this
08/25/2005CA2556621A1 Hardfacing ferroalloy materials
08/24/2005EP1566459A2 Process for producing cast pieces of spheroidal graphite with high geometrical and dimensional precision and improved mechanical properties
08/24/2005EP1371434B1 Iron base rare earth alloy powder and compound comprising iron base rare earth alloy powder, and permanent magnet using the same
08/24/2005CN1659290A Hard metallic materials, hard metallic coatings, methods of processing metallic materials and methods of producing metallic coatings
08/24/2005CN1657936A Evaluation method for raw material for magnet
08/24/2005CN1657642A Ferro-aluminium-boron alloy and its production method
08/23/2005CA2156872C Powder metallurgy apparatus and process using electrostatic die wall lubrication
08/18/2005US20050181202 Magnetic metal core with a particle size of 10 mu m or less coated with carbon and/or boron nitride or by Si, V, Ti, Al, Nb, Zr or Cr and overcoated with gold; useful for magnetic recording media and beads for extracting and separating DNA, protein components, cells, etc.
08/18/2005US20050178482 Heavy wall steel material having superior weldability and method for producing the same
08/18/2005US20050178473 Sintering a mixture of intermetallics in presence of argon and small amount oxygen and hydrogen, by controlling oxygen content to reduce the releasing pressure without using a lubricant
08/17/2005EP1242207B1 Powder composition comprising aggregates of iron powder and additives and a flow agent and a process for its preparation
08/17/2005EP1198605B1 Methods of forming steel
08/17/2005CN1655895A Metal powder for powder metallurgy and iron-based sintered compact
08/17/2005CN1215186C Powder stainless steel reinforcing and sintering method
08/10/2005EP1562203A1 R-t-b sintered magnet and process for producing the same
08/10/2005EP1561832A1 Method to make sinter-hardened powder metal parts with complex shapes
08/10/2005EP1560940A2 High temperature alloys
08/10/2005CN2716278Y Anti-skid rare earth alloy cladded wire for making steel
08/10/2005CN1653201A Method for production and forming of cast pieces of spheroidal graphite with improved mechanical properties
08/10/2005CN1651588A Manufacturing method of ferrocarbon
08/10/2005CN1214126C Method for vacuum induction smelting high-chrome super-purity ferrite stainless steel
08/04/2005WO2005071124A1 Powder metal mixture including micronized starch
08/04/2005WO2005053883A3 Infiltrating a powder metal skeleton by a similar alloy with depressed melting point exploiting a persistent liquid phase at equilibrium, suitable for fabricating steel parts
08/04/2005US20050166709 having iron powder as its principal component and containing indium soap powder; for molding into a compact and for sintering to produce a sintered body having indium dispersed evenly therein
08/03/2005EP1558776A2 High temperature resistant alloys
08/03/2005EP1558416A1 Tool steels and method of rapid tooling by spray forming
08/03/2005CN2714580Y Molten iron desulphurization spray gun by injecting magnesium
08/03/2005CN1648265A Method for producing magnetostrictive material
08/03/2005CN1647874A Method to make sinter-hardened powder metal parts with complex shapes
08/02/2005US6923900 Alloy pipes and methods of making same
07/2005
07/28/2005WO2005068673A1 Chrome composite materials
07/28/2005US20050163645 metallurgical powder of iron, carbon, chromium, copper, molybdenum, nickel, manganese, silicon; compacting, presintering, profile grinding, sinter furnace hardening; predominantly Pearlite, Ferrite+Pearlite, or Bainite microstructures; detailed surface geometry of two rows of teeth with a groove between
07/28/2005US20050161122 Iron boron silicon-based, with high glass forming ability, specified supercooled-liquid temperature interval, a reduced glass-transition temperature and a high saturation magnetization
07/28/2005DE19803084B4 Verwendung von Stahlpulver auf der Basis Fe-Cr-Si für korrosionsbeständige Beschichtungen Use of steel powders based Fe-Cr-Si for corrosion-resistant coatings
07/27/2005CN1646718A Bulk-solidifying high manganese non-ferromagnetic amorphous steel alloys and related method of using and making the same
07/27/2005CN1646713A Pre-alloyed bond powders
07/27/2005CN1644747A Production of double metal composite material of rail frog
07/27/2005CN1212416C Vanadium nitrogen microalloy additive and its preparing method
07/27/2005CN1212415C Method for smelting boron-silicon-Fe
07/27/2005CN1212414C Process for preparing steel-base composite reinforced by particles generated in-situ locally
07/21/2005US20050158571 Contact material, composite sintered contact component and method of producing same
07/20/2005EP1555332A1 Nano-crystal austenitic steel bulk material having ultra-hardness and toughness and excellent corrosion resistance, and method for production thereof
07/20/2005EP1554411A1 Alloy containing rare earth element, production method thereof, magnetostrictive device, and magnetic refrigerant material
07/20/2005EP1554071A1 Method of preparing iron-based components by compaction with elevated pressures
07/20/2005EP1554070A1 Iron-based powder composition including a silane lubricant
07/20/2005EP1492897B1 Pre-alloyed bond powders
07/20/2005CN1211495C Method for smelting chromium alloy-contg. melted iron with powder ore cooled agglomerated pellet containing carbon and chromium
07/19/2005US6918945 Method for producing sponge iron, and reduced iron powder and method for production thereof
07/13/2005EP1553196A1 Ferronickel and process for producing raw material for ferronickel smelting
07/13/2005EP1552027A1 Hard metallic materials,hard metallic coatings, methods of processing metallic materials and methods of producing metallic coatings
07/13/2005CN1639370A Method for producing dispersed oxide reinforced ferritic steel having coarse grain structure and being excellent in high temperature creep strength
07/13/2005CN1639369A Dispersed oxide reinforced martensitic steel excellent in high temperature strength and method for production thereof
07/13/2005CN1637962A Composite sintered magnetic material, its manufacturing method, and magnetic element using composite sintered magnetic material
07/13/2005CN1210426C Process for producing rare earth magnesium-silicon-iron alloy in twin ore heating furnace and induction furnace and through pressurized magnesium addition
07/13/2005CN1210418C Process for producing permanent magnet
07/12/2005US6916385 Method of manufacturing magnet materials, and ribbon-shaped magnet materials, powdered magnet materials and bonded magnets
07/07/2005WO2005061157A1 Iron-based powder composition comprising a combination of binder-lubricants and preparation of the powder composition
07/07/2005US20050145483 Apparatus for making particulates of controlled dimension
07/06/2005EP1550734A1 Stainless steel powder for high temperature applications
07/06/2005CN1209468C Process for utilizing waste smelting dregs of rare-earth ferrosilicon
06/2005
06/30/2005US20050142025 contacting compacts near eutectic solidus powder with an infiltrant iron alloy near eutectic liquidus, then heating to infiltrate the liquid into the compact
06/30/2005US20050139039 Metallurgical composition for making compacted parts; an iron or iron-based powder and an alloying element powder coated with a binding/lubricating combination of polyethylene wax and ethylene bis-stearamide; low segregation, low dusting, good flow and high apparent density, good lubricating
06/29/2005EP1548148A1 Iron silicide sputtering target and method for production thereof
06/29/2005EP1546425A2 Method for producing a moulded body from sintered steel
06/29/2005CN1208788C Magnet powder and isotropic rare-earth adhesive magnet
06/23/2005WO2005056855A1 Methods of preparing high density powder metallurgy parts by iron based infiltration
06/23/2005WO2004072313A3 Formation of metallic thermal barrier alloys
06/23/2005US20050133117 Rare earth magnet and method therefor
06/23/2005US20050132843 Chrome composite materials
06/23/2005US20050132842 Alloy powder for forming hard phase and ferriferous mixed powder using the same, and manufacturing method for wear resistant sintered alloy and wear resistant sintered alloy
06/22/2005CN1207420C Alloy steel, holders and holder details for plastic moulding tools
06/16/2005WO2005054531A1 Martensitic chromium-nitrogen steel and its use
06/16/2005WO2005053883A2 Infiltrating a powder metal skeleton by a similar alloy with depressed melting point exploiting a persistent liquid phase at equilibrium, suitable for fabricating steel parts
06/16/2005WO2005053882A2 Process for complex transient liquid phase sintering of powder metal
06/16/2005WO2005053881A2 Metallurgical powder compositions and articles and methods utilizing the same
06/16/2005US20050129563 Stainless steel powder for high temperature applications
06/16/2005CA2546485A1 Infiltrating a powder metal skeleton by a similar alloy with depressed melting point exploiting a persistent liquid phase at equilibrium, suitable for fabricating steel parts
06/15/2005EP1541263A1 Sliding part and method of manufacturing the sliding part
06/15/2005EP1541262A1 Iron-based sintered compact and method for production thereof
06/15/2005EP1042090A4 Method of manufacturing aluminide sheet by thermomechanical processing of aluminide powders
06/15/2005CN1628182A Sinter magnet made from rare earth-iron-boron alloy powder for magnet
06/15/2005CN1626694A Method for producing pearlitic cast iron
06/15/2005CN1626298A Stainless steel powder for high temperature applications
06/15/2005CN1206375C Gas protection process for feeding alloy wire into molten steel and its equipment
06/15/2005CN1206374C Porous agglomerates containning iron and at least one further element from groups 5 or 6 of the periodic table for use as alloying agent
06/15/2005CN1206068C Stainless steel powder hot pressing shaping method
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