| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 07/07/2004 | CN1156594C Method for producing high-purity silicon iron |
| 07/06/2004 | US6758882 Containing mo as a powder partially diffused and bonded to a surface of the iron-based mn-containing powder particles. |
| 07/06/2004 | CA2165087C Process for preparing a powder mixture and its use |
| 07/01/2004 | US20040123698 Contact material, composite sintered contact component and method of producing same |
| 07/01/2004 | US20040123697 Method of preparing iron-based components |
| 06/29/2004 | US6756118 Powdered metal composite material and starting material and method for producing such a composite material |
| 06/23/2004 | CN1507636A R-T-B-C based rare earth magnetic powder and bonded magnet |
| 06/23/2004 | CN1506488A Wear-resisting metal material for making piston ring |
| 06/23/2004 | CN1506486A High-strength nodular cast iron alloy material for crankshaft and its production process |
| 06/23/2004 | CN1506485A High-strength nodular cast iron alloy material for crankshaft and its production process |
| 06/23/2004 | CN1506484A Color antirust iron and steel without paint |
| 06/17/2004 | US20040115084 Method of producing powder metal parts |
| 06/17/2004 | US20040112173 Copper improves machinability and also improves the thermal conductivity of the sintered article; powder metallurgy |
| 06/15/2004 | US6749700 Ejection melt onto cooling roll; supplying carbon dioxide; grinding |
| 06/15/2004 | US6749662 Providing source of molten steel having an initial carbon content; atomization to produce spheroidal pellets; annealing pellets in decarburizing atmosphere to decrease the carbon content in surface layer; cooling pellets |
| 06/09/2004 | EP1003922B1 High-strength, notch-ductile precipitation-hardening stainless steel alloy |
| 06/09/2004 | DE10321521B3 Oil pump used in the production of molded parts comprises a housing made from aluminum containing moving molded parts partially made from a sinterable material consisting of an austenitic iron-base alloy |
| 06/09/2004 | CN1503708A High mechinability iron base sintered alloy for valve seat inserts |
| 06/09/2004 | CN1153232C Method for making rareearth permanent magnet material by discharge plasma sintering |
| 06/03/2004 | WO2002070769A8 Steel article |
| 06/03/2004 | US20040103753 Hard particle, wear-resistant iron-base sintered alloy, method of manufacturing the same, and a valve seat |
| 06/03/2004 | DE10348615A1 Production of soft-magnetic powder cores useful for making magnetic field-generating elements comprises using a resin powder with both lubricant and binder functions |
| 06/03/2004 | DE10252240A1 Ferrite-type spheroidal graphite cast iron for exhaust components of motor vehicle, contains carbon, silicon, molybdenum, vanadium, manganese, magnesium and iron |
| 06/02/2004 | EP1117845B1 Method for the production of a bulk of molten metal, a metallurgical product, and use of such a product |
| 06/02/2004 | CN1152393C Method for preparing permanent-magnet material |
| 06/02/2004 | CN1152145C Moisture proof active lime composite desulfurizing agent |
| 06/01/2004 | CA2131652C Sulfur-containing powder-metallurgy tool steel article |
| 06/01/2004 | CA2061763C Prealloyed high-vanadium, cold work tool steel particles and method for producing the same |
| 05/27/2004 | WO2004043633A1 Fe-Si ALLOY POWDER CORES AND FABRICATION PROCESS THEREOF |
| 05/27/2004 | WO2004015723A3 Nanocrystalline and nanocomposite rare earth permanent magnet materials and method of making the same |
| 05/27/2004 | WO2002058865A8 Compressed and heat treated soft magnetic iron-based powder alloys |
| 05/27/2004 | US20040101430 Steel alloy plastic moulding tool and tough-hardened blank for plastic moulding tools |
| 05/27/2004 | DE10295875T5 Gepresste und wärmebehandelte weichmagnetische Pulverlegierung auf Eisenbasis Pressed and heat treated soft magnetic iron-based alloy powder |
| 05/27/2004 | DE10253577A1 Production of a dispersion-hardened iron material used in the iron and steel industry comprises mixing a powder having a specified particle diameter with an iron melt |
| 05/26/2004 | EP1216312B1 Process for manufacturing corrosion resistant composite metal products |
| 05/26/2004 | CN1499543A Method for producing soft magnetic material |
| 05/26/2004 | CN1498726A Grinding material, its mfg. method and mfg. appts. |
| 05/26/2004 | CN1151516C Nano composite permanent magnetic RE alloy and its prepn. |
| 05/26/2004 | CN1151303C Adhesive free thermal-pressing powder and its usage |
| 05/26/2004 | CN1151302C Sintering hardened ferrous based powder metallurgical composite material and preparation method thereof |
| 05/26/2004 | CN1151300C Rare earth metal filament core-spun wire |
| 05/26/2004 | CN1151285C Molten iron desulfurizing process using magnesium grains outside furnace |
| 05/21/2004 | WO2004042101A2 High temperature alloys |
| 05/21/2004 | WO2004042100A2 High temperature resistant alloys |
| 05/21/2004 | CA2504937A1 Tube made from high temperature alloys |
| 05/20/2004 | US20040094239 Having excellent wear resistance, good corrosion resistance, hardenability, and tempering resistance as well as adequate toughness |
| 05/20/2004 | US20040093802 Abrasive, and abrasive manufacturing method and device |
| 05/19/2004 | EP0921880B1 Process and apparatus for producing metallic glass |
| 05/19/2004 | CN1497617A Sintered R-Fe-B series permanent magnet and its manufacturing method |
| 05/19/2004 | CN1497056A Production method of iron base sintered alloy valve seat |
| 05/19/2004 | CN1497054A Refining method of chromium containing fused metal |
| 05/18/2004 | US6737186 Current collector for SOFC fuel cells |
| 05/13/2004 | US20040091383 Ferrite-based spheroidal graphite cast iron containing the following elements in the following contents in % by weight: C: 3.1 to 4.0%; Si: 3.6 to 4. 6%; Mo: 0.3 to 1.0%; V: 0.1 to 1.0%; Mn: 0.15 to 1.6%; and Mg: 0.02 to 0.10%, and the total |
| 05/13/2004 | US20040089377 High-strength high-temperature creep-resistant iron-cobalt alloys for soft magnetic applications |
| 05/13/2004 | DE10349594A1 Verfahren zur Herstellung eines weichmagnetischen Materials A process for producing a soft magnetic material |
| 05/13/2004 | DE10250432A1 Verfahren zum mechanischen Ausformen von Hinterlegungen an Sinterformteilen auf Eisenbasis Method of mechanically forming of deposits on sintered components based on iron |
| 05/12/2004 | EP1418249A1 Hard particle, wear-resistant iron-base sintered alloy, method of manufacturing the same, and valve seat |
| 05/12/2004 | EP1360340A4 Iron-cobalt-vanadium alloy |
| 05/12/2004 | CN1495281A Application of low-nickel austenite steel |
| 05/11/2004 | CA2155841C Sponge-iron powder |
| 05/06/2004 | WO2004038055A1 Alloy containing rare earth element, production method thereof, magnetostrictive device, and magnetic refrigerant material |
| 05/06/2004 | WO2004038054A1 A method of controlling the dimensional change when sintering an iron-based power mixture |
| 05/06/2004 | WO2004037468A1 Method of preparing iron-based components by compaction with elevated pressures |
| 05/06/2004 | WO2004037467A1 Iron-based powder composition including a silane lubricant |
| 05/06/2004 | US20040086413 Process for mechanically forming undercuts on sintered shaped parts based on iron |
| 05/06/2004 | US20040086412 Low iron loss, high density, high strength; surface oxidation step of forming an oxide film on the surface of a soft magnetic powder before sintering |
| 05/06/2004 | DE19908208B4 Motorenbauteil mit Legierungsbeschichtung und seine Verwendung Engine component with alloy coating and its use |
| 05/05/2004 | CN1494722A Isotropic rare earth material of high intrinsic induction |
| 04/29/2004 | WO2004035847A1 Ferronickel and process for producing raw material for ferronickel smelting |
| 04/29/2004 | WO2004035250A1 Tool steels and method of rapid tooling by spray forming |
| 04/29/2004 | US20040079450 Nodular graphite cast iron with high strength and high toughness |
| 04/29/2004 | US20040079449 Alloying mixture of metals; cooling |
| 04/28/2004 | EP1412549A1 Bundle drawn stainless steel fibers |
| 04/28/2004 | CN1492939A Steel article |
| 04/28/2004 | CN1147608C Production process of trace-level high-purity silicoferrite |
| 04/28/2004 | CN1147607C High-frequency induction heating method for fusing-casting Tb-Dy-Fe rod material |
| 04/28/2004 | CN1147373C Method for preparing guide plate for rolling steel |
| 04/21/2004 | EP1411532A1 R-t-b-c based rare earth magnetic powder and bonded magnet |
| 04/21/2004 | EP1409755A1 Iron-base alloy containing chromium-tungsten carbide and a method of producing it |
| 04/21/2004 | EP1360704A4 Isotropic rare earth material of high intrinsic induction |
| 04/21/2004 | EP1113893B1 Process for debinding and sintering metal injection molded parts made with an aqueous binder |
| 04/21/2004 | EP0946774B1 Iron-based powder |
| 04/21/2004 | CN1490425A Smelting manufacturing method for high temperature ferric alloy |
| 04/21/2004 | CN1146926C Soft magnetic alloy powder for electromagnetic and magnetic shield, and shielding members containing the same |
| 04/20/2004 | US6723180 Simple to produce; breakage and cracking resistance |
| 04/15/2004 | WO2004031429A1 High-precision sintered cam lobe material |
| 04/15/2004 | WO2004031427A2 Method for producing a moulded body from sintered steel |
| 04/15/2004 | US20040071584 Spheroidal cast iron particularly for piston rings and method for obtaining a spheroidal cast iron |
| 04/15/2004 | US20040071580 Method for producing oxide dispersion strengthened ferritic steel tube |
| 04/15/2004 | US20040069094 Base matrix phase containing a hard particle dispersed at 5 to 40% by area ratio, a porosity is 12 to 25% by volume ratio, and a density after sintering is 6.1 to 6.9 g/cm3. |
| 04/14/2004 | EP1408128A1 Method for producing oxide dispersion strengthened ferritic steel tube |
| 04/14/2004 | EP1246949A4 Improved metallurgical powder compositions and methods of making and using the same |
| 04/14/2004 | CN1488459A Method for increasing creep rate of compacted graphite cast iron by electromagnetic field |
| 04/08/2004 | WO2004029312A1 Nano-crystal austenitic steel bulk material having ultra-hardness and toughness and excellent corrosion resistance, and method for production thereof |
| 04/08/2004 | DE10064056B4 Verfahren zur Herstellung eines Sinterkörpers aus Gußeisen mit hoher Härte und hohem Chromgehalt A process for producing a sintered body of cast iron having high hardness and high chromium |
| 04/07/2004 | EP1405929A1 Production process for Fe-based sintered alloy valve seat |
| 04/07/2004 | EP1405928A1 SINTERED ALLOY, METHOD FOR PRODUCTION THEREOF AND VALVE SHEET |
| 04/07/2004 | EP1405924A1 Method for producing granular metal |
| 04/07/2004 | EP1404887A1 High temperature oxidation resistant ductile iron |
| 04/07/2004 | EP1404884A2 Improved metal frame for electronic hardware and flat panel displays |