Patents for C22C 33 - Making ferrous alloys (11,268) |
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06/15/2005 | CN1206067C Method of controlling and monitoring composition of sintering atmosphere |
06/15/2005 | CN1206061C Method for increasing creep rate of compacted graphite cast iron by electromagnetic field |
06/14/2005 | US6905530 Metallic powder-molded body, re-compacted body of the molded body, sintered body produced from the re-compacted body, and processes for production thereof |
06/09/2005 | US20050123432 Method of producing powder metal parts |
06/08/2005 | EP1537929A1 Metal powder for powder metallurgy and iron-based sintered compact |
06/08/2005 | CN1624464A 磁共振成像扫描器 Magnetic resonance imaging scanner |
06/08/2005 | CN1624181A Strongtough high gilicon cast steel and its manufacturing method |
06/08/2005 | CN1624179A Dot graphite cast iron and its production method |
06/08/2005 | CN1624178A Preparation method of high hardness, corrosion-resistant alloy material |
06/02/2005 | US20050118053 Economical production of precision parts; higher density; uniformity; utilizing lubricant that liquifies under pressure and evaporates when heated |
06/01/2005 | EP1536028A2 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 |
06/01/2005 | EP1536027A1 Raw or granulated powder for sintering, and sintered compacts therefrom |
06/01/2005 | EP1199124B1 Lubricant for die lubrication and method for producing high density product of forming of iron base powder |
06/01/2005 | EP1117499B1 Warm compaction of steel powders |
06/01/2005 | CN1621551A Raw or granulated powder for sintering, and their sintered compacts |
06/01/2005 | CN1621550A Method for preparing specific squareness ratio nanocrystalline soft magnetic material without magnetic field treatment |
05/26/2005 | US20050112375 Metallurgical powder compositions and articles and methods utilizing the same |
05/26/2005 | US20050109431 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 |
05/26/2005 | US20050109157 Raw or granulated powder for sintering, and their sintered compacts |
05/25/2005 | CN2701872Y Hot metal desulfurization lance |
05/25/2005 | CN1202931C Manufacturing method of diffused alloy steel powder |
05/24/2005 | US6896847 Steel alloy plastic moulding tool and tough-hardened blank for plastic moulding tools |
05/19/2005 | US20050106057 Powder metallurgy; diamond tools |
05/19/2005 | US20050103161 Of high-tensile steel plate to produce good quality of cast iron; high tensile strength and ordinary steel plate or melted together, and a spheroiding agent is added, which contains no rare earth element but does contain bismuth |
05/18/2005 | CN1616700A Steel for processing movement limiting core stick of continuous tube grimper and its producing process |
05/18/2005 | CN1616699A Method of manufacturing oxide dispersion strengthened martensitic steel excellent in high-temperature strength |
05/18/2005 | CN1616698A High temperature wear resistant alloy |
05/18/2005 | CN1202537C Method of preparing samarium iron nitrogen permanent amgnet material using mechanical alloying |
05/18/2005 | CN1202272C Apparatus for producing low-carbon manganese-iron using manganese-rich slag |
05/12/2005 | US20050098238 Preparing multiple types of rare earth alloy materials including respective main phases having different HR mole fractions, mixing the alloy materials so that the sintered compact, permanent magnet |
05/11/2005 | CN1614070A Preparation for block amorphous nanometer crystal double-phase composite soft magnetic alloy |
05/11/2005 | CN1614043A Production of Si-Al-Fe alloy in 35000KVA mine heating furnace |
05/11/2005 | CN1201021C Method for producing sponge iron, and reduced iron powder and method for production thereof |
05/10/2005 | US6890971 Method for making radiation absorbing material (RAM) and devices including same |
05/10/2005 | US6890368 Selected from martensitic stainless steel containing particles of boron nitride, a cobalt based alloy containing particles of boron nitride and/or graphite, nickel or alloy containing particles of graphite; bushing, pivot, spindle |
05/06/2005 | WO2005040441A1 Improved wear resistant alloy |
05/06/2005 | CA2585499A1 Improved wear resistant alloy |
05/05/2005 | US20050095163 Production method for sintered component made of stainless steel with high corrosion resistance |
05/04/2005 | EP1528114A1 Free-cutting steel and fuel injection system component using the same |
05/04/2005 | EP1528113A1 Method for producing dispersed oxide reinforced ferritic steel having coarse grain structure and being excellent in high temperature creep strength |
05/04/2005 | EP1528112A1 Dispersed oxide reinforced martensitic steel excellent in high temperature strength and method for production thereof |
05/04/2005 | CN1611626A Free-cutting steel and fuel injection system component using the same |
05/04/2005 | CN1611614A Method for manufacturing tool die steel plate produced by converter |
05/04/2005 | CN1200131C Non-tempered superhigh carbon steel production |
05/04/2005 | CN1200128C Method for preparing Fe-6.5 wt% Si compound block material with plasticity deformability |
05/04/2005 | CN1199750C Metal sintered body composite material and method for reproducing the same |
04/28/2005 | WO2005038065A1 Fe-Al-C SINTERED ALLOY VALVE SHEET HAVING EXCELLENT OXIDATION RESISTANCE AT HIGH TEMPERATURE AND HIGH STRENGTH |
04/28/2005 | US20050089437 Free-cutting steel and fuel injection system component using the same |
04/28/2005 | CA2541855A1 Method for the manufacturing of sintered metal parts having a densified surface |
04/27/2005 | EP1370704B1 Process of production of a sintered ferrous material containing copper |
04/27/2005 | EP1200637B1 Powder metallurgy manufactured high speed steel |
04/27/2005 | CN1609257A Acicular constituent high strength weathering resistant steel and producing method thereof |
04/27/2005 | CN1609256A Powder metallurgy steel rolling guide roll and producing method thereof |
04/27/2005 | CN1609255A Process for producing rotary drill creeper tread material |
04/27/2005 | CN1608770A Casting method of iron casting with water-cooled copper mold |
04/27/2005 | CN1198952C Rare-earth alloy material, its preparing process and its application as cathode in electrolysis industry |
04/21/2005 | US20050084406 mixing powders or alloy powders with yttrium oxide powder to form a mixed powder, then alloying, solidifying by hot extrusion, heat treating and tempering to form heat resistant martensite steels |
04/21/2005 | US20050084405 Strengthening oxide dispersion and reducing oxygen content in steel, adjusting titanium amount, heating to react with Y2O3 and excess oxygen to form the complex oxide Y2Ti2O7 or Y2TiO5; alloying; irradiation resistance, finely dispersed and high density |
04/20/2005 | CN1197985C High-activity reduction agent for smelting iron alloy by electric oven |
04/13/2005 | EP1522601A2 Sintered component made of stainless steel with high corrosion resistance and production method therefor |
04/13/2005 | CN1606656A Gray cast iron for cylinder heads |
04/13/2005 | CN1605646A Aluminium killed steel deoxidizer - alfer |
04/13/2005 | CN1605633A Low-carbon steel molten-steel modifier |
04/07/2005 | WO2005031125A1 Valve sheet for engine |
04/07/2005 | US20050072955 Dimensional accuracy, strength; cracking and peeling resistance; transformer cores, choke coils, magnetic heads |
04/07/2005 | DE10341050A1 Cold saw blade for cutting seam-welded steel tubes comprises a toothed region partially made from a steel alloy and having a component produced by powder metallurgy |
04/06/2005 | EP1521276A2 Composite sintered magnetic material, its manufacturing method, and magnetic element using composite sintered magnetic material |
04/06/2005 | EP1520058A1 Steel alloys |
04/06/2005 | CN1603444A Multiplex rare-earth ferroalloy (RERAFe#-[2]) powder and method for preparing same |
04/06/2005 | CN1603441A Manufacturing processes of sintered alloy and oil-impregnated sintered bearing |
04/06/2005 | CN1195600C Method for producing rare-earth alloy magnetic powder shaping body and method for producing rare-earth magnet |
03/30/2005 | EP1385661A4 High machinability iron base sintered alloy for valve seat inserts |
03/30/2005 | EP1307603B1 Composition for elements having a high strength, in particular for hot wear and thermal fatigue, rolls coated with said composition |
03/30/2005 | CN1602367A Method for reuse of steel sheet scrap |
03/30/2005 | CN1601660A Permanent magnet alloy for medical imaging system and method of making |
03/30/2005 | CN1600885A Method for manufacturing continuous casting low carbon steel containing boron in small square billets |
03/30/2005 | CN1600884A Method for smelting boron steel directly from pig iron containing boron |
03/30/2005 | CN1600870A Method for producing nodular cast iron in high aluminum through melting in three-stage furnace |
03/30/2005 | CN1195079C Method for smelting stainless steel with waste steel by frequency-conversion electric induction furnace |
03/24/2005 | US20050063856 Forming a mixed powder of copper or copper alloy and iron powder of specified surface area and particle size into a green compact, and sintering to obtain a porous alloy |
03/24/2005 | US20050062572 Permanent magnet alloy for medical imaging system and method of making |
03/23/2005 | CN1598029A Technology for united producing rare earth calcium magnesium silicon iron alloy by mining hot furnace middle frequency induced electric furnace hot liquid |
03/23/2005 | CN1598028A Vanadium niobium nitrogen melt and its production process |
03/23/2005 | CN1598027A Alloy steel powder for powder metallurgy |
03/23/2005 | CN1598019A Production process for preparing vanadium iron containing nitrogen 80 by burning synthetic |
03/23/2005 | CN1597998A Process for producing steel containing alumium low carbon low ilicon by small square blank continuous caster |
03/23/2005 | CN1194108C Rare earth addition quantity optimization and control method of rare earth weather resistant steel |
03/23/2005 | CN1193844C Magnet material producing method, thin belt magnet material, powder magnet material and binded magnet |
03/16/2005 | EP1514947A1 Fabrication of a high-strength steel article with inclusion control during melting |
03/16/2005 | EP1513640A1 Prealloyed iron-based powder, a method of producing sintered components and a component |
03/16/2005 | EP1513639A1 Composition and process for warm compaction of stainless steel powders |
03/16/2005 | CN1594632A High magnetic induction wide temperature interval linear magnetic temperature compensating alloy and production process thereof |
03/16/2005 | CN1594630A Single blow magnesia mixture lance for hot metal desulfurization |
03/16/2005 | CN1594629A Magnesia mixture lance for hot metal desulfurization |
03/16/2005 | CN1594628A Magnesia mixture lance for hot metal pretreatment |
03/16/2005 | CN1594627A Single blow magnesia mixture lance for hot metal pretreatment |
03/16/2005 | CN1594626A Soft magnetic alloy smelting production method |
03/15/2005 | US6866816 Wear and corrosion resistant austenitic iron base alloy |
03/15/2005 | US6866726 Alloy of iron, manganese, nickel, carbon, silicon, phosphorus, sulfur, and magnesium; tensile strength, elongation |
03/10/2005 | WO2005021190A1 Iron-based sintered alloy and manufacturing method thereof |