| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 04/07/2004 | EP1404473A1 Method of preparation of high density soft magnetic products |
| 04/07/2004 | CN1488006A Sintered ferrous material containing copper |
| 04/07/2004 | CN1144894C Nickel-poor Austenitic steel for power injection moulding and its application |
| 04/07/2004 | CN1144884C Steel thick-wall material with excellent weldability and its mfg. method |
| 04/01/2004 | US20040062674 High density stainless steel products and method for the preparation thereof |
| 04/01/2004 | US20040060391 Stainless steel powder intermixed with boron nitride powder for enhanced machinability of sintered powder metal parts |
| 03/31/2004 | CN2608515Y Production equipment of low carbon manganese iron |
| 03/31/2004 | CN1143902C Powder metallurgy manufactured high speed steel |
| 03/30/2004 | US6712873 Composition for warm compaction of water atomized standard stainless steel powder including iron and chromium, optional alloying elements and inevitable impurities, and lubricant |
| 03/30/2004 | US6712872 Heat and wear resistance; valve for internal combustion engines |
| 03/30/2004 | US6712871 Sintered alloy for valve seat having excellent wear resistance and method for producing the same |
| 03/25/2004 | WO2004024977A1 Iron silicide sputtering target and method for production thereof |
| 03/25/2004 | WO2004024968A1 Method for producing dispersed oxide reinforced ferritic steel having coarse grain structure and being excellent in high temperature creep strength |
| 03/25/2004 | WO2004024375A1 Iron-based sintered compact and method for production thereof |
| 03/25/2004 | WO2004024372A1 Metal powder for powder metallurgy and iron-based sintered compact |
| 03/24/2004 | CN1484837A Nanocomposite magnet |
| 03/18/2004 | WO2004022791A1 Method for production of ductile iron |
| 03/18/2004 | US20040051614 Nanocomposite magnet |
| 03/18/2004 | US20040050458 Fractional variation to improve bulk metallic glass forming capability |
| 03/17/2004 | EP1398391A2 Iron-graphite composite powders and sintered articles produced therefrom |
| 03/17/2004 | EP1397524A1 Cold work steel |
| 03/17/2004 | CN1482952A Iron base rare earth alloy powder and compound comprising iron base rare earth alloy powder, and permanent magnet using the same |
| 03/17/2004 | CN1482270A Rare earth-silicon alloy producing process using carbon reduction method |
| 03/17/2004 | CN1482269A Production method iron-base composite material and hard metal using high current |
| 03/17/2004 | CN1481956A Powder additive for powder metallurgy, iron-based powder mixture for powder metallurgy, and method for manufacturing the same |
| 03/17/2004 | CN1142560C Multielement gap type permanent-magnet material and production process of magnetic powder and magnet |
| 03/16/2004 | US6706416 Process for manufacturing corrosion resistant composite metal products |
| 03/16/2004 | US6705848 Powder metal scrolls |
| 03/11/2004 | WO2004020129A1 Sliding part and method of manufacturing the sliding part |
| 03/11/2004 | DE10310572A1 Permanentmagnet und Motor Permanent magnet motor, and |
| 03/10/2004 | EP1395383A1 High density stainless steel products and method for the preparation thereof |
| 03/10/2004 | CN1480548A Vanadium nitrogen microalloy additive and its preparing method |
| 03/10/2004 | CN1480280A Method for preparing stainless steel powder containing nitrogen by using mechanical alloying |
| 03/09/2004 | US6702870 Slurrying magnetite and silica in water and polyvinyl alcohol, then spray drying to from microstructure particles and reducing in hydrogen to form reaction products containing iron, silicon and oxygen, having remanence |
| 03/04/2004 | US20040042925 Pretreating ladle with iron, magnesium, silicon alloy; supplying iron melt |
| 03/03/2004 | EP1393840A1 Wear resistant part and method of producing it |
| 03/03/2004 | EP1392468A2 Welding supports made from composite material |
| 03/03/2004 | EP1165850B1 Method for predicting the microstructure of solidifying cast iron |
| 03/03/2004 | EP1141431B1 Method for determining the needed amount of structure modifying agent to be added to cast iron |
| 03/03/2004 | CN1479326A Method of preparing samarium iron nitrogen permanent amgnet material using mechanical alloying |
| 03/03/2004 | CN1140645C Technology and apparatus for producing low MgO ferrosilicon |
| 03/02/2004 | US6699579 Electroplating a uniformly thick layer of metal, including the iron, cobalt, or both to make a metal magnetic, onto a cathode from electrolyte, separating the layer from electrolyte to define flakes in the electrolyte having specific size |
| 03/02/2004 | CA2131651C Martensitic hot work tool steel die block article and method of manufacture |
| 02/26/2004 | US20040038067 The surface of the body of powder additive for use in powder metallurgy is coated with an organic binder to cause adhesion of the powder additive (an alloying metal) to the surface of iron based powder by organic binder |
| 02/26/2004 | US20040036566 Motor using magnet |
| 02/25/2004 | EP1391529A1 Wear and corrosion resistant austenitic iron base alloy |
| 02/25/2004 | CN1478151A Alloy steel, holders and holder details for plastic moulding tools, and tough hardened blanks for holders and holder details |
| 02/25/2004 | CN1478005A Mixture for powder metallurgy product and method for producing the same |
| 02/25/2004 | CN1477654A Magnet and electric motor using the same |
| 02/25/2004 | CN1477223A Cast-iron alloy |
| 02/24/2004 | US6696014 Iron-based sintered powder metal body, manufacturing method thereof and manufacturing method of iron-based sintered component with high strength and high density |
| 02/19/2004 | WO2004015723A2 Nanocrystalline and nanocomposite rare earth permanent magnet materials and method of making the same |
| 02/19/2004 | WO2004015154A1 Dispersed oxide reinforced martensitic steel excellent in high temperature strength and method for production thereof |
| 02/19/2004 | US20040033154 For making valve seat inserts used in internal combustion engines |
| 02/18/2004 | CN1475580A Rare earth addition quantity optimization and control method of rare earth weather resistant steel |
| 02/17/2004 | US6692550 Melting iron-based alloy; adding calcium and aluminum; casting |
| 02/12/2004 | US20040028548 Iron-base alloy containing chromium-tungsten carbide and a method of producing it |
| 02/12/2004 | US20040025974 Controlling particle size; akllloy of rare earth element and transition metal; compaction |
| 02/11/2004 | EP1090152B1 Method for processing steel slags |
| 02/11/2004 | CN1473950A Process for producing high nitrogen chrome iron using non-pressure container type vacuum resistor furnace |
| 02/11/2004 | CN1138013C Special equipment for instantaneously treating molten iron & steel fluid with modifier and its application technique |
| 02/10/2004 | US6689234 Method of producing metallic materials |
| 02/10/2004 | US6689189 Particles of silicon, carbon and manganese used as foaming and reducing agents in melts for alloying stainless steels |
| 02/10/2004 | US6689183 Mixture of iron-based particles having a first particle size distribution and ferrite particles having a second particle size distribution; core components for alternating-current applications |
| 02/05/2004 | WO2003054372A8 Gray cast iron for cylinder heads |
| 02/05/2004 | DE10233732A1 Gusseisenlegierung Cast iron alloy |
| 02/04/2004 | EP1386976A1 Cast iron |
| 02/04/2004 | EP1385661A1 High machinability iron base sintered alloy for valve seat inserts |
| 02/04/2004 | CN1472358A Non-tempered superhigh carbon steel and its production |
| 02/04/2004 | CN1472027A Stainless steel powder hot pressing shaping method |
| 02/04/2004 | CN1137281C Lock making by powder metallurgical material |
| 02/04/2004 | CN1137279C Addition method of RE-magnesium inoculant for instantaneous metal solution flow |
| 02/03/2004 | US6685882 Iron-cobalt-vanadium alloy |
| 01/29/2004 | US20040018111 Cast iron alloy |
| 01/28/2004 | EP1384794A1 Spheroidal cast iron particulary for piston rings and method for its production |
| 01/28/2004 | CN1470667A Manganese oxide direct-alloying steel making process |
| 01/28/2004 | CN1470666A Powder stainless steel reinforcing and sintering method |
| 01/27/2004 | US6682582 Powder injection molding material |
| 01/27/2004 | US6682581 Powder injection molding material |
| 01/27/2004 | US6682579 Metal-based powder compositions containing silicon carbide as an alloying powder |
| 01/27/2004 | CA2136097C Particulate caf2 agent for improving the machinability of sintered iron-based powder |
| 01/22/2004 | US20040013559 Machinability, corrosion resistance, hardenability |
| 01/21/2004 | EP1382704A1 Cold work steel with high wear resistance |
| 01/20/2004 | US6679932 High machinability iron base sintered alloy for valve seat inserts |
| 01/20/2004 | US6679931 Method for recovering metallic chromium from slag containing chromium oxide |
| 01/15/2004 | WO2004005571A1 Steel alloys |
| 01/15/2004 | US20040009887 Iron-based cleaning powder |
| 01/14/2004 | CN1468319A Rare earth alloy sintered compact and method of making the same |
| 01/13/2004 | US6676894 Copper-infiltrated iron powder article and method of forming same |
| 01/13/2004 | US6676724 Powder metal valve seat insert |
| 01/07/2004 | EP1377691A2 Rare earth alloy sintered compact and method of making the same |
| 01/07/2004 | CN1465733A Process for making core agent and core yarn of high magnesium alloy core-spun yarn |
| 01/07/2004 | CN1465732A Technological method for smelting silicon base low rareearth calcium, baryum alloy liquid by mineral heating furnace, and producing rareearth nodulizer of ladle magnesium pressing |
| 01/07/2004 | CN1465731A High-effect composite powder nodulizer and technological method thereof |
| 01/07/2004 | CN1465730A Method for producing high speed tool steel |
| 01/07/2004 | CN1465721A Surface passivated alloy core-spun yarn and tehcnological process thereof |
| 01/06/2004 | CA2261707C Nickel-containing strengthened sintered ferritic stainless steels |
| 01/02/2004 | EP1375841A2 powder metal valve seat insert |
| 01/01/2004 | US20040000359 Rare earth magnet, method for manufacturing the same, and motor using rare earth magnet |
| 01/01/2004 | US20040000283 Powder metal valve seat insert |