| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 07/25/2012 | CN101948986B High-quality alloy steel bar and production process thereof |
| 07/25/2012 | CN101942617B Novel corrosion resistant, wear resistant and high temperature resistant alloy material and production process thereof |
| 07/25/2012 | CN101886219B Particle-reinforced antiwear steel composite material and preparation method thereof |
| 07/25/2012 | CN101845603B Ferrite stainless steel for high temperature-end part of exhaust system of automobile and manufacturing method thereof |
| 07/25/2012 | CN101656133B Rotating machine with sintered magnet and method for producing sintered magnet |
| 07/25/2012 | CN101270452B Connection material for flashing light jointing of hadfield steel cross frog and carbon steel rails, and production method thereof |
| 07/18/2012 | CN102592777A Low-cost sintered neodymium iron boron magnet and production method thereof |
| 07/18/2012 | CN102592770A Sintered NdFeB magnet and manufacturing method thereof |
| 07/18/2012 | CN102586701A Iron alloy material and balance block manufactured by iron alloy material |
| 07/18/2012 | CN102586693A Golf club head alloy and manufacturing method thereof |
| 07/18/2012 | CN102586689A Preparation method of high-toughness Co-free superhard high-speed steel |
| 07/18/2012 | CN102586688A Double-phase steel plate and manufacturing method thereof |
| 07/18/2012 | CN102586682A High-performance rare earth permanent magnet sintered magnet and manufacturing method thereof |
| 07/18/2012 | CN102586681A Method for reducing martensite formation critical cooling rate of automobile boron steel |
| 07/18/2012 | CN102586673A Method for improving DWTT (drop weight tear test) index of X70 pipeline steel |
| 07/18/2012 | CN102586671A Lead screw-nut wear-resistant special material |
| 07/18/2012 | CN102586670A Iron-based composite material reinforced by in-situ titanium carbide grains and preparing method thereof |
| 07/18/2012 | CN102586668A Coverage inoculator |
| 07/18/2012 | CN102586667A Process for preparing material of high-temperature resisting oil delivery control device |
| 07/18/2012 | CN102586666A Special cleansing agent for short-flow high-strength cast iron and manufacturing process thereof |
| 07/18/2012 | CN102586665A Method for producing micro-carbon ferromanganese |
| 07/18/2012 | CN102586664A Production method of hot-rolled no-fold low carbon steel |
| 07/18/2012 | CN102586645A Smelting method for silicon calcium alloy |
| 07/18/2012 | CN102162066B Medical martensitic stainless steel material and preparation method thereof |
| 07/18/2012 | CN102051530B 48MnV nitrogenous steel and nitrogen adding process thereof |
| 07/18/2012 | CN102019294B Manufacturing method of large-sized high-ductility wear-resisting alloy roller |
| 07/18/2012 | CN101948979B Method for producing industrial pure iron |
| 07/18/2012 | CN101942597B Production method of gear steel |
| 07/18/2012 | CN101899613B Method for reducing surface cracks of medium carbon niobium-containing steel |
| 07/18/2012 | CN101688261B Improvements in the production of ferro-alloys |
| 07/18/2012 | CN101654764B Iron-nickel based highly elastic alloy, capillary pipe thereof and method for manufacturing capillary pipe |
| 07/18/2012 | CN101644537B Double-chamber vacuum oriented smelting furnace and use method thereof |
| 07/17/2012 | CA2355562C Iron-based sintered powder metal body, manufacturing method thereof and manufacturing method of iron-based sintered component with high strength and high density |
| 07/12/2012 | WO2012067353A3 Method and apparatus for manufacturing ferrochrome |
| 07/11/2012 | EP2474637A1 Sintered material for valve guides and production method therefor |
| 07/11/2012 | EP1734141B1 Production method for soft magnetic sintered member |
| 07/11/2012 | CN102576604A Permanent magnet and manufacturing method for permanent magnet |
| 07/11/2012 | CN102576603A Permanent magnet and manufacturing method for permanent magnet |
| 07/11/2012 | CN102576589A Permanent magnet and manufacturing method for permanent magnet |
| 07/11/2012 | CN102575325A Power-transmitting part |
| 07/11/2012 | CN102574249A Iron-chromium based brazing filler metal |
| 07/11/2012 | CN102568809A Method for preparing corrosion-resistant high-performance sintered neodymium iron boron magnets |
| 07/11/2012 | CN102564122A Tapping molten iron guiding device of induction furnace |
| 07/11/2012 | CN102560286A Non-magnetic hard-section nickel austenitic stainless steel and preparation method thereof |
| 07/11/2012 | CN102560275A Heat resistant cast steel, manufacturing method thereof, cast parts of steam turbine, and manufacturing method of cast parts of steam turbine |
| 07/11/2012 | CN102560267A Preparation method for steel for gear of geared motor |
| 07/11/2012 | CN102560266A High-wear-resistant steel for knitting needle and manufacturing method thereof |
| 07/11/2012 | CN102560251A High-performance powder metallurgy material and manufacturing method thereof |
| 07/11/2012 | CN102560250A Ultralow-carbon bainite steel plate and manufacturing method thereof |
| 07/11/2012 | CN102560249A Formula and process for powder metallurgy |
| 07/11/2012 | CN102560241A Powder metallurgy material |
| 07/11/2012 | CN102560240A Method for producing ferro-nickel alloy with laterite |
| 07/11/2012 | CN102560234A Powdered alloy steel for powder metallurgy |
| 07/11/2012 | CN102560233A Binder powder metallurgy mixture |
| 07/11/2012 | CN102560231A Ferrite nodular cast iron liquid for wind-power castings and preparation method thereof |
| 07/11/2012 | CN102560230A Method for smelting D-type graphite alloy cast iron glass mould by replacing pig iron with scrap steel |
| 07/11/2012 | CN102560229A Low chrome multielement alloy cast ball and preparing method thereof |
| 07/11/2012 | CN102560228A Method for producing wheel made of austempered ductile iron (ADI) material |
| 07/11/2012 | CN102560227A Method for producing low-silicon spheroidizing agent by adopting melting distributing and punching composite method |
| 07/11/2012 | CN102560226A Low-chromium alloy grinding ball modification agent and use method thereof |
| 07/11/2012 | CN102560225A Method for recarburizing phosphorous pig iron |
| 07/11/2012 | CN102560224A Composite inoculant |
| 07/11/2012 | CN102560223A Method for forming bonded iron-based powder by high velocity compaction technology |
| 07/11/2012 | CN102554565A Integral manufacturing method of runner of impulse water turbine |
| 07/11/2012 | CN102554216A Water atomization ferrum-copper alloy powder and manufacturing method |
| 07/11/2012 | CN102554213A Alloy steel powder for powder metallurgy, iron-based sintering material and manufacturing method thereof |
| 07/11/2012 | CN102554130A Casting method for high-nickel austenite nodular cast iron exhaust manifold |
| 07/11/2012 | CN101886192B Method for preparing high-performance iron nickel magnetically soft alloy by using powder metallurgy process |
| 07/11/2012 | CN101781734B Vanadium-titanium cast iron and production method thereof |
| 07/11/2012 | CN101641750B Process for production of ndfeb sintered magnets |
| 07/11/2012 | CN101183594B Magnet and motor using magnet |
| 07/10/2012 | US8216508 Method for preparing a metallic article having an other additive constituent, without any melting |
| 07/10/2012 | CA2497383C Iron-based powder composition including a silane lubricant |
| 07/10/2012 | CA2380235C Process for manufacturing corrosion resistant composite metal products |
| 07/05/2012 | WO2012090765A1 Magnetic body |
| 07/05/2012 | WO2012089807A1 Iron based powders for powder injection molding |
| 07/05/2012 | CA2823267A1 Iron based powders for powder injection molding |
| 07/04/2012 | EP2472535A1 NdFeB SINTERED MAGNET PRODUCTION METHOD AND PRODUCTION DEVICE, AND NdFeB SINTERED MAGNET PRODUCED WITH SAID PRODUCTION METHOD |
| 07/04/2012 | EP2471969A1 Heat resistant cast steel. manufacturing method thereof, cast parts of steam turbine, and manufacturing method of cast parts of steam turbine |
| 07/04/2012 | EP2471960A1 Method for manufacturing a cast iron part and cast iron part thus obtained |
| 07/04/2012 | CN102549685A Permanent magnet and manufacturing method for permanent magnet |
| 07/04/2012 | CN102549684A Permanent magnet and manufacturing method for permanent magnet |
| 07/04/2012 | CN102549680A Permanent magnet and manufacturing method for permanent magnet |
| 07/04/2012 | CN102543345A Low power consumption Fe-Si-Al alloy material with magnetic conductivity mu=26 and preparation method thereof |
| 07/04/2012 | CN102534424A Stainless steel, stainless steel wire for bridge pull sling as well as preparation methods and application thereof |
| 07/04/2012 | CN102534422A Manufacturing method of corrosion-resistant steel tubes for natural gas conveying pipelines |
| 07/04/2012 | CN102534415A Manufacture method for billets |
| 07/04/2012 | CN102534410A Silver-containing austenitic antimicrobial stainless steel and manufacturing method thereof |
| 07/04/2012 | CN102534407A Production method for HRB600 hot-rolled ribbed steel bars |
| 07/04/2012 | CN102534406A Medium manganese steel and preparation method thereof |
| 07/04/2012 | CN102534402A Preparation method for wear-resistant alloy steel |
| 07/04/2012 | CN102534395A Iron chromium soft magnetic alloy and its preparation method |
| 07/04/2012 | CN102534393A Method for producing nitrogen controlling low activity ferrite martensite steel for fusion reactor |
| 07/04/2012 | CN102534379A Powder metallurgical friction material and manufacturing process thereof |
| 07/04/2012 | CN102534377A X70-degree large deformation resisting pipeline steel plate with excellent tenacity and preparation method for pipeline steel plate |
| 07/04/2012 | CN102534376A Steel plate with excellent low-temperature toughness in large heat-input weld heat affected zone and production method thereof |
| 07/04/2012 | CN102534362A Preparation technology for fine-grained steel 510L |
| 07/04/2012 | CN102534358A Manufacturing method of high-coercivity R-Fe-B sintered permanent magnet material |
| 07/04/2012 | CN102534357A Alloy material for manufacturing high-nickel wear-resistant and compression-resistant ductile iron guide disc and preparation method for alloy material |
| 07/04/2012 | CN102534355A Niobium-containing silicon-rich spherical graphite cast iron, preparation of spherical graphite cast iron and piston ring prepared made of spherical graphite cast iron |