| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 03/06/2013 | CN102959648A R-T-B based rare earth permanent magnet, motor, automobile, power generator and wind energy conversion system |
| 03/06/2013 | CN102959647A R-T-B type rare earth permanent magnet, motor, automobile, power generator, and wind power generation system |
| 03/06/2013 | CN102959111A Free-cutting stainless-steel cast product and process for producing same |
| 03/06/2013 | CN102956337A Process-saving manufacturing method of sintered Nd-Fe-B series magnet |
| 03/06/2013 | CN102953005A High-carbon and low-alloy steel wire rod for producing fine steel wires, and its manufacturing method |
| 03/06/2013 | CN102952995A Environment-friendly leadless free-cutting steel and metallurgy method thereof |
| 03/06/2013 | CN102952992A Technique for casting QT500-10 by use of evaporated pattern |
| 03/06/2013 | CN102950277A Short-process molten iron casting process |
| 03/06/2013 | CN102383025B Preparation method of super-critical high alloy steel suitable for thermal power unit |
| 03/06/2013 | CN102383022B Method for preparing high-TiC-content iron base metal ceramic material through combustion synthesis |
| 03/06/2013 | CN102220542B Industrial production method of chromium-free white cast iron with high wear resistance |
| 02/28/2013 | WO2012004654A8 Method for the production of an element subject to wear, element subject to wear and temporary aggregation structure to produce said element subject to wear |
| 02/27/2013 | CN102947028A Compositions and methods for improved dimensional control in ferrous poweder metallurgy applications |
| 02/27/2013 | CN102943220A Nickel-saving austenitic stainless steel and fabrication method thereof |
| 02/27/2013 | CN102943218A Steel 27Cr2Ni3SiMn2Mo for spinner roller and preparation technology thereof |
| 02/27/2013 | CN102943217A Cold rolling steel strip and production method thereof |
| 02/27/2013 | CN102943215A Backing material for double metal composite saw blade, and preparation method thereof |
| 02/27/2013 | CN102943214A Automotive cold-rolled diaphragm spring steel and production method thereof |
| 02/27/2013 | CN102943202A Fe-Al-B magnetostrictive thin piece material and preparation method thereof |
| 02/27/2013 | CN102941335A Vacuum suction casting device, formula and preparation method for AlNiCo permanent-magnet alloy casting |
| 02/27/2013 | CN102268600B Automobile compressed natural gas (CNG) bottle steel and production method thereof |
| 02/27/2013 | CN102078956B Method for casting mechanical arm casting of robot |
| 02/20/2013 | CN102938311A Production process for improving intrinsic coercive force of sintered neodymium iron boron (NdFeB) permanent magnet |
| 02/20/2013 | CN102938282A R-Fe-B series permanent magnet and production method thereof |
| 02/20/2013 | CN102936701A Iron-based shape memory alloy with outstanding memory recovery characteristic and preparation method thereof |
| 02/20/2013 | CN102936698A Alloy steel and method for manufacturing same |
| 02/20/2013 | CN102936697A Method for preparing high abrasion-resistance ferroalloy material |
| 02/20/2013 | CN102936696A High hardness and high abrasion-resistance ferroalloy material and preparation method thereof |
| 02/20/2013 | CN102936689A High-temperature-resistant bearing steel and production process thereof |
| 02/20/2013 | CN102936685A Fe-based magnetically soft alloy with high-saturation magnetic flux density and preparation method of alloy |
| 02/20/2013 | CN102936680A Raw material composition of high performance sewage discharge valve cast, and production method thereof |
| 02/20/2013 | CN102936679A Gray cast iron electric-furnace smelting method |
| 02/20/2013 | CN102935505A Casting method of low temperature resistant iron cushion plate for high speed railway buckling part |
| 02/20/2013 | CN102935503A Metal-stream powder nitrogenization method for preparing Ti(C,N) particle-reinforced iron-base composite material by in-situ reaction casting |
| 02/20/2013 | CN102382924B Preparation method of nodulizing agent for nodular cast iron |
| 02/20/2013 | CN102233428B Method for preparing bulk sintered Nd-Fe-B permanent magnet material |
| 02/13/2013 | CN102930975A Manufacturing method of R-Fe-B series sintered magnets |
| 02/13/2013 | CN102925819A High-toughness wear-resistant multiphase steel pick and manufacturing process |
| 02/13/2013 | CN102925814A Steel for hydrogen sulfide stress corrosion resisting pressure container and production method of steel |
| 02/13/2013 | CN102925812A Hot rolling diaphragm spring steel for automobile and production method of hot rolling diaphragm spring |
| 02/13/2013 | CN102925811A Easy-cutting vanadium-feeding high-aluminum nitriding steel and preparation method thereof |
| 02/13/2013 | CN102925808A High-temperature self-lubricating material for manufacturing bearings and preparation method thereof |
| 02/13/2013 | CN102925807A Powder metallurgy iron-based material suitable for high speed boring and preparation method |
| 02/13/2013 | CN102925803A Production method of ultrahigh-strength steel plate |
| 02/13/2013 | CN102925791A Steel easy to pickle and production method of steel |
| 02/13/2013 | CN102925787A Raw material composition for valve castings special for medium and high pressure oil fields and production method for raw material composition |
| 02/13/2013 | CN102925786A Chrome manganese tungsten and molybdenum high alloy wear-resistant cast iron ball and preparation method thereof |
| 02/13/2013 | CN102925785A Method for preparing ADI spheroidal graphite cast iron cushion block casts through vertical casting |
| 02/13/2013 | CN102925784A Inoculant for refining gray cast iron texture and preparation method and application thereof |
| 02/13/2013 | CN102925783A Method for preparing hypereutectic high chromium white cast iron |
| 02/13/2013 | CN102925688A Method for refining high-purity ferrosilicon |
| 02/13/2013 | CN102925615A Long-acting anti-recession nodulizer for thick large-section ductile iron |
| 02/13/2013 | CN102921940A Iron nano belt and preparation method thereof |
| 02/13/2013 | CN102251085B Plastic processing method for powder metallurgy high-speed steel |
| 02/13/2013 | CN102240804B Preparation method of ceramic bond powder metallurgy mechanical parts |
| 02/13/2013 | CN102181619B Method for manufacturing non-tempering low-carbon bainite type high-strength steel plate of 1000Mpa grade |
| 02/06/2013 | EP2555211A1 Method for recycling slurry, method for manufacturing rare-earth based sintered magnet, and apparatus for recycling slurry |
| 02/06/2013 | EP2555209A1 Sintered magnet and method for manufacturing sintered magnet |
| 02/06/2013 | EP2555206A1 Rare earth sintered magnet, method for producing same, motor and automobile |
| 02/06/2013 | CN202715790U Metal-stream inoculation device |
| 02/06/2013 | CN102918607A Sintered magnet and method for producing the sintered magnet |
| 02/06/2013 | CN102918171A Process for production of ferronickel smelting raw material from low grade lateritic nickel ore |
| 02/06/2013 | CN102917819A Improved compaction methods |
| 02/06/2013 | CN102912255A Wear-resisting cast steel and preparation method thereof |
| 02/06/2013 | CN102912248A High-toughness wear resistant martensitic stainless steel and production method thereof |
| 02/06/2013 | CN102912240A Method for preparing high-boron wear resisting alloy through laser cladding |
| 02/06/2013 | CN102912239A High-temperature wear-resistant steel |
| 02/06/2013 | CN102912236A High-performance and abrasion-resistant hot work die steel and technology for manufacturing same |
| 02/06/2013 | CN102912233A Preparation method of high corrosion resistance iron alloy |
| 02/06/2013 | CN102912222A 18MND5 low-alloy structural steel for nuclear power and technical control method for 18MND5 low-alloy structural steel |
| 02/06/2013 | CN102912221A Large-thickness structural steel plate for high-rise building and production method thereof |
| 02/06/2013 | CN102912214A Ductile cast iron as well as ductile cast iron piston and casting process thereof |
| 02/06/2013 | CN102912213A Preparation method of bainite-martensite automobile gear nodular cast iron |
| 02/06/2013 | CN102912211A Smelting method for cylinder cover of marine diesel engine |
| 02/06/2013 | CN102912210A Production method for multi-element alloy steel |
| 02/06/2013 | CN102912209A Process for producing bead ferronickel by rotary hearth furnace through coal-based reduction of red soil nickel oxide ores |
| 02/06/2013 | CN102912173A Wear-resistant part, and ceramic-metal composite material and preparation method thereof |
| 02/06/2013 | CN102912171A Method for improving biodegradation rate of pure iron or iron alloy and application thereof |
| 02/06/2013 | CN102912158A Method for smelting ferrovanadium by fine vanadium slag |
| 02/06/2013 | CN102912152A Vacuum arc remelting method for inhibiting macrosegregation of high-temperature alloy with high content of Nb |
| 02/06/2013 | CN102912065A Method for producing nodular cast iron |
| 02/06/2013 | CN102912064A Novel balling device |
| 02/06/2013 | CN102912063A Raw material composition of high-silicon cast iron liquid alkali valve cast and production method thereof |
| 02/06/2013 | CN102586701B Iron alloy material and balance block manufactured by iron alloy material |
| 01/30/2013 | CN202709721U LF (ladle furnace) device |
| 01/30/2013 | CN102905831A A method for the manufacture of a wear pad for a band saw blade guide, such a wear pad, and the use of a steel material for producing the wear pad |
| 01/30/2013 | CN102903472A Sintered neodymium-iron-boron magnet and preparation method thereof |
| 01/30/2013 | CN102899586A Iron alloy material and preparation method |
| 01/30/2013 | CN102899585A High-hardness and high-abrasion-resistance iron alloy material |
| 01/30/2013 | CN102899578A Iron-nickel-chromium alloy oil casing and manufacturing method thereof |
| 01/30/2013 | CN102899575A Non-quenched and tempered steel used for welding and electroplating hydraulic rod and production method thereof |
| 01/30/2013 | CN102899567A Wear-resistant width fixing machine module and manufacturing method thereof |
| 01/30/2013 | CN102899558A 500Mpa-grade building aseismic reinforcement |
| 01/30/2013 | CN102899557A Production method of low-alloy medium plate |
| 01/30/2013 | CN102899556A Production method for low-alloy medium-thick steel plate |
| 01/30/2013 | CN102899552A High-manganese steel composite modificator |
| 01/30/2013 | CN101927344B Method for producing soft magnetic metal powder coated with mg-containing oxidized film and method for producing composite soft magnetic material using the powder |
| 01/23/2013 | EP2548985A1 Method for preparing ferro molybdenum from molybdenite |
| 01/23/2013 | EP2547478A1 A method for the manufacture of a wear pad for a band saw blade guide, such a wear pad, and the use of a steel material for producing the wear pad |
| 01/23/2013 | CN102893348A Ndfeb system sintered-magnet manufacturing apparatus |