| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 04/24/2013 | CN103060700A Boride particle reinforced Fe-Cr-Al composite material and its preparation method |
| 04/24/2013 | CN103060692A High corrosion resistance rare earth-iron chromium silicon carbon magnetocaloric material and preparation method thereof |
| 04/24/2013 | CN103060680A Semi-process cold-rolling non-oriented electrical steel and production process thereof |
| 04/24/2013 | CN103060677A Manufacturing method of high-magnetic-permeability low-power-consumption iron-silicon-aluminum alloy powder for magnetic powder cores |
| 04/24/2013 | CN103060673A Preparation method of cladding-free high-corrosion-resistant sintered neodymium-iron-boron permanent magnetic material |
| 04/24/2013 | CN103060671A Ferritic nodular cast iron and preparation thereof |
| 04/24/2013 | CN103060670A High-strength wear-resistant cylinder sleeve |
| 04/24/2013 | CN103060668A Carbide-containing ductile iron and its making method |
| 04/24/2013 | CN103060667A Super-hard middle-chrome cast grinding ball and production process thereof |
| 04/24/2013 | CN103060664A Casting technology for grey cast iron material of brake disc |
| 04/24/2013 | CN103060662A Preparation process of alloy cast iron grinding ball |
| 04/24/2013 | CN103060661A Method for casting axle box cover |
| 04/24/2013 | CN103060660A Method for preparing Fe-Ga-In-Tb alloy by double-feeding vacuum induction smelting |
| 04/24/2013 | CN103060659A Raw material composition of high-abrasion valve seat and casting method thereof |
| 04/24/2013 | CN103060658A Preparation process for sintering 1kg-5.5kg of neodymium iron boron permanent magnetic material |
| 04/24/2013 | CN103060657A Method for preparing sintered neodymium iron boron permanent magnet material with high coercive force and high corrosion resistance |
| 04/24/2013 | CN103060519A Deoxidation method for high-nitrogen steel |
| 04/24/2013 | CN103056366A Preparation method for porous stainless steel |
| 04/24/2013 | CN102534090B Preparation method of -60-DEG C low-temperature impact nodular cast iron |
| 04/24/2013 | CN102418037B Hot-rolled H-section steel with lamellar tearing resistance and manufacturing method thereof |
| 04/24/2013 | CN102418028B Impeller special for automobile cooling water pump and casting process of impeller |
| 04/24/2013 | CN102409137B Method for controlling content of nitrogen in oriented silicon steel |
| 04/24/2013 | CN102373364B Wind-power equipment casting and manufacturing method thereof |
| 04/24/2013 | CN102367549B Bar for large wind driven generator gear |
| 04/24/2013 | CN102367543B Boron steel ASTMA36-B medium and heavy plate and production process thereof |
| 04/24/2013 | CN102352465B Superhigh strength cast steel, and preparation method and welding process thereof |
| 04/24/2013 | CN102345057B High strength and toughness Q460E structural steel thick plate and production method thereof |
| 04/24/2013 | CN102330036B Manufacture method of grate of reciprocating incinerator of heat, wear and corrosion-resisting large machine |
| 04/24/2013 | CN102296248B Diphase tungsten stainless steel alloy material and preparation method thereof |
| 04/24/2013 | CN102168222B High-hardness alloyed nodular iron die material and preparation method thereof |
| 04/24/2013 | CN101886211B Special grinding ball of titanium dioxide and preparation method thereof |
| 04/18/2013 | WO2013054854A1 R-t-b alloy flakes, r-t-b sintered magnet, and production method therefor |
| 04/18/2013 | WO2013054847A1 R-t-b sintered magnet and method for production thereof, and rotary machine |
| 04/18/2013 | WO2013054845A1 Thin r-t-b alloy, r-t-b based sintered magnet, and production method for same |
| 04/18/2013 | WO2013054842A1 R-t-b based sintered magnet and production method for same, and rotary machine |
| 04/18/2013 | WO2013054779A1 Sintered body of rare-earth magnet precursor, and manufacturing method for fine magnetic powder for forming sintered body |
| 04/18/2013 | WO2013054778A1 Manufacturing method for magnetic powder for forming sintered body of rare-earth magnet precursor |
| 04/18/2013 | WO2013054678A1 Rare earth permanent magnet and method for producing rare earth permanent magnet |
| 04/17/2013 | CN202881350U High magnesium cored wire |
| 04/17/2013 | CN103052727A Watch-making or clock-making component comprising an amorphous metal alloy |
| 04/17/2013 | CN103051117A Production method of motor magnetic steel |
| 04/17/2013 | CN103045957A High-carbon-chromium stainless bearing steel |
| 04/17/2013 | CN103045952A Alloy material of energy absorption crushing steel cylinder in deformation unit and production method of alloy material |
| 04/17/2013 | CN103045951A High-nitrogen nickel-free austenite antibacterial stainless steel (HNSAg) and manufacturing method thereof |
| 04/17/2013 | CN103045943A Smelting method of corrosion-resistant soft magnetic alloy material |
| 04/17/2013 | CN103045942A Method for manufacturing extremely thick marine engineering steel plate with excellent low-temperature brittle fracture resistance |
| 04/17/2013 | CN103045935A Control method for surface decarburization and ferrite distribution of steel disc bar of spring |
| 04/17/2013 | CN103045932A Ductile cast iron grinding ball with high wear resistance and high impact toughness and production technology thereof |
| 04/17/2013 | CN103045931A Smelting method for acquiring qualified mechanical properties under low-temperature nickel-free conditions |
| 04/17/2013 | CN103045930A Deoxidation alloying production process for low-carbon aluminum killed steel |
| 04/17/2013 | CN103045929A Method for producing ferrovanadium by aluminothermic process |
| 04/17/2013 | CN103045928A Method for producing ferrovanadium by aluminothermic process |
| 04/17/2013 | CN102560226B Use method of low-chromium alloy grinding ball modification agent |
| 04/17/2013 | CN102409220B High-strength vermicular cast iron |
| 04/17/2013 | CN102383065B High-performance valve steel |
| 04/17/2013 | CN102251190B Cr-Mo-Ni-Ti-V sealing ring of turbocharger |
| 04/17/2013 | CN102181776B Technique and device for producing high-grade nickel and stainless steel by reduction pelletization |
| 04/17/2013 | CN102134628B Smelting method of low-carbon aluminium killed steel with low silicon content |
| 04/11/2013 | WO2013051698A1 Method for producing spheroidal graphite cast iron and vehicle component using said spheroidal graphite cast iron |
| 04/10/2013 | CN103033047A Line frequency furnace transition fore-hearth and smelting method with the same applied |
| 04/10/2013 | CN103031499A Iron-based sintered sliding member and production method therefor |
| 04/10/2013 | CN103031497A Preparation method of corrosion-resistant iron alloy for fasteners |
| 04/10/2013 | CN103031492A High-toughness steel for gas cylinders and smelting method thereof |
| 04/10/2013 | CN103031490A Production method for controlling fault detection defect of medium thick plate Q345 steel |
| 04/10/2013 | CN103031488A Manufacturing method of hot rolled steel and hot rolled steel |
| 04/10/2013 | CN103031484A Method for smelting vanadium iron |
| 04/10/2013 | CN103031483A Production process of copper-containing steel |
| 04/10/2013 | CN103031482A Manganese alloying method for duplex stainless steel |
| 04/10/2013 | CN103028149A Medical degradable Fe-Mg binary alloy material and preparation method thereof |
| 04/10/2013 | CN103028148A Medical degradable Fe-Mg-X alloy material and preparation method thereof |
| 04/10/2013 | CN102453831B Method for smelting high-chromium steel and high-chromium steel |
| 04/10/2013 | CN102392174B Method and device for preparing magnetostrictive material |
| 04/10/2013 | CN102337473B Rare earth modification and ageing processing method of high chromium-nickel alloy steel guide plate |
| 04/10/2013 | CN102168226B Martensite antibacterial stainless steel and manufacturing method thereof |
| 04/10/2013 | CN101892387B Method for producing ferrotitanium |
| 04/04/2013 | WO2013047467A1 Rare earth permanent magnet and production method for rare earth permanent magnet |
| 04/04/2013 | WO2012146465A3 Method for the production of a porous element, and cell of a rechargeable oxide battery |
| 04/03/2013 | CN202845716U Metal-stream inoculation intercepting equipment |
| 04/03/2013 | CN202845714U Movable inoculation machine |
| 04/03/2013 | CN103025909A Piston ring having a thermally sprayed coating and method for producing same |
| 04/03/2013 | CN103014559A Nickel-saving type double-phase stainless steel and preparation process thereof |
| 04/03/2013 | CN103014557A High-strength corrosion-resisting ferroalloy material for fastener |
| 04/03/2013 | CN103014550A High chromium multielement alloy wear resisting ball and manufacturing method thereof |
| 04/03/2013 | CN103014549A High-performance duplex stainless steel and processing method thereof |
| 04/03/2013 | CN103014548A Alloy steel and preparation method thereof |
| 04/03/2013 | CN103014544A Highly-wear-resistant powder metallurgy valve seat |
| 04/03/2013 | CN103014534A Cast hot work die steel and processing method thereof |
| 04/03/2013 | CN103014531A High-damping alloy for casting Fe-Cr-Mo and preparation method thereof |
| 04/03/2013 | CN103014527A Method for preparing aluminum-containing low-temperature bainitic steel |
| 04/03/2013 | CN103014525A High-silicon double-phase stainless steel and preparation method thereof |
| 04/03/2013 | CN103014523A Base material for high-temperature alloy and method for manufacturing base material |
| 04/03/2013 | CN103014520A F+P+B type low-yield-ratio and high-strength medium steel plate and production method thereof |
| 04/03/2013 | CN103014518A High carbon high alloy steel wear-resisting ball and manufacturing method thereof |
| 04/03/2013 | CN103014515A High-toughness abrasion-resistant alloy steel for excavator bucket and production process thereof |
| 04/03/2013 | CN103014513A Novel wear-resistant low alloy Q345C/D steel plate and production method thereof |
| 04/03/2013 | CN103014509A Novel low-cost Q345GJC/D steel plate for high-rise buildings and production method of steel plate |
| 04/03/2013 | CN103014505A Process for improving solidification quality of high-carbon steel casting blank |
| 04/03/2013 | CN103014499A Production method of die casting mould material with long service life |
| 04/03/2013 | CN103014495A High-tenacity high-wear-resistance cold-work die steel and processing method thereof |
| 04/03/2013 | CN103014493A Manufacturing technique of steel strip for light fatigue-resistant sole |