| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 04/03/2013 | CN103014492A Preparation method of Mo2FeB2-based hot spray alloy powder |
| 04/03/2013 | CN103014489A Iron-based hard alloy for self-advancing anchor rod bit and preparing method of iron-based hard alloy |
| 04/03/2013 | CN103014488A Die steel for alloy compression casting and processing method thereof |
| 04/03/2013 | CN103014482A Metal material produced from heat-resistant and corrosion-resistant austenite nodular cast iron and manufacturing method thereof |
| 04/03/2013 | CN103014481A Multielement low alloy bainite spheroidal graphite cast iron grinding ball and manufacturing method thereof |
| 04/03/2013 | CN103014480A Multielement microalloy low chromium white iron grinding ball and manufacturing method thereof |
| 04/03/2013 | CN103014478A Short-process semi-solid cast wear-resistant ball and manufacturing method thereof |
| 04/03/2013 | CN103014477A Method for smelting iron-based nanocrystalline master alloy |
| 04/03/2013 | CN103014476A Stainless steel refining method |
| 04/03/2013 | CN103014232A Clad wire for producing vermicular graphite cast iron through wire feeding technology and preparation method of vermicular graphite cast iron |
| 04/03/2013 | CN103014219A Control method of as-cast condition heavy section ferrite-based nodular iron casting graphite nodule and matrix structure |
| 04/03/2013 | CN103008553A Pouring method of ductile cast iron wheel hub |
| 04/03/2013 | CN102511071B Permanent magnet and manufacturing method for permanent magnet |
| 04/03/2013 | CN102312152B Production method of steel containing boron |
| 04/03/2013 | CN101906586B Steel for high-strength straight-seam welded pipe and manufacturing method thereof |
| 04/03/2013 | CN101809180B Metallurgical powder composition and method of production |
| 03/27/2013 | EP2571649A1 Compositions and methods for improved dimensional control in ferrous poweder metallurgy applications |
| 03/27/2013 | CN202830134U Spheroidizing device |
| 03/27/2013 | CN202824554U Spheroidizing device |
| 03/27/2013 | CN103003898A Method for producing R-T-B-based sintered magnets |
| 03/27/2013 | CN103000324A Sintered rare earth permanent magnetic material and preparation method thereof |
| 03/27/2013 | CN102996865A Method for casting valve body of ball check valve |
| 03/27/2013 | CN102996638A Ceramimetallurgical oil-free lubrication bearing |
| 03/27/2013 | CN102994914A Iron-molybdenum-graphite series high-temperature self-lubricating composite material and preparation method of same |
| 03/27/2013 | CN102994912A Stator of homogeneous mixing pump and preparation method thereof |
| 03/27/2013 | CN102994904A Cold-rolled strip for high-precision spring and production method thereof |
| 03/27/2013 | CN102994903A Duplex stainless steel with paradoxical phase proportion change and preparation method thereof |
| 03/27/2013 | CN102994899A Production method of low-alloy chromium-containing powder metallurgy steel |
| 03/27/2013 | CN102994898A Casting method of C12A material casting piece for supercritical unit |
| 03/27/2013 | CN102994896A Sintered alloy and manufacturing method thereof |
| 03/27/2013 | CN102994894A Method for producing alloy steel material for drill bit |
| 03/27/2013 | CN102994887A Preparation method of rotor material of cam rotor pump |
| 03/27/2013 | CN102994884A Efficient preparation method for nanostructure oxide dispersion strengthening steel |
| 03/27/2013 | CN102994880A Wear-resistant ferroalloy of powder metallurgy brake caliper and preparation method thereof |
| 03/27/2013 | CN102994875A Weathering steel and manufacturing method thereof |
| 03/27/2013 | CN102994872A Steel excellent in toughness of base metal and weld-heat affected zone and method for manufacturing the same |
| 03/27/2013 | CN102994870A Formula and casting method capable of overcoming visual defects of cast machining surface |
| 03/27/2013 | CN102994860A Preparation method of nodular cast iron alloy |
| 03/27/2013 | CN102994859A Nodular cast iron alloy and preparation method thereof |
| 03/27/2013 | CN102994857A Technology for producing ductile iron flange |
| 03/27/2013 | CN102994684A Preparation method of scrap steel nodular cast iron |
| 03/27/2013 | CN102990014A Casting method of engineering machine driving wheel |
| 03/27/2013 | CN102586667B Process for preparing material of high-temperature resisting oil delivery control device |
| 03/27/2013 | CN102268506B Method for preparing nodular cast iron |
| 03/27/2013 | CN102071359B Ultra-high-intensity automobile structural steel and production method thereof |
| 03/27/2013 | CN102051520B Composite beam connecting piece for maglev train and casting method of composite beam connecting piece |
| 03/27/2013 | CN101871079B Copper-bearing ferritic antibacterial stainless steel and manufacturing method thereof |
| 03/26/2013 | US8404356 Contact material, composite sintered contact component and method of producing same |
| 03/21/2013 | WO2011153573A3 Component having reduced metal adhesion |
| 03/21/2013 | DE102011089782A1 Synchronisierhülse und verfahren zur herstellung davon Synchronizer and methods of making thereof |
| 03/20/2013 | EP2571035A1 Ndfeb system sintered-magnet manufacturing apparatus |
| 03/20/2013 | CN102985811A Method for determining amounts of inoculant to be added to a cast-iron melt |
| 03/20/2013 | CN102982955A Iron-silicon soft magnetic alloy power and manufacturing method thereof |
| 03/20/2013 | CN102982938A Wear-resisting neodymium-iron-boron permanent magnet material and preparation method thereof |
| 03/20/2013 | CN102982937A Preparation method of wear-resisting neodymium-iron-boron permanent magnet material |
| 03/20/2013 | CN102982936A Manufacture method for dispense process of sintering Nd-Fe-B serial magnet |
| 03/20/2013 | CN102979956A Warm forging forming method of throttle valve stem |
| 03/20/2013 | CN102978539A Burdening and preparation method for columnar crystal alnico permanent magnet alloy |
| 03/20/2013 | CN102978527A Alloy steel material for drill |
| 03/20/2013 | CN102978526A Alloy steel material for drill and preparation method |
| 03/20/2013 | CN102978518A Rare earth wear-resisting alloy steel and production method thereof |
| 03/20/2013 | CN102978517A Cold working die steel and preparation method thereof |
| 03/20/2013 | CN102978514A Method for improving ZG40Cr nitride layer thickness |
| 03/20/2013 | CN102978513A High-strength and wear-resistant steel |
| 03/20/2013 | CN102978511A Method for producing hot-rolled steel plate for automobile girder steel by low cost |
| 03/20/2013 | CN102978507A High-silicon-molybdenum ductile iron material and preparation method thereof |
| 03/20/2013 | CN102978506A Preparation method of stainless steel mother solution |
| 03/20/2013 | CN102978505A Smelting method of high-strength IF steel |
| 03/20/2013 | CN102978332A Smelting method of 9Ni steel |
| 03/20/2013 | CN102976290A Preparation method of iron vanadium nitride |
| 03/20/2013 | CN102409219B Method for preparing stress HIC (hydrogen induced cracking) resistant steel based on carrier control technology |
| 03/20/2013 | CN102383070B Additive for B-Si containing iron-based amorphous alloy and nanocrystalline alloy |
| 03/20/2013 | CN102226253B Carburized bearing steel for high-speed railways and preparation method thereof |
| 03/20/2013 | CN101914725B Low-carbon ultra-deep punching cold-rolling steel sheet and production method thereof |
| 03/20/2013 | CN101914724B Substrate for strapping band and production method thereof |
| 03/20/2013 | CN101760696B Anti-radiation alloy material |
| 03/19/2013 | US8398741 Fine composite metal particles and their production method, micro-bodies, and magnetic beads |
| 03/19/2013 | US8398739 Iron-based steel powder composition, method for producing a sintered component and component |
| 03/13/2013 | EP2566639A1 Improved compaction methods |
| 03/13/2013 | CN202786388U Ladle cover of molten iron spheroidizing ladle |
| 03/13/2013 | CN102969108A Metal powder for preparing nanocrystalline magnetic core with magnetic conductivity mu of 60 |
| 03/13/2013 | CN102969107A Nano-crystalline magnetic powder core with magnetic conductivity of mu=60 |
| 03/13/2013 | CN102965596A NbSe2-added Fe-Ni-Cr high-temperature self-lubricating composite material and preparation method thereof |
| 03/13/2013 | CN102965594A Method of manufacturing ultralow-temperature steel through low-alloy steel |
| 03/13/2013 | CN102965590A Modified hard alloy and preparation thereof |
| 03/13/2013 | CN102965585A Antibacterial austenitic stainless steel |
| 03/13/2013 | CN102965584A High-nitrogen high-manganese stainless steel and smelting method thereof |
| 03/13/2013 | CN102965571A Powder metallurgy method for pump body of hydraulic pump |
| 03/13/2013 | CN102965567A Casting thick large-section pearlite nodular cast iron and casting method thereof |
| 03/13/2013 | CN102965565A Wear-resistant alloy, silicon alloy grinding ball, silicon alloy grinding section and preparation method thereof |
| 03/13/2013 | CN102965563A Casting method of valve body of ball check valve |
| 03/13/2013 | CN102418041B Production method for bearing steel |
| 03/13/2013 | CN102392134B High-efficiency reducing agent for casting and preparation method thereof |
| 03/13/2013 | CN102367547B Manufacture method of high-silicon aluminum content non-oriented silicon steel strip |
| 03/13/2013 | CN102337475B Method for manufacturing extra-low oxygen low-expansion alloy |
| 03/13/2013 | CN102268591B Melting ingredient for piston |
| 03/13/2013 | CN101956121B Manufacture process of high-pressure hydro-stainless steel valve casting |
| 03/06/2013 | EP2564956A1 Fabrication method of alloy parts by metal injection molding |
| 03/06/2013 | CN202766605U Novel spheroidizing device |
| 03/06/2013 | CN202766604U Calcium-iron core-spun yarn |