| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 02/09/2011 | CN101642808B Water-atomized rare-earth steel powder alloy and production method thereof |
| 02/09/2011 | CN101525727B Heat-resisting steel material used as vane or bolt of ultra-supercritical steam turbine and preparation method thereof |
| 02/09/2011 | CN101445893B Controlled expansion coefficient alloy and manufacturing method thereof |
| 02/08/2011 | CA2550597C Iron-based powder composition comprising a combination of binder-lubricants and preparation of the powder composition |
| 02/02/2011 | CN101962737A Multi-element alloyed ultrahigh-strength sucker rod steel and manufacturing method thereof |
| 02/02/2011 | CN101962734A Steel for ball mill steel ball and preparation method thereof |
| 02/02/2011 | CN101962732A Austenite nodular cast iron diffuser and production method thereof |
| 02/02/2011 | CN101962730A High-toughness twinning induced plasticity (TWIP) nodular cast iron alloy and preparation method thereof |
| 02/02/2011 | CN101962728A Spray gun for desulfurizing in molten iron by granular magnesium |
| 02/02/2011 | CN101962727A Method for preparing sigma-phase FeV50 |
| 02/02/2011 | CN101961668A Ball mill groove type lining plate capable of fixing material cushion layer and manufacturing method thereof |
| 02/02/2011 | CN101691638B 6Cr14 stainless steel strip and manufacturing method thereof |
| 02/02/2011 | CN101643876B Super-pure smelting method for industrially producing Incone1690 alloy |
| 02/02/2011 | CN101638753B Manufacture method of solution treatment-free high-performance two-phase stainless cast steel |
| 02/02/2011 | CN101206943B Iron base amorphous magnetically-soft alloy having high saturated magnetic induction and excellent toughness |
| 02/02/2011 | CN101054646B Method for preparing permanent magnet material |
| 01/27/2011 | WO2011011383A1 High strength, creep resistant zinc alloy |
| 01/27/2011 | US20110020661 Fe-si-la alloy having excellent magneto-caloric properties |
| 01/27/2011 | US20110020171 Process for production of sintered copper alloy sliding material and sintered copper alloy sliding material |
| 01/26/2011 | CN101956147A High-strength low-crack sensitive slab and manufacture method thereof |
| 01/26/2011 | CN101956143A Silver-contained antibacterial super duplex-phase stainless steel and fabrication method thereof |
| 01/26/2011 | CN101956141A Low-cost non-quenched and tempered high-strength wear-resistant steal plate with yield strength of 780 MPa grade and manufacturing method thereof |
| 01/26/2011 | CN101956140A Lining plate for large ball mill and casting method thereof |
| 01/26/2011 | CN101956136A Martensite-granular bainite plastic die steel and manufacturing method thereof |
| 01/26/2011 | CN101956135A Medium carbon alloy high-strength quenched and tempered steel plate and production method thereof |
| 01/26/2011 | CN101956134A High-strength high-plasticity copper-containing high-carbon TWIP steel and preparation process thereof |
| 01/26/2011 | CN101956129A Large-thickness steel plate for structure part and production method thereof |
| 01/26/2011 | CN101956128A Control method for improving low-temperature impact property of ZG16Mn steel casting |
| 01/26/2011 | CN101956125A Flexible manufacture method of steel in thin gauge, low alloy and high tensity series |
| 01/26/2011 | CN101956123A Production method of high-abrasion-resistance antifatigue vermicular cast iron |
| 01/26/2011 | CN101956122A Smelting process for manufacturing gray cast iron |
| 01/26/2011 | CN101956121A Manufacture process of high-pressure hydro-stainless steel valve casting |
| 01/26/2011 | CN101956039A Pipe die powder for centrifugally casting nodular cast iron pipe and preparation process thereof |
| 01/26/2011 | CN101565792B Method for smelting boron steel |
| 01/26/2011 | CN101487097B High strength cold rolling packaging steel belt and production method thereof |
| 01/20/2011 | WO2011007758A1 Process for production of r-t-b based sintered magnets and r-t-b based sintered magnets |
| 01/20/2011 | WO2011007578A1 Method for producing alloy ingots |
| 01/19/2011 | EP1546425B1 Method for producing a moulded body from sintered steel |
| 01/19/2011 | CN101952915A Method for regenerating scrap magnets |
| 01/19/2011 | CN101949311A Turbocharger shell and preparation method thereof |
| 01/19/2011 | CN101948986A High-quality alloy steel bar and production process thereof |
| 01/19/2011 | CN101948983A Rail steel and preparation method thereof |
| 01/19/2011 | CN101948982A Steel plate for guide blades of large hydropower generating units and production method thereof |
| 01/19/2011 | CN101948980A Method for producing industrial pure iron |
| 01/19/2011 | CN101948979A Method for producing industrial pure iron |
| 01/19/2011 | CN101519709B Gas supply method in high-carbon regions during smelting stainless steel by AOD furnace |
| 01/19/2011 | CN101346199B Iron basis powder metallurgical compositions, lubricant for powder metallurgical compositions, and method for manufacturing granular compound lubricant |
| 01/19/2011 | CN101333625B High temperature resistant and abrasion resistant martensitic stainless steel and preparation method |
| 01/19/2011 | CN101323929B High strength steel plate for big thickness tall building structure and production method thereof |
| 01/19/2011 | CN101225497B Ductile iron exhaust manifold, method for preparing the same and device used in preparation |
| 01/19/2011 | CN101013621B Low loss magnet and magnetic circuit using the same |
| 01/18/2011 | US7871453 iron-based powder compositions including liquid lubricants for preparing compacted and sintered parts; lubricant is distinguished by being liquid at ambient temperature |
| 01/18/2011 | CA2572130C Stainless steel powder |
| 01/13/2011 | WO2011004867A1 Process for production of r-fe-b-based rare earth sintered magnet, and steam control member |
| 01/13/2011 | WO2010105007A3 Powder metal scrolls and sinter-brazing methods for making the same |
| 01/13/2011 | US20110005353 Magnetic metal powder and method of producing the powder |
| 01/12/2011 | EP2273513A1 R-t-b-type sintered magnet and method for production thereof |
| 01/12/2011 | EP2272619A1 Iron-base heat- and corrosion-resistant brazing filler metals |
| 01/12/2011 | EP2271460A1 Iron-chromium based brazing filler metal |
| 01/12/2011 | CN101942617A Novel corrosion resistant, wear resistant and high temperature resistant alloy material and production process thereof |
| 01/12/2011 | CN101942606A Nitrogen alloyed austenitic hot work die steel and preparation method thereof |
| 01/12/2011 | CN101942605A Silico-manganese steel and manufacturing method thereof |
| 01/12/2011 | CN101942600A Preparation method of transformation-induced plasticity (TRIP) medium-manganese hot-rolled steel sheet |
| 01/12/2011 | CN101942599A Formula of automobile brake hub and manufacturing process thereof |
| 01/12/2011 | CN101942598A Cast iron production process capable of stabilizing high vermicular rate |
| 01/12/2011 | CN101942597A Production method of gear steel |
| 01/12/2011 | CN101940968A Spherical hammer head of combined crusher and manufacturing method thereof |
| 01/12/2011 | CN101524947B High-performance stainless steel wheel hub of automobile and manufacturing method thereof |
| 01/05/2011 | EP2270246A1 Hot work tool steel and steel product using the same |
| 01/05/2011 | EP2270245A1 Hot work tool steel and steel product using the same |
| 01/05/2011 | EP2268842A1 Blade made of steel alloy |
| 01/05/2011 | CN101935809A High performance rare-earth duplex stainless steel alloy material and preparation method thereof |
| 01/05/2011 | CN101935807A Rare earth yttrium-containing nickel-saving austenite heat-resistant stainless steel and preparation method thereof |
| 01/05/2011 | CN101935799A Ni12 ferronickel intermediate alloy |
| 01/05/2011 | CN101935795A Diffusion and fusion method for ferromolybdenum and application thereof |
| 01/05/2011 | CN101935794A Method for producing ferro-nickel alloy by using nickel-bearing laterite in shaft furnace and smelting furnace |
| 01/05/2011 | CN101934351A Process for manufacturing oil pressure water tank of concrete delivery pump |
| 01/05/2011 | CN101608280B Compound inoculant used for producing D-type graphite cast iron and preparation method thereof |
| 01/05/2011 | CN101597724B Alloy structural steel and production method thereof |
| 01/05/2011 | CN101597722B Multielement ferroboron resisting zinc liquid corrosion and preparation method thereof |
| 01/05/2011 | CN101550516B Method for revolving furnace smelting 45CrMnMo steel |
| 01/05/2011 | CN101539365B Smelting furnace with mechanical agitation and high-energy ultrasonic processing and smelting method thereof |
| 12/30/2010 | DE112009000399T5 Verfahren zur Wiederverwertung von Schrottmagneten Method for recycling scrap magnets |
| 12/29/2010 | WO2010149377A1 Manganese steel and method for the production thereof |
| 12/29/2010 | WO2010148639A1 Powder metallurgical material, production method and application thereof |
| 12/29/2010 | EP2267174A2 Simo ductile iron castings for gas turbine applications |
| 12/29/2010 | CN101929313A High-strength hydrogen-sulfide environmental corrosion-resistant seamless petroleum casing pipe and manufacturing method thereof |
| 12/29/2010 | CN101928896A Large-amorphous forming capacity iron-based block amorphous magnetic alloy material and preparation method thereof |
| 12/29/2010 | CN101928893A Low-alloy steel resistant to carbon dioxide corrosion |
| 12/29/2010 | CN101928892A Spring steel round steel and production process thereof |
| 12/29/2010 | CN101928891A Wearable steel plate with low cost and high strength and producing method thereof |
| 12/29/2010 | CN101928890A Cr-containing steel for wire line core drilling and manufacturing method thereof |
| 12/29/2010 | CN101928889A Steel for resisting sulfide corrosion and manufacturing method thereof |
| 12/29/2010 | CN101928888A Low-alloy steel for resisting carbon dioxide corrosion and manufacturing method thereof |
| 12/29/2010 | CN101928877A Steel for petroleum casing pipe, high-frequency welding petroleum casing pipe and manufacturing method thereof |
| 12/29/2010 | CN101928876A TRIP/TWIP high strength plastic automotive steel with excellent processability and preparation method thereof |
| 12/29/2010 | CN101928874A Method for smelting steel round billet for automobile axle shaft sleeve by using converter process |
| 12/29/2010 | CN101928872A Production method of low-magnetic iron castings |
| 12/29/2010 | CN101928871A Production method of arc plank austenite nodular iron casting |
| 12/29/2010 | CN101927432A Manufacturing method of high-manganese strip steel with high strength and plasticity |