| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 04/21/2010 | CN101307416B Homogeneous free machining steel and production process thereof |
| 04/21/2010 | CN101265556B Method for producing ultra-high strength chromium series cast iron board band |
| 04/21/2010 | CN101161848B Corrosion resisting alloy sand and preparation method thereof |
| 04/20/2010 | US7700037 Martensitic chromium-nitrogen steel and its use |
| 04/14/2010 | CN101694250A 500MPa-grade VN alloying non-tempering seamless steel tube and manufacturing method thereof |
| 04/14/2010 | CN101693984A Resource saving type austenite stainless steel with high chrome content, low nickel content and high Mn-N content and preparation method thereof |
| 04/14/2010 | CN101693983A Resource saving type austenite stainless steel with low chrome content, low nickel content and high Mn-N content and preparation method thereof |
| 04/14/2010 | CN101693980A Flat steel and manufacture method thereof |
| 04/14/2010 | CN101693979A Iron-silicon-aluminum soft magnet pulverization alloy and preparation process thereof |
| 04/14/2010 | CN101693978A Steel used for large-size hot-rolled ribbed rebar of 500MPa and smelting method thereof |
| 04/14/2010 | CN101693976A Vanadium-nitrogen microalloying method for converting |
| 04/14/2010 | CN101693934A Nodulant for alloying nodular cast iron |
| 04/13/2010 | US7695574 melting alloy raw materials at 1,200 to 1,800 degrees C. and solidifying by rapidly quenching the molten metal produced through the above step to thereby form the RE-containing alloy |
| 04/13/2010 | CA2497614C A slag conditioner composition, process for manufacture and method of use in steel production |
| 04/07/2010 | EP2172947A1 Rare earth magnet |
| 04/07/2010 | EP2171113A1 High strength, high toughness rotating shaft material |
| 04/07/2010 | CN101691641A Smelting process for steel ingot of main pipe line of primary loop in AP1000 nuclear power technology |
| 04/07/2010 | CN101691640A High strength low alloy wear resistance steel plate and preparation method thereof |
| 04/07/2010 | CN101691638A 6Cr14 stainless steel strip and manufacturing method thereof |
| 04/07/2010 | CN101690903A Fracture-free high-chromium cast iron crusher hammer and manufacturing method thereof |
| 04/07/2010 | CN101250660B Method for vacuum smelting titanium alloy containing titanor metal |
| 04/07/2010 | CN101153371B High-strength cold-formed hot continuous rolled steel plate and method of preparing the same |
| 04/01/2010 | WO2010035853A1 Process for production of sintered compact by powder metallurgy |
| 04/01/2010 | US20100080727 Wear resistant alloy |
| 03/31/2010 | CN101688261A Improvements in the production of ferro-alloys |
| 03/31/2010 | CN101684536A Iron system sintered bearing and method for producing the same |
| 03/25/2010 | US20100074790 Iron-based sintered alloy, iron-based sintered-alloy member and production process for them |
| 03/24/2010 | EP2166119A1 Flaky graphite cast iron, and method for production thereof |
| 03/24/2010 | CN101681708A Sintered soft magnetic powder molded body |
| 03/24/2010 | CN101680063A Iron-based powder and composition thereof |
| 03/24/2010 | CN101676429A Stainless steel with capabilities of high temperature resistance and anti-corrosion, manufacturing method and application thereof |
| 03/24/2010 | CN100595308C Preparation method of magnetostriction alloy with excellent combined properties |
| 03/24/2010 | CN100595307C Method for producing low carbon ferromanganese |
| 03/18/2010 | WO2010029505A2 Free-machining powder metallurgy lead-free steel articles and method of making same |
| 03/17/2010 | EP2163331A1 Alloyed, non-oxidising metal powder |
| 03/17/2010 | CN101671797A High-phosphorous weather-proof steel cast-rolling thin strip with negative phosphorous segregation on surface and preparation method thereof |
| 03/17/2010 | CN101671791A Pump head production method |
| 03/17/2010 | CN101671790A Process for producing high-performance manganese-aluminum alloy |
| 03/17/2010 | CN101671755A Ductile cast iron smelting furnace external recarburization process |
| 03/17/2010 | CN101671753A Method for preparing gray cast iron |
| 03/17/2010 | CN101671109A Bimetallic glass mould of copper and stainless steel and preparation method thereof |
| 03/11/2010 | WO2010027504A1 Machinable metal/diamond metal matrix composite compound structure and method of making same |
| 03/11/2010 | CA2735450A1 Ductile metallic glasses in ribbon form |
| 03/10/2010 | CN100593578C Method for smelting high-nitrogen steel |
| 03/09/2010 | US7674342 preparing soft magnetic powder containing a plurality of soft magnetic particles, etching soft magnetic powder to remove surfaces of particles and, after etching step, heat-treating soft magnetic powder in finely divided state at temperature of 400 degrees C. to 900 degrees C. |
| 03/09/2010 | CA2571777C Lubricants for insulated soft magnetic iron-based powder compositions |
| 03/04/2010 | WO2010022473A1 Production of ferro-alloys |
| 03/04/2010 | US20100051881 Composite sintering materials using carbon nanotube and manufacturing method thereof |
| 03/04/2010 | CA2735470A1 Production of ferro-alloys |
| 03/03/2010 | CN101660082A Compound inoculant |
| 02/25/2010 | WO2010020144A1 Magnetostrictive material and preparation method thereof |
| 02/25/2010 | WO2010001878A3 Corrosion-resistant magnet and method for producing the same |
| 02/25/2010 | DE102008049121B3 Producing steel melt with manganese content, by producing crude steel melt in oxygen lancing converter, preheating manganese quantity in further oxygen lancing converter, and combining preheated manganese quantity with crude melt |
| 02/24/2010 | EP2157586A1 Sintered soft magnetic powder molded body |
| 02/24/2010 | EP2155914A1 Improvements in the production of ferro-alloys |
| 02/17/2010 | CN101649411A Fe-X-C grain refiner and preparation method thereof |
| 02/17/2010 | CN101649410A Method for smelting molten steel and adding rear earth by vacuum induction furnace |
| 02/17/2010 | CN100590216C Nickel-copper intermediate alloy and smelting purification processing method thereof |
| 02/16/2010 | US7662207 An aggregate containing 0.1-2.0% nitrogen in solid-solution where the grains are obtained by mechanical alloying using a ball mill and where a metal oxide or a semi-metal oxide is formed on the surface of powder during processing and acts as a crystal grain growth inhibitor |
| 02/16/2010 | US7661542 Comprises polyazole and is coated with a catalyst layer and is obtainable by preparation of a mixture comprising polyphosphoric acid, at least one polyazole and/or one or more compounds which are suitable for forming polyazoles under the action of heat, heating, applying layer to support |
| 02/11/2010 | WO2010016014A1 Ferritic stainless steel |
| 02/10/2010 | CN101643876A Super-pure smelting method for industrially producing Incone1690 alloy |
| 02/09/2010 | US7658883 Interstitially strengthened high carbon and high nitrogen austenitic alloys, oilfield apparatus comprising same, and methods of making and using same |
| 02/03/2010 | CN100587095C Direct feed-in-stove application method for dust separation briquetting of stainless steel |
| 02/02/2010 | CA2563906C Method for making compacted products and iron-based powder comprising lubricant |
| 01/27/2010 | EP2147985A1 Sintered acoustic and oscillation dampening material |
| 01/27/2010 | EP2147984A1 Sintered material |
| 01/27/2010 | EP2021608B1 Piston for internal-combustion engines |
| 01/27/2010 | CN100584985C Alloy steel for gear wheel and preparation method thereof |
| 01/27/2010 | CN100584984C Alloyed hot galvanizing bake hardening steel plate and method for manufacturing same |
| 01/27/2010 | CN100584982C Boron-containing high-chromium abrasion-proof cast iron and preparation method thereof |
| 01/27/2010 | CN100584475C Manufacture method for high boron high speed steel composite roll by centrifugal casting |
| 01/26/2010 | CA2563475C Iron-based powder comprising a machinability improving combined additive |
| 01/21/2010 | US20100015348 Method of forming a hardened surface on a substrate |
| 01/20/2010 | CN201386132Y Safety gas back flow bus bar structure used in permalloy production |
| 01/20/2010 | CN201386131Y Hydrogen flow adjusting structure used in permalloy production |
| 01/20/2010 | CN100581684C Method for control oxygen content in power |
| 01/14/2010 | DE102006018559B4 Hochtemperatur-Gleitlegierung High temperature sliding alloy |
| 01/13/2010 | EP2144257A1 Process for production of ndfeb sintered magnets |
| 01/13/2010 | CN100580438C Magnetic resonance imaging scanner |
| 01/13/2010 | CN100580118C Method for producing large magnetostriction ferromagnesium alloy thin strip material |
| 01/13/2010 | CN100580117C Method for improving and stabilizing boron recovery rate for vacuum smelting steel containing boron |
| 01/07/2010 | WO2010001878A2 Corrosion-resistant magnet and method for producing the same |
| 01/06/2010 | CN201377973Y Vertical double-side heating vacuum furnace for manufacturing nitrided iron alloy |
| 01/06/2010 | CN101619409A Cast pearlite magnesium copper nodularizer |
| 01/06/2010 | CN101619408A Preparation method of nanoparticles formed in molten steel |
| 01/06/2010 | CN100577846C Copper and nickel alloying twin crystal inducing plasticity steel material and preparation technique |
| 01/06/2010 | CN100577840C Technique for directly smelting stainless steel from dephosphorization blast furnace molten iron in furnace |
| 01/06/2010 | CN100577839C Method for manufacturing 590MPa stage low yield ratio low carbon equivalent weight steel plate for building |
| 12/30/2009 | WO2009155655A1 Manufacture of wear resistant composite components |
| 12/30/2009 | CN201372296Y Pneumatic wire-feeding device comprising straightening wire-leading device |
| 12/30/2009 | CN101613825A Method for producing titanium and steel products by utilizing titanium and iron ores |
| 12/30/2009 | CN100575531C Composite low-carbon free-cutting steel and preparation thereof |
| 12/30/2009 | CN100575528C Cobalt-less multi-element high speed tool steel and its manufacturing method |
| 12/30/2009 | CN100575527C Thin belt continuous casting austenitic stainless steel belt and manufacturing method thereof |
| 12/30/2009 | CN100574910C Centrifugal casting for semi-steel/graphite steel composite roll collar and its preparation method |
| 12/30/2009 | CA2729051A1 Manufacture of wear resistant composite components |
| 12/23/2009 | WO2009154052A1 Fe-based sintered metal bearing and method for producing the same |
| 12/23/2009 | CN101608281A Giant magnetostrictive large volume Fe81Ga19 alloy material and preparation method thereof |
| 12/23/2009 | CN101608280A Compound inoculant used for producing D-type graphite cast iron and preparation method thereof |