| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 04/13/2011 | CN101660092B High-strength high-tenacity Zr-B composite micro-alloyed steel and manufacturing method thereof |
| 04/13/2011 | CN101643813B Method for producing high-strength automotive brake hub and casting thereof |
| 04/13/2011 | CN101550514B Hot-rolling transformation-induced plasticity steel plate and preparation method thereof |
| 04/13/2011 | CN101397630B Cold-work tool steel article |
| 04/13/2011 | CN101397628B Continuous casting bearing steel round steel and method for producing the same |
| 04/13/2011 | CN101397625B Superfine grain steel sheet with yield strength of 420 MPa grade and method for producing the same |
| 04/07/2011 | WO2011040988A1 Treatment of bauxite residue and spent pot lining |
| 04/07/2011 | WO2011040242A1 Power-transmitting part |
| 04/06/2011 | EP2176018B1 Process for casting a metal melt |
| 04/06/2011 | CN102002643A Thermocouple protection tube resisting high temperature and corrosion and production method thereof |
| 04/06/2011 | CN102002640A Method for preparing high nitrogen steel by adopting pressurized induction |
| 04/06/2011 | CN102002637A Alloy steel and manufacture method thereof |
| 04/06/2011 | CN102002636A Novel material for producing worm gear and production method of worm gear |
| 04/06/2011 | CN102002635A Steel for pressure container in thick specification and preparation method thereof |
| 04/06/2011 | CN102002634A Carbon steel containing vanadium and titanium and manufacture method thereof |
| 04/06/2011 | CN102002633A 碳素钢及其制造方法 Carbon steel and its manufacturing method |
| 04/06/2011 | CN102002627A Method for producing vermicular cast iron brake drum |
| 04/06/2011 | CN102002626A High-temperature-resistant and corrosion-resistant alloy and preparation method thereof |
| 04/06/2011 | CN102002625A Compound nodulizer for ductile cast iron |
| 04/06/2011 | CN102002624A Solid-phase decarburization method of high-carbon Fe-Mn alloy |
| 04/06/2011 | CN102002548A Nodularizer for nodular iron with thick section |
| 04/06/2011 | CN102000954A Method for manufacturing continuous pipe mill retained mandrel |
| 04/06/2011 | CN102000784A Method for controlling large-scale nodular iron cast coagulation tissue |
| 04/06/2011 | CN101694250B 500MPa-grade VN alloying non-tempering seamless steel tube and manufacturing method thereof |
| 04/06/2011 | CN101603141B Method for producing ferronickel by utilizing low-magnesium intermediate type laterite nickel ore |
| 04/06/2011 | CN101586216B Ultra-high strength and toughness bainitic steel and manufacturing method thereof |
| 04/06/2011 | CN101289731B CrMnTi narrow hardenability strip pinion steels and method of manufacture |
| 04/06/2011 | CN101255524B Method for producing nodular graphite cast iron |
| 03/31/2011 | US20110076512 High-strength steel sheet and method of producing molten steel for high-strength steel sheet |
| 03/31/2011 | US20110074530 Mixed rare-earth permanent magnet and method of fabrication |
| 03/30/2011 | EP2302646A1 R-t-cu-mn-b type sintered magnet |
| 03/30/2011 | CN201779998U Metallurgical direct current electric furnace device |
| 03/30/2011 | CN101994061A Steel for petroleum casing pipe and manufacture method thereof |
| 03/30/2011 | CN101994060A Ferrum-aluminium-chromium (Fe-Al-Cr) intermetallic compound powder metallurgy material and preparation method thereof |
| 03/30/2011 | CN101994058A Quake-proof construction steel with lamellar tearing resistance and excellent performance and production method thereof |
| 03/30/2011 | CN101994054A Intermediate containing ultrafine oxide ferroalloy and preparation method thereof |
| 03/30/2011 | CN101994053A Nodular cast iron ultrafine particle nodularizer |
| 03/30/2011 | CN101994018A Process for resistance smelting of Ni-Fe-Tin-Zn alloy through vacuum inflation |
| 03/30/2011 | CN101619408B Preparation method of nanoparticles formed in molten steel |
| 03/30/2011 | CN101603157B Chromium-tungsten-rare earth-boron series air cooling medium-high carbon bainite steel and preparation method thereof |
| 03/30/2011 | CN101572152B Soft magnetic amorphous alloy wire and preparation method thereof |
| 03/30/2011 | CN101476079B High specific resistance magnetic striction composite material and preparation |
| 03/30/2011 | CN101376948B Low-cost high-purity medium carbon bearing steel for automobile hub and manufacturing method thereof |
| 03/30/2011 | CN101243199B Powder metallugically manufactured steel, a tool comprising the steel and a method for manufacturing the tool |
| 03/30/2011 | CN101121997B FeZrYB series massive amorphous alloy with excellent soft magnetic property and preparation method thereof |
| 03/29/2011 | CA2482050C Iterative cycle process for carbon supersaturation of molten metal and solid metals obtained thereby |
| 03/24/2011 | WO2011033056A1 Iron-chromium based brazing filler metal |
| 03/24/2011 | CA2773420A1 Iron-chromium based brazing filler metal |
| 03/23/2011 | EP2299455A2 Corrosion-resistant magnet and method for producing the same |
| 03/23/2011 | CN1812859B A method and apparatus for the production of metal compounds |
| 03/23/2011 | CN101988174A Large-scale ball mill liner and heat treatment method thereof |
| 03/23/2011 | CN101988173A Cast steel material and preparation method thereof |
| 03/23/2011 | CN101988171A Jet continuous spheroidizing process |
| 03/23/2011 | CN101988170A Method for microalloying vanadium and nitrogen in molten iron |
| 03/23/2011 | CN101987348A Method for casting road roller bracket casting |
| 03/23/2011 | CN101481771B Spheroidizing pearlite production method |
| 03/23/2011 | CN101397643B Novel phosphorus and sulphur pig iron for aluminum electrolysis |
| 03/23/2011 | CN101109245B Iron basis powder metallurgy lock case of lock for two-wind door and manufacturing technique thereof |
| 03/16/2011 | EP2294231A1 Method&work piece |
| 03/16/2011 | CN201760584U Cooling device for NdFeB vacuum melting crystallization mould |
| 03/16/2011 | CN101985723A Strengthening preparation method for hot die steel |
| 03/16/2011 | CN101985721A Method for preparing oriented silicon steel thin strip using aluminum nitride as inhibitor |
| 03/16/2011 | CN101985719A Composite additive for smelting high heat input welding low-alloy steel and using method thereof |
| 03/16/2011 | CN101985671A Desulfurization and deoxidization alloying process method in steel making ladle of electric arc furnace |
| 03/16/2011 | CN101660095B Manufacturing method of atmosphere corrosion resistance steel |
| 03/16/2011 | CN101649410B Method for smelting molten steel and adding rear earth by vacuum induction furnace |
| 03/16/2011 | CN101580913B High-chromium cast iron composite inoculant, preparation method and application thereof |
| 03/10/2011 | WO2011027334A1 Processing of metallurgical slag |
| 03/09/2011 | CN101984125A Alloy material resistant to sulphuric acid at 220 DEG C. and method for preparing the same |
| 03/09/2011 | CN101984121A Steel wire rod for 600MPa-grade high-strength welding wire and production process thereof |
| 03/03/2011 | WO2011024936A1 NdFeB SINTERED MAGNET PRODUCTION METHOD AND PRODUCTION DEVICE, AND NdFeB SINTERED MAGNET PRODUCED WITH SAID PRODUCTION METHOD |
| 03/03/2011 | US20110052410 Powder metal scrolls |
| 02/24/2011 | WO2011021418A1 Iron-based sintered sliding member, and process for production thereof |
| 02/24/2011 | US20110044838 Iron Silicide Sputtering Target and Method for Production Thereof |
| 02/24/2011 | DE112009000775T5 Sinterlegierung auf Eisenbasis für einen Ventilsitz und Ventilsitz für einen Verbrennungsmotor Sintered iron-base alloy for a valve seat and valve seat for an internal combustion engine |
| 02/23/2011 | EP2286114A2 Variator |
| 02/23/2011 | EP2285997A1 Amorphous alloy and process for producing products made thereof |
| 02/23/2011 | EP2285996A1 Iron- based pre-alloyed powder |
| 02/23/2011 | CN101981634A R-T-B-type sintered magnet and method for production thereof |
| 02/23/2011 | CN101979696A Method for refining and casting steel for low-temperature nickel pressure container |
| 02/23/2011 | CN101979695A Chromium-free high boron iron-based casting alloy and preparation method |
| 02/22/2011 | US7892316 Fine composite metal particles and their production method, micro-bodies, and magnetic beads |
| 02/16/2011 | CN101978087A Blade made of steel alloy |
| 02/16/2011 | CN101977724A Iron-chromium based brazing filler metal |
| 02/16/2011 | CN101974721A Process for producing medium and high carbon steel in sheet billet continuous casting and rolling production |
| 02/16/2011 | CN101974720A Method for manufacturing spring steel |
| 02/16/2011 | CN101974719A Out-of-furnace iron alloy smelting method and movable double smoke hood |
| 02/16/2011 | CN101691641B Smelting process for steel ingot of main pipe line of primary loop in AP1000 nuclear power technology |
| 02/16/2011 | CN101624676B Hot-rolled beam steel with a tensile strength of more than 710MPa and preparation method thereof |
| 02/09/2011 | EP2282060A2 Powder metal scrolls |
| 02/09/2011 | CN101967608A Nitrogen-containing corrosion-resistance plastic die steel and preparation process thereof |
| 02/09/2011 | CN101967607A Manganese-series ultra-low carbon bainitic steel and preparation method of steel plate thereof |
| 02/09/2011 | CN101967606A Hot rolled steel strip for straight slit electric resistance welding petroleum casing pipe and production method thereof |
| 02/09/2011 | CN101967604A Boron-nitrogen composite microalloyecd steel allowing for high heat input welding and manufacturing method |
| 02/09/2011 | CN101967602A Non-oriented silicon steel thin strip and preparation method thereof |
| 02/09/2011 | CN101967599A Vermiculizer for producing vermicular cast iron cylinder sleeve by centrifugal casting and preparation method thereof |
| 02/09/2011 | CN101967598A Ba-Fe alloy produced by blast furnace |
| 02/09/2011 | CN101967597A Method for producing high-thickness Z-direction steel plate |
| 02/09/2011 | CN101967596A Method for preparing high-performance rare earth-FeCoSi compound with NaZn 13 structure |
| 02/09/2011 | CN101967535A Alloy wire for obtaining fine oxide in low alloy steel and manufacturing method and application thereof |