| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 12/18/2013 | CN103451559A Gas valve alloy material and manufacturing method thereof |
| 12/18/2013 | CN103451555A Stainless steel material for water pump impeller and preparation method thereof |
| 12/18/2013 | CN103451554A Metal material for valve box, and preparation method thereof |
| 12/18/2013 | CN103451546A High-wear-resisting high-manganese steel and preparation method thereof |
| 12/18/2013 | CN103451545A High-strength cast steel material for fork chuck of forklift and preparation method of high-strength cast steel material |
| 12/18/2013 | CN103451540A Ultralow-carbon bainite steel plate and preparation method thereof |
| 12/18/2013 | CN103451539A Chromium-saving type aluminum-containing ferrite stainless steel and preparation method thereof |
| 12/18/2013 | CN103451536A Low-cost thick subsea pipeline steel plate and manufacturing method of low-cost thick subsea pipeline steel plate |
| 12/18/2013 | CN103451534A 60mm steel plate with excellent performance in thickness direction for ocean platform and production method thereof |
| 12/18/2013 | CN103451528A Steel channel for high-strength low temperature resistant hot-rolled forklift mast and preparation method thereof |
| 12/18/2013 | CN103451526A 6-8mm high-strength structural steel plate and manufacture method thereof |
| 12/18/2013 | CN103451522A Production method for high-speed alloy tool steel |
| 12/18/2013 | CN103451516A HRB500 reinforcing steel bar and preparation method thereof |
| 12/18/2013 | CN103451515A Method for controlling AlN inhibitor content in oriented silicon steel |
| 12/18/2013 | CN103451514A Preparing method of Tb-Dy-Ho-Fe giant magnetostrictive material |
| 12/18/2013 | CN103451510A Manufacturing method of vermicular cast iron piston ring |
| 12/18/2013 | CN103451509A Method for smelting high-strength stainless steel |
| 12/18/2013 | CN103451508A Method for preparing high-strength stainless steel |
| 12/18/2013 | CN103451507A Method for reducing inclusion defect rate of coldly-rolled car plate |
| 12/18/2013 | CN103451506A Preparation method of magnesium-iron alloy |
| 12/18/2013 | CN103451505A Method for preparing calcium oxide particle dispersion strengthening iron powder by adopting internal oxidation method |
| 12/18/2013 | CN103451461A Preparation method of high-temperature-corrosion-resistant (Fe, Cr) 23C6 type carbides |
| 12/18/2013 | CN103451457A Method for preparing high-quality ferronickel |
| 12/18/2013 | CN103451362A Method for carrying out boron microalloying on steel by using boric acid instead of ferroboron |
| 12/18/2013 | CN103447545A Method for preparing iron-based friction material by utilizing vacuum carbothermal in-situ reactive sintering from vanadium-titanium magnetite |
| 12/18/2013 | CN103447492A Production process for eliminating boron micro-alloying hot-rolled steel strip edge faults |
| 12/18/2013 | CN103447480A Smelting and casting operation method for producing automobile engine cylinder by adopting composite iron casting technology |
| 12/18/2013 | CN103447123A Grinding ball special for wet mill |
| 12/18/2013 | CN102796962B Niobium, titanium and boron microalloy hot-rolled ribbed bar (HRB) 600 high-performance aseismic reinforcing bar and production thereof |
| 12/18/2013 | CN102758129B Method for manufacturing non-spangle galvanized sheet DX54D+Z from aluminum killed steel |
| 12/17/2013 | CA2526483C A method and apparatus for the production of metal compounds |
| 12/11/2013 | EP2671958A1 Method for producing r-t-b system sintered magnet |
| 12/11/2013 | CN103443885A Rare earth magnet and process for producing same |
| 12/11/2013 | CN103442830A Production method for three-dimensionally shaped object and three-dimensionally shaped object |
| 12/11/2013 | CN103436823A Method for powder metallurgy preparation of self-lubricating bearing material |
| 12/11/2013 | CN103436813A Manufacturing process of alloy steel for rail frogs |
| 12/11/2013 | CN103436811A High-property super-thick steel plate for 500 MPa-level engineering structure and manufacturing method thereof |
| 12/11/2013 | CN103436810A Production process for steel casting of martensitic wear-resistant steel |
| 12/11/2013 | CN103436808A Low-carbon equivalent high strength and toughness cast steel and preparation method thereof |
| 12/11/2013 | CN103436805A Preparation method for alloy-steel roller |
| 12/11/2013 | CN103436804A Production method of riding wheels |
| 12/11/2013 | CN103436800A Iron-chromium alloy having high wear and corrosion resistance and corrosion resistance |
| 12/11/2013 | CN103436790A Wear-resistant steel for ore slurry delivering welded pipe line and manufacturing method thereof |
| 12/11/2013 | CN103436788A Chromium molybdenum alloy low-carbon steel shot and production method thereof |
| 12/11/2013 | CN103436786A Hot-rolling seamless steel tube material for wear resistance and production method thereof |
| 12/11/2013 | CN103436784A Steel plate for offshore platform and preparation method thereof |
| 12/11/2013 | CN103436782A Preparation method of steel alloy |
| 12/11/2013 | CN103436778A Cold-strip steel with low-temperature toughness for flux-cored wires and production method of cold-strip steel |
| 12/11/2013 | CN103436777A Method for refining cold forging steel |
| 12/11/2013 | CN103436776A Preparation method of carbide strengthening heat-resistant steel matrix composite |
| 12/11/2013 | CN103436774A Preparation method for high-chromium cast iron, thin-wall pipe fitting and preparation method of thin-wall pipe fitting |
| 12/11/2013 | CN103436773A Preparation method of wear-resistant high-chromium cast iron |
| 12/11/2013 | CN103436772A Low-temperature tough ferrite nodular cast iron of 60 DEG C below zero and preparation method thereof |
| 12/11/2013 | CN103436769A Fe-Cr-B-Al casting alloy capable of resisting high temperature wear |
| 12/11/2013 | CN103436768A Method for preparation of high-strength stainless steel by using high alloy melt |
| 12/11/2013 | CN103436767A Manufacturing method for abrasion-resistant steel casting |
| 12/11/2013 | CN103436766A Preparation method for nickel-chrome-containing alloy steel |
| 12/11/2013 | CN103436765A Preparation method for niobium microalloyed steel |
| 12/11/2013 | CN103436764A Process for producing heat-resisting alloy steel casting below 1100 DEG C |
| 12/11/2013 | CN103436763A Method for preparing magnesium oxide particle dispersion-strengthened iron powder by internal oxidation method |
| 12/11/2013 | CN103436762A Method for preparing FeSiAl alloy through high-velocity compaction forming |
| 12/11/2013 | CN103436698A Method for directly reducing laterite-nickel ore to produce ferronickel alloy |
| 12/11/2013 | CN103433488A Preparation method of titanium nitride-ferrous metal ceramics |
| 12/11/2013 | CN103433471A Spheroidizing method of nodular cast iron |
| 12/11/2013 | CN102560228B Method for producing wheel made of austempered ductile iron (ADI) material |
| 12/11/2013 | CN102400033B Alloy cast iron material used for producing explosion-proof motor casting |
| 12/10/2013 | US8603213 Dispersoid reinforced alloy powder and method of making |
| 12/04/2013 | CN103430248A 磁性材料 Magnetic materials |
| 12/04/2013 | CN103422027A Economical low yield point steel and production method thereof |
| 12/04/2013 | CN103422026A High strength steel containing niobium and titanium |
| 12/04/2013 | CN103422024A CrMnN alloy and preparation method thereof |
| 12/04/2013 | CN103422022A Large-thickness steel plate for low-temperature structure and production method thereof |
| 12/04/2013 | CN103422021A Low-yield-ratio structural steel with yield ratio equal to or larger than 550MPa and manufacturing method thereof |
| 12/04/2013 | CN103422020A Steel plate for punching-welding axle housing and manufacturing method thereof |
| 12/04/2013 | CN103422013A Preparation method of calcium-iron composite material |
| 12/04/2013 | CN103422012A Preparation method of NdFeB magnetic material |
| 12/04/2013 | CN103422010A Wet mill dedicated liner plate |
| 12/04/2013 | CN103422009A Nodular cast iron for rear axle housing of lorry and production method of nodular cast iron |
| 12/04/2013 | CN103422008A Production and application of vermicular graphite cast iron vermiculizer |
| 12/04/2013 | CN103422007A Preparation method of high temperature resistant and abrasion resistant alloy steel containing aluminum-boron-chromium |
| 12/04/2013 | CN103422006A Boron-containing steel production method for reducing steel ladle lining refractory consumption |
| 12/04/2013 | CN103422005A Method for preparing iron-based friction material by carbothermic in-situ reaction sintering of vanadium-titanium magnetite |
| 12/04/2013 | CN103421922A Method for producing ferronickel by processing laterite nickel ore in Sulawesi, Indonesia through RKEF technology |
| 12/04/2013 | CN102505097B Wear-resistant anti-corrosion bushing material for concrete pump truck |
| 12/04/2013 | CN102264932B Alloy material for r-t-b system rare earth permanent magnet, method for producing r-t-b system rare earth permanent magnet, and motor |
| 11/28/2013 | WO2013173916A1 Alloys of the type fe3alta(ru) and use thereof as electrode material for the synthesis of sodium chlorate or as corrosion resistant coatings |
| 11/27/2013 | EP2667391A1 Method of producing r-t-b sintered magnet |
| 11/27/2013 | CN203307405U Device capable of reducing Ga (gallium) loss in process of smelting neodymium iron boron |
| 11/27/2013 | CN103413668A Method for preparing dysprosium iron neodymium-iron-boron magnet |
| 11/27/2013 | CN103409701A Powder metallurgy product and preparation method thereof |
| 11/27/2013 | CN103409692A Impact resistance and wear resistance alloy and production process thereof |
| 11/27/2013 | CN103409691A Powder metallurgy tool steel and preparation method thereof |
| 11/27/2013 | CN103409688A Large forged high-speed steel cold roll and manufacturing method thereof |
| 11/27/2013 | CN103409687A Powder metallurgy supporting seat and preparation method thereof |
| 11/27/2013 | CN103409685A Seamless steel pipe for conventional island in nuclear power plant and production process thereof |
| 11/27/2013 | CN103409683A 600MPa hot rolled ribbed steel bar and production method thereof |
| 11/27/2013 | CN103409681A High-chromium cast iron, thin-walled tube prepared from same, and preparation method of thin-walled tube |
| 11/27/2013 | CN103409680A Method for melting molten iron |
| 11/27/2013 | CN103409679A Method for adding microalloy of zirconium and zirconium in smelting process |
| 11/27/2013 | CN103409678A Sintered Fe-Al-based alloy porous material and filtering element employing same |