| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 07/04/2012 | CN102534354A Alloy gray cast iron piston ring as well as manufacturing method and special template thereof |
| 07/04/2012 | CN102534352A Production method of spheroidal graphite cast iron for hydraulic parts and prepared spheroidal graphite cast iron |
| 07/04/2012 | CN102534351A Furnace charge for synthesizing cast iron and method for preparing submarine petroleum pipelines from furnace charge, and pouring system |
| 07/04/2012 | CN102534350A Manufacturing method of novel iron-base alloy target |
| 07/04/2012 | CN102534349A Alloy steel powder for powder metallurgy, iron-based sintering material and manufacturing method thereof |
| 07/04/2012 | CN102534194A Method for producing ferronickel from lateritic nickel ores |
| 07/04/2012 | CN102534122A Ultrapure smelting method of low-alloy high-strength steel |
| 07/04/2012 | CN102534090A Preparation method of -60-DEG C low-temperature impact nodular cast iron |
| 07/04/2012 | CN102528324A Alloy powder for manufacturing tubular welding wire and preparation method thereof |
| 07/04/2012 | CN102528323A Alloy pipe wire produced by prefabricated alloy powder for overlaying welding of support roller and manufacture method of alloy pipe wire |
| 07/04/2012 | CN102280241B Manufacturing process for iron-silicon-aluminum soft magnetic powder |
| 07/04/2012 | CN102230126B Method for manufacturing micro motor magnet |
| 07/04/2012 | CN102127678B Method for producing hot rolled steel coil |
| 07/04/2012 | CN102029347B Manufacturing method of gear shaft forge piece for offshore drilling platform |
| 07/04/2012 | CN101985721B Method for preparing oriented silicon steel thin strip using aluminum nitride as inhibitor |
| 07/04/2012 | CN101967604B Boron-nitrogen composite microalloyecd steel allowing for high heat input welding and manufacturing method |
| 07/04/2012 | CN101892370B Fe-Cr-Mn-N austenitic stainless steel with good hot workability and manufacturing method thereof |
| 07/04/2012 | CN101824578B production method of iron-based magnetostrictive alloy wire |
| 07/03/2012 | CA2549175C Methods of preparing high density powder metallurgy parts by iron based infiltration |
| 06/28/2012 | WO2012086578A1 Fe-pt ferromagnetic sputtering target and method for producing same |
| 06/28/2012 | WO2012086335A1 Fe-pt-based sputtering target with dispersed c particles |
| 06/27/2012 | CN102517516A Composite microalloyed high impact energy cast steel and manufacturing method thereof |
| 06/27/2012 | CN102517509A HB500 (Brinell Hardness 500) wear-resistant steel plate and preparation method thereof |
| 06/27/2012 | CN102517502A Disk-shaped roller cutter ring and manufacture method thereof |
| 06/27/2012 | CN102517497A Alloy target material in vertical magnetic recording medium and preparation method for alloy target material |
| 06/27/2012 | CN102517494A Rolled steel for wind-power flange and preparation method thereof |
| 06/27/2012 | CN102517490A As-cast bainite vermicular graphite cast iron cylinder jacket and its preparation method |
| 06/27/2012 | CN102181603B Vanadium nitride core-spun yarn and method for realizing molten steel vanadium and nitrogen alloying |
| 06/27/2012 | CN102071360B Tungsten carbide particle-enhanced iron-based powder metallurgy material and preparation method thereof |
| 06/27/2012 | CN102071353B Low-temperature-resistance high-toughness as-cast ductile iron, and production method and application thereof |
| 06/27/2012 | CN102051518B Method for recycling fine ferrovanadium particles |
| 06/27/2012 | CN102002643B Thermocouple protection tube resisting high temperature and corrosion and production method thereof |
| 06/27/2012 | CN101956136B Martensite-granular bainite plastic die steel and manufacturing method thereof |
| 06/27/2012 | CN101709423B Method for improving properties of H13 die steel by adding nitrogen |
| 06/20/2012 | EP2466662A1 Magnetostrictive film, magnetostrictive element, torque sensor, force sensor, pressure sensor, and process for production of magnetostrictive film |
| 06/20/2012 | CN102511071A Permanent magnet and manufacturing method for permanent magnet |
| 06/20/2012 | CN102511069A Permanent magnet and manufacturing method for permanent magnet |
| 06/20/2012 | CN102511068A Permanent magnet and manufacturing method for permanent magnet |
| 06/20/2012 | CN102510782A Powder for magnet |
| 06/20/2012 | CN102505097A Wear-resistant anti-corrosion bushing material for concrete pump truck and preparation method thereof |
| 06/20/2012 | CN101857937B Ferro-silico-aluminum high-pressure alloying pellet and processing technique thereof |
| 06/20/2012 | CN101664663B Corrosion-resistant alkali pan and manufacturing process thereof |
| 06/14/2012 | WO2012075919A1 Lining board for large-scale ball mill and method for heat treatment thereof |
| 06/13/2012 | EP2463397A1 ALLOY COMPOSITION, NANOCRYSTALLINE Fe ALLOY, AND PREPARATION METHOD THEREFOR |
| 06/13/2012 | CN102498531A NdFeB sintered magnet production method and production device, and NdFeB sintered magnet produced with said production method |
| 06/13/2012 | CN102497948A Composition of particulate materials for forming self- lubricating products in sintered steel, product in self- lubricating sintered steel and process for obtaining self-lubricating products in sintered steel |
| 06/13/2012 | CN102492891A Production and application of vermiculizer |
| 06/13/2012 | CN102492890A Low silicon nodularizer and application thereof |
| 06/13/2012 | CN102492889A Production and application of low silicon nodularizer |
| 06/13/2012 | CN102492888A Vermiculizer and application thereof |
| 06/13/2012 | CN102489690A Method for as-cast non-alloying production for QT500-7 main bearing cap of gasoline engine |
| 06/13/2012 | CN102002637B Alloy steel and manufacture method thereof |
| 06/13/2012 | CN102002634B Carbon steel containing vanadium and titanium and manufacture method thereof |
| 06/13/2012 | CN101818308B Steel for longitudinal resistance welded pipe with low yield ratio and manufacturing method thereof |
| 06/13/2012 | CN101736200B High-carbon steel multi-alloy wear-resisting ball and production method thereof |
| 06/13/2012 | CN101586205B Method for producing low-alloy peritectic steel by medium-thickness slab caster |
| 06/06/2012 | CN102485931A Magnetic cast iron and casting process of casting made of the material |
| 06/06/2012 | CN102127713B Oxide dispersion-strengthening ferrite steel with bicrystal structure and production method thereof |
| 06/06/2012 | CN101948983B Preparation method of rail steel |
| 06/06/2012 | CN101914715B Method for smelting stainless steel mother liquor |
| 06/06/2012 | CN101892427B High manganese steel and manufacturing method |
| 06/06/2012 | CN101880830B Steel with Brinell hardness of 430-470 for cutting edge and production method thereof |
| 06/06/2012 | CN101476078B Method for manufacturing super two-phase stainless steel large-sized sea water pump shaft |
| 06/06/2012 | CN101107376B Sintered material, iron-based sintered sliding material and process for producing the same, sliding member and process for producing the same, and connecting apparatus |
| 05/31/2012 | WO2012070383A1 Race ring for rolling bearing, and rolling bearing |
| 05/30/2012 | CN202246815U Liquid iron balling bin |
| 05/30/2012 | CN202246814U Device specially used for producing carbon iron compound material |
| 05/30/2012 | CN102478248A 一种锅炉炉排 A boiler grate |
| 05/30/2012 | CN102477518A 一种汽轮机叶片用钢及其制造方法 Steam turbine blade steel and its manufacturing method |
| 05/30/2012 | CN102477516A 新型铸造模具钢及其制造方法 The new casting mold steel and its manufacturing method |
| 05/30/2012 | CN102477515A Method for preparing high-strength lead-free free cutting steel |
| 05/30/2012 | CN102477513A 一种无铅易切削钢的制备方法 A method for preparing lead-free cutting steel |
| 05/30/2012 | CN102477476A 一种真空感应炉难熔合金的加料方法 A vacuum induction furnace refractory alloy of gold feeding method |
| 05/30/2012 | CN102477475A 一种真空感应炉冶炼含锰钢控制锰含量的方法 A vacuum induction furnace method for controlling manganese content of manganese-containing |
| 05/30/2012 | CN102477474A 一种真空感应炉冶炼钢水的加硫方法 A vacuum induction furnace molten sulfur plus method |
| 05/30/2012 | CN102477473A 一种真空感应炉冶炼含硼钢控制硼含量的方法 A method of vacuum induction furnace control boron content of boron steel |
| 05/30/2012 | CN102477471A 一种控制高碳钢中钛含量的方法 A method of controlling high-carbon steel titanium content method |
| 05/30/2012 | CN102477470A 一种热核实验堆用不锈钢材料夹杂物的控制方法 A method for controlling the ITER stainless steel material inclusions |
| 05/30/2012 | CN102477469A 一种真空感应炉炼钢的方法 A vacuum induction furnace steelmaking methods |
| 05/30/2012 | CN102476176A 炉前铁水包的低合金化预处理 Low alloyed pretreatment ladle furnace |
| 05/30/2012 | CN102476175A 随流孕育装置 Stream inoculation device |
| 05/30/2012 | CN102002627B Method for producing vermicular cast iron brake drum |
| 05/30/2012 | CN101928896B Large-amorphous forming capacity iron-based block amorphous magnetic alloy material and preparation method thereof |
| 05/30/2012 | CN101921952B Electric resistance welding petroleum casing pipe |
| 05/30/2012 | CN101871081B Steel for low-steel-grade continuous oil pipe and manufacturing method thereof |
| 05/30/2012 | CN101845599B Weathering steel and manufacturing method thereof |
| 05/30/2012 | CN101619410B Nanocrystalline high-chromium cast-iron composite nucleating agent for engineering machinery as well as preparation method and application method thereof |
| 05/30/2012 | CN101588883B A diffussion alloyed iron powder |
| 05/30/2012 | CN101497959B Cold rolling baking hardened steel with yield strength 220MPa and production method thereof |
| 05/29/2012 | US8187529 Wear resistant alloy and method of producing thereof |
| 05/24/2012 | WO2012068249A2 Components for exhaust system, methods of manufacture thereof and articles comprising the same |
| 05/24/2012 | WO2012067353A2 Method and apparatus for manufacturing ferrochrome |
| 05/23/2012 | EP2455954A1 Process for production of r-t-b based sintered magnets and r-t-b based sintered magnets |
| 05/23/2012 | EP2455501A1 Method for producing alloy ingots |
| 05/23/2012 | CN202226904U Production equipment for hot-rolling steel for automobile wheel steel ring |
| 05/23/2012 | CN102473516A Process for production of r-Fe-B-based rare earth sintered magnet, and steam control member |
| 05/23/2012 | CN102473515A Process for production of r-t-b based sintered magnets and r-t-b based sintered magnets |
| 05/23/2012 | CN102471853A Iron-based sintered sliding member, and process for production thereof |
| 05/23/2012 | CN102471828A 合金铸锭的制造方法 Alloy ingot manufacturing method |
| 05/23/2012 | CN102465527A 一种金属管桩端接板及其生产工艺 Termination of a metal plate and its production process Pile |