Patents for C22C 33 - Making ferrous alloys (11,268)
11/2010
11/24/2010CN101892422A Steel for petroleum casing pipe, high-frequency electric resistance welding petroleum casing pipe and methods for manufacturing steel for petroleum casing pipe and high-frequency electric resistance welding petroleum casing pipe
11/24/2010CN101892416A Technology for processing wind driven generator hub
11/24/2010CN101892415A Method for producing castings by utilizing waste scrap iron and waste steel
11/24/2010CN101892414A Method for producing alloy steel by directly utilizing low-grade nickel-chromium commensal iron ore
11/24/2010CN101892413A Process for smelting ferronickel in tunnel kiln
11/24/2010CN101892387A Method for producing ferrotitanium
11/24/2010CN101892370A Fe-Cr-Mn-N austenitic stainless steel with good hot workability and manufacturing method thereof
11/24/2010CN101890496A Powder metallurgical composition comprising carbon black as flow enhancing agent
11/24/2010CN101481775B Steel for oil refining boiler tube and process channel and manufacturing method thereof
11/24/2010CN101397637B 13Cr high anti-carbon dioxide and trace hydrogen sulfide corrosion tubing and casing steel and method for producing the same
11/24/2010CN101240397B Converter-RH-LF-continuous casting technique for producing pipe line steel
11/24/2010CN101070578B High-chromium cast-iron boiler atomizing piece and manufacturing method
11/18/2010US20100288982 Low energy milling method, low crystallinity alloy, and negative electrode composition
11/18/2010US20100288077 Method of making an alloy
11/17/2010EP2251443A1 Treatment ladle
11/17/2010CN201637267U Crucible lining for smelting NdFeB (neodrymium iron boron)
11/17/2010CN201632636U Covered nodulizing bag
11/17/2010CN101886225A Corrosion-resistant and abrasion-resistant steel and preparation method thereof
11/17/2010CN101886219A Particle-reinforced antiwear steel composite material and preparation method thereof
11/17/2010CN101886216A Preparation method of Fe-6.5% Si alloy magnetic powder core with small amount of P
11/17/2010CN101886214A Electromagnetic wave absorbing material
11/17/2010CN101886213A Ultra-disperse structure complex phase alloy steel and preparation method thereof
11/17/2010CN101886211A Special grinding ball of titanium dioxide and preparation method thereof
11/17/2010CN101886210A Formula of vermicular cast iron dual mass flywheel and preparation method thereof
11/17/2010CN101886209A Medium silicon-molybdenum vermicular iron material
11/17/2010CN101886208A Medium silicon-molybdenum ductile iron material
11/17/2010CN101886207A GRTCr heat resisting iron casting for hot-blast furnace and production method thereof
11/17/2010CN101886206A Wear-resistant cast iron material and preparation method thereof
11/17/2010CN101886205A Wear-resistant cast iron alloy and preparation method thereof
11/17/2010CN101886204A Manufacture method of multi-element alloying heat and wear resisting high-chromium steel casting
11/17/2010CN101886192A Method for preparing high-performance iron nickel magnetically soft alloy by using powder metallurgy process
11/17/2010CN101451209B Method for adding ferroboron during steel smelting process
11/17/2010CN101316674B Process for producing rare-earth permanent magnet material
11/16/2010CA2580509C Powder metal composition comprising secondary amides as lubricant and/or binder
11/16/2010CA2352123C Iron-based powders for powder metallurgy
11/11/2010WO2010128273A1 Treatment ladle
11/11/2010CA2760249A1 Treatment ladle
11/10/2010EP2248617A2 Iron powder coated with Mg-containing oxide film
11/10/2010EP1812187B1 Powder metal composition comprising secondary amides as lubricant and/or binder
11/10/2010CN101880858A Ferrocobalt magnetic sputtering target with high magnetic flux and manufacture method thereof
11/10/2010CN101880833A Stainless bearing steel adopting microalloying of rare earth and applicable to manufacturing miniature and small-size bearings and manufacturing method thereof
11/10/2010CN101880830A Steel with Brinell hardness of 430-470 for cutting edge and production method thereof
11/10/2010CN101880828A Preparation method of low-alloy manganese martensite wear resistant cast steel
11/10/2010CN101880826A Non-hardened bainite cold heading steel for fastener and manufacturing method thereof
11/10/2010CN101880817A Electromagnetic wave absorbing material formed by planar 2:17 rare earth-3d transition intermetallic compounds
11/10/2010CN101880743A Technology for performing manganese ore alloying by converter less-slag melting
11/10/2010CN101465406B High-performance polycrystal texture Fe-Ga-based magnetic deformation slice material and preparation method thereof
11/10/2010CN101258259B A maraging steel article and method of manufacture
11/10/2010CN101022903B Powder metal composition comprising secondary amides as lubricant and/or binder
11/03/2010EP1537929B1 Metal powder for powder metallurgy and iron-based sintered compact
11/03/2010CN101876027A High-chromium grinding ball and secondary modification process thereof
11/03/2010CN101876026A ADI (Austempered Ductile Iron) piece with high toughness and high strength and manufacturing method thereof
11/03/2010CN101876025A Production method of low alloy bucket teeth
11/03/2010CN101876024A Production method for high-chrome continuous cast billet containing N duplex stainless steel of pipe blank
11/03/2010CN101876023A Microcellular foam iron and preparation method thereof
11/03/2010CN101876022A Foam-state porous iron and preparation method thereof
11/03/2010CN101876021A Organic foam dipping and sintering method for preparing macro mesh porous iron
11/03/2010CN101603143B High temperature resistant nodular cast iron pipe fittings and production method thereof
11/03/2010CN101597712B Stainless steel powder metallurgy material preparation method
11/03/2010CN101525717B Ti microalloyed ultra-fine grain hot rolled steel at 700MPa class and production method thereof
11/03/2010CN101487102B Non-molybdenum non-nickel middle chrome wear resistant steel casting and heat treatment method thereof
11/03/2010CN101353750B Refining method by in situ extraction of inclusion content in melting steel
11/02/2010US7824605 As-cast carbidic ductile iron
11/01/2010CA2665220A1 Refinement of steel
10/2010
10/27/2010EP2242862A2 Method for producing a steel melt containing up to 30% of manganese
10/27/2010EP1552027B1 Hard metallic materials,hard metallic coatings, methods of processing metallic materials and methods of producing metallic coatings
10/27/2010CN101871081A Steel for low-steel-grade continuous oil pipe and manufacturing method thereof
10/27/2010CN101871079A Copper-bearing ferritic antibacterial stainless steel and manufacturing method thereof
10/27/2010CN101871078A Super-high strength cold rolled steel and manufacturing method thereof
10/27/2010CN101871075A Ferro-manganese-based corrosion-resistant high damping alloy and manufacturing method thereof
10/27/2010CN101871073A Method for preparing calcium-containing ferroalloy
10/27/2010CN101871072A Method for recovering, smelting and reusing base material in jet mill procedure for sintered NdFeB production
10/27/2010CN101871071A Manufacturing method of soft magnet silicon-aluminum alloy magnetic powder core with small amounts of rare earth element cerium or lanthanum
10/27/2010CN101871032A Production method for high-temperature alloy tank
10/27/2010CN101476087B Fluidized bed furnace central drum alloy production method thereof
10/27/2010CN101289713B Production process of vanadium-nitrogen alloy
10/27/2010CN101082106B Method for producing X65 pipe steel with low cost
10/26/2010CA2356253C A die lubricant comprising a higher-melting and a lower-melting lubricants
10/21/2010DE112008003493T5 Verfahren zur Herstellung eines Permanentmagneten A process for producing a permanent magnet
10/20/2010CN101864767A Metal tube pile butt plate and production process thereof
10/20/2010CN101864766A Metal tube pile butt plate and production process thereof
10/20/2010CN101864538A Nickel-free weather-resistant steel and method for preparing hot rolled plate thereof
10/20/2010CN101864533A Grinding ball specialized for mine
10/20/2010CN101862694A Combined type mechanically crushing machine hammer and manufacturing method thereof
10/20/2010CN101525719B Nucleating agent used for producing thin-wall malleable iron component by metal mold
10/20/2010CN101481772B High-carbon steel wire for superfine steel wire and manufacturing method thereof
10/19/2010US7815847 Mass production of tridimensional articles made of intermetallic compounds
10/13/2010CN201605308U 耐磨合金钢产品的制造设备 Wear-resistant alloy steel products manufacturing equipment
10/13/2010CN101857941A Medium-carbon alloy cast steel shots and manufacturing method thereof
10/13/2010CN101857938A High-silicon and medium-chromium grinding ball and secondary metamorphic processing technique thereof
10/13/2010CN101857937A Ferro-silico-aluminum high-pressure alloying pellet and processing technique thereof
10/13/2010CN101509105B Method of producing FeTbBSi amorphous alloys with excellent magnetic property
10/13/2010CN101481773B Big magnetostriction alloy with high mechanical strength and manufacturing method thereof
10/13/2010CN101353760B High magnetic induction grain-oriented silicon steel and production method thereof
10/13/2010CN101333619B Technological process for controlling secondary recrystallization crystal particle dimension of oriented silicon steel
10/13/2010CN101311293B Large-scale mold module and method for manufacturing same
10/13/2010CN101311289B Steel for stamping die and method of manufacture
10/13/2010CN101187295B Super high intensity anti-corrosion pumping rod production method
10/13/2010CN101168817B Method for increasing nitrogen content of nitrogen-containing clean steel
10/07/2010WO2010113482A1 Nanocomposite bulk magnet and process for producing same
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