Patents for C22C 33 - Making ferrous alloys (11,268)
01/2013
01/23/2013CN102888569A Ti-containing stainless steel electrode smelted in electroslag under protection of argon atmosphere
01/23/2013CN102888568A Austenite nickel-saving and heat-resisting steel plate and manufacturing method thereof
01/23/2013CN102888566A Medical high-nitrogen nickel-free austenitic stainless steel material and production method thereof
01/23/2013CN102888562A Damper compression valve and preparation method thereof
01/23/2013CN102888561A Preparation method of high-strength ferroalloy
01/23/2013CN102888556A Deformed reinforced bar for American standard concrete and production method thereof
01/23/2013CN102888554A Preparation method of calcium-ferrum alloy
01/23/2013CN102888553A Preparation method of modified normal white cast iron
01/23/2013CN102888552A Raw material composition and production method for plate type precision valve cast
01/23/2013CN102888551A High-temperature-resistant antioxidant exhaust manifold nodular cast iron and preparation method thereof
01/23/2013CN102888550A Smelting method of high-purity and high-nitrogen duplex stainless steel
01/23/2013CN102888485A Modificator for changing growth morphology of primary austenite of gray cast irons, preparation method and application thereof
01/23/2013CN102888484A Method for producing high-strength cast iron by using waste iron and steel
01/23/2013CN102392173B Preparation method of open-cell formed steel
01/23/2013CN102304672B Preparation method of low and medium alloy wear resistant steel
01/23/2013CN102181755B Low calcium-aluminum-manganese-iron alloy and preparation method thereof
01/23/2013CN102154585B High-intensity quake-resistant steel bar for buildings and manufacturing method thereof
01/23/2013CN102021468B Smokeless spheroidizing method
01/23/2013CN101988173B Cast steel material and preparation method thereof
01/17/2013WO2013008756A1 Alloy for r-t-b-based rare earth sintered magnet, process for producing alloy for r-t-b-based rare earth sintered magnet, alloy material for r-t-b-based rare earth sintered magnet, r-t-b-based rare earth sintered magnet, process for producing r-t-b-based rare earth sintered magnet, and motor
01/16/2013CN102884210A Spheroidizing method
01/16/2013CN102878797A Shaft furnace and method for operating same
01/16/2013CN102877002A Heat resistant steel for boiler parts and manufacture method of heat resistant steel
01/16/2013CN102876997A Easy-welding tempering high-strength steel plate for ocean platform and production method thereof
01/16/2013CN102876995A High-strength corrosion-resisting steel material and manufacturing method thereof
01/16/2013CN102876994A Heat resistant steel for worm gear member and manufacture method of heat resistant steel
01/16/2013CN102876993A High-strength corrosion-resisting steel material and manufacturing method thereof
01/16/2013CN102876992A High-strength corrosion-resisting steel material and manufacturing method thereof
01/16/2013CN102876989A Corrosion-resisting antibacterial stainless steel and manufacturing method thereof
01/16/2013CN102876987A High-strength corrosion-resisting stainless steel and manufacturing method thereof
01/16/2013CN102876986A High-strength corrosion-resistance stainless steel and manufacturing method thereof
01/16/2013CN102876983A Production process for 82B wire rod used for high strength prestressed steel wire and wire rod thereof
01/16/2013CN102876981A Method for preparing medium and low carbon chrome-silicon-manganese martensite cast steel with hardening surface layer
01/16/2013CN102876979A Steel tube for perforating guns and manufacturing method thereof
01/16/2013CN102876976A Method for preparing high-strength iron alloy
01/16/2013CN102876975A Method for preparing iron alloy material
01/16/2013CN102876974A Preparing method of corrosion-resistant ferrous alloy
01/16/2013CN102876973A Method for preparing corrosion-resistant iron alloy
01/16/2013CN102876972A Production method of ultra-high strength steel plate
01/16/2013CN102876970A Steel with yield strength larger than or equal to 390 MPa for high-rise buildings and production method of steel
01/16/2013CN102876966A Preparation method of as-cast high manganese steel through forging processing
01/16/2013CN102876964A Gray cast iron and production technology thereof
01/16/2013CN102876961A Novel ultralow-manganese and high-chromium wear-resistant and corrosion-resistant cast grinding ball
01/16/2013CN102876960A Method for increasing nitrogen content in YQ450NQR1 steels
01/16/2013CN102876959A Method for preparing calcium iron alloy
01/16/2013CN102873329A Method for preparing large-size high-vanadium die steel by spray forming process
01/16/2013CN102212757B Alloy steel for large wind-driven power generation device and manufacturing process of workpiece made of same
01/16/2013CN102021469B Powder for strengthening wear resistance of high-chromium iron, preparing method thereof and wear resistant castings
01/16/2013CN101886225B Corrosion-resistant and abrasion-resistant steel and preparation method thereof
01/15/2013CA2448381C Method for manufacturing metal nuggets
01/10/2013DE10260600B4 Gusseisen mit verbesserter Oxidationsbeständigkeit bei hohen Temperaturen Cast iron having improved oxidation resistance at high temperatures
01/09/2013CN102867607A Preparation method of high-strength high-hardness iron nickel soft magnetic material
01/09/2013CN102867603A Neodymium iron boron permanent magnet material and manufacturing technique thereof
01/09/2013CN102864395A High temperature wear-resisting self-lubricating composite material added with MoSe2 and preparation method of composite material
01/09/2013CN102864386A Low-nickel stainless steel alloy material and preparation method
01/09/2013CN102864382A Method for reducing X20Cr13 longitudinal and transverse mechanical property differences
01/09/2013CN102864380A Low-nickel stainless steel alloy and preparation method thereof
01/09/2013CN102864378A Process for smelting low-cost X70 pipeline steel moderate-thickness plate blanks
01/09/2013CN102864377A Hot rolled strip steel and manufacturing method thereof
01/09/2013CN102864376A High-strength full-thread equal-strong resin bolting reinforcing bar and production method thereof
01/09/2013CN102864373A Method for manufacturing stainless steel plate
01/09/2013CN102864372A Wear-resisting rolling mill guide and guard and manufacture method thereof
01/09/2013CN102864368A Inoculated cast iron and preparation method thereof
01/09/2013CN102864367A Gray cast iron alloy
01/09/2013CN102864366A Composite rare earth additive used for high Mn-Fe-based memory alloy
01/09/2013CN102864363A Nano-crystalline soft magnetic alloy material
01/09/2013CN102864362A Nanocrystalline magnetically soft alloy material and preparation method thereof
01/09/2013CN102864301A Automatic production line of directly-reduced ferronickel
01/09/2013CN102864269A Method for preparing low-temperature-resistant corrosion-resistant wind-power spherulitic graphite cast iron
01/09/2013CN102864268A Method for preparing austenitic-bainitic high- strength alloy gray iron
01/09/2013CN102352460B High-chromium white cast iron spherical plug and preparation method thereof
01/09/2013CN102337460B Ultrahigh-strength structural steel board for ocean engineering and production method thereof
01/09/2013CN102337447B Nodular cast iron and production method thereof
01/09/2013CN102304668B Preparation method of high performance ultra-thick steel plate
01/09/2013CN102304667B X100 pipeline steel plate with good low temperature toughness and preparation method thereof
01/09/2013CN102277533B In-situ nano TiC ceramic particle reinforced iron matrix composite material and preparation method thereof
01/09/2013CN102268597B Steel for hollow rivet and production method thereof
01/09/2013CN102260818B Manufacturing method of high-silicon anticorrosion cast iron
01/09/2013CN102251164B Smelting method for wind generating set casting
01/09/2013CN102127680B Production method of hot rolled steel coil for shipbuilding
01/03/2013WO2013002170A1 Rh diffusion source, and method for producing r-t-b-based sintered magnet using same
01/03/2013WO2012137070A3 Martensitic antibacterial stainless steel and manufacturing method thereof
01/03/2013US20130000776 Shape memory alloy-based device for controlling or monitoring pressure in a system
01/02/2013EP2540852A1 Valve seat
01/02/2013CN202639310U Balling desulfurization bag
01/02/2013CN102851618A Low nickel stainless steel alloy material and preparation method thereof
01/02/2013CN102851615A Tensile strength 800 MPa grade structure steel plate with low yield ratio and manufacture method thereof
01/02/2013CN102851606A Low cost double phase stainless steel material for valve, and preparation method thereof
01/02/2013CN102851600A Low-temperature X65 pipeline steel with high toughness and manufacture method thereof
01/02/2013CN102851599A Thick-wall low-cost X65 hot rolled coil for spiral welded tubing and manufacture method thereof
01/02/2013CN102851597A Anti-abrasion sink roller shaft sleeve and manufacturing method thereof
01/02/2013CN102851594A Low-cost smelting silicon-controlling method for hydro-chrome-molybdenum steel
01/02/2013CN102851589A Steel for low temperature structure with low yield ratio and capable of performing ultrahigh heat input and manufacture method thereof
01/02/2013CN102851581A HRB700 steel bar and production method thereof
01/02/2013CN102851578A Steel plate with super-large thickness for nuclear power engineering equipment and production method thereof
01/02/2013CN102851575A Oxidation-resistant alloying grey cast iron and preparation method thereof
01/02/2013CN102851574A Heatproof alloy vermicular cast iron and method for preparing same
01/02/2013CN102851571A Low-temperature-resistant and high-toughness nodular cast iron and preparation method thereof
01/02/2013CN102851568A Alloy vermicular cast iron glass mold material and preparation method thereof
01/02/2013CN102851567A Cast iron alloy
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