Patents for C22C 33 - Making ferrous alloys (11,268)
10/2012
10/03/2012CN102134675B Non-oriented electrical steel for thin slab continuous casting-continuous rolling production and method thereof
10/03/2012CN102061426B 400-420mm large-thickness low-alloy high-strength constructional steel and production method thereof
10/03/2012CN102061424B Super-thick Q390GJC-Z35 steel plate for high-rise buildings and production method thereof
10/03/2012CN102041438B Low-alloy high-strength structural-steel extra-thick board Q460C and production method thereof
10/03/2012CN101962737B Multi-element alloyed ultrahigh-strength sucker rod steel and manufacturing method thereof
09/2012
09/27/2012US20120241670 Metal matrix composite, and preparation method thereof
09/26/2012EP2503573A1 Permanent magnet and manufacturing method for permanent magnet
09/26/2012EP2503572A1 Permanent magnet and manufacturing method for permanent magnet
09/26/2012EP2503570A1 Permanent magnet and manufacturing method for permanent magnet
09/26/2012EP2503569A1 Permanent magnet and manufacturing method for permanent magnet
09/26/2012EP2503568A1 Permanent magnet and manufacturing method for permanent magnet
09/26/2012EP2503566A1 Permanent magnet and manufacturing method for permanent magnet
09/26/2012EP2503562A1 Permanent magnet and manufacturing method for permanent magnet
09/26/2012EP2503561A1 Permanent magnet and manufacturing method for permanent magnet
09/26/2012EP2502689A2 Iron powder coated with Mg-containing oxide film
09/26/2012CN102691019A Method for smelting nitrogen-controlled nuclear-grade stainless steel
09/26/2012CN102691017A Low-cost wear resistant steel plate with hardness of NM550 and manufacturing method thereof
09/26/2012CN102691005A Low alloy die steel
09/26/2012CN102691001A Method for manufacturing austenitic stainless steel with excellent surface polishing processing performance
09/26/2012CN102690996A High-temperature seamless ferritic alloyed steel and production method thereof
09/26/2012CN102690993A Water cooled wall seamless tube used for thermal power and production method thereof
09/26/2012CN102690992A Method for producing casing pipe for thickened oil thermal production well
09/26/2012CN102690988A Fine crystalline high-strength silicomanganese bainite abrasion-resistant cast steel and preparation method thereof
09/26/2012CN102690987A Microalloyed high-strength synthetic gray cast iron and casting method thereof
09/26/2012CN102690986A Smelting method for medium-thin wall cast-state nickel-free low-temperature ductile cast iron
09/26/2012CN102690985A Spheroidizing method
09/26/2012CN102690966A Method for manufacturing porous foam alloy from stainless steel scrap
09/26/2012CN102690943A Method for producing nickel matte by melting through dry red soil type nickel ore melting tank
09/26/2012CN102268598B Steel for U-shaped umbrella frame and production method thereof
09/26/2012CN102127677B Method for producing hot rolled steel coil
09/26/2012CN101994060B Ferrum-aluminium-chromium (Fe-Al-Cr) intermetallic compound powder metallurgy material and preparation method thereof
09/26/2012CN101905411B Method for manufacturing coupler for distributor of automobile engine
09/26/2012CN101775560B Nickel-saving austenitic stainless steel and production method thereof
09/26/2012CN101509108B Bulk amorphous alloy magnetostriction material and method of producing the same
09/20/2012WO2012124828A1 Production method for three-dimensionally shaped object and three-dimensionally shaped object
09/20/2012WO2012124387A1 Magnetic material
09/20/2012WO2012106837A8 Smokeless spheroidization processing method
09/20/2012WO2012106837A1 Smokeless spheroidization processing method
09/19/2012CN202440525U Multichannel hot metal pretreatment and desulfuration spray gun
09/19/2012CN102686758A Method for melting high-carbon ferrochrome
09/19/2012CN102682987A Preparation method of rare-earth permanent magnet, preparation device and rare-earth permanent magnet prepared thereby
09/19/2012CN102676955A Low-carbon high-sulfur free-cutting steel with excellent cutting performance and manufacturing method thereof
09/19/2012CN102676943A Copper bearing antimicrobial duplex stainless steel and preparation method thereof
09/19/2012CN102676941A Tungsten carbide particle-reinforced wear-resistant corrosion-resistant stainless steel and preparation method thereof
09/19/2012CN102676934A Preparation method of 55Si2Mn alloy steel
09/19/2012CN102676933A Low-alloy super-strength high-toughness steel plate and production method thereof
09/19/2012CN102676928A Powder metallurgy method
09/19/2012CN102676923A Steel with ultra-high thermal conductivity for hot-stamping die and preparation method of steel
09/19/2012CN102676921A Cold-resistant high-strength hot-rolled angle steel and production method thereof
09/19/2012CN102676913A Cold-rolled steel strip for flux-cored wire and production method of cold-rolled steel strip
09/19/2012CN102676911A Wear-resistant cast iron disc and production process thereof
09/19/2012CN102676910A Vermicular iron and preparation method thereof and flywheel made of same
09/19/2012CN102676907A Wear-resistant and corrosion-resistant iron-based material and preparation method thereof
09/19/2012CN102676906A Preparation method of compacted graphite cast iron
09/19/2012CN102676905A Method for smelting ultra-pure austenite nuclear grade stainless steel
09/19/2012CN102181810B Antifriction vermicular cast iron material and preparation method
09/19/2012CN102061425B High-sensitivity magnetically sensitive material with wide linear area
09/19/2012CN102041459B Steel plate HT690 capable of being subjected to high heat input welding and manufacturing method thereof
09/19/2012CN101928890B Cr-containing steel for wire line core drilling and manufacturing method thereof
09/19/2012CN101928888B Low-alloy steel for resisting carbon dioxide corrosion and manufacturing method thereof
09/19/2012CN101471165B NbFeB sintered rare earth permanent magnet alloy and method for producing the same
09/13/2012WO2012121351A1 Rare earth magnet and process for producing same
09/13/2012WO2012119925A1 Hot-work tool steel and a process for making a hot-work tool steel
09/13/2012CA2828962A1 Hot-work tool steel and a process for making a hot-work tool steel
09/12/2012CN102667978A Rare earth magnet material and method for producing the same
09/12/2012CN102666895A Iron based powder composition
09/12/2012CN102665970A Powder for magnetic member, powder compact, and magnetic member
09/12/2012CN102660709A High-strength wear-resisting alloy and preparation method thereof
09/12/2012CN102660657A Low-cost production process for as-cast high-elongation nodular cast iron
09/05/2012EP2494083A1 Iron based powder composition
09/05/2012CN202411353U Stream inoculation device
09/05/2012CN102656288A Nitrogen containing, low nickel sintered stainless steel
09/05/2012CN102655966A Iron-based sintered powder metal for wear resistant applications
09/05/2012CN102653842A High-strength and wear-resistant cast-steel conical liner plate for crushers and manufacturing method thereof
09/05/2012CN102653811A Method for deoxidization and alloying by using ferro-silico-manganese alloy
09/05/2012CN102653807A Method for smelting ultralow-carbon blade steel
09/05/2012CN102652967A Method for manufacturing high-magnesium-alloy solid cored wire
09/05/2012CN102134674B Method for producing wear-resistant high chromium white cast iron
09/05/2012CN102127681B Production method of hot rolled steel coil
09/05/2012CN102011049B Ta-doped FeCo-based soft magnetic alloy and preparation method thereof
09/05/2012CN101935809B High performance rare-earth duplex stainless steel alloy material and preparation method thereof
09/05/2012CN101851725B Alloy for improving shapes of carbides in nickel-hardened indefinite chilled cast iron and manufacturing method
09/05/2012CN101812626B Vermiculizer for thin-wall cast iron and melting method thereof
09/05/2012CN101604568B Magnetic field oriented flaky soft magnetic composite material and preparation method thereof
09/04/2012US8257462 Iron-based sintered powder metal for wear resistant applications
08/2012
08/30/2012WO2012113184A1 Non-oriented electric steel produced by thin slab continuously casting and rolling and producing method thereof
08/29/2012CN202401117U Cored wire
08/29/2012CN102127679B Method for producing hot-rolled steel coil
08/29/2012CN102002624B Solid-phase decarburization method of high-carbon Fe-Mn alloy
08/29/2012CN101974719B Out-of-furnace iron alloy smelting method and movable double smoke hood
08/29/2012CN101967597B Method for producing high-thickness Z-direction steel plate
08/22/2012EP2488675A1 Nitrogen containing, low nickel sintered stainless steel
08/22/2012EP2488318A2 Iron-based sintered powder metal for wear resistant applications
08/22/2012CN202387923U Automatic stream inoculation device
08/22/2012CN102644033A Axle steel used for railway vehicle and preparation method for axle steel
08/22/2012CN102644031A Hot rolling container steel without punctiform surface defect and manufacturing method thereof
08/22/2012CN102644022A Manufacturing method for ferritic stainless steel strip containing molybdenum
08/22/2012CN102644018A Smelting process used for plate blanks of medium and heavy plates of hydrogen induced cracking resistant pipeline steel
08/22/2012CN102644017A Dewaxing casting process for nodular iron castings
08/22/2012CN102162065B 550Mpa yield-strength low-carbon bainitic steel for engineering machinery and preparation method thereof
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