| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 09/14/2011 | CN102181777A Stainless steel 431 smelting method |
| 09/14/2011 | CN102181776A Technique and device for producing high-grade nickel and stainless steel by reduction pelletization |
| 09/14/2011 | CN102181775A Method for mechanically homodispersing iron 15 copper-6.5 nickel-plated graphite semisolid slurry |
| 09/14/2011 | CN102181774A Method for mechanically homodispersing iron 15 copper-3.5 boron nitride semisolid slurry |
| 09/14/2011 | CN102181773A Uniform dispersion method for boron nitride particles in semisolid slurry consisting of 14.475 weight percent of copper, 82.025 weight percent of ferrum and 3.5 weight percent of boron nitride particles |
| 09/14/2011 | CN102181772A Method for homodispersing graphite particles in iron 15 copper-3 graphite graphite semisolid slurry |
| 09/14/2011 | CN102181771A Mechanical homodisperse method for ferrum 15 copper-5 alumina semi-solid slurry |
| 09/14/2011 | CN102181770A Method for homodispersing aluminum oxide particles in iron 15 copper-5 aluminum oxide semisolid slurry |
| 09/14/2011 | CN102181755A Low calcium-aluminum-manganese-iron alloy and preparation method thereof |
| 09/14/2011 | CN102181656A Method for smelting high-purity steel through vacuum induction furnace |
| 09/14/2011 | CN102181619A Method for manufacturing non-tempering low-carbon bainite type high-strength steel plate of 1000Mpa grade |
| 09/14/2011 | CN102181603A Vanadium nitride core-spun yarn and method for realizing molten steel vanadium and nitrogen alloying |
| 09/14/2011 | CN101871071B Manufacturing method of soft magnet silicon-aluminum alloy magnetic powder core with small amounts of rare earth element cerium or lanthanum |
| 09/14/2011 | CN101260496B Producing method of wear-resistant sintered member |
| 09/07/2011 | EP2252420B1 Method for producing a sintered, iron-based workpiece |
| 09/07/2011 | CN201962339U 一种球铁件生产用瞬时二次孕育专用料斗 One kind of ductile iron production instantaneous secondary bred dedicated hopper |
| 09/07/2011 | CN201962338U Rtb系稀土类合金的制造装置 Apparatus for manufacturing rare earth alloy Rtb |
| 09/07/2011 | CN1699000B Method for preparing a metallic article having an other additive constituent, without any melting |
| 09/07/2011 | CN101812628B Fe-Ga based magnetostrictive wire and preparation method thereof |
| 09/07/2011 | CN101698921B Wear-resistant spheroidal graphite cast iron and preparation method thereof |
| 09/07/2011 | CN101691640B High strength low alloy wear resistance steel plate and preparation method thereof |
| 09/01/2011 | WO2011105338A1 Valve seat |
| 09/01/2011 | US20110212339 Metallurgical composition of particulate materials, self-lubricating sintered products and process for obtaining self-lubricating sintered products |
| 08/31/2011 | EP2361704A1 Metal multiphase material and manufacturing method therefore |
| 08/31/2011 | CN201952480U Rtb系稀土类合金的制造装置 Apparatus for manufacturing rare earth alloy Rtb |
| 08/31/2011 | CN201952479U Rtb系稀土类合金的制造装置 Apparatus for manufacturing rare earth alloy Rtb |
| 08/31/2011 | CN102168230A 304 substituting nickel-saving austenitic stainless steel and preparation method thereof |
| 08/31/2011 | CN102168226A Martensite antibacterial stainless steel and manufacturing method thereof |
| 08/31/2011 | CN102168222A High-hardness alloyed nodular iron die material and preparation method thereof |
| 08/31/2011 | CN102168221A Process for casting high-nickel austenitic nodular cast iron valve-stem nut |
| 08/31/2011 | CN102168220A Method for preparing inoculant for refining as-cast structure of spring steel and application method thereof |
| 08/31/2011 | CN102168219A Spheroidization process for nickelic austenite spherical graphite cast iron |
| 08/31/2011 | CN102168218A Low-silicon nodularizer and preparation method of the low-silicon nodularizer |
| 08/31/2011 | CN102168217A Mechanical uniform dispersion method of iron 15 copper-3 graphite semi-solid state slurry |
| 08/31/2011 | CN101914716B Smelting method of steel and production method of reinforcing steel bars |
| 08/31/2011 | CN101748336B Fire-resistant steel and preparation method thereof |
| 08/31/2011 | CN101182757B Sidetracking petroleum case pipe for petroleum natural gas mining industry |
| 08/25/2011 | WO2011102359A1 Sputtering target-backing plate assembly body |
| 08/25/2011 | WO2011101706A1 Hard particles for blending in sintered alloy, wear-resistant iron-based sintered alloy containing hard particles, valve seat formed of sintered alloy, and process for manufacturing hard particles |
| 08/24/2011 | CN201942737U Rtb系稀土类合金的制造装置 Apparatus for manufacturing rare earth alloy Rtb |
| 08/24/2011 | CN201942736U Rtb系稀土类合金的制造装置 Apparatus for manufacturing rare earth alloy Rtb |
| 08/24/2011 | CN201942735U Rtb系稀土类合金的制造装置 Apparatus for manufacturing rare earth alloy Rtb |
| 08/24/2011 | CN201942734U Rtb系稀土类合金的制造装置 Apparatus for manufacturing rare earth alloy Rtb |
| 08/24/2011 | CN201942733U Rtb系稀土类合金的制造装置 Apparatus for manufacturing rare earth alloy Rtb |
| 08/24/2011 | CN102165083A Process for production of sintered compact by powder metallurgy |
| 08/24/2011 | CN102165082A Production of ferro-alloys |
| 08/24/2011 | CN102162070A Connecting rod material for engines in powder metallurgy and preparation method thereof |
| 08/24/2011 | CN102162067A Steel for anticorrosion sucker rods in oil field and production method thereof |
| 08/24/2011 | CN102162066A Medical martensitic stainless steel material and preparation method thereof |
| 08/24/2011 | CN102162065A 550Mpa yield-strength low-carbon bainitic steel for engineering machinery and preparation method thereof |
| 08/24/2011 | CN102162062A Tin-containing high-nitrogen martensitic stainless steel alloy material and manufacturing method thereof |
| 08/24/2011 | CN102162059A Manganese additive for alloy steel and preparation method thereof |
| 08/24/2011 | CN101818297B Manufacturing method of high-strength pearlitic nodular cast iron calendaring mould material |
| 08/24/2011 | CN101709431B Round steel and production process thereof |
| 08/17/2011 | CN102154585A High-intensity quake-resistant steel bar for buildings and manufacturing method thereof |
| 08/17/2011 | CN102154583A Method for preparing high-silicon silicon steel |
| 08/17/2011 | CN101831589B Cold-rolled non-oriented silicon steel with high magnetic induction and low iron loss for high-efficiency motor and manufacture method thereof |
| 08/17/2011 | CN101615462B Preparation method of trace nitrogen-containing Re-Fe-B permanent magnetic material |
| 08/17/2011 | CN101447331B Production method of sintered R-Fe-B permanent magnet |
| 08/10/2011 | CN102146545A Method and composition for producing high-purity silicon iron |
| 08/10/2011 | CN102146527A Method for smelting low-aluminum high-vanadium iron |
| 08/10/2011 | CN102146494A Production method of fine oxide dispersed steel |
| 08/10/2011 | CN101643877B Preparation method of high-speed train set with power car pulling motor shell new material |
| 08/04/2011 | WO2011093740A1 Method for melting fine-fraction ferroalloys |
| 08/04/2011 | WO2010069020A8 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 |
| 08/04/2011 | US20110185851 Fine Composite Metal Particles and Their Production Method, Micro-Bodies, and Magnetic Beads |
| 08/03/2011 | EP2351866A1 Improved wear resistant alloy |
| 08/03/2011 | EP2351865A1 Improved wear resitant alloy |
| 08/03/2011 | EP2349615A1 Method for the manufacture of a compound product with a surface region of a wear resistant coating, such a product and the use of a steel material for obtaining the coating |
| 08/03/2011 | EP1479787B1 Sinter magnet made from rare earth-iron-boron alloy powder for magnet |
| 08/03/2011 | CN102140604A Low-temperature vanadium adding method for preparing VCp/Fe composite material by using in-situ reaction casting process |
| 08/03/2011 | CN101541990B Prealloyed metal powder, process for obtaining it, and cutting tools produced with it |
| 08/03/2011 | CN101492788B Microalloy non-hardened and tempered steel and controlled forging and cooling process |
| 08/02/2011 | CA2431580C Dense, dry, self-lubricating material; mechanical part made of the said material; procedure for fabricating such material |
| 08/02/2011 | CA2431574C Metallic material susceptible to wear by abrasion; parts, housing; procedure for fabricating such material |
| 08/02/2011 | CA2371439C H-bn modified p/m stainless steels |
| 07/27/2011 | EP2348518A1 Method for producing rare earth sintered magnet and powder container for rare earth sintered magnet production |
| 07/27/2011 | CN201908123U Smokeless spheroidization device |
| 07/27/2011 | CN1946876B Hardfacing ferroalloy materials |
| 07/27/2011 | CN102134690A 21-4N gas valve steel including rare earth element and rare earth adding method |
| 07/27/2011 | CN102134688A Super high nitrogen martensite stainless steel and preparation method thereof |
| 07/27/2011 | CN102134678A Copper-iron alloy material for novel energy-saving motor and preparation method thereof |
| 07/27/2011 | CN102134677A Iron-based composite material and preparation method thereof |
| 07/27/2011 | CN102134676A Iron-based special alloy powder and production method thereof |
| 07/27/2011 | CN102134675A Non-oriented electrical steel for thin slab continuous casting-continuous rolling production and method thereof |
| 07/27/2011 | CN102134674A Method for producing wear-resistant high chromium white cast iron |
| 07/27/2011 | CN102134628A Smelting method of low-carbon aluminium killed steel with low silicon content |
| 07/27/2011 | CN102134625A Method for producing castings by smelting iron chips with medium frequency furnace and briquetting |
| 07/27/2011 | CN101451214B Large thickness novel anti-hydrogen sulfide steel and method for producing the same |
| 07/21/2011 | WO2011046718A3 Iron-based sintered powder metal for wear resistant applications |
| 07/20/2011 | CN102127715A Tin-containing ferritic stainless steel alloy material and preparation method thereof |
| 07/20/2011 | CN102127714A Nano-cluster-strengthened iron-base superalloy |
| 07/20/2011 | CN102127713A Oxide dispersion-strengthening ferrite steel with bicrystal structure and production method thereof |
| 07/20/2011 | CN102127712A Micro alloyed oxide dispersion-strengthening ferrite steel and preparation method |
| 07/20/2011 | CN102127701A Production method of hot rolled steel coil for ship building |
| 07/20/2011 | CN102127700A Method for producing hot rolled steel coils for ship building |
| 07/20/2011 | CN102127699A Method for producing hot rolled steel coils |
| 07/20/2011 | CN102127698A Production method of X100 steel grade elbow pipes and pipe fittings |
| 07/20/2011 | CN102127697A Production method of X70 steel grade elbow pipes and pipe fittings |
| 07/20/2011 | CN102127696A Method for producing hot rolled steel coils for ship building |