Patents for C22C 33 - Making ferrous alloys (11,268)
10/2012
10/24/2012CN102747308A Method for producing high-strength non-magnetic stainless steel propeller shaft
10/24/2012CN102747304A Corrosion-resistant abrasion-resistant alloy material and preparation method thereof
10/24/2012CN102747301A High-strength stainless steel cold-rolled sheet strip and manufacturing method thereof
10/24/2012CN102747298A Austenitic stainless steel and preparation method
10/24/2012CN102747297A Manufacturing method of high strength-toughness ultralow carbon and nitrogen-controlling austenitic stainless steel
10/24/2012CN102747296A Austenitic stainless steel and its preparation method
10/24/2012CN102747293A High-speed steel for high-toughness high-abrasion resistance hobbing cutter and preparation method thereof
10/24/2012CN102747292A Normalized acid-resistant pipeline steel X52NS hot rolled plate coil and producing method thereof
10/24/2012CN102747286A Hypoid gear for sintering copper-steel based on powder metallurgy technology and manufacturing method thereof
10/24/2012CN102747283A Method for producing steel strip for copper-plated precision welded pipe
10/24/2012CN102747277A Method for producing Q345 heat rolling plate rolls with excellent performance by low silicon low manganese
10/24/2012CN102747269A Low-silicon aluminum-containing steel and production method thereof
10/24/2012CN102747268A High-strength high-ductility nodular cast iron and manufacturing method thereof
10/24/2012CN102747266A High-wear-resistance valve seat and its casting method
10/24/2012CN102747265A Raw materials and method for preparing white cast iron, and white cast iron structure
10/24/2012CN102747264A On-line production method of clutch housing and flywheel housing
10/24/2012CN102747263A Carbon-silicon incubater
10/24/2012CN102251184B Fe-Cr-B antifriction alloy containing aluminum and preparation method thereof
10/24/2012CN102251183B Boron-containing high-chromium wear-resistant alloy and preparation method thereof
10/18/2012WO2012140057A1 A powder metallurgical composition and sintered component
10/18/2012WO2012139864A1 Cast iron containing niobium and component
10/18/2012US20120263619 Method for preparing a metallic article having an other additive constituent, without any melting
10/17/2012EP2511394A1 Cast iron with niobium and component
10/17/2012EP2511031A1 A powder metallurgical composition and sintered component
10/17/2012CN102735053A LF (low frequency) furnace device, and method for processing molten iron of blast furnace
10/17/2012CN102732809A High-strength wear-resisting alloy and preparation method thereof
10/17/2012CN102732801A Pull rod material for nuclear power station steam generator and preparation process thereof
10/17/2012CN102732800A Fe-Ni-Cr soft magnetic alloy and preparation method thereof
10/17/2012CN102732781A Offshore platform steel with CTOD being greater than or equal to 2 millimeters at minus 40 DEG C and production method thereof
10/17/2012CN102732777A Production method of low P, S and Ti steel
10/17/2012CN102732776A Thin-wall austenite nodular cast iron impeller production technology
10/17/2012CN102732775A Smelting additive specially used for cast balls and wear-resistant cast iron
10/17/2012CN102732774A Intermediate frequency induction electric furnace and line frequency furnace melting technology
10/17/2012CN102732773A Method for preparing iron-based friction material by vanadium titano-magnetite in-situ reaction sintering
10/17/2012CN102732740A Nano-material interalloy modifier and preparation method thereof, and alloy preparation method
10/17/2012CN102732667A Method for controlling MnS inclusions in high-speed heavy rail steel
10/17/2012CN102732666A Method for controlling non-metallic slag inclusion in medium and heavy plate of hydrogen-induced cracking resistance pipe line steel
10/17/2012CN102732664A Ductile cast iron production method and production device
10/17/2012CN102728801A Production technology of base stock for stainless steel precision casting
10/17/2012CN102728794A Nodulizer and inoculant special for large-section bulb iron roll
10/17/2012CN102226246B Smelting method of stainless steel mother liquor
10/17/2012CN102146527B Method for smelting low-aluminum high-vanadium iron
10/17/2012CN102127696B Method for producing hot rolled steel coils for ship building
10/17/2012CN101962730B High-toughness twinning induced plasticity (TWIP) nodular cast iron alloy and preparation method thereof
10/17/2012CN101899627B Abrasion-resistant alloy cast steel and smelting and heat treatment processes
10/17/2012CN101899607B Smelting technology of wear-resistant alloy cast steel and equipment system thereof
10/17/2012CN101783227B Plug-in common-mode inductor and manufacturing method thereof
10/16/2012US8287615 High-strength composition iron powder and sintered part made therefrom
10/11/2012WO2012138527A1 Vanadium-containing powder metallurgical powders and methods of their use
10/11/2012CA2832433A1 Vanadium-containing powder metallurgical powders and methods of their use
10/10/2012CN202482353U Sulfur cored wire
10/10/2012CN202482352U Aluminum-calcium cored wire
10/10/2012CN202482351U Silicon-calcium cored wire
10/10/2012CN102719767A Economic duplex stainless steel with excellent cold forging performance and manufacturing method thereof
10/10/2012CN102719753A Low-yield-ratio high-strength steel plate and manufacturing method thereof
10/10/2012CN102719750A Wear resistant steel and smelting method thereof
10/10/2012CN102719739A Steel plate for wind power tower in low temperature and manufacturing method thereof
10/10/2012CN102719733A Manufacturing method for high-nickel steel
10/10/2012CN102719730A Manufacturing method of high strength bluing strapping steel
10/10/2012CN102719728A Technique for producing anti-acid pipeline steel by RH-LF-VD refining
10/10/2012CN102719727A Low temperature spheroidal graphite cast iron and casting method
10/10/2012CN102719726A Method for producing stainless steel master liquid
10/10/2012CN102719725A Sintered neodymium iron boron waste remoulding method
10/10/2012CN102719724A Method for improving and stabilizing boron yield in smelting boron-containing steel
10/10/2012CN102719611A Nitrogen increasing method for stainless steel
10/10/2012CN102719593A Method for smelting ultra-low carbon steel
10/10/2012CN102717035A Low Si-Mg ratio and low RE-Mg nodularizer
10/10/2012CN102345054B 120mm low temperature pressure vessel 16MnDR steel thick plate and production method thereof
10/10/2012CN102242316B H13 die steel and preparation method thereof
10/10/2012CN102230131B 38CrMoAl steel and preparation method thereof
10/10/2012CN102230130B Wear-resistant plastic die steel and preparation method thereof
10/10/2012CN102021483B Cold-rolled dual-phase steel plate with 1,200 MPa-level tensile strength and preparation method thereof
10/10/2012CN101834046B High saturation magnetization intensity Fe-based nanocrystalline magnetically soft alloy material and preparation method thereof
10/10/2012CN101812647B Diphase stainless steel and manufacturing method thereof
10/10/2012CN101808768B Method of producing a sinter-hardened component
10/10/2012CN101586214B High-hardness high-wear-resistant powder metallurgy high-speed steel
10/10/2012CN101069927B Sinter-hardening powder and their sintered compacts
10/09/2012US8282701 Free-machining powder metallurgy steel articles and method of making same
10/04/2012WO2012133166A1 Sputtering target for magnetic recording film
10/04/2012DE102011001784A1 Preparing a spring e.g. lift spring and/or mainspring for a mechanical clockwork, comprises melting an alloy, forming an amorphous tape from the melted alloy by a rapid solidification method, and processing a surface of the amorphous tape
10/04/2012DE102011001783A1 Spring useful for mechanical clockwork comprises amorphous alloy comprising e.g. nickel cobalt iron chromium boron silicon carbon phosphorous molybdenum niobium vanadium tantalum tungsten compound
10/03/2012EP2505282A1 Inoculation procedure and device
10/03/2012CN102714081A Corrosion-resistant magnet and method for producing the same
10/03/2012CN102712034A Inoculation procedure and device
10/03/2012CN102703837A Nano-structured lath martensite steel and preparation method thereof
10/03/2012CN102703832A Forging process for thermal power rotor
10/03/2012CN102703826A Ti-B-R compound micro-alloying high-tenacity bending die steel and preparation method thereof
10/03/2012CN102703825A Preparation method of improved 30CrMnSi steel
10/03/2012CN102703822A Preparation method of high-speed steel for composite roll collar
10/03/2012CN102703813A Vanadium and titanium compound microalloyed steel bar and production method thereof
10/03/2012CN102703809A Hot-rolled steel and manufacturing method thereof
10/03/2012CN102703808A Steel for 300MPa-grade automobile structural part and production method for steel
10/03/2012CN102703798A Low-temperature ductile iron and casting method thereof
10/03/2012CN102703795A Formula of wear-resistant cast iron for impeller casing of sand suction pump
10/03/2012CN102703794A Method for vacuum induction argon bottom blowing smelting high-performance magnetic material
10/03/2012CN102703793A Production method of low-carbon nitrided ferrochrome
10/03/2012CN102703685A Method for smelting low-nickel matte through vulcanizing calines in rotary furnace
10/03/2012CN102268586B Corrosion-resistant alloy cast iron and preparation method thereof
10/03/2012CN102214510B Ferronickel soft magnetic material and manufacturing method thereof
10/03/2012CN102212740B VN/TiN-powder-containing high-chromium cast iron and preparation method thereof, and wear-resistant part
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