Patents for C22C 33 - Making ferrous alloys (11,268)
06/2010
06/23/2010CN101748325A High-strength wear-resisting ductile iron coiling block and manufacturing method thereof
06/23/2010CN101748324A Method for casting super-large centrifugal cold mould by adopting nodular cast iron
06/23/2010CN101748323A Preparation method for forming Al2O3 nano-particles in molten steel
06/23/2010CN101328556B Toughening processing method of hard phase Fe3C in plain white cast iron
06/23/2010CN101265546B Method for producing spheroidal graphite cast iron from waste steel
06/16/2010EP1957219B1 Method for adaptively controlling processes for the production of cast iron
06/16/2010CN201506825U Labiate ladle magnesium-sprayed spheroidizing device
06/16/2010CN101736200A High-carbon steel multi-alloy wear-resisting ball and production method thereof
06/16/2010CN101736194A Wheel steel and preparation method as well as wheel thereof
06/16/2010CN101736190A Alloy austenitic-bainite ductile iron worm gear and preparation process thereof
06/16/2010CN101736184A Method for producing high-grade grey cast iron with high carbon silicon equivalent weight
06/16/2010CN101302597B Hypereutectic high-chromium white cast iron preparation method
06/16/2010CN101144135B Technique for producing environment-friendly nickel/cobalt/iron alloy and system thereof
06/16/2010CN101124058B 不锈钢粉末 Stainless steel powder
06/10/2010WO2010028470A3 Metallurgical composition of particulate materials, self-lubricating sintered product and process for obtaining self-lubricating sintered products
06/10/2010US20100143178 Alloy containing rare earth element, production method thereof, magnetostrictive device, and magnetic refrigerant material
06/10/2010DE102009031390A1 Hartphasenbildendes Legierungspulver, verschleißfeste Sinterlegierung, und Herstellungsverfahren für verschleißfeste Sinterlegierung Hard phase-forming alloy powder, wear resistant sintered alloy and manufacturing method for wear resistant sintered alloy
06/09/2010EP2193864A1 Production system of alloy
06/09/2010CN101724788A High-vanadium steel wear resistant material and preparation method thereof
06/09/2010CN101724775A Prepration method for forming ZrO2 nanoparticles in molten steel
06/09/2010CN101724774A Method for adding magnesium in process of manufacturing large heat input welding steel plates
06/02/2010CN201495271U Alloy modification furnace
06/02/2010CN101717888A Nano-crystalline composite NdFeB permanent magnetic alloy and method for producing same
06/02/2010CN101717883A Continuous production method of vanadium (iron) carbonitride and device thereof
06/02/2010CN101532110B Method for removing Delta ferrite from high strength and toughness martensitic stainless steel
06/02/2010CN101509107B Fe-based amorphous alloy material and method of producing the same
06/02/2010CN101265547B High-chromium-manganese cast iron roller and preparation method thereof
06/02/2010CN101220442B Hot work die steel with high-heat stability and high-strength
06/02/2010CN101121987B Smelting method for titanium-containing austenitic stainless steel
06/01/2010US7727639 Iron-based sintered compact and method for production thereof
05/2010
05/26/2010CN201485494U Wear-resistant alloy cast steel smelting apparatuses system
05/26/2010CN1946500B Sintered metal parts and method for the manufacturing thereof
05/26/2010CN101715522A Powder metal component tolerance improvements
05/26/2010CN101713347A High wear-resistant cylinder sleeve and manufacture method thereof
05/26/2010CN101713052A Non-quenching high-toughness cold-working die steel and production process
05/26/2010CN101311288B Wire rod for producting1770Mpa bridge cable galvanized steel wire and method for manufacturing same
05/26/2010CN101255523B Hydrogen storage alloy, hydrogen storage film and hydrogen storage tank
05/25/2010US7722803 High carbon surface densified sintered steel products and method of production therefor
05/25/2010US7722726 flakes; chill inhibition; solidification
05/25/2010US7722697 Comprises steel containing carbon, chromium, molybdenum, and vanadium; cold rolling
05/19/2010CN101710520A High temperature stability Co-doped EMI-resistance soft magnetic material and preparation method thereof
05/19/2010CN101709431A Round steel and production process thereof
05/19/2010CN101709424A Gray cast iron smelting formula
05/19/2010CN101709423A Method for improving properties of H13 die steel by adding nitrogen
05/19/2010CN101709348A Method for casting low-temperature casting-state Ni-free spheroidal graphite cast iron
05/19/2010CN101333624B Anti-H2S stress corrosion high pressure resistant forgings and method for manufacturing same
05/19/2010CN101319289B Smelting method for high manganese steel casting
05/19/2010CN101294258B Low-chromium high purity ferritic stainless steel and method for manufacturing same
05/19/2010CN101220439B Non-quenching and tempering double-phase cold heading steel for high-strength fastener and method for manufacturing same
05/18/2010US7718082 powder metallurgically; coarseness; heat treatment; for compaction; corrosion resistance
05/18/2010US7717976 stabilizing free nitrogen in the steel by using nitride-forming elements, such as boron
05/14/2010WO2010053154A1 Iron-based sintered alloy, manufacturing method therefor, and iron-based sintered alloy member
05/14/2010WO2010052862A1 Method for producing rare earth sintered magnet and powder container for rare earth sintered magnet production
05/12/2010EP2184121A1 Multi-layered sintered slide member
05/12/2010CN201459176U Nodulized powder spray gun
05/12/2010CN201455244U Magnesium spraying spheroidization molten iron device
05/12/2010CN1970811B High-strength cold-roll-forming structural steel and method for producing same
05/12/2010CN1950161B Powder metallurgical compositions and methods for making the same
05/12/2010CN1938115B Method for producing raw material powder for rare earth sintered magnet, method for producing rare earth sintered magnet, granule and sintered article
05/12/2010CN1705761B Alloy containing rare earth element, production method thereof, magnetostrictive device, and magnetic refrigerant material
05/12/2010CN101705440A Shape memory alloy and preparation method thereof
05/12/2010CN101705435A Production method of ultrahard high-chromium cast grinding ball
05/12/2010CN101705428A Preparation process of stainless alloy material
05/12/2010CN101705421A As-cast bainite manufacturing process
05/12/2010CN101705420A Preparation technology of vanadium carbide reinforced grey cast iron base composite material
05/12/2010CN101705419A Preparation technology of vanadium carbide reinforced nodular cast iron base composite material
05/12/2010CN101705418A Casting method of synthetic cylinder liner
05/12/2010CN101705417A Method for producing medium and low carbon ferromanganese through furnace refining
05/12/2010CN101705416A Preparation technology of vanadium carbide reinforced high-speed steel base composite material
05/12/2010CN101705415A Preparation technology of chrome carbide reinforced high manganese steel base composite material
05/12/2010CN101705414A Preparation technology of chrome carbide reinforced high-speed steel base composite material
05/12/2010CN101705413A Preparation technology of tungsten carbide reinforced high manganese steel base composite material
05/12/2010CN101705412A Method for smelting large energy input welded pipeline steel
05/12/2010CN101705411A Inclusion and application
05/12/2010CN101704170A High-toughness gas shielded welding wire and preparation method and use method thereof
05/12/2010CN101191173B Method for smelting low-silicon high-manganese steel
05/12/2010CN101168825B Diphase stainless steel with special magnetic property and manufacturing method thereof
05/05/2010EP2182530A1 Soft magnetic material, dust core, method for producing soft magnetic material, and method for producing dust core
05/05/2010CN1813076B Iron base sintered alloy exhibiting high surface densification and high surface hardness, and method for production thereof
05/05/2010CN101701327A Iron-based bulk amorphous soft magnetic alloy and preparation method thereof
05/05/2010CN101701324A Wear-resistant chromium steel
05/05/2010CN101701316A Automobile beam steel with tensile strength of 590MPa and manufacturing method thereof
05/05/2010CN101701312A Method for smelting stainless steel mother liquid by using chromium mineral powder and laterite as raw materials
05/04/2010CA2534466C Iron based soft magnetic powder
05/04/2010CA2412525C Steel alloy, plastic moulding tool and tough-hardened blank for plastic moulding tools
04/2010
04/29/2010WO2010029505A3 Free-machining powder metallurgy lead-free steel articles and method of making same
04/28/2010EP2179807A1 Mixing method for raw powder for powder metallurgy and process for producing raw powder for powder metallurgy
04/28/2010CN1516744B Method for producing granular metal
04/28/2010CN101699578A High frequency soft magnetic material composed of rare earth, iron and nitrogen, as well as composite material prepared by same and preparation methods thereof
04/28/2010CN101698921A Wear-resistant spheroidal graphite cast iron and preparation method thereof
04/28/2010CN101698895A Low-cost preparation method for high-elongation ductile iron castings
04/28/2010CN101698230A Method for preparing surface composite sinterer grate bars
04/22/2010WO2010044740A1 Steel material and a method for its manufacture
04/21/2010EP2176018A1 Process for casting a metal melt
04/21/2010CN1985015B Sintered soft magnetic member and method for manufacture thereof
04/21/2010CN1888116B High hardness and high wear resistance no-magnetism bearing steel and its preparation method
04/21/2010CN1818105B Production of micro-carbon solder iron
04/21/2010CN101695755A Method for preparing alloy powder for metal injection moulding through atomization
04/21/2010CN101368243B Production method for magnetic refrigeration working medium material Y2Fe17 at room temperature
04/21/2010CN101333618B Long-acting synthesizing process of heavy sectioned ductile iron
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