| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 12/23/2009 | CN100572785C Combustion engine member and its manufacture method |
| 12/23/2009 | CN100572581C Sulfur-iron alloy and its preparing process and application |
| 12/23/2009 | CN100571966C Process for manufacturing magnetron sputtering Fe-Co alloy target |
| 12/23/2009 | CN100571931C Method for making compacted products and iron-based powder comprising lubricant |
| 12/22/2009 | CA2154064C Process for manufacturing corrosion resistant metal products |
| 12/17/2009 | WO2009150843A1 R-t-cu-mn-b type sintered magnet |
| 12/16/2009 | EP2133891A1 Process for producing magnet |
| 12/16/2009 | CN101604568A Magnetic field oriented flaky soft magnetic composite material and preparation method thereof |
| 12/16/2009 | CN101603157A Chromium-tungsten-rare earth-boron series air cooling medium-high carbon bainite steel and preparation method thereof |
| 12/16/2009 | CN101603149A Low-alloy high-speed steel |
| 12/16/2009 | CN101603143A High temperature resistant nodular cast iron pipe fittings and production method thereof |
| 12/16/2009 | CN101603142A Ductile cast iron casting with high strength and high toughness and preparation method thereof |
| 12/16/2009 | CN101603141A Method for producing ferronickel by utilizing low-magnesium intermediate type laterite nickel ore |
| 12/16/2009 | CN101603140A Method for smelting nickel-containing molten iron by use of laterite ore |
| 12/16/2009 | CN101602434A Integral intermediate groove of isothermal quenching ductile iron conveyor and preparation method |
| 12/16/2009 | CN101602433A Scraper of CuNiMo alloying isothermal quenching ductile iron scraper conveyor and preparation method |
| 12/16/2009 | CN101602105A Metal-based powder metallurgy brake lining material and preparation methods thereof |
| 12/16/2009 | CN100570762C Raw material alloy for R-T-B system sintered magnet, R-T-B system sintered magnet and production method thereof |
| 12/16/2009 | CN100569983C Preparation of Cr-Mn-Ti gear steel |
| 12/16/2009 | CN100569971C Use of zirconium hydrogen crystal grain accretion inhibitor |
| 12/15/2009 | CA2486352C Hard metallic materials, hard metallic coatings, methods of processing metallic materials and methods of producing metallic coatings |
| 12/15/2009 | CA2311171C Process for preparing metal powders, metal powders thus prepared, and compacts containing said powders |
| 12/10/2009 | WO2009148402A1 Iron- based pre-alloyed powder |
| 12/10/2009 | CA2725652A1 Iron- based pre-alloyed powder |
| 12/09/2009 | CN101597771A Processing method of cathode matched with aluminium electrolyser |
| 12/09/2009 | CN101597724A Alloy structural steel and production method thereof |
| 12/09/2009 | CN101597723A Low inner stress and high strength and magnetic induction property steel and manufacturing method thereof |
| 12/09/2009 | CN101597722A Multielement ferroboron resisting zinc liquid corrosion and preparation method thereof |
| 12/09/2009 | CN101597721A Steel for non-magnetic drilling tool and production method thereof |
| 12/09/2009 | CN101597712A Stainless steel powder metallurgy material preparation method |
| 12/09/2009 | CN101596553A High speed steel roll collar applied to high speed wire rolling mill and manufacture method thereof |
| 12/09/2009 | CN100567545C High grade non-oriented silicon steel and method for manufacturing same |
| 12/09/2009 | CN100567541C Process for producing gray cast iron with high carbon equivalent, low alloy and middle-high strength |
| 12/09/2009 | CN100567540C Method for determining Ti addition amount of 550MPa grade Ti micro-alloying high-strength weathering steel |
| 12/09/2009 | CN100567512C Nitrogen content control method for smelting stainless steel by vacuum oxygen decarburization device |
| 12/08/2009 | CA2161959C Microstructurally refined multiphase castings |
| 12/03/2009 | WO2009145672A1 Method for making ferroalloys and a duplex furnace for carrying out said method |
| 12/03/2009 | DE102009018610A1 Herstellungsverfahren für gesinterte Maschinenbauteile Production method for sintered machine components |
| 12/02/2009 | EP2128290A1 R-t-b base alloy, process for production thereof, fine powder for r-t-b base rare earth permanent magnet, and r-t-b base rare earth permanent magnet |
| 12/02/2009 | CN101592097A Processing method of anti-sandstorm cylinder sleeve |
| 12/02/2009 | CN101591753A Heat-resistant and wear-resistant vulcanized rare earth alloy steel as well as preparation method and application thereof |
| 12/02/2009 | CN101591750A Cu-B-Cr high-performance and low-cost cylinder jacket material |
| 12/02/2009 | CN101591749A Control method of cylinder sleeve material |
| 12/02/2009 | CN101589661A Carbide-containing austempered ductile iron plowshare and production method thereof |
| 12/02/2009 | CN100564565C Method for producing ultra-low carbon corrosion resisting alloy by using plasma refining |
| 11/26/2009 | DE10230383B4 Rostfreies Gusseisenmaterial mit Kugelcarbid Stainless cast iron material with Kugelcarbid |
| 11/25/2009 | EP2123781A1 Amorphous alloy and method for producing products made thereof |
| 11/25/2009 | CN101588883A A diffussion alloyed iron powder |
| 11/25/2009 | CN101586450A Petroleum casing pipe with high strength and high toughness and preparing method thereof |
| 11/25/2009 | CN101586219A Composite bainite steel product containing copper and method for producing the same |
| 11/25/2009 | CN101586218A Copper-containing bainite steel with high hardenability and manufacturing method thereof |
| 11/25/2009 | CN101586216A Ultra-high strength and toughness bainitic steel and manufacturing method thereof |
| 11/25/2009 | CN101586215A Ferrite antibacterial stainless steel and manufacture method thereof |
| 11/25/2009 | CN101586214A High-hardness high-wear-resistant powder metallurgy high-speed steel |
| 11/25/2009 | CN101586205A Method for producing low-alloy peritectic steel by medium-thickness slab caster |
| 11/25/2009 | CN101586195A Method for manufacturing hollow consumable electrode for high nitrogen steel production |
| 11/25/2009 | CN101586188A Two-stage roasting mineral smelting integrated technique of laterite |
| 11/25/2009 | CN101585078A Method for casting as-cast high-tenacity cast iron bearing cover of locomotive |
| 11/25/2009 | CN101584553A Selenium and iron alloy pot and manufacturing method thereof |
| 11/24/2009 | US7622011 Iron gallium phosphorus,carbon boron silicon based metallic glass alloy particle prepared by gas atomizing process; spherical shape, a relatively large particle size and a high crystallization temperature; excellent soft magnetic characteristics applicable to core of magnetic head, transformer, motor |
| 11/24/2009 | CA2469536C Gray cast iron for cylinder heads |
| 11/24/2009 | CA2381507C Highly compressible iron powder |
| 11/18/2009 | CN101580919A Medium-carbon cast steel shot or medium-carbon cast steel grit and preparation method thereof |
| 11/18/2009 | CN101580914A Mn series non-magnetic ductile cast iron material |
| 11/18/2009 | CN101580913A High-chromium cast iron composite inoculant, preparation method and application thereof |
| 11/18/2009 | CN101580912A Low carbon high sulfur free-cutting steel production process |
| 11/18/2009 | CN101579732A Spheroidisation reaction package for producing ductile cast iron and spheroidisation method therefor |
| 11/18/2009 | CN100560772C Granule carbonide reinforced ferritic steel and preparation method thereof |
| 11/18/2009 | CN100560767C Method for realizing direct nickel alloying in stainless steel smelting process by electric arc furnace |
| 11/18/2009 | CN100560766C Melt treating method of high-vanadium high-speed steel roller material for various rolling machines |
| 11/17/2009 | CA2382507C Powder composition comprising aggregates of iron powder and additives and a flow agent and a process for its preparation |
| 11/11/2009 | CN101575677A Method for producing titanium-rich materials and steel products through titanium mine |
| 11/11/2009 | CN101574708A Wear resistant and impact resistant guide coil |
| 11/11/2009 | CN100558488C Iron based powder for powder metallurgy |
| 11/10/2009 | CA2397953C Method for producing angular, stainless shot-blasting abrasives based on fe-cr-c alloy |
| 11/03/2009 | CA2355559C Alloyed steel powder for powder metallurgy |
| 10/28/2009 | EP2111317A1 A diffussion alloyed iron powder |
| 10/28/2009 | EP1697072B1 Iron-based powder composition comprising a combination of binder-lubricants and preparation of the powder composition |
| 10/28/2009 | CN101567240A Alloy material, a magnetic material, a manufacturing method of a magnetic material, and a magnetic material manufactured by the manufacturing method |
| 10/28/2009 | CN101565800A Steel plate with obdurability and strong plasticity and manufacturing method thereof |
| 10/28/2009 | CN101565796A Sheet steel with tensile strength of 570Mpa for elbow pipe and production method thereof |
| 10/28/2009 | CN101565792A Method for smelting boron steel |
| 10/28/2009 | CN100554484C Fe-based amorphous nano-coating powder and its argon atomization production method |
| 10/28/2009 | CN100554482C New type roller made from hard material suitable to tandem mill for bars and wire rods, and manufacturing method |
| 10/27/2009 | US7608153 Rare earth magnet and method therefor |
| 10/22/2009 | WO2009127665A1 Amorphous alloy and process for producing products made thereof |
| 10/21/2009 | CN101562068A Method for manufacturing neodymium iron boron permanent-magnet material by neodymium iron boron powder scrap |
| 10/21/2009 | CN101560633A Technical method for producing heat-resisting alloy steel casting below 1000 DEG C |
| 10/21/2009 | CN101560629A Hot rolling strip steel having yield strength being higher than 800MPa and preparation method thereof |
| 10/21/2009 | CN101560627A Ferrotitanium alloy with low silicon, low carbon, low phosphorous and low nitrogen used for smelting special steel |
| 10/21/2009 | CN100552050C Two-thread vertical thread feeding device |
| 10/20/2009 | CA2428783C High density products and method for the preparation thereof |
| 10/14/2009 | CN101555565A Process for producing vermicular cast iron by cupola-line frequency furnace duplex melting |
| 10/14/2009 | CN100550219C R-T-B sintered magnet and process for producing the same |
| 10/14/2009 | CN100549194C Iron-based sintered alloy with dispersed hard particles |
| 10/14/2009 | CN100548532C Guide tube end-piece, assembly and method |
| 10/13/2009 | US7601295 Filter, liquid discharge head utilizing the same, and producing method therefor |
| 10/13/2009 | US7601196 alloys of molybdenum, chromium, silicon, cobalt and iron, formed by compacting and sintering powders having heat resistance, used as valve seats for heavy duty engines such diesel engines |
| 10/13/2009 | CA2412520C Method of production of surface densified powder metal components |
| 10/08/2009 | WO2009122985A1 Iron-base sintered alloy for valve sheet and valve sheet for internal combustion engine |