| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 10/08/2009 | WO2009122709A1 R-t-b-type sintered magnet and method for production thereof |
| 10/08/2009 | US20090252640 Steel alloy, a holder or a holder detail for a plastic moulding tool, a tough hardened blank for a holder or holder detail, a process for producing a steel alloy |
| 10/08/2009 | US20090252639 Metallurgical powder composition and method of production |
| 10/07/2009 | EP1692320B1 Methods of preparing high density powder metallurgy parts by iron based infiltration |
| 10/07/2009 | CN101550517A Alloy material, production method thereof and cutting tool made by the same |
| 10/07/2009 | CN101550516A Method for revolving furnace smelting 45CrMnMo steel |
| 10/07/2009 | CN101550514A Hot-rolling transformation-induced plasticity steel plate and preparation method thereof |
| 10/07/2009 | CN101550513A A method for fast and deep desulfurization of low-carbon aluminum-killed steel |
| 10/07/2009 | CN101549443A Submerged arc welding wire material for X80 pipeline steel and preparing method thereof |
| 10/07/2009 | CN101549360A A high-boron cast alloy guide and its heat treatment method |
| 10/07/2009 | CN100547104C Hot-rolled high-strength steel plate for electrostatic enamel and method for manufacturing same |
| 10/07/2009 | CN100547102C Biphase antibiotic stainless steel and method for making same |
| 10/01/2009 | US20090246068 metal working; adjusting the right amount of calcium desired in the finished steel; desulfurization, casting |
| 09/30/2009 | CN101545076A Martensite refractory stainless steel and manufacturing method thereof |
| 09/30/2009 | CN101545067A Method for producing pipe line steel J55 by RH refining technology |
| 09/30/2009 | CN101545066A Method for smelting H2S corrosion resistant petroleum casing pipe steel 110S |
| 09/30/2009 | CN100545288C Method for smelting chromium-nickel-iron alloy from stainless steel dust-removing ash |
| 09/29/2009 | CA2563621C Sintered metal parts and method for the manufacturing thereof |
| 09/29/2009 | CA2372563C Nickel-poor austenitic steel |
| 09/24/2009 | WO2009116931A1 Iron-chromium based brazing filler metal |
| 09/24/2009 | WO2009115647A1 Blade made of steel alloy |
| 09/23/2009 | EP2101940A1 Powder, method of manufacturing a component and component |
| 09/23/2009 | EP1528112B1 Dispersed oxide reinforced martensitic steel excellent in high temperature strength and method for production thereof |
| 09/23/2009 | CN101541990A Prealloyed metal powder, process for obtaining it, and cutting tools produced with it |
| 09/23/2009 | CN101539365A Smelting furnace with mechanical agitation and high-energy ultrasonic processing and smelting method thereof |
| 09/23/2009 | CN101538689A Non-magnetic stainless steel with high strength and toughness, manufacturing method and application thereof |
| 09/23/2009 | CN101538686A Martensite precipitation hardening stainless steel for structural member and manufacturing method thereof |
| 09/23/2009 | CN101538685A High-toughness ductile blade steel and metallurgical manufacturing method thereof |
| 09/23/2009 | CN101538681A Method for producing high-strength steel with yield strength of 700MPa level |
| 09/23/2009 | CN101538680A Method for producing high-strength steel with yield strength of 600MPa level |
| 09/23/2009 | CN101538675A Method for producing tough iron-chromium-aluminium ferritic electrothermal alloy |
| 09/23/2009 | CN101538674A Method for preparing oxide dispersion strengthened austenitic stainless steel |
| 09/23/2009 | CN101537428A Semi-steel roll and preparation method thereof |
| 09/17/2009 | CA2717344A1 Iron-chromium based brazing filler metal |
| 09/16/2009 | EP2100975A1 Method and device for treating a molten metal for producing metal castings |
| 09/16/2009 | CN101532116A A multi-component micro-alloy cast novel material for producing cylinder liner and its preparation method The invention discloses a multi-component micro-alloy cast novel material for producing cylind |
| 09/16/2009 | CN101532114A Fe-Cr-Mo-based anticorrosive high-damping alloy |
| 09/16/2009 | CN101532111A Tic particle dispersion strengthening gray cast iron and method for preparing same |
| 09/16/2009 | CN101532110A Method for removing Delta ferrite from high strength and toughness martensitic stainless steel |
| 09/16/2009 | CN101530863A Alloy cast steel roll and preparation method thereof |
| 09/16/2009 | CN100540710C Steel strip for scraper blade, coat scraper and crepe scrapers and powder metallurgical producing method |
| 09/16/2009 | CN100540705C Method for smelting ferrite stainless steel from total molten iron |
| 09/15/2009 | CA2305902C Iron alloy containing molybdenum |
| 09/11/2009 | WO2009108981A1 Method for producing a sintered, iron-based workpiece |
| 09/09/2009 | CN101525728A New material for hot rolling seamless steel tube steel balls and preparation method thereof |
| 09/09/2009 | CN101525727A Heat-resisting steel material used as vane or bolt of ultra-supercritical steam turbine and preparation method thereof |
| 09/09/2009 | CN101525726A Heat-resisting steel material used as vane or bolt of supercritical steam turbine and preparation method thereof |
| 09/09/2009 | CN101525719A Nucleating agent used for producing thin-wall malleable iron component by metal mold and preparation method thereof |
| 09/09/2009 | CN101525718A Alloying process for stably and precisely controlling molybdenum content in steel |
| 09/09/2009 | CN101525717A Ti microalloyed ultra-fine grain hot rolled steel at 700MPa class and production method thereof |
| 09/09/2009 | CN101524947A High-performance stainless steel wheel hub of automobile and manufacturing method thereof |
| 09/09/2009 | CN100537811C Method for smelting stainless steel by top and bottom combined blown converter |
| 09/08/2009 | US7585459 Method of preparing iron-based components |
| 09/08/2009 | US7585378 Alloy containing rare earth element, transition metal and another elementr |
| 09/03/2009 | WO2009107397A1 Process for producing r-fe-b rare-earth sintered magnet and rare-earth sintered magnet produced by the process |
| 09/02/2009 | EP1758700B1 Lubricants for insulated soft magnetic iron-based powder compositions |
| 09/02/2009 | EP1730321B1 Powder metal mixture including micronized starch |
| 09/02/2009 | CN101519752A High strength and toughness pipeline steel roll in low-carbon and high-niobium-chromium system and preparation method thereof |
| 09/02/2009 | CN101519709A Gas supply method in high-carbon regions during smelting stainless steel by AOD furnace |
| 09/02/2009 | CN100535156C Spheriodizing technique for preventing Mg from fireless and floating in nodular cast iron production |
| 09/02/2009 | CN100535155C Method for producing high-strength gray cast iron |
| 09/02/2009 | CN100535154C Method for smelting high-temperature alloy steel P91 |
| 09/02/2009 | CN100535153C Method for processing ultra-pure ferrite stainless steel by using ladle refining furnace to control carbon and nitrogen content |
| 09/02/2009 | CN100535152C Method for smelting stainless steel oxidizing slag by using argon oxygen furnace |
| 09/02/2009 | CN100535151C Technique for smelting vanadium iron from calcium vanadate |
| 09/01/2009 | US7582210 Polyazole coating; heat treatment; electrodes; polymer electrolyte membranes; fuel cells |
| 08/27/2009 | WO2009104632A1 Method for regenerating scrap magnets |
| 08/26/2009 | CN101517116A Steel alloy, a holder or a holder detail for a plastic moulding tool, a tough hardened blank for a holder or holder detail, a process for producing a steel alloy |
| 08/26/2009 | CN101517112A Improved powder metallurgy composition |
| 08/26/2009 | CN101517111A Metallurgical powder composition and method of production |
| 08/26/2009 | CN101517110A Metallurgical powder composition and method of production |
| 08/26/2009 | CN101516549A Iron-based powder |
| 08/26/2009 | CN101514428A Steels with excellent toughness for welding heat affected section and method of producing the same |
| 08/26/2009 | CN101514427A High strenght steel sheet having superior ductility and method for manufacturing the same |
| 08/26/2009 | CN100532618C Nichrome steel alloy for smelting stainless steel and producing method thereof |
| 08/26/2009 | CN100532615C Vehicle wheel steel smelting method |
| 08/26/2009 | CN100532609C Method for preparing high nitrogen and nickel-less austenitic stainless steel |
| 08/26/2009 | CN100532608C Method for smelting high-nitrogen steel under normal pressure |
| 08/26/2009 | CN100532607C Producing method for casting large power diesel engine cylinder jacket |
| 08/26/2009 | CN100532606C Iron-based powder combination |
| 08/26/2009 | CN100531969C Iron-based powder composition |
| 08/25/2009 | US7578866 Iron-based sintered alloy having excellent machinability |
| 08/19/2009 | EP2090670A1 Method for predicting spheroidisation degree in defined zones of spheroidal graphitic cast iron pieces |
| 08/19/2009 | CN101509111A Bulk amorphous alloy material with excellent mechanical performances and high-magnetostriction, and method of producing the same |
| 08/19/2009 | CN101509110A Fe-based bulk amorphous alloy material and method of producing the same |
| 08/19/2009 | CN101509109A FeNbBDy metallic glass magnetic materials and method of producing the same |
| 08/19/2009 | CN101509108A Bulk amorphous alloy magnetostriction material and method of producing the same |
| 08/19/2009 | CN101509107A Fe-based amorphous alloy material and method of producing the same |
| 08/19/2009 | CN101509105A FeTbBSi amorphous alloys with excellent magnetic property and method of producing the same |
| 08/19/2009 | CN101509099A High-strength Q420C level steel tower corner iron and production process |
| 08/19/2009 | CN101509097A Q460 level low alloy high-strength corner iron and production process |
| 08/19/2009 | CN101508009A Instant inoculation method of large-section magnesium iron |
| 08/19/2009 | CN100529146C Iron-base amorphous alloy material with high saturation magnetic induction density |
| 08/19/2009 | CN100529145C Liquid zinc corrosion resistant high-boron cast steel and preparation method thereof |
| 08/19/2009 | CN100529142C Hot-rolled steel sheet for automobile and producing method thereof |
| 08/19/2009 | CN100529138C Pipe for steam turbine, manufacturing process of same, and steam turbine power plant using those pipes |
| 08/19/2009 | CN100529134C Ferro-silicon powder remelting process |
| 08/19/2009 | CN100528416C Iron-based powder composition including a silane lubricant |
| 08/18/2009 | US7575619 Wear resistant sintered member |
| 08/18/2009 | CA2376529C Powder metallurgy manufactured high speed steel |