| Patents for C21C 1 - Refining of pig-iron; Cast iron (3,137) |
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| 04/29/2009 | CN100482809C Method of molten iron desulfuring using magnesium in metal mixer and equipment for realizing said method |
| 04/15/2009 | CN101407851A Side hot metal charging chute inner lining of hot-metal mixer and manufacturing method thereof |
| 04/08/2009 | CN201217665Y Novel furnace cupola system for melting carbonaceous ball of iron oxide |
| 04/08/2009 | CN201217071Y Electric furnace apparatus for thermal insulation of nodular cast iron original iron liquor and pre-spheroidizing processing |
| 04/08/2009 | CN201217070Y Pouring electric furnace for preventing magnesium iron liquid from generating degradated spheroidization and reducing point of pouring in pouring process |
| 04/08/2009 | CN101403068A Austenite spheroidal iron and producing method thereof |
| 03/25/2009 | CN100472163C Stirring device and melting furnace therewith |
| 03/18/2009 | CN101389774A Blowing lance for refining, blowing lance apparatus for refining, method of desiliconizing of molten iron, and method of pretreatment of molten iron |
| 03/18/2009 | CN101389771A Method of dephosphorization of molten iron |
| 03/18/2009 | CN101386898A Repairing method of molten iron chute for mixer furnace |
| 03/11/2009 | CN101380670A Casting technique of motor enclosure |
| 03/05/2009 | WO2009028736A1 Austenitic cast iron, process for manufacturing the same, austenitic cast iron castings, and exhaust system parts |
| 03/04/2009 | CN100465317C A special multi-component low rare earth vermiculizer for producing thick wall Vermicular iron elements by a cupola |
| 02/18/2009 | EP2024301A1 Method for producing moulded bodies and their use |
| 02/18/2009 | CN201195732Y Pin-tooth transmission type blast furnace mixer |
| 02/11/2009 | CN100460524C Novel torpedo type iron ladle car leaning device |
| 02/04/2009 | CN101358262A Method for producing nodular cast iron crankshaft of large power air-conditioned compressor |
| 02/04/2009 | CN101358261A Masonry method of mixer |
| 02/03/2009 | US7485254 Metal powder production apparatus |
| 01/21/2009 | EP1541699B1 Method for stirring steel |
| 01/08/2009 | WO2009005755A1 Method and apparatus for charging hot direct reduced iron from hot transport vessels into a melter or finisher |
| 01/07/2009 | CN101341262A Process for production of compacted graphite iron |
| 01/07/2009 | CN101338348A Slag diluent for molten iron desulphurization slag |
| 12/31/2008 | WO2009001841A1 Flaky graphite cast iron, and method for production thereof |
| 12/31/2008 | CN101333577A Method for decreasing titan content in molten ductile iron |
| 12/31/2008 | CN100447255C Blast furnace mixer inside lining building structure for steelmaking |
| 12/18/2008 | WO2008048208A3 Controlled synthesis of highly monodispersed gold nanoparticles |
| 12/17/2008 | CN101323014A Method for processing alloy chilled nodular cast iron cylinder rod |
| 12/10/2008 | CN201162019Y Semi-high trestle type smoke drip catcher for blast furnace mixer |
| 12/04/2008 | DE102006026235B4 Verfahren zur Herstellung von Formkörpern und deren Verwendung A process for the production of moldings and the use thereof |
| 11/26/2008 | EP1811051B1 Alloy for modifying iron |
| 11/26/2008 | CN201154971Y Reactant charging device for producing Al-Ti-B |
| 11/25/2008 | US7455810 Metallurgical reactor for the production of cast iron |
| 11/25/2008 | CA2423166C Method for making reduced iron |
| 11/19/2008 | CN101310028A Continuous refining method and continuous refining equipment |
| 11/19/2008 | CN100434540C Outer desulfurization method for acid induction furnace |
| 11/18/2008 | US7452499 Furnace cooling system and method |
| 11/12/2008 | CN101305105A Method of hot metal dephosphorization treatment |
| 11/05/2008 | CN101298631A In situ mechanically rabbled furnace external desulfurization method and apparatus |
| 10/23/2008 | WO2008125700A1 Hardened and tempered steel and method for producing parts of said steel |
| 10/22/2008 | EP1983194A1 Ductile cast iron scroll compressor |
| 10/22/2008 | CN101289699A Pin gear transmission blast furnace mixer |
| 10/14/2008 | CA2262490C Method and device for producing silicon-rich foundry iron |
| 10/01/2008 | EP1974062A1 Process for production of compacted graphite iron |
| 09/25/2008 | US20080230966 Scrap melter and impeller therefore |
| 09/09/2008 | US7422622 Supplying solid feed materials for a direct smelting process |
| 09/04/2008 | DE102005058532B4 Verfahren zur anpassungsfähigen Prozesssteuerung für die Herstellung von Gusseisen A method for adaptive process control for the production of cast iron |
| 09/01/2008 | CA2623628A1 A process for separating iron from other metals in iron containing feed stocks |
| 08/27/2008 | CN101250604A Alterant for producing high-strength cast-iron nutrient frying-disc by furnace cupola and method for manufacturing same |
| 08/20/2008 | EP1957219A1 Method for adaptively controlling processes for the production of cast iron |
| 08/06/2008 | CN100408710C Inoculant products comprising bismuth and rare earths |
| 07/31/2008 | WO2008089894A1 Method for influencing the properties of cast iron |
| 07/31/2008 | CA2668841A1 Method for influencing the properties of cast iron |
| 07/30/2008 | CN201092578Y Device for synchronous implementation of molten iron desulfurization and spheroidization |
| 07/30/2008 | CN201092577Y Labiate ladle apparatus for spheroidal graphite cast-iron tube |
| 07/24/2008 | DE102007004147A1 Verfahren zum Beeinflussen der Eigenschaften von Gusseisen sowie Sauerstoffsensor Method for influencing the properties of cast iron and oxygen sensor |
| 07/23/2008 | EP1756320A4 Heat exchanger system used in steel making |
| 07/23/2008 | CN101225452A Mobile smoke blast trapping device for furnace mixer |
| 07/02/2008 | CN101210296A Low-chromium copper alloy gray cast iron and preparation method thereof |
| 07/02/2008 | CN101209491A Method for casting printing machine as-cast nodular iron roller body |
| 06/26/2008 | WO2008076497A1 As-cast carbidic ductile iron |
| 06/11/2008 | CN100393891C Building technology of fintegrated building blast furnace mixer |
| 06/04/2008 | CN100391656C High nickel austenite spheroidal graphite cast iron automobile exhaust branch pipe and casting method |
| 06/03/2008 | US7381366 Apparatus for the production or refining of metals, and related processes |
| 06/03/2008 | US7381365 Production of products from steel slags |
| 05/28/2008 | CN101186953A Smelting for ultra-large thick-wall spheroidal cast iron element and on site metamorphism treatment method thereof |
| 05/06/2008 | US7368078 Metal powder production apparatus |
| 04/30/2008 | CN101168785A Method for casting megawatt-stage wind electric generator set from minus 40 DEG C low-temperature cast Ni-free ball iron |
| 04/15/2008 | US7357826 Transferring the ladle with the molten iron to a nodularization area; adding magnesium for producing the nodularization process in the molten iron; measuring vibration of the ladle containing the molten iron caused by the nodularization, comparing |
| 04/09/2008 | CN101157962A Oxidation process ultrapure pig iron manufacturing technique |
| 04/08/2008 | US7354549 Nitrogen trapping agent is added to measurement hopper; melting, pouring into mold; cooling, solidification, casting |
| 04/02/2008 | CN100378240C Method for production and forming of cast pieces of spheroidal graphite with improved mechanical properties |
| 02/14/2008 | WO2008017445A1 Method for producing a skim core with innoculant body |
| 02/14/2008 | US20080035320 Heat exchanger system used in steel making |
| 02/13/2008 | EP1887090A1 Improved method of producing ductile iron |
| 02/06/2008 | CN101117651A Converting process for converter low-silicon molten iron |
| 01/31/2008 | WO2008012492A1 Improved method of producing ductile iron |
| 01/31/2008 | CA2653172A1 Improved method of producing ductile iron |
| 01/30/2008 | CN101113482A Process and device for producing spheroidal graphite cast iron tube |
| 01/23/2008 | EP1811051A4 Alloy for modifying iron |
| 01/16/2008 | CN101104874A Method for processing refined-smelting ladle furnace deep desulfurization finally slag |
| 01/15/2008 | CA2317529C A method to produce compacted graphite iron |
| 01/03/2008 | US20080000327 for handling pellet, lump, and/or briquette charge materials for use in steelmaking industry |
| 12/21/2007 | WO2007145481A1 Method of cooling slag generated during preliminary treatment of molten iron |
| 12/13/2007 | WO2007140990A1 Method for producing moulded bodies and their use |
| 12/13/2007 | DE102006026235A1 Verfahren zur Herstellung von Formkörpern und deren Verwendung A process for the production of moldings and the use thereof |
| 12/06/2007 | WO2005079153A3 Solid-fluid composition and uses thereof |
| 12/06/2007 | DE102006024414A1 Gusseisenwerkstoff zur Herstellung von Kolbenringen und Zylinderlaufbuchsen Cast iron material for the manufacture of piston rings and cylinder liners |
| 12/05/2007 | CN200985334Y Torpedo hot metal mixer car protective cover |
| 12/05/2007 | CN100352577C Inoculant-strainer with improved filtration effectiveness and inoculant dissolution |
| 11/28/2007 | CN101078083A Special-purpose multi-component low rare earth vermiculizer for producing thick wall Vermicular iron element by furnace cupola |
| 11/28/2007 | CN100351399C Method for pig iron melt dephosphorize |
| 11/21/2007 | EP1492893B1 Method and installation for producing stainless steel, especially high-quality steel containing chromium or nickel chromium |
| 11/21/2007 | CN200978292Y Integral pouring iron mixing vehicle splash guard |
| 11/21/2007 | CN101074454A Process for manufacturing ultra-purity pig iron by oxidation |
| 11/07/2007 | EP1852666A1 Reverse slant lining structure of furnace with reduced part structure |
| 11/07/2007 | CN101067160A MgO base desulfurizing agent and producing method thereof |
| 11/07/2007 | CN101066880A Alumina-silicon carbide-carbon brick for torpedo tank and torpedo tank lining structure therewith |
| 09/07/2007 | WO2007100113A1 Blowing lance for refining, blowing lance apparatus for refining, method of desiliconizing of molten iron, and method of pretreatment of molten iron |
| 09/07/2007 | WO2007100109A1 Method of dephosphorization of molten iron |