Patents for C21C 1 - Refining of pig-iron; Cast iron (3,137)
10/2004
10/07/2004US20040194940 Heat exchanger system used in steel making
10/06/2004EP1463595A2 Inoculant pellet for late inoculation of cast iron
10/06/2004EP1463594A2 Inoculation filter
09/2004
09/30/2004WO2004050224A3 Molten metal shaft coupling system
09/23/2004WO2004081532A2 Inoculant-strainer with improved filtration effectiveness and inoculant dissolution
09/21/2004US6793707 Inoculation filter
09/16/2004WO2004070067A3 Microwave assisted continuous synthesis of manocrystalline powders and coatings using the polyol process
09/16/2004US20040178546 Inoculant-strainer with improved filtration effectiveness and inoculant dissolution
09/15/2004EP1457574A1 Method for pretreatment of molten iron and method for refining
09/15/2004EP1456520A1 Gray cast iron for cylinder heads
09/15/2004CN1528919A Method for desulfurizing melton iron using desulfurizing agent of containing-aluminium calcium-oxide group
09/01/2004EP1452615A1 Method for reuse of steel sheet scrap
08/2004
08/31/2004US6783570 Method for determining the needed amount of structure modifying agent to be added to cast iron
08/19/2004WO2004070067A2 Microwave assisted continuous synthesis of manocrystalline powders and coatings using the polyol process
08/19/2004DE29825067U1 Schachtofen mit Injektordüse Shaft furnace with injector
08/19/2004CA2515042A1 Microwave assisted continuous synthesis of nanocrystalline powders and coatings using the polyol process
08/12/2004WO2004067785A1 Method for doping melts using metal capsules
08/11/2004EP1445337A1 Method for dephsophorization of molten irona
08/05/2004US20040151612 Nonmagnetic; wear resistance; toughness; steel
08/03/2004US6770366 Cored wire for introducing additives into a molten metal bath
07/2004
07/28/2004EP1440748A1 Method of die casting spheroidal graphite cast iron
07/15/2004WO2004042088B1 Reclaimed magnesium desulfurization agent
07/15/2004DE10004910B4 Verfahren zur Bestimmung des Gehalts an Kohlenstoff und Silizium in geschmolzenem Eisen A method for determining the content of carbon and silicon in the molten iron
06/2004
06/30/2004EP1433549A1 Cast iron member manufacturing method
06/24/2004WO2004009269A3 Method for securing an inoculating pellet to a filter and inoculation filter thus obtained
06/17/2004WO2004050224A2 Molten metal shaft coupling system
06/17/2004CA2506558A1 Molten metal shaft coupling system
06/10/2004US20040108635 Molten metal shaft coupling system
06/09/2004CN1502964A Method for correcting deformation of furnace casing
06/03/2004US20040103755 comprises silicon-carbide enriched melt within charged cupola
05/2004
05/27/2004US20040100001 Mixer
05/26/2004EP1421224A2 Polypeptides having cellobiohydrolase i activity and polynucleotides encoding same
05/21/2004WO2004042090A1 Inmould process for the spheroidization and inoculation treatment of cast sg iron
05/21/2004WO2004042089A1 Method for the production of corrosion-resistant steels and cast irons by alloying with a polymerized, fullerene-like carbon
05/21/2004WO2004042088A1 Reclaimed magnesium desulfurization agent
05/20/2004US20040093988 Comprising, based on the raw slag total weight, at least 45% in weight of CaO and less than 30% in weight of Fe2O3, overcoming the inconveniences of the prior art
05/19/2004DE19962132C5 Verfahren zum Betrieb einer Kupolofenanlage und entsprechende Kupolofenanlage Method for operating a cupola cupola and corresponding
05/12/2004EP1417355A1 Device for treatment of iron alloys in a vessel
05/11/2004US6733565 Metal powders provide rapid dissolution of the alloy and improved heat transfer
05/06/2004US20040083851 Reclaimed magnesium desulfurization agent
04/2004
04/29/2004WO2004007775A3 Direct melting and refining of metal oxide material
04/20/2004US6723276 Scrap melter and impeller
04/01/2004WO2003093514A3 Inoculation alloy against micro-shrinkage cracking for treating cast iron castings
03/2004
03/31/2004CN1485447A Process and apparatus of drop height refining
03/25/2004WO2003000941A3 Polypeptides having cellobiohydrolase i activity and polynucleotides encoding same
03/18/2004WO2004022791A1 Method for production of ductile iron
03/17/2004CN1482260A Rolling bearing for supporting rotation of fish torpedo type tank of iron-mixing vehicle and load-bearing
03/11/2004WO2004020677A1 Method of manufacturing low phosphorous hot metal
03/11/2004WO2004020676A1 Method for refining and modifying iron-carbon melt
03/04/2004US20040042925 Pretreating ladle with iron, magnesium, silicon alloy; supplying iron melt
03/03/2004EP1165850B1 Method for predicting the microstructure of solidifying cast iron
03/03/2004EP1141431B1 Method for determining the needed amount of structure modifying agent to be added to cast iron
03/03/2004CN1479792A Desulphurizing molten iron
03/03/2004CN1478905A Torpedo hot metal mixer car tank body dumper driving system
02/2004
02/26/2004WO2003100102A3 Metallurgical treatment method on a metal bath
02/25/2004CN1478150A Desulphurizing molten iron
02/25/2004CN1477223A Cast-iron alloy
02/12/2004WO2004013358A1 Method for dephosphorization of molten iron
02/12/2004US20040025980 Method for producing spheroidal graphite cast iron
02/10/2004US6689310 Molten metal degassing device and impellers therefor
02/05/2004WO2003054372A8 Gray cast iron for cylinder heads
02/05/2004DE10233732A1 Gusseisenlegierung Cast iron alloy
02/04/2004EP1386976A1 Cast iron
02/04/2004CN1473203A 精炼剂以及精炼方法 Refining agent and refining methods
01/2004
01/29/2004WO2004009269A2 Method for securing an inoculating pellet to a filter and inoculation filter thus obtained
01/29/2004US20040018111 Cast iron alloy
01/27/2004CA2280168C Vessel for metallurgical purposes
01/22/2004WO2004007775A2 Direct melting and refining of metal oxide material
01/22/2004DE10228426A1 Verfahren zum Einbringen von Magnesium in eine Gußeisenschmelze Method for introducing magnesium into a molten cast iron
01/08/2004US20040003648 Determination of carbon and silicon contents in molten iron
01/07/2004CN1465732A Technological method for smelting silicon base low rareearth calcium, baryum alloy liquid by mineral heating furnace, and producing rareearth nodulizer of ladle magnesium pressing
01/07/2004CN1465731A High-effect composite powder nodulizer and technological method thereof
01/02/2004EP1373582A2 Carrier material and desulfurization agent for desulfurizing iron
12/2003
12/24/2003WO2003106717A1 Method of reagents injection into the melt, metal melt stirring and device for its implementation
12/24/2003WO2003057389A3 Inoculant pellet for late inoculation of cast iron
12/24/2003WO2003057388A3 Inoculation filter
12/17/2003EP1370501A1 Method for oxidizing treatment of steel plant slag to obtain cement-based materials
12/17/2003CN1461812A Method and device for pretreating metal iron using torpedo hot metal mixer car diversified composite jetting method
12/17/2003CN1131328C Production method for porous metal body
12/04/2003WO2003100107A1 Method for production and forming of cast pieces of spheroidal graphite with improved mechanical properties
12/04/2003WO2003100102A2 Metallurgical treatment method on a metal bath
12/04/2003CA2485633A1 Metallurgical treatment method on a metal bath
11/2003
11/13/2003WO2003093514A2 Inoculation alloy against micro-shrinkage cracking for treating cast iron castings
11/13/2003CA2484036A1 Inoculation alloy against micro-shrinkage cracking for treating cast iron castings
10/2003
10/28/2003US6638337 Method of introducing additives in steelmaking
10/22/2003EP1153143B1 Desulphurizing mixture based on calcium carbide and/or lime
10/16/2003WO2003085141A1 Method and device for producing carbon steels or stainless steels by blowing high-phosphorus pig iron in an electric arc furnace or in a converter vessel
10/16/2003WO2003085140A1 Method and installation for producing stainless steel, especially high-quality steel containing chromium or nickel chromium
10/15/2003CN1448521A Method for removing manganese in cast iron molten liquid and method for manufacturing nodular graphite cast iron
10/15/2003CN1124356C Method for proedicting the microstructure of solidifying cast iron
10/09/2003WO2003083145A1 Method for feeling steel
10/09/2003WO2003083143A1 Method for removing manganese in molten cast iron and method for producing spheroidal graphite cast iron
10/01/2003CN1122729C Method for determining the microstructure of cast iron in solidifying
09/2003
09/25/2003US20030177864 Method for manufacturing hot metal desulfurizing agent and apparatus for same
09/24/2003EP1070147B1 METHOD OF MAKING Mg TREATED IRON WITH IMPROVED MACHINABILITY
09/24/2003CN2574807Y Container shell body perforated saddle shaped groove processing machine
09/24/2003CN1122113C High strength crankshaft of alloy and nodelar cast iron and its production process
09/17/2003CN1121600C Method and apparatus for repairing inner liner of hot iron mixer
09/02/2003US6613119 Inoculant pellet for late inoculation of cast iron
08/2003
08/28/2003WO2003070989A1 Converter used in the magnesium treatment of cast iron melts
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