Patents for C21C 1 - Refining of pig-iron; Cast iron (3,137)
12/2005
12/13/2005US6973954 Method for manufacture of gray cast iron for crankcases and cylinder heads
12/07/2005EP1601803A2 Microwave assisted continuous synthesis of manocrystalline powders and coatings using the polyol process
12/07/2005EP1231287B1 Production method for porous metal body
12/07/2005CN1230562C Desulphurizing method for smelting iron alloy
11/2005
11/24/2005US20050257644 Refining agent and refining method
11/24/2005DE202005012042U1 Waste containing iron oxide for recovering cast iron comprises a blank produced from the waste
11/23/2005CN1228157C Manufacturing method of cast iron mould cavity inoculation block
11/16/2005CN1227373C Rolling bearing for supporting rotation of fish torpedo type tank of iron-mixing vehicle and load-bearing
11/10/2005WO2005106048A2 Heat exchanger system used in steel making
11/02/2005CN2737803Y Oscillating arm type mechanical stirring equipment locking device
11/02/2005CN2737802Y Stirring block connecting apparatus
11/02/2005CN1690228A Preprocessing agent for molten iron and method for preparing same
10/2005
10/26/2005CN1687464A Composite nodulizer of yttrium based heavy rare earths magnesium
10/19/2005EP1456520A4 Gray cast iron for cylinder heads
10/12/2005CN1222628C Method and apparatus for producing desulfurizing agent for hot-metal
10/06/2005WO2005093106A1 Method for dephosphorization of hot metal
10/05/2005CN1221671C Flux-cored wire for introducing additives into molten metal
09/2005
09/29/2005WO2005090614A1 New desulphurating agents for decreasing sulphur content of iron melts to ultra low level
09/21/2005CN1219892C Desulphurizing molten iron
09/20/2005US6946014 transformation into hydraulic binder equivalent to Portland Cements via
09/08/2005DE102004004038B3 Process to manufacture fully-killed aluminium-steel by introduction of calcium carbonate
09/07/2005CN1665942A Metallurgical treatment method on a metal bath
09/07/2005CN1665941A Inoculation alloy against micro-shrinkage cracking for treating cast iron castings
09/07/2005CN1218054C Method for desulfurizing melted iron
08/2005
08/31/2005EP1567251A2 Molten metal shaft coupling system
08/25/2005WO2005078146A1 A zinc refining process with oxygen-enriched and the enclosed smelting furnace thereof
08/18/2005US20050180876 0.005 to 3% of an element in the bismuth, lead and antimony group, 0.3 to 10% of metals in the group consisting of rare earths and possibly up to 5% of aluminium and up to 1.5% of calcium, the remainder being ferro-silicon; lanthanum accounts for more than 90% of the rare earth metals
08/17/2005EP1563102A1 Reclaimed magnesium desulfurization agent
08/10/2005CN2716277Y Single column type integrated molten iron desulfurization and slag removing machine
08/10/2005CN2715887Y suspension arm tilting type slag harrow rotating slag remover
08/10/2005CN1653201A Method for production and forming of cast pieces of spheroidal graphite with improved mechanical properties
08/10/2005CN1651582A Method of comprehensively utilizing arsenic sulfur element in high arsenic containing pyrite
08/03/2005EP1558768A1 Method for the production of corrosion-resistant steels and cast irons by alloying with a polymerized, fullerene-like carbon
08/03/2005EP1463594B1 Inoculation filter
07/2005
07/27/2005CN1646707A Method and installation for producing stainless steel, especially high-quality steel containing chromium or nickel chromium
07/27/2005CN1644720A Oxygen-enriched zinc smelting method
07/13/2005CN1210412C Desulphurizing molte iron
06/2005
06/29/2005CN1208478C Molten iron desulfurizing method
06/29/2005CN1208285C Refractory for cupola furnace
06/23/2005WO2005056840A1 Process for effectively removing slag from molten iron and apparatus therefor
06/23/2005WO2005017233A3 Insulated cold hearth for refinning metals having improved thermal efficiency
06/23/2005CA2549551A1 A high efficient method of slagging-off for liquid iron and a device for implementing said method
06/21/2005US6908589 High manganese cast iron containing spheroidal vanadium carbide and method for making therof
06/15/2005EP1541699A1 Method for feeling steel
06/15/2005CN1206370C Apparatus and process to extract heat and solidify molten material particles
06/01/2005CN1621537A Metallurgical reactor for the production of cast iron
05/2005
05/25/2005EP1533388A1 Method of manufacturing low phosphorous hot metal
05/25/2005CN2701872Y Hot metal desulfurization lance
05/25/2005CN1620501A Polypeptides having cellobiohydrolase i activity and polynucleotides encoding same
05/25/2005CN1203194C Torpedo hot metal mixer can tank body dumper driving system
05/19/2005US20050103161 Of high-tensile steel plate to produce good quality of cast iron; high tensile strength and ordinary steel plate or melted together, and a spheroiding agent is added, which contains no rare earth element but does contain bismuth
05/11/2005CN1615192A Inoculant pellet for late inoculation of cast iron
05/11/2005CN1615191A 孕育过滤器 Bred filter
05/11/2005CN1201023C Aluminium-calcium composite desulfurizing agent, and producing mehtod and using method thereof
05/05/2005US20050092133 Reducing costs and waste slag; reusing desulfurized slag resulting from hot metal treatment
04/2005
04/20/2005CN1197827C Burnt aluminum-carbon brick for torpedo hot metal mixer car and mfg. method thereof
04/13/2005EP1521851A2 Direct production of refined metals and alloys
04/13/2005CN1606656A Gray cast iron for cylinder heads
04/06/2005CN1195709C Silicon fertilizer and its producing method
03/2005
03/31/2005US20050066772 Via sodium oxide and silicon oxide; sodium in reactive desulphurizing agent is rendered resistant to combustion or evaporation on contact with molten ferrous materials by flux activity of silica
03/31/2005DE10340994A1 Verfahren zur Herstellung eines hochlegierten Stahlgusswerkstoffes mit feiner Kornstruktur. A method for producing a high-alloy cast steel material with fine grain structure.
03/30/2005CN1602367A Method for reuse of steel sheet scrap
03/30/2005CN1600870A Method for producing nodular cast iron in high aluminum through melting in three-stage furnace
03/30/2005CN1195078C Integrated metal mixer depositing process
03/24/2005WO2005026396A1 Method for the production of a high-alloy cast steel material having a fine grain structure
03/23/2005EP1463595B1 Inoculant pellet for late inoculation of cast iron
03/17/2005US20050056120 And lime, alumina and dolomite; purification of iron alloys
03/16/2005CN1596316A Method of manufacturing low phosphorous hot metal
03/15/2005US6866696 Briquette, tablet, or powder agglomeration contains iron sulfide and iron oxide with aluminum, copper, or iron metal binders; high speed dissolution of alloy; heat transfer; odorless; compaction, pressing, rolling
03/10/2005US20050050992 Additive for inoculation of cast iron and method
03/09/2005CN1590564A Molten iron pretreatment method
03/01/2005US6861029 Carbon, silicon, manganese, copper, magnesium, sulfur, group iiib elements, boron and silicon at > 2.4% wt with an iron balance
02/2005
02/24/2005WO2005017233A2 Insulated cold hearth for refinning metals having improved thermal efficiency
02/23/2005EP1507876A2 Metallurgical treatment method on a metal bath
02/16/2005CN1189743C Novel heat analysing system
02/16/2005CN1189271C Spheroidal graphite cast iron mould cavity inoculation block and its production technology
02/09/2005EP1504132A1 Method for production and forming of cast pieces of spheroidal graphite with improved mechanical properties
01/2005
01/26/2005EP1499750A2 Inoculation alloy against micro-shrinkage cracking for treating cast iron castings
01/25/2005CA2212838C Strip casting apparatus
01/19/2005EP1498499A1 An agent for desulfurization of metal melts
01/18/2005US6843959 Mixer
01/12/2005EP1496132A1 Steel for case hardening bearing excellent in toughness and rolling fatigue life in quasi-high temperature region
01/12/2005EP1218551B1 Method of introducing additives in steelmaking
01/12/2005CN1563432A Technique for producing casting pieces through continuous casting iron liquid from blast furnace
01/05/2005EP1492893A1 Method and installation for producing stainless steel, especially high-quality steel containing chromium or nickel chromium
01/04/2005US6837916 Smelting reduction method
12/2004
12/30/2004US20040262825 Scrap melter and impeller therefore
12/29/2004CN1558804A Cast iron member manufacturing method
12/23/2004US20040255721 Heating and reduction of metal precursor compound to metal using alcoholic solvent
12/21/2004US6833019 Microwave assisted continuous synthesis of nanocrystalline powders and coatings using the polyol process
12/16/2004US20040250927 Filling the molten metal of cast iron through a runner into the cavity of a die having heat insulation on the inside walls; closing the runner to seal the cavity right before the melt starts to solidify; defects prevented by allowing the pressure of crystallization to effect solidification; no cementite
12/09/2004WO2004081532A3 Inoculant-strainer with improved filtration effectiveness and inoculant dissolution
12/09/2004US20040244881 Cast iron member manufacturing method
12/02/2004WO2004104252A1 Inoculant products comprising bismuth and rare earths
12/01/2004CN2660220Y Planetary speed reducer of mixer vehicle
11/2004
11/18/2004US20040227279 Metallurgical reactor for the production of cast iron
11/17/2004EP1477573A1 Metallurgical reactor for the production of cast iron
11/17/2004CN1546259A Melted iron highly performance slag digging method and dedicated apparatus therefor
10/2004
10/07/2004US20040197890 Comprises heat resistant enzymatic polypeptide for bioremediation of plant biomass and pollution control; reuse
10/07/2004US20040195739 Device for treatment of iron alloys in vessel
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