| Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430) |
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| 08/04/2005 | US20050166710 carbon-containing iron melt is subjected to a decarburization by the addition of oxygen and a part of the metallic alloying elements are slagged; metal melt is withdrawn from metallurgical vessel while slag remains unreduced; vessel is filled with new charge of iron melt and decarburized |
| 08/03/2005 | EP1558768A1 Method for the production of corrosion-resistant steels and cast irons by alloying with a polymerized, fullerene-like carbon |
| 08/03/2005 | EP1372888B1 Refractory plug or brick for injecting gas into molten metal |
| 08/03/2005 | CN2714573Y Cladded type steel core aluminum-steel liquid deoxidizer block |
| 08/03/2005 | CN1650035A Method for deep decarburisation of steel melts |
| 07/28/2005 | US20050160876 Decarbonization in a three refining stages, reducing carbon concentration in molten steel by oxidation, providing oxygen and inert gas in one stream |
| 07/27/2005 | CN2712938Y Multifunctional top lance |
| 07/27/2005 | CN1646707A Method and installation for producing stainless steel, especially high-quality steel containing chromium or nickel chromium |
| 07/27/2005 | CN1644748A High-sulphur abrasion-resistant casting steel and production thereof |
| 07/27/2005 | CN1212409C Compound deoxidant for solid steel |
| 07/27/2005 | CN1212408C Carburant for steel-making and producing process and method of using thereof |
| 07/26/2005 | US6921497 Composition of matter tailoring: system I |
| 07/26/2005 | US6921425 Model-based system for determining process parameters for the ladle refinement of steel |
| 07/21/2005 | DE10347200B4 Entgasungsverfahren von Flüssigstahl Degassing of liquid steel |
| 07/20/2005 | CN1643168A Method for treating alloyed carbonic iron smelts used for the production of steel |
| 07/14/2005 | WO2005064022A1 Steel desulphurating agent and use thereof in the desulphuration of steel |
| 07/14/2005 | WO2005001146A3 Method for conditioning slags and dust |
| 07/14/2005 | DE10360508A1 Rohstoffgranaliengranulat für feuerfeste Erzeugnisse sowie Verfahren zur Herstellung und Verwendung des Rohstoffgranaliengranulats Raw granules granules for refractory products and methods of making and using the raw granules granules |
| 07/14/2005 | DE10208903B4 Ofen zum Umschmelzen eines Titanblocks Furnace for remelting a titanium block |
| 07/14/2005 | CA2551270A1 Steel desulphurating agent and use thereof in the desulphuration of steel |
| 07/13/2005 | CN1636941A Coated granulated raw materials for refractory products and producing method thereof and use of granulated raw materials |
| 07/13/2005 | CN1210415C Desulfurizer based on nano composite calcium carbide and calcium oxide for steel |
| 07/13/2005 | CN1210414C Process for producing blowing powder for deoxidizing and desulfurization of steel ladle |
| 07/13/2005 | CN1210413C High cleanliness steel and process for producing the same |
| 07/13/2005 | CN1210226C Refractory cast material for desulfurizing gunite |
| 07/07/2005 | WO2005061740A1 Mixture for making steel |
| 07/06/2005 | CN2707767Y Wire feeding conduit pipe for ladle furnace |
| 07/06/2005 | CN1209472C Aluminium-iron alloy for finished deoxidation of molten steel in steelmaking and preparation method thereof |
| 07/06/2005 | CN1209471C Composite metallurgical refining agent |
| 07/06/2005 | CN1209317C Sliding sprue tile for smelting high-oxygen steel and calcium treated steel |
| 06/23/2005 | WO2005017233A3 Insulated cold hearth for refinning metals having improved thermal efficiency |
| 06/23/2005 | US20050133974 Powder feeding method and apparatus |
| 06/22/2005 | CN1629324A Refining method and refining apparatus of molten steel |
| 06/22/2005 | CN1207403C Microcarbon aluminium magnesia iron alloy used for molten steel final deoxygenation and alloying |
| 06/22/2005 | CN1207402C Steel making MnAlTiFe alloy with microcomponent Si and Low C, P and S contents |
| 06/22/2005 | CN1207401C Al-Mg-Fe alloy for deoxidation and desulfurization in smelting steel |
| 06/22/2005 | CN1207400C Direct smelting process and container therefor |
| 06/22/2005 | CA2490528A1 Granulated raw material for refractory products and also a process for the production of and use of the granulated raw material |
| 06/15/2005 | EP1541699A1 Method for feeling steel |
| 06/15/2005 | EP1377689B1 Apparatus for injecting gas into a vessel |
| 06/15/2005 | CN1626682A Converter refined slaging medium and slagging technique |
| 06/15/2005 | CN1206375C Gas protection process for feeding alloy wire into molten steel and its equipment |
| 06/15/2005 | CN1206374C Porous agglomerates containning iron and at least one further element from groups 5 or 6 of the periodic table for use as alloying agent |
| 06/15/2005 | CN1206373C Method and use of calcium nitrate for foaming of steel-making slags |
| 06/15/2005 | CN1206370C Apparatus and process to extract heat and solidify molten material particles |
| 06/09/2005 | DE10351686A1 Verfahren zum Einbringen von anorganischen Festkörpern in heiße, flüssige Schmelzen A method of introducing inorganic solids in hot liquid melting |
| 06/09/2005 | DE10236354B4 Verfahren zur Behandlung von Stahlschmelzen A method for the treatment of steel melts |
| 06/09/2005 | DE102004027531B3 Coupling for metallurgical vessel, especially a steel casting ladle useful for connecting a metallurgical ladle to a gas scavenging line includes a pan-shaped first and second coupling part with two gas inlet channels and gas exit channels |
| 06/08/2005 | EP1538224A1 Steel product reduced in amount of alumina cluster |
| 06/08/2005 | CN1624169A Rare earth aluminium silicon titanium iron alloy for steel liquid deoxidation and its proparation process |
| 06/08/2005 | CN1624168A High pure silicon magnesium iron alloy for steel liquid deoxidation and its preparation process |
| 06/08/2005 | CN1624167A Rare earth aluminium titanium iron alloy for steel liquid deoxidation and its preparation process |
| 06/08/2005 | CN1624166A Rare earth silicon manganese aluminium iron alloy for steel liquid deoxidation and its preparation process |
| 06/08/2005 | CN1624165A Rare earth aluminium magnesium iron alloy for steel liquid deoxidation and its preparation process |
| 06/08/2005 | CN1624164A Aluminium manganess composite deoxidized alloy block for deoxidized contained manganess aluminium and its production technology |
| 06/08/2005 | CN1624163A Aluminium steel composite deoxidatier special for particular steel and its production technology |
| 06/08/2005 | CN1624162A Aluminium chromium composite deoxidized alloy block deoxidized contained chromium aluminium and its producing technology |
| 06/08/2005 | CN1624161A Process and equipment for feeding wire |
| 06/01/2005 | EP1143023B1 Steel for welded structure purpose exhibiting no dependence of haz toughness on heat input and method for producing the same |
| 06/01/2005 | CN1204275C Si-Ba-Mn-Fe alloy for steel-smelting deoxidation and alloying |
| 06/01/2005 | CN1204090C Refractory material for slot-type ventilating brick of refining steel ladle and its making method |
| 05/26/2005 | US20050109161 Circulating the steel between a container and a vacuum container, impacting the top surface of the steel bath in the vacuum container with a compact, high speed oxygen blow stream that oxidizes the carbon to form carbon monoxide and carbon dioxide |
| 05/25/2005 | EP1533388A1 Method of manufacturing low phosphorous hot metal |
| 05/25/2005 | EP1532284A1 Device for injecting a treatment gas into a molten metal |
| 05/25/2005 | EP1532282A1 Metallurgical slag |
| 05/25/2005 | DE10350959A1 Recovery of metallic elements, especially Cr from metal-containing slags used in the production of Cr-containing steels |
| 05/25/2005 | CN2701873Y Inner lining structure of RH vacuum groove |
| 05/25/2005 | CN2701872Y Hot metal desulfurization lance |
| 05/25/2005 | CN1618992A Outside of furnace refining agent and its manufacturing method |
| 05/25/2005 | CN1202930C Fire-resistant drainage outlet |
| 05/19/2005 | WO2005045083A1 Thin steel sheet excelling in surface property, moldability and workability and process for producing the same |
| 05/19/2005 | WO2005045077A1 Method for the introduction of inorganic solid bodies into hot liquid melts |
| 05/19/2005 | CA2544695A1 Thin gauge steel sheet and method for producing the same |
| 05/18/2005 | EP1530648A1 Methods and device for decarbonising a steel melt |
| 05/18/2005 | CN1616687A Slow release deoxidizing composition |
| 05/18/2005 | CN1616686A Slag making agent of aluminium an calcium substance |
| 05/18/2005 | CN1202269C Desulfurizer and its producing technique |
| 05/18/2005 | CN1202268C Pure aluminium iron compound deoxidant and its production process |
| 05/17/2005 | US6893607 Elevated discharge gas lift bubble pump and furnace for use therewith |
| 05/11/2005 | CN2698805Y Multifunctional top lance spray nozzle |
| 05/11/2005 | CN1614037A High effective Al-Mn-Fe composite oxygen remover |
| 05/11/2005 | CN1614036A Dispension of nano titanium removing agent in bearing steel liquid |
| 05/11/2005 | CN1614035A Composite refiner for metallurgy |
| 05/11/2005 | CN1201025C Si-Al-Ba-Ca-B-Fe alloy for final deoxidation of molten steel and its preparation method |
| 05/11/2005 | CN1201024C Blowing lance nozzle |
| 05/11/2005 | CN1201023C Aluminium-calcium composite desulfurizing agent, and producing mehtod and using method thereof |
| 05/10/2005 | CA2315570C Gas blowing plug and manufacturing method therefor |
| 05/05/2005 | US20050092133 Reducing costs and waste slag; reusing desulfurized slag resulting from hot metal treatment |
| 05/04/2005 | EP1528114A1 Free-cutting steel and fuel injection system component using the same |
| 05/04/2005 | CN1611626A Free-cutting steel and fuel injection system component using the same |
| 05/04/2005 | CN1611613A Method and apparatus for increasing production ability in iron and steel production |
| 05/04/2005 | CN1200119C Fe-Ca-Al slag and its prepn |
| 05/04/2005 | CN1199912C Fusing of natural wollastonite and its using method |
| 04/28/2005 | US20050089437 Free-cutting steel and fuel injection system component using the same |
| 04/27/2005 | EP1325161B1 Blowing lance nozzle |
| 04/27/2005 | EP1315841B1 Process for the metallurgical treatment of molten steel in a converter with oxygen top blown |
| 04/27/2005 | EP1196642B1 Method for controlling and adjusting the concentration of a gas component in a melt and a device for carrying out the same |
| 04/27/2005 | CN1198947C Method for grain refining of steel, grain refining alloy for steel and method for producing grain refining alloy |
| 04/21/2005 | WO2005035798A1 Method for producing steel ingot |
| 04/20/2005 | EP1524322A2 Method of liquid steel production with slag recycling in a converter, equipment to employ the method |