| Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430) |
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| 04/20/2005 | CN2693783Y Magnesium-carbon oxygen core lance |
| 04/14/2005 | WO2005032745A1 Mold powder for continuous casting of steel |
| 04/14/2005 | DE10259335B4 Abdeckmittel für eine Topschlacke, Verfahren zu seiner Herstellung und Verwendung des Abdeckmittels Covering means for a top slag, to processes for its preparation and use of the cover |
| 04/14/2005 | CA2539701A1 Mold powder for continuous casting of steel |
| 04/13/2005 | CN1605646A Aluminium killed steel deoxidizer - alfer |
| 04/13/2005 | CN1605633A Low-carbon steel molten-steel modifier |
| 04/13/2005 | CN1196804C Austenite stainless steel with low cracking sensitivity during forming and its preparing method |
| 04/06/2005 | EP1391524B1 Method for agitating steel in a ladle |
| 04/06/2005 | CN1603026A Method for real-time estimating temperature of liquid steel in RH fining furnace |
| 04/06/2005 | CN1195877C Ladle refining device and ladle refining method using it |
| 03/31/2005 | WO2004108971A3 Method and installation for the production of steel products having an optimum surface quality |
| 03/31/2005 | US20050066772 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 |
| 03/31/2005 | DE10340994A1 Verfahren zur Herstellung eines hochlegierten Stahlgusswerkstoffes mit feiner Kornstruktur. A method for producing a high-alloy cast steel material with fine grain structure. |
| 03/30/2005 | EP1517857A1 A calcium-silicate based slag for treatment of molten silicon |
| 03/30/2005 | CN2689151Y Copper cooling device for oxygen gun on wall |
| 03/30/2005 | CN2688721Y Low-thermal stress devulcanizing spraying gun |
| 03/30/2005 | CN1600885A Method for manufacturing continuous casting low carbon steel containing boron in small square billets |
| 03/30/2005 | CN1600872A Dephosphorising agent for converter and preparation method |
| 03/30/2005 | CN1600871A Method for adding nano titanium remover in molten bearing steel |
| 03/29/2005 | US6872344 Gas blowing plug and manufacturing method therefor |
| 03/24/2005 | WO2005026396A1 Method for the production of a high-alloy cast steel material having a fine grain structure |
| 03/24/2005 | WO2004111281A3 Compact micro-porous media device degassing molten metal |
| 03/24/2005 | US20050064190 Composition of matter tailoring: system I |
| 03/23/2005 | CN1598002A Vacuum steel-melting furnace |
| 03/23/2005 | CN1598001A Compound dooxidizing agent and its production process |
| 03/23/2005 | CN1597998A Process for producing steel containing alumium low carbon low ilicon by small square blank continuous caster |
| 03/23/2005 | CN1597997A Grading using method for slag of steel-melting furnace |
| 03/23/2005 | CN1194108C Rare earth addition quantity optimization and control method of rare earth weather resistant steel |
| 03/23/2005 | CN1194107C High-performance refining agent |
| 03/23/2005 | CN1194106C Arburetant integrating metal with arbon and its preparing process |
| 03/17/2005 | US20050056120 And lime, alumina and dolomite; purification of iron alloys |
| 03/16/2005 | EP1514947A1 Fabrication of a high-strength steel article with inclusion control during melting |
| 03/16/2005 | CN1596316A Method of manufacturing low phosphorous hot metal |
| 03/15/2005 | US6866696 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 |
| 03/15/2005 | CA2340690C Method for refining molten steel and apparatus therefor |
| 03/10/2005 | US20050053892 Refractory for furnace and furnace and method for surface treating furnace wall |
| 03/09/2005 | EP1511871A1 Refining ferroalloys |
| 03/03/2005 | WO2005019482A1 Refractory composition for constructing dome portion of fluidized bed reduction furnace for reduction of iron ore |
| 02/24/2005 | WO2005017233A2 Insulated cold hearth for refinning metals having improved thermal efficiency |
| 02/24/2005 | WO2005017212A1 Refractory composition for constructing structure in fluidized bed reduction furnace for reduction of iron ore |
| 02/23/2005 | EP1507876A2 Metallurgical treatment method on a metal bath |
| 02/23/2005 | CN2680679Y Spray gun for desulfurization |
| 02/23/2005 | CN1584060A High-calcium refining softening agent for oxygen spray powder iron & steel |
| 02/23/2005 | CN1190507C Composite ball rolls of manganese |
| 02/17/2005 | WO2005014872A1 Duplex stainless steel and method for production thereof |
| 02/16/2005 | CN1580587A Method for making magnet-free stainless steel through screw stem |
| 02/16/2005 | CN1580293A Multifunctional steel-iron crystal grain thining oxygen-inhibiting covering agent |
| 02/16/2005 | CN1580292A Light composite steelmaking protective agent (slag) |
| 02/16/2005 | CN1189576C Al-Ca-Fe alloy for final deoxidisation of molten steel and its preparation |
| 02/08/2005 | CA2137102C Method of making high nitrogen content steel |
| 02/03/2005 | US20050023737 Ladle |
| 02/02/2005 | CN1572889A Combined steel and iron making equipment |
| 02/01/2005 | US6849228 Blowing lance nozzle |
| 02/01/2005 | CA2157197C Process for the continuous refining of metal and a facility for carrying out said process |
| 01/26/2005 | CN1570154A Aluminium calcium manganese titanium iron alloy for steel-smelting deoxygenation and alloying |
| 01/26/2005 | CN1186465C Aluminium slag ball and its preparation method |
| 01/26/2005 | CN1186464C Production method of small square billet continuous casting bearing steel |
| 01/20/2005 | US20050012251 Ladle nozzle for use with molten metals |
| 01/20/2005 | US20050011309 Agglomerated quicklime or dolomitic quicklime compositions for electric arc furnace steelmaking |
| 01/19/2005 | EP1498499A1 An agent for desulfurization of metal melts |
| 01/19/2005 | CN2672079Y Fishbone type desulfurizing spray gun |
| 01/19/2005 | CN1566373A Composite desulfurizing agent for iron and steel and its preparing process |
| 01/19/2005 | CN1566372A Low-fluorine composite high activity calcium oxide desulfurizer and its preparing process |
| 01/19/2005 | CN1566370A Method for producing continuous casting carbon welding steel rod |
| 01/19/2005 | CN1185056C Production process of mother material for cold rolled ribbed steel bar and cold rolled ribbed steel bar |
| 01/18/2005 | US6843828 Method for treating slags or slag mixtures on an iron bath |
| 01/18/2005 | US6843826 Introducing the cast metal in liquid form into a metallurgic ladle; filling the ladle until a guard height is reached, treating the metal while bringing the atmosphere above the ladle under vacuum, stirring the metal by injecting helium |
| 01/12/2005 | EP1373584B1 Vacuum chamber, notably for steel decarburisation |
| 01/12/2005 | EP1218551B1 Method of introducing additives in steelmaking |
| 01/12/2005 | CN1563468A Manufacturing method of cold forming high intensity steel for welded structure |
| 01/12/2005 | CN1563462A Method for smelting high nitrogen steel |
| 01/12/2005 | CN1184335C Si-Ba-Ca-Mn-Fe alloy for steel-smelting deoxidation and alloying |
| 01/11/2005 | US6841123 Rust-resistant calcium steel |
| 01/11/2005 | CA2232219C Lance/burner for molten metal furnace |
| 01/06/2005 | WO2005001146A2 Method for conditioning slags and dust |
| 01/06/2005 | WO2005000501A1 Brick body for rotary nozzle |
| 01/05/2005 | EP1493830A1 Smelt reduction method for processing slags and dusts from stainless steelmaking |
| 01/05/2005 | EP1492893A1 Method and installation for producing stainless steel, especially high-quality steel containing chromium or nickel chromium |
| 01/05/2005 | DE10237151B4 Verfahren zum Vergießen einer Stahlschmelze A method of casting a molten steel |
| 01/05/2005 | CN2668241Y Spiral mechanical agitation equipment for iron melt |
| 01/05/2005 | CN1183262C Silicon barium calcium magnesium iron alloy used ofr steelmaking deoxygenation |
| 01/04/2005 | US6838048 Steel for machine structural use and method of producing same |
| 01/04/2005 | US6837916 Smelting reduction method |
| 12/30/2004 | US20040261915 Molten steel is covered with basic slag and strongly deoxidized with silicon alloy |
| 12/29/2004 | EP1491646A1 Cast piece and sheet of ferritic stainless steel, and method for production thereof |
| 12/29/2004 | EP1490523A1 Methods employing permanent magnets having reach-out magnet ic fields for electromagnetically pumping, breaking, and metering molten metal casting machines |
| 12/29/2004 | EP1490522A1 Method for treating alloyed carbonic iron smelts used for the production of steel |
| 12/29/2004 | CN1558804A Cast iron member manufacturing method |
| 12/29/2004 | CN1557975A Method for replacing hot metal pretreatment stirring block using manipulator and special purpose apparatus therefor |
| 12/29/2004 | CN1182260C Oxidizing agent used for producing microaluminium micro carbonrundum iron |
| 12/23/2004 | WO2004111281A2 Compact micro-porous media device degassing molten metal |
| 12/23/2004 | WO2004111277A1 Steel product reduced in alumina cluster |
| 12/23/2004 | WO2004111276A1 Tuyere device for introducing gaseous media under a liquid-metal layer |
| 12/23/2004 | DE10325955A1 Verfahren und Anlage zum Erzeugen von Stahlprodukten mit bester Oberflächenqualität Method and apparatus for producing steel products with outstanding surface quality |
| 12/22/2004 | CN1556865A Method and device for refining molten chromium-containing steel |
| 12/22/2004 | CN1556227A Vacuum oxygen blowing decarbon refining furnace smelting stainless steel high carbon region denitrogen method |
| 12/22/2004 | CN1181211C Vacuum deaeration refining process and equipment |
| 12/21/2004 | CA2355482C Machine structure steel superior in chip disposability and mechanical properties |
| 12/16/2004 | WO2004108971A2 Method and installation for the production of steel products having an optimum surface quality |
| 12/16/2004 | US20040250650 Composition of matter tailoring: system I |