| Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430) |
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| 07/03/2001 | US6255983 Degasser guide |
| 06/28/2001 | WO2001046481A2 Thermodestruction and inertisation of halogenated wasted in a metallurgical reactor |
| 06/27/2001 | EP1111073A1 Refining method and refining apparatus of molten steel |
| 06/27/2001 | CN1067727C Aluminium-dregs feeding method for iron steel metallurgy |
| 06/27/2001 | CN1067612C Mould pressing powder for continuous casting and continuous casting method |
| 06/26/2001 | US6251169 Method for vacuum/reduced-pressure refining and facility for vacuum/reduced-pressure refining |
| 06/26/2001 | US6251158 Contacting discrete droplets while still substantially molten with a fluidized bed of particles maintained below the solidus temperature of the metal and freezing the droplets as discrete granules of the reactive metal in the fluidized bed. |
| 06/20/2001 | EP1108071A1 Method for producing a metal melt and corresponding multfunction lance |
| 06/20/2001 | CN1299881A Composite deoxidant for Si-Ba-Ca-Fe alloy and its preparation |
| 06/20/2001 | CN1299880A Aluminium-free deoxidant for steel smelting |
| 06/20/2001 | CN1299879A Direct-fusing apparatus and method |
| 06/20/2001 | CN1067438C Method and devie for decarburizing molten steel |
| 06/14/2001 | WO2001042517A1 Method for producing injection wire |
| 06/13/2001 | EP1105748A1 Measuring the thickness of materials |
| 06/13/2001 | EP1105234A1 Method and device for the continuous degassing of molten metals |
| 06/13/2001 | DE19860893C1 Desulfurizing and removing nitrogen from steel melts comprises partially mixing a melt in a pan with a desulfurizing agent, feeding into a vacuum vessel to remove nitrogen, returning to pan and treating with desulfurizing agent |
| 06/07/2001 | WO2001040523A1 Apparatus and process to extract heat and to solidify molten material particles |
| 06/07/2001 | DE10044678C1 Apparatus for continuously decarburizing and refining pig iron to fine steel comprises RH-OB reactors arranged in a row over a covered channel for complete decarburizing and refining |
| 06/06/2001 | CN1298028A Cooling and fluxing agent for steel smelting in converter |
| 06/06/2001 | CN1066775C Vacuum refining method for molten steel |
| 06/06/2001 | CN1066774C Process for vacuum refining molten steel and apparatus therefor |
| 06/05/2001 | US6241510 System for providing proximate turbulent and coherent gas jets |
| 05/30/2001 | CN2432220Y Soid electrolyte short-circuit deoxidation equipment |
| 05/30/2001 | CN2432219Y Multifunctional multiple blowing single nozzle refining furnace |
| 05/29/2001 | US6238453 Producing stainless steels in parallel operated vessels |
| 05/25/2001 | WO2001036891A2 Method for operation of a smelting furnace |
| 05/23/2001 | DE19954556A1 Verfahren zum Betreiben eines Schmelzofens A method of operating a melting furnace |
| 05/22/2001 | US6235084 Vacuum treatment, filling with steel melt, pressure adjustment and replenishing oxygen |
| 05/10/2001 | DE19948187A1 Process for decarburizing a steel melt in a converter comprises monitoring the temperature in the lance head of the blowing lance using a temperature sensor integrated in the lance head and regulating |
| 05/09/2001 | CN1294200A Technology for pretreating molten iron inshallow smelting bath by blowing Mg-base desulfurizing agent |
| 05/09/2001 | CN1294199A Technology for desulfurizing molten steel in enclosed ladle by spraying powder |
| 05/03/2001 | WO2001031073A1 A process and apparatus for the removal of a contaminant from slag |
| 05/03/2001 | CA2388458A1 A process and apparatus for the removal of a contaminant from slag |
| 05/02/2001 | CN1293258A Durable fluidized active lime powder agent and its preparing process |
| 05/02/2001 | CN1065281C Carbon-free molten steel holding agent and its production method |
| 05/01/2001 | CA2046928C Manufacture of ferroalloys using a molten bath reactor |
| 04/26/2001 | WO2001029271A1 Method and use of calcium nitrate for foaming of steel-making slags |
| 04/26/2001 | CA2387597A1 Method and use of calcium nitrate for foaming of steel-making slags |
| 04/25/2001 | EP1094043A1 Method for treating stainless steel refining slag |
| 04/25/2001 | CN1064999C Method for producing stainless steel in parallel operated vessels |
| 04/25/2001 | CN1064998C Nozzle with welded lance head for agitation of bath |
| 04/24/2001 | CA2200961C Process and apparatus for the manufacture of steel from iron carbide |
| 04/19/2001 | WO2001027342A1 Steel for welded structure purpose exhibiting no dependence of haz toughness on heat input and method for producing the same |
| 04/18/2001 | EP1092785A1 Coherent jet lancing system for gas and powder delivery |
| 04/18/2001 | CN1291528A Transmission system of gas and powder |
| 04/18/2001 | CN1064714C Method for reforming slags system of smelting steel with low-simolten iron or semisteel by using slag inclusion of converter as slag modifier |
| 04/11/2001 | EP1091005A2 Rust-resistant calcium steel |
| 04/11/2001 | CN1290764A Oxide dispersed steel and its producing method |
| 04/11/2001 | CN1290757A High efficiency dephosphorating pellet for smelting and its preparing method |
| 04/10/2001 | CA2201364C Vacuum refining method for molten steel |
| 04/05/2001 | WO2001023623A1 Degassing of molten metal |
| 04/04/2001 | EP1088112A1 Water-cooled vessel for vacuum processing of liquid steel |
| 04/04/2001 | EP0707080B1 Method of manufacturing low carbon molten steel by vacuum degasification and decarbonization |
| 04/04/2001 | CN1064089C High plastic and high tough rareearth alloy and wires or rods made therefrom |
| 04/04/2001 | CN1064085C Agent for refining and heat-insulating of molten steel surface and its preparation process |
| 03/28/2001 | EP1087025A1 Wire feed unit |
| 03/28/2001 | EP1086254A1 Method for integrated desulfurizing of pig iron melt and steel melt |
| 03/28/2001 | CN1288970A Molten iron treating agent and its application |
| 03/28/2001 | CN1288969A Special nodulizer for nodular cast iron and its production process |
| 03/28/2001 | CN1288962A Steel-smelting clinker coagulation and disintegration preventive and its preparation and application |
| 03/24/2001 | CA2299192A1 Wire feed unit |
| 03/22/2001 | WO2001020047A1 Method of introducing additives in steelmaking |
| 03/22/2001 | CA2385386A1 Method of introducing additives in steelmaking |
| 03/21/2001 | CN1288067A Rare earth alloy additives contg. Al, Ba, Ca and Mg for iron based Ni based alloy |
| 03/21/2001 | CN1063493C Process for decarbonising high-chromium steel melt |
| 03/20/2001 | CA2146356C Steel containing super-finely dispersed oxide system inclusions |
| 03/14/2001 | EP0866739B1 Nozzle assembly having inert gas distributor |
| 03/14/2001 | EP0680521B1 Ferrous metal alloys, in particular for casting rolling mill rolls |
| 03/14/2001 | CN1287544A Unburned carbon-containing refractory material and vessel for molten metal |
| 03/08/2001 | DE19916235C2 Fülldraht zur Behandlung von Schmelzen mittels Drahtinjektion Cored wire for the treatment of melts by wire injection |
| 03/08/2001 | DE19916234C2 Fülldraht zur Behandlung von Schmelzen mittels Drahtinjektion Cored wire for the treatment of melts by wire injection |
| 03/07/2001 | EP1081240A1 Stirrer equipment for the continuous treatment of liquid metals |
| 03/07/2001 | EP1080236A1 Variably insertable combined lance with displaceable burner and blower lance bodies |
| 03/07/2001 | CN1286312A Slag modifier for refining molten steel |
| 03/07/2001 | CN1062915C Non-heat treated steel strap for coiled stock strapping machine and its producing method |
| 02/21/2001 | EP1077266A2 Gas blowing plug and manufacturing method therefor |
| 02/21/2001 | CN1062313C Heat-insulation multen steel heat-insulating agent |
| 02/20/2001 | US6190435 Method of vacuum decarburization/refining of molten steel |
| 02/14/2001 | CN1062026C Rare-earth-al-Mn alloy |
| 02/14/2001 | CN1062020C Fine smelting tech for molten steel |
| 02/14/2001 | CN1062019C Desulfurizing slag modifier |
| 02/08/2001 | WO2001008834A1 Purge plug |
| 02/08/2001 | DE19936227A1 Molten steel is vacuum degassed during continuous casting by passage through a vacuum chamber located in a tundish |
| 02/07/2001 | CN1283222A Refining method of molten iron and reduction smelting method for producing molten iron |
| 02/07/2001 | CN1282797A Liquid-state mixing process for preparing si-Al-Ba iron |
| 02/01/2001 | WO2001007666A1 Process for innocuating an element in steel |
| 02/01/2001 | WO2000061823B1 Method and device for tapping molten metal from metallurgical vessels |
| 01/31/2001 | CN1061381C Method for refining high purity steel |
| 01/30/2001 | US6179895 Basic tundish flux composition for steelmaking processes |
| 01/18/2001 | WO2001004364A1 Device and method for treating molten metal with calcium |
| 01/17/2001 | EP1068364A1 Method for alloying steels and device for carrying out the method |
| 01/17/2001 | CN1280630A Method for oxygen lance for injecting gases into a metallurgical tank |
| 01/17/2001 | CN1280201A Cold setting slag making agent |
| 01/16/2001 | USRE37014 Combined installation of a metal production unit and a unit for the separation of air gas |
| 01/16/2001 | US6174347 Basic tundish flux composition for steelmaking processes |
| 01/16/2001 | CA2151675C Method of manufacturing steel containing ca |
| 01/10/2001 | EP1067202A2 Method of desulfurizing molten iron alloy |
| 01/10/2001 | EP0877823B1 Producing stainless steels in parallel operated vessels |
| 01/10/2001 | CN1279295A Desulfurizing agent for iron or steel and its preparing process |
| 01/10/2001 | CN1279294A Deslphurizing method for smelting iron alloy |