| Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430) |
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| 09/25/2002 | EP1036205B1 Method and oxygen lance for injecting gases into a metallurgical tank |
| 09/24/2002 | US6454829 And subsequent casting of the degassed metal, vacuum, copper |
| 09/19/2002 | DE10202417A1 Verfahren zur Herstellung eines verbesserten Beschickungsmaterials zur Verwendung in metallurgischen Verfahren A process for preparing an improved feed material for use in metallurgical processes |
| 09/18/2002 | CN1091160C Ultra-low-C low-P MnFe alloy |
| 09/17/2002 | US6451087 Method for producing mother alloys for iron-based amorphous alloys |
| 09/12/2002 | US20020127131 Austenitic stainless steel less susceptible to cracking during forming and a manufacturing method thereof |
| 09/11/2002 | CN1368558A Method for pig iron melt dephosphorize |
| 09/04/2002 | CN1367268A Method for preparing iron-nickel alloy strip |
| 09/04/2002 | CN1090241C 简易钢包精炼方法 Easy ladle refining method |
| 09/04/2002 | CN1090240C Process for preparing intermediates for synthesis of antifungal agents |
| 08/28/2002 | EP1234061A1 Apparatus and process to extract heat and to solidify molten material particles |
| 08/27/2002 | US6440356 Apparatus for injecting gas into a vessel |
| 08/22/2002 | US20020112567 Smelting reduction method |
| 08/21/2002 | CN1365307A Purge plug |
| 08/21/2002 | CN1364944A Austenite stainless steel wire low cracking sensitivity during forming and its preparing method |
| 08/14/2002 | EP1231445A1 Through-hole sealing device |
| 08/14/2002 | EP1230404A1 Method and use of calcium nitrate for foaming of steel-making slags |
| 08/14/2002 | CN2505486Y Long-lived desulfurizing spray gun for flat iron reinforcing plate |
| 08/14/2002 | CN1363692A Composite Si-Ca-Ba-Mg deoxidizing agent and its preparing process |
| 08/14/2002 | CN1363691A Refining agent for stainless steel |
| 08/13/2002 | US6432165 Method for injecting gases into a metallurgical tank |
| 08/13/2002 | US6432164 Method for refining molten steel and apparatus therefor |
| 08/13/2002 | US6432163 Metal refining method using differing refining oxygen sequence |
| 08/08/2002 | WO2001094648A3 High-cleanliness steel and process for producing the same |
| 08/07/2002 | EP1228825A1 Process and device for the flow control of a casting admixture to a molten metal |
| 08/06/2002 | US6428598 Additive composition for use in special steel making |
| 07/30/2002 | CA2181037C Gas treatment of molten metals |
| 07/25/2002 | US20020096232 Specified number of non-metallic inclusions; low pin hole defects or press cracks originating at inclusions; use in electric motor housings or oil filter housing |
| 07/25/2002 | US20020096017 Method for producing an improved charging stock for use in metallurgical processes |
| 07/24/2002 | EP1224338A1 A process and apparatus for the removal of a contaminant from slag |
| 07/24/2002 | EP0799899B1 Chromium ore smelting reduction process |
| 07/24/2002 | CN2501885Y Long service life desulfurizing spray gun |
| 07/24/2002 | CN2501884Y Rare-earth metal wire core-spun yarn |
| 07/24/2002 | CN1360639A Ladle refining device and ladle refining method using it |
| 07/24/2002 | CA2354901A1 Process for manufacturing a fe-ni alloy strip |
| 07/17/2002 | CN1358878A Ultralow carbon steel and making method |
| 07/10/2002 | EP1221494A1 An austenitic stainless steel less crack-sensitive during forming and a manufacturing method thereof |
| 07/10/2002 | CN1087355C Steel wire material |
| 07/04/2002 | DE10132575C1 Refractory outlet used in the wall of a metallurgical vessel for steel melts has electrodes made from metal having a high melting point and/or formed from one of its oxides |
| 07/03/2002 | EP1218551A1 Method of introducing additives in steelmaking |
| 07/03/2002 | EP0784193B1 Metal fusion furnace and metal fusing method |
| 07/03/2002 | CN1357055A Method for receiving metallic chromium from slag contg. chromium oxide |
| 07/03/2002 | CN1087035C Method for pretreating molten iron inshallow smelting bath by blowing Mg-base desulfurizing agent |
| 07/03/2002 | CN1087034C Method and appts. for desulfurizing molten steel in enclosed ladle by spraying powder |
| 07/02/2002 | US6413469 Method and installation for ladle treatment of steel |
| 07/02/2002 | CA2087179C Method for decarburizing steel in a vacuum chamber and vacuum chamber for implementing the method |
| 06/25/2002 | US6409962 Powder injector for ladle |
| 06/20/2002 | WO2002048417A1 STEEL PLATE TO BE PRECIPITATING TiN + ZrN FOR WELDED STRUCTURES, METHOD FOR MANUFACTURING THE SAME AND WELDING FABRIC USING THE SAME |
| 06/20/2002 | WO2002048409A1 Process for producing high-nitrogen ultralow-carbon steel |
| 06/20/2002 | DE10065914A1 Filling wire used in metallurgy consists of a metallic casing and an active ingredient made from cylindrical segments |
| 06/19/2002 | EP1215288A1 Ladle refining device and ladle refining method using it |
| 06/19/2002 | EP1214162A1 Purge plug |
| 06/19/2002 | CN1354264A Silicon-calcium-magnesium compound deoxidant |
| 06/13/2002 | US20020070488 Method and appartus for efficient utilization of a cryogen for inert cover in metals melting furnaces |
| 06/12/2002 | EP1080236B1 Variably insertable combined lance with displaceable burner and blower lance bodies |
| 06/12/2002 | CN1353770A Discharge channel for melting furnaces and pouring ladles |
| 06/04/2002 | US6398842 Apparatus for injecting solid particulate material into a vessel |
| 05/30/2002 | WO2002042501A2 Metal jacket for aluminium ingot which is used as deoxidising agent for steel |
| 05/30/2002 | WO2001092585A3 Method and apparatus for treatment of metal cascades in flame and gas |
| 05/29/2002 | EP1105234B1 Method and device for the continuous degassing of molten metals |
| 05/28/2002 | US6395058 Magnesium particles are injected into a ferrous alloy by a lance to alloy desired amount of magensium in the ferro alloy, the melting of the magnesium in the transport pipe is inhibited by mixing it with high temperature melting particle |
| 05/23/2002 | WO2002040731A1 STEEL PLATE TO BE PRECIPITATING TiN+CuS FOR WELDED STRUCTURES, METHOD FOR MANUFACTURING THE SAME, WELDING FABRIC USING THE SAME |
| 05/23/2002 | WO2001073139A3 Compositions and two-stage methods for the deoxidation of molten steel |
| 05/22/2002 | EP0921201B1 Reduced pressure smelting furnace |
| 05/22/2002 | CN1350594A Method of decarburisation and dephosphorisation of a molten metal |
| 05/21/2002 | US6391086 Self reducing agglomerate for use in refining, forming molten iron from iron oxide, reductant, slags from steel production and fluxing |
| 05/15/2002 | CN1348996A Production process and equipment for Si-Ca-Mg agent for purifying molten steel |
| 05/15/2002 | CN1348995A Composite molten steel refining additive |
| 05/15/2002 | CN1084793C Method for introducing denitrogenizing flue into molten metal and the product and denitrogenizing method |
| 05/09/2002 | US20020053258 Cored wire for treating molten metal and method of manufacture and use thereof |
| 05/08/2002 | EP0968312B1 Method for feeding granular solids into metal melts |
| 05/08/2002 | CN1348014A Si-Ca-Mg-Al alloy for final deoxygenation of molten steel and its prepn |
| 05/07/2002 | US6383253 Adding additives and reducing agents |
| 05/07/2002 | US6383250 Steel making revert and process for preparing |
| 05/07/2002 | US6383249 Magnesium desulfurization agent |
| 05/02/2002 | EP0752478B1 Method of refining molten metal |
| 05/01/2002 | CN1346894A Composite deoxidizing alloy for smelting steel |
| 05/01/2002 | CN1083897C Ferrite- and calcium -based flux, mixture for its production, and use thereof |
| 05/01/2002 | CN1083892C Method for producing slag forming agent for steelmaking using convertor sludge as raw material |
| 05/01/2002 | CN1083891C Si-Ba-Mg-Fe alloy for deoxidizing in smelting steel |
| 04/30/2002 | US6379425 Method of desulfurizing molten iron |
| 04/30/2002 | US6379424 Direct smelting apparatus and process |
| 04/30/2002 | US6379415 Particles for forming metals |
| 04/25/2002 | WO2002033139A1 Grain-refined austenitic manganese steel casting having microadditions of vanadium and titanium and method of manufacturing |
| 04/25/2002 | WO2002033130A1 Method for producing stainless steels, in particular high-grade steels containing chromium and chromium-nickel |
| 04/25/2002 | US20020048529 Grain-refined austenitic manganese steel casting having microadditions of vanandium and titanium and method of manufacturing |
| 04/25/2002 | DE10115779A1 Production of stainless steels, especially steels containing chromium and chromium-nickel comprises heating slag, reducing the slag during melting with silicon and carbon |
| 04/23/2002 | US6375711 Steelmaking using magnesium carbonate |
| 04/18/2002 | WO2002031212A1 Process for the metallurgical treatment of molten steel in a converter with oxygen top blown |
| 04/18/2002 | US20020044879 Machine structure steel superior in chip disposability and mechanical properties |
| 04/18/2002 | CA2388397A1 Process for the metallurgical treatment of molten steel in a converter with oxygen top blown onto the molten steel and an oxygen blowing lance |
| 04/17/2002 | EP1196642A1 Method for controlling and adjusting the concentration of a gas component in a melt and a device for carrying out the same |
| 04/17/2002 | CN1344816A Cutting structural steel with machinability and fine mechanical performance |
| 04/16/2002 | US6372014 Magnesium injection agent for ferrous metal |
| 04/16/2002 | US6372013 Carrier material and desulfurization agent for desulfurizing iron |
| 04/11/2002 | WO2001088208A3 Carrier material and desulfurization agent for desulfurizing iron |
| 04/10/2002 | EP1195444A2 Method for conversion of steel bands into dosable bulk material for addition in a steel production process, and means therefor |
| 04/10/2002 | EP1194597A1 Method for recovering metallic chromium from slag containing chromium oxide |
| 04/10/2002 | EP1194255A1 Treatment for improving the castability of aluminium killed continuously cast steel |
| 04/10/2002 | CN1343793A Slag decomposing agent for smelting steel |