| Patents for C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel (14,381) |
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| 03/29/2001 | CA2388582A1 Method and device for introducing bulk material into a metallurgical vessel |
| 03/28/2001 | EP1087024A1 A method and equipment for slag foaming |
| 03/28/2001 | EP1087022A1 A direct smelting process |
| 03/28/2001 | CN1063693C Sliding gate valve for vessel containing molten metal |
| 03/22/2001 | WO2001020048A1 High temperature modification of steelmaking slag to provide construction material |
| 03/22/2001 | WO2001020046A1 High temperature premelting apparatus |
| 03/22/2001 | DE19923800C1 Verfahren und Vorrichtung zum Halten und Abstechen von Metallschmelzen Method and apparatus for holding and tapping of molten metals |
| 03/21/2001 | EP1021574A4 Apparatus and method for stirring molten metal using electromagnetic field |
| 03/21/2001 | CN1288486A Method and device to feed premixed gas to tugeres of electric arc furnaces |
| 03/21/2001 | CN1288065A Pressure control |
| 03/21/2001 | CN1063493C Process for decarbonising high-chromium steel melt |
| 03/20/2001 | CA2075484C Process and installation for renewing the refractory lining of foundry ladles |
| 03/14/2001 | EP1082467A1 Method for operating an electric arc furnace to build up and maintain foamed slag |
| 03/14/2001 | CN1287544A Unburned carbon-containing refractory material and vessel for molten metal |
| 03/14/2001 | CN1287180A Converter slag scavenger |
| 03/13/2001 | US6201826 Loading system for electric arc furnaces |
| 03/13/2001 | US6199836 Monolithic ceramic gas diffuser for injecting gas into a molten metal bath |
| 03/07/2001 | EP1080236A1 Variably insertable combined lance with displaceable burner and blower lance bodies |
| 03/07/2001 | CN1062912C Apparatus and method for burning and melting fine particles contg. carbon |
| 03/06/2001 | US6197086 Tapping basic oxygen furnace converter so that tap stream of molten metal flows into ladle, tapping being performed by tilting; infrared imaging, analysis of tilt angle stopping tapping when there is preselected amount of slag in stream |
| 02/21/2001 | EP1077266A2 Gas blowing plug and manufacturing method therefor |
| 02/21/2001 | CN1284570A Modified iron for electric furnace steel smelting and its smelting process |
| 02/21/2001 | CN1284569A Modified iron for electric furnace steel smelting and its usage in smelting steel |
| 02/20/2001 | US6190434 Such a device can point out possible nitrogen pick-up in real-time, thus permitting to immediately intervene. |
| 02/14/2001 | EP1076102A2 Pressure control in direct melting process |
| 02/14/2001 | CN2419211Y Multi-pore oxygen lance nozzle |
| 02/13/2001 | US6186081 Process and apparatus for treating waste and sewage sludge |
| 02/13/2001 | CA2038270C Charge melting and refining method |
| 02/08/2001 | WO2001008834A1 Purge plug |
| 02/07/2001 | EP1073773A1 An improved process for making steel |
| 02/07/2001 | CN2418131Y Antidrop device for oxygenating lance of convertor |
| 02/07/2001 | CN2417932Y Central water-cooling oxygen-gun nozzle for constant jet-flow casting |
| 02/07/2001 | CN1283222A Refining method of molten iron and reduction smelting method for producing molten iron |
| 02/07/2001 | CN1061758C Temp detecting sensor |
| 02/07/2001 | CN1061691C Double-cylinder arc furnace and operation method thereof |
| 02/01/2001 | WO2000061823B1 Method and device for tapping molten metal from metallurgical vessels |
| 01/31/2001 | EP0766750B1 Process and plant for recycling iron-containing residues from the steel and iron industry |
| 01/31/2001 | CN1282379A Converter installation |
| 01/25/2001 | WO2001006021A1 Melting plant with burner heated furnace vessel and charge preheater |
| 01/24/2001 | CN1061099C Method for operating shaft furnace |
| 01/23/2001 | US6176894 High velocity gas streams |
| 01/18/2001 | WO2001004559A1 Equipment and method for arc melting of cold pig iron source |
| 01/17/2001 | EP1069191A1 Tapping apparatus and method |
| 01/17/2001 | CN1280630A Method for oxygen lance for injecting gases into a metallurgical tank |
| 01/17/2001 | CN1280629A Feeding device for shaft furnace |
| 01/17/2001 | CN1280628A Method for reducing iron oxides and smelting iron and installations thereof |
| 01/17/2001 | CN1280201A Cold setting slag making agent |
| 01/17/2001 | CN1280199A Start method for directly smelting technology |
| 01/16/2001 | US6175676 Fiber optic sensor and method of use thereof to determine carbon content of molten steel contained in a basic oxygen furnace |
| 01/10/2001 | EP1067201A2 Start-up procedure for direct smelting process |
| 01/10/2001 | EP0877823B1 Producing stainless steels in parallel operated vessels |
| 01/10/2001 | CN1279726A Smelting furnace |
| 01/10/2001 | CN1279293A Method and apparatus for electric steel production having continuously preheating, smelting, refining and casting processes |
| 01/10/2001 | CN1060525C Method for producing refining flux in steel making and use |
| 01/09/2001 | US6171545 Lance holder with multiple function gripping head |
| 01/09/2001 | US6171544 Multiple coherent jet lance |
| 01/09/2001 | CA2195922C Briquette as an additive for metallurgic purposes comprising silicon-containing residues, and process for its production |
| 01/04/2001 | WO2001001057A1 Multichambered steelmaking apparatus and method of steelmaking |
| 01/04/2001 | WO2001000886A1 Method for optimising the operating conditions of a smothered arc furnace |
| 01/03/2001 | CN1278871A Direct-reduction method for production of iron, molten, cast iron and steel |
| 12/28/2000 | WO2000079014A1 Method for recovering metallic chromium from slag containing chromium oxide |
| 12/28/2000 | WO2000079012A1 Method for producing melt iron |
| 12/27/2000 | EP1062370A1 Blasting lance with a gas/liquid mixing chamber and a method for the expansion cooling thereof |
| 12/27/2000 | CN1278010A Direct smelting method and equipment |
| 12/26/2000 | US6166681 Measuring the thickness of materials |
| 12/21/2000 | WO2000077467A1 Through-hole sealing device |
| 12/21/2000 | DE19928195A1 Konverter Converter |
| 12/21/2000 | CA2374750A1 Through-hole sealing device |
| 12/20/2000 | EP1061138A2 Converter |
| 12/20/2000 | EP1060275A1 Device for preheating charging stock, comprising replaceable stack wall sections |
| 12/19/2000 | US6163561 Cooled basket for steel plants |
| 12/19/2000 | US6162387 Vacuum refining furnace |
| 12/19/2000 | US6162274 Steel production method |
| 12/14/2000 | WO2000075614A1 Measuring system for determining the physical quantity of a hot liquid |
| 12/14/2000 | WO2000075439A2 Method of producing foamed slag |
| 12/14/2000 | WO2000075380A1 Discharge channel for melting furnaces and pouring ladles |
| 12/14/2000 | CA2376066A1 Discharge channel for melting furnaces and pouring ladles |
| 12/14/2000 | CA2370397A1 Method of producing foamed slag |
| 12/13/2000 | CN2410302Y Slag bridge throwing device |
| 12/13/2000 | CN1276862A Structure of metallurgical furnace and operating method using same metallurgical furnace |
| 12/13/2000 | CN1059471C Loading device for feeding electric furnace |
| 12/13/2000 | CN1059470C Converter top-blow refining method having excellent decarburization characteristics and top-blow lance for converter |
| 12/13/2000 | CN1059469C Cold pressing iron scale pellet cooling,slag melting agent and making method thereof |
| 12/07/2000 | WO2000073765A1 Device for removing slag samples |
| 12/07/2000 | WO2000073515A1 Method for producing liquid metal from pre-reduced particles and smelting device coupled to a heat treatment furnace by a particle transfer device |
| 12/07/2000 | WO2000073000A1 Padding sand for sliding opening/closing unit of ladle |
| 12/07/2000 | WO2000072999A1 Method and device for thermally repairing an outlet of a metallurgical vessel |
| 12/07/2000 | DE19925685A1 Anordnung zur Bestimmung einer physikalischen Größe und/oder zur chemischen Analyse Arrangement for determining the physical quantity and / or for chemical analysis |
| 12/07/2000 | DE19925598A1 Abstichkanal für Schmelzöfen und Gießpfannen Tapping channel for furnaces and ladles |
| 12/07/2000 | DE19925144A1 Verfahren zur Herstellung von Schaumschlacke A process for producing foamed slag |
| 12/07/2000 | DE19925038A1 Verfahren und Vorrichtung zum Heissreparieren eines Auslaufes eines insbesondere metallurigschen Gefässes Method and apparatus for Heissreparieren a spout of a particular metal rule quaint vessel |
| 12/06/2000 | CN2409419Y Double-runner composite spray gun for electric furnace |
| 12/06/2000 | CN2409214Y Converter oxygen lance with coating |
| 12/05/2000 | US6157665 Method to load scrap for electric arc furnace and relative system |
| 12/05/2000 | US6157664 System to load pre-heated scrap by means of baskets for electric arc furnace |
| 12/05/2000 | US6156261 Method and device for positioning the mouth of a consumable lance |
| 12/05/2000 | US6156174 Immersion sensor for measuring an electrochemical activity |
| 12/05/2000 | US6155333 Continuous electric steelmaking with charge preheating, melting, refining and casting |
| 11/30/2000 | WO2000071953A1 Method and device for holding and tapping molten metals |
| 11/30/2000 | WO2000071761A1 Electromagnetic braking process in the outlet channel of a furnace |