| 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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| 05/13/2003 | US6562287 Blasting lance with a gas/liquid mixing chamber and a method for the expansion cooling thereof |
| 05/13/2003 | US6562285 Method and apparatus for detecting slag carryover |
| 05/13/2003 | US6562101 Processing electric arc furnace dust through a basic oxygen furnace |
| 05/13/2003 | US6562096 Management of electric arc furnace dust through a basic oxygen furnace |
| 05/13/2003 | US6561259 Method of melting titanium and other metals and alloys by plasma arc or electron beam |
| 05/08/2003 | US20030084821 Method for producing pozzolanic binders for the cement industry from steel slags using a reduction metal bath |
| 05/07/2003 | EP1307597A2 Desulphurization reagent control method and system |
| 05/07/2003 | CN2549012Y Dropproof brake of oxygen blaster |
| 05/07/2003 | CN1416474A Appts. for producing steel |
| 05/06/2003 | US6558614 Method for producing a metal melt and corresponding multifunction lance |
| 05/02/2003 | EP1306451A2 Method and device to determine the height of the foamed slag layer during oxygen blowing in a steel converter |
| 05/02/2003 | EP0802262B1 Converter top-blow refining method having excellent decarburization characteristics and top-blow lance for converter |
| 04/30/2003 | CN1415021A Apparatus and process to extract heat and solidify molten material particles |
| 04/30/2003 | CN1414118A Production method of small square billet continuous casting bearing steel |
| 04/30/2003 | CN1413951A Manufacture method of functional refractory for steelmaking |
| 04/29/2003 | US6555049 Steel manufacturing facility and method |
| 04/29/2003 | CA2261166C A metallurgical furnace unit |
| 04/24/2003 | WO2003034791A1 Mounting arrangement for auxiliary burner or lance |
| 04/24/2003 | WO2003033981A1 Replacement method and device for assembling and disassembling modules of an electric arc furnace |
| 04/24/2003 | US20030075843 Multi-purpose, multi-oxy-fuel, power burner/injector/oxygen lance device |
| 04/24/2003 | US20030075019 Demetallization via charging in iron bath, and reducing by feeding carbon/carriers |
| 04/24/2003 | CA2462926A1 Replacement method and device for assembling and disassembling modules of an electric arc furnace |
| 04/23/2003 | EP1304391A2 Method for producing a metal melt and corresponding multfunction lance |
| 04/23/2003 | CN2546454Y Converter antiplugging apparatus |
| 04/23/2003 | CN1413266A Device and method for controllable feeding gas to metallurgical vessel |
| 04/23/2003 | CN1412325A Oxygen melting furnace and electric arc furnace duplex process for steel making and its equipment |
| 04/22/2003 | US6553055 Charging material preheater with replaceable shaft wall portions |
| 04/22/2003 | US6551550 Gas blowing plug and manufacturing method therefor |
| 04/17/2003 | WO2003031658A1 Supplying solid feed materials for a direct smelting process |
| 04/17/2003 | US20030071399 Supplying solid feed materials for a direct smelting process |
| 04/17/2003 | US20030070507 Supplying pre-reducing iron to a stationary non-tilting type melting furnace and melting the iron by arc heating mainly comprising radiation heating |
| 04/17/2003 | DE19780281C1 Separating heavy metals from sulphide-containing residual products from mining and metal processing |
| 04/16/2003 | EP1302739A1 Apparatus and method for repairing a damaged portion in a tubular member made of refractory material |
| 04/16/2003 | EP1302552A2 Cooling a liquid steel by means of blowing nitrogen gas into the bath |
| 04/16/2003 | EP1301781A2 Method and apparatus for the assay of precious metals |
| 04/16/2003 | CN1410553A Method and device for producing molten iron |
| 04/15/2003 | US6547849 Ladle refining of steel |
| 04/15/2003 | CA2254473C Coherent jet injector lance |
| 04/11/2003 | CA2406394A1 A method of operating a steelmaking furnace during a steelmaking process |
| 04/10/2003 | WO2003029500A1 Integrated prefabrication of reinforced concrete elements including production of concrete reinforcing bars and upgrading of the slag produced |
| 04/10/2003 | WO2003029499A1 Arc furnace and method for operating this arc furnace |
| 04/10/2003 | WO2003029498A1 Method for pretreatment of molten iron and method for refining |
| 04/10/2003 | WO2003029497A1 Method for dephsophorization of molten irona |
| 04/10/2003 | US20030067087 Apparatus and method for repairing a damaged portion in a tubular member made of refractory material |
| 04/10/2003 | US20030066387 Method of melting a mixture of scrap metal using scrap rubber |
| 04/10/2003 | CA2461568A1 Arc furnace and method for operating this arc furnace |
| 04/09/2003 | EP0914478B1 A top injection lance |
| 04/09/2003 | EP0818543B1 Method for operating shaft furnace |
| 04/09/2003 | CN1409098A Melting body sampler |
| 04/08/2003 | US6544471 Method and apparatus for producing high chromium content steels and/or ferroalloys in an electric arc converter |
| 04/08/2003 | US6544470 Feeding device for electrical shaft furnaces with an electrode-receiving central tube |
| 04/08/2003 | US6544314 Process and apparatus for automatically controlling slag foaming |
| 04/03/2003 | WO2003027335A1 Method for refining molten iron containing chromium |
| 04/03/2003 | WO2003027334A1 Refractory material sensor |
| 04/03/2003 | WO2003027040A1 Thermally insulating coating material for refractory containing carbon |
| 04/03/2003 | US20030062661 Sampler for melts |
| 04/02/2003 | EP1298426A1 Sampling probe for melts |
| 04/02/2003 | EP1298224A1 Method and device for producing molten iron by means of arc heating with minimal refractory index |
| 04/02/2003 | EP1119482B1 Rail-mounted transporting device for ultra-heavy loads |
| 04/02/2003 | CN2542678Y Water-cooled oxycarbide gun mechanism of electric-arc furnace based on three degree of freedom parallel platform |
| 04/02/2003 | CN2542677Y Double-balanced oxygen lance |
| 04/02/2003 | CN1104622C Safety device for vessel jacket |
| 04/01/2003 | CA2402827A1 Method and device for producing molten iron |
| 03/27/2003 | WO2003025486A2 Furnace taphole drill |
| 03/26/2003 | EP1295656A1 Tap hole mass with fine Tio2, method for the production and use |
| 03/26/2003 | EP1295512A2 Induction furnace used in steelmaking |
| 03/26/2003 | EP1097246B1 Method and device for sealing a tap hole in metallurgical containers |
| 03/26/2003 | EP1021574B1 Apparatus and method for stirring molten metal using electromagnetic field |
| 03/26/2003 | CN2541466Y Combined multihole oxygen jet |
| 03/25/2003 | US6537342 Induction heater located at the bottom center line of the vessel, with the longitudinal access oriented perpendicular to the access of the vessel |
| 03/25/2003 | CA2222750C Combined oxygen blowing/fuel burner lance assembly |
| 03/20/2003 | WO2003023073A1 Oxygen blowing lance for the vacuum refining apparatus |
| 03/20/2003 | WO2003023072A1 Converter gearing |
| 03/20/2003 | US20030051582 The rice hull ash is blended with lime or dolime, and also with a mixture of water and molasses to generates heat as the lime and water react to form lime hydroxide, a known binder; the generated heat reduces the energy required for drying |
| 03/19/2003 | EP1292714A1 Immersion pipe cleaning device for vacuum degassing vessels |
| 03/19/2003 | EP1135536B1 Integrated device to inject technological gases and powdered material and method to use the device for the processing of baths of molten metal |
| 03/13/2003 | WO2001056916A3 Container transport vehicle |
| 03/13/2003 | DE10140667C1 Feuerfeste Blaslanze und Verfahren zu deren Herstellung Refractory lance and process for their preparation |
| 03/13/2003 | CA2403081A1 Oxygen-blowing lance in vacuum refining apparatus |
| 03/12/2003 | EP1291444A1 Method for observing inside of molten iron refining furnace and tuyere for observing inside of furnace |
| 03/12/2003 | EP1291443A2 Pressurized converter steelmaking method |
| 03/12/2003 | EP1291096A2 Method for producing isolating plates and binder mixture therefor |
| 03/12/2003 | EP1289902A1 Method for oxidising treatment of steel works slag and resulting ld slag |
| 03/12/2003 | CN1402798A Martensitic stainless steel and steelmaking process |
| 03/12/2003 | CN1103043C Cooling system for two assembly furnace lid of arc furnace |
| 03/12/2003 | CN1102961C Steel welding process for mono-oxygen quick treatment of equipment of converter oxygen lance etc. |
| 03/06/2003 | WO2003019096A1 Metallurgical oven and a material basket for a metallurgical oven |
| 03/06/2003 | WO2003018850A1 Method in the manufacture of steel |
| 03/06/2003 | US20030041691 Method and apparatus for controlling temperature uniformity of the burden in a direct reduction shaft furnace |
| 03/06/2003 | CA2456993A1 Metallurgical oven and a material basket for a metallurgical oven |
| 03/05/2003 | EP1288315A2 Refractory lance and process for manufacturing it |
| 03/05/2003 | EP1287170A1 Apparatus for injecting solid particulate material into a vessel |
| 03/05/2003 | EP1287169A1 Method and apparatus for delivering metallurgically improved molten metal |
| 03/05/2003 | EP1190104B1 Method of decarburisation and dephosphorisation of a molten metal |
| 03/05/2003 | CN2538807Y Oxygen lance repairing device |
| 03/05/2003 | CN1401010A Method for reprocessing dust or dust mixtures |
| 03/05/2003 | CN1401009A Method for treating slags or slag mixtures on and iron bath |
| 03/05/2003 | CN1102662C Apparatus and process for preheating of wast iron and steel scrap |
| 03/04/2003 | US6527877 A crystal structure in a solid iron-based solution comprising carbon in a dissolved and bonded state |
| 02/26/2003 | EP1286123A1 Apparatus for melting metals and method for operating such an apparatus |