| 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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| 09/28/2006 | WO2005106048A3 Heat exchanger system used in steel making |
| 09/28/2006 | US20060214338 Holding furnace and metering device for metal baths |
| 09/28/2006 | DE202005020851U1 Converter with holder (1) for molten metal and measurement device for optical temperature measuring of the molten metal useful useful in production of steel from pig iron has detector in region where environmental temperature is decreased |
| 09/28/2006 | DE102005012601A1 Bearing arrangement, especially for large bearing, including bearing housing with closeable channel and removable cover, useful for metallurgical vessels, especially steel converters, and for mining equipment and stone breakers |
| 09/27/2006 | CN2820875Y Connector for rotary furnace and support ring |
| 09/27/2006 | CN1276895C Refractory repair material batch |
| 09/21/2006 | WO2004069448A3 Tightening device for a refractory plate of a sliding closure on the spout of a vessel for molten metal |
| 09/21/2006 | US20060208400 Cooled furnace wall |
| 09/20/2006 | EP1703241A1 Device and process for the dynamic combustion control of a burner of an electric arc furnace |
| 09/20/2006 | EP1702992A1 Process for effectively removing slag from molten iron and apparatus therefor |
| 09/20/2006 | CN2818489Y Composite air bricks |
| 09/20/2006 | CN1834488A 轴承装置 Bearing device |
| 09/20/2006 | CN1276115C High-sulphur abrasion-resistant casting steel |
| 09/20/2006 | CN1276099C Converter gearing and method for adjusting axis of locking arm |
| 09/20/2006 | CN1276098C Technique for dedusting flue gas of rotating furnace through semi-dry process |
| 09/19/2006 | CA2346977C Method of producing molten iron in duplex furnaces |
| 09/19/2006 | CA2278513C Refractory wall, metallurgical vessel comprising such a refractory wall and method in which such a refractory wall is applied |
| 09/14/2006 | WO2006094677A1 Ejector for opening a steel casting ladle channel |
| 09/14/2006 | US20060201204 Device and method for casting and drawing out molten iron-containing and mineral materials |
| 09/13/2006 | EP1625238A4 Direct smelting plant |
| 09/13/2006 | EP1611259A4 Direct smelting plant and process |
| 09/13/2006 | CN2816049Y Connection structure of torsion bar and speed reducer case |
| 09/08/2006 | WO2006092549A2 Process and plant for gas-based direct steelmaking |
| 09/08/2006 | WO2006092010A1 Lance extraction |
| 09/07/2006 | US20060196308 Method for recovering metallic elements, especially metallic chromium, from slag containing metal oxides in an electric-arc furnace |
| 09/07/2006 | US20060196227 Method of producing foamed slag |
| 09/06/2006 | EP1698412A1 Poured molten metal quantity control device |
| 09/06/2006 | EP1572398B1 Gas flushing device for metallurgical melting pots |
| 09/06/2006 | EP1171639A4 Continuous charge preheating, melting, refining and casting |
| 09/06/2006 | CN1830230A Direct current arc furnace |
| 09/06/2006 | CN1829891A Electric reducing furnace |
| 09/06/2006 | CN1827793A Molten slag gasification dephosphorization method during converter splash protection process |
| 09/06/2006 | CN1827789A Joint filler for converter tuyere brick replacing |
| 09/06/2006 | CN1827788A Iron-carbon synthesized block and its application |
| 09/06/2006 | CN1273635C Manufacturing method of cold forming high intensity steel for welded structure |
| 09/06/2006 | CN1273625C Solid state reduction of oxides |
| 09/06/2006 | CN1273622C Device and method for controllable feeding gas to metallurgical vessel |
| 09/06/2006 | CN1273621C Grading using method for slag of steel-melting furnace |
| 09/06/2006 | CN1273242C Injection device and process for the injection of a fluid |
| 08/31/2006 | WO2006091362A2 System for optically analyzing a molten metal bath |
| 08/31/2006 | WO2006089897A1 Conveyor apparatus for conveying a metal charge in a melting plant |
| 08/31/2006 | WO2006089870A2 Melting plant and method for the production of steel |
| 08/31/2006 | WO2006089869A1 Cover for a connection conveyor for loading a metal charge into a melting furnace and relative movement device |
| 08/31/2006 | WO2006089868A1 Connection conveyor for loading a metal charge into a melting plant |
| 08/31/2006 | WO2006089867A2 Device for loading a metal charge in a melting plant |
| 08/31/2006 | CA2598111A1 System for optically analyzing a molten metal bath |
| 08/30/2006 | EP1695068A1 Method for analysis of a fused material device and dipping sensor |
| 08/30/2006 | CN2812068Y Real-time oxygen regulator for electric furnace |
| 08/30/2006 | CN2811902Y Dry type seal device for moveable apron of rotary furnace |
| 08/30/2006 | CN1826417A Method of charging fine-grained metals into an electric-arc furnace |
| 08/24/2006 | WO2006087212A2 Furnace system and method for melting down metallic or metal-containing feed material |
| 08/24/2006 | DE102005007655A1 Ofenanlage und Verfahren zum Einschmelzen von metallischen oder metallhaltigen Einsatzstoffen Furnace system and method for melting metal or metal-containing feedstocks |
| 08/24/2006 | CA2594782A1 Furnace installation and method for melting down metallic or metal-containing charge materials |
| 08/23/2006 | CN2808925Y Electric furnace wall oxygen lance fireproof sleeve |
| 08/23/2006 | CN2808924Y Converter auxiliary gun composite probe temperature-measuring oxygen-determination parts |
| 08/23/2006 | CN2808923Y Oxygen lance of oxygen bottom-blowing furnace |
| 08/23/2006 | CN1821425A Manganese series low fluorine refining agent |
| 08/22/2006 | US7094271 Method for producing stainless steels, in particular high-grade steels containing chromium and chromium-nickel |
| 08/16/2006 | EP1689893A2 Method for pre-heating, transforming and melting a metal charge and relative plant |
| 08/16/2006 | EP1287170B1 Apparatus for injecting solid particulate material into a vessel |
| 08/16/2006 | CN1820174A A burner and gas-injection device |
| 08/16/2006 | CN1820084A Method and installation for the production of steel products having an optimum surface quality |
| 08/16/2006 | CN1818092A Preparation of steel-smelting carburant |
| 08/16/2006 | CN1818091A Steel smelting and carburating method |
| 08/16/2006 | CN1818090A Steel smelting and carburating method |
| 08/16/2006 | CN1818089A Steel smelting and carburating method |
| 08/16/2006 | CN1818088A Steel smelting and carburating method |
| 08/16/2006 | CN1818087A Steel-smelting and carburating method |
| 08/16/2006 | CN1818084A Spraying and water-cooling furnace top cover |
| 08/16/2006 | CN1818083A Self-cooling iron liquid pretreating spray gun |
| 08/16/2006 | CN1269974C Combined iron direct-reducing method and system |
| 08/09/2006 | EP1645643A4 Tuyere device for introducing gaseous media under a liquid-metal layer |
| 08/09/2006 | EP1558768B1 Method for the production of corrosion-resistant steels and cast irons by alloying with a polymerized, fullerene-like carbon |
| 08/09/2006 | CN1816638A Hot material conveyor |
| 08/09/2006 | CN1814814A Converter smelting method |
| 08/03/2006 | DE10344198B4 Verfahren und Anlage zum Erhöhen der Produktivität beim Stahlherstellen Method and apparatus for increasing the productivity in steel manufacturing |
| 08/02/2006 | CN2801796Y Electric furnace water cooling oxygen gun having hydraulic lifting device |
| 08/02/2006 | CN2801795Y Long life water cooling fire hole |
| 08/02/2006 | CN2801794Y Top blow type desulfur dephousphorus spray gun |
| 08/02/2006 | CN1813073A Method for producing an alloy molten metal and associated production plant |
| 08/02/2006 | CN1811002A X65 pipeline steel for use in acid condition and its making process |
| 08/02/2006 | CN1267568C Direct-reduction method and equipment for production of iron, molten, cast iron and steel |
| 08/01/2006 | US7083758 Free flowing dry back-up insulating material |
| 07/27/2006 | WO2006077786A1 Reverse slant lining structure of furnace with reduced part structure |
| 07/27/2006 | US20060162498 Direct production of refined metals and alloys |
| 07/27/2006 | DE10109694B4 Beheizungsvorrichtung Heating device |
| 07/26/2006 | EP1610903B1 Nozzle for spraying liquid substances, dispersions, emulsions, or suspensions |
| 07/26/2006 | EP1452615B1 Method for reuse of steel sheet scrap |
| 07/26/2006 | CN2799578Y Special sling for converter waste steel bucket |
| 07/26/2006 | CN1809434A Gas rinser with suitable slot-shaped canals |
| 07/26/2006 | CN1807664A Harmless resource utilization method for chromic slag |
| 07/26/2006 | CN1266288C Method for refining metal by different oxygen refining sequence |
| 07/19/2006 | CN2797382Y Cooling water connecting pipe for water cooled furnace mouth of converter |
| 07/19/2006 | CN2797381Y Rigid water-cooled venturi |
| 07/19/2006 | CN1806057A Tuyere device for introducing gaseous media under a liquid-metal layer |
| 07/19/2006 | CN1804051A Dedusting magnesium iron ball and its application in electric furnace slag-making |
| 07/19/2006 | CN1804050A Application of preprocessed molten iron in electric steelmaking |
| 07/19/2006 | CN1265009C Method for reuse of steel sheet scrap |
| 07/19/2006 | CN1264996C Method and apparatus for electric steel production having continuously preheating, smelting, refining and casting processes |
| 07/19/2006 | CN1264995C Blasting lance with gas/liquid mixing chamber and method for expansion cooling thereof |