| 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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| 07/10/2008 | WO2008081750A1 Iron-based powder material, method for producing the same, and briquette for steelmaking material |
| 07/10/2008 | WO2008080479A1 Method and device for preheating lumpy material |
| 07/10/2008 | WO2008080379A1 Process and plant for producing steel |
| 07/10/2008 | DE102007001098A1 Verfahren und Anlage zur Erzeugung von Stahl Method and apparatus for producing steel |
| 07/10/2008 | CA2674131A1 Process and plant for producing steel |
| 07/09/2008 | EP1942200A2 Apparatus for injecting gas into a vessel |
| 07/09/2008 | EP1611070B1 Refractory composition and process for the repair of a hot refractory wall |
| 07/09/2008 | CN201082891Y Revolving furnace body |
| 07/09/2008 | CN201082890Y Oxygen gun slag scraper tool apron |
| 07/09/2008 | CN101215618A Method for smelting ultra-low-carbon steel |
| 07/09/2008 | CN101215617A Steel smelting device using solar energy as energy source |
| 07/09/2008 | CN101215616A Upper repairing method for mammoth converter lining |
| 07/09/2008 | CN101215615A Combination method mounting technique for ultra-large type steel converter |
| 07/08/2008 | US7396504 Method for supplying molten metal, system for supplying molten metal, producing method for producing aluminum, producing method for producing aluminum molding product, producing method of automobile, transporting vehicle, container, and apparatus for supplying molten metal |
| 07/08/2008 | US7396503 Lance for injecting particulate material into liquid metal |
| 07/02/2008 | EP1939306A2 Inducing swirl in a gas flow |
| 07/02/2008 | EP1740728A4 Metallurgical processing installation |
| 07/02/2008 | CN201080487Y Anti-twisting oxygen gun cooling water metal hose |
| 07/02/2008 | CN201080486Y Anti-twisting oxygen gun oxygen blowing metal hose |
| 07/02/2008 | CN101210299A High ductility steel strip for J55 petroleum sleeve and manufacturing method thereof |
| 07/02/2008 | CN100398667C Method for utilizing slag |
| 07/02/2008 | CN100398230C Covering means for a top slag, method for the production thereof and use of the covering means |
| 07/01/2008 | US7393496 Method and apparatus for increasing the capacity of a waste heat boiler in a metallurgic smelting furnace |
| 07/01/2008 | US7393379 Inserting the tires at a slower rate into an electric arc furnace and separate from the scrap steel, as compared to batch feeding them or feeding them as tires and scrap steel bundles, so that larger quantities of tires at a specific controlled location and time may be used |
| 06/26/2008 | WO2008076901A1 Injection method for inert gas |
| 06/25/2008 | EP1935994A2 Apparatus for injecting material into a vessel |
| 06/25/2008 | CN201077850Y Reblowing converter single branch pipe type bottom blewing air feed element measurement and judgment pipeline |
| 06/25/2008 | CN201077849Y Subsection split joint structure with close arranging pipe |
| 06/25/2008 | CN101205567A Brake control device |
| 06/25/2008 | CN101205566A Movable hood mechanical seal for converter vapourization cooling system |
| 06/25/2008 | CN100396799C Synthetic adding ball and its preparing method |
| 06/25/2008 | CN100396798C Slag forming element in use for refining molten steel, production method, and slagging method |
| 06/19/2008 | US20080142123 Ferritic stainless steel casting and sheet and method for producing the same |
| 06/18/2008 | EP1932927A2 Apparatus for injecting gas into a vessel |
| 06/18/2008 | CN101200772A Improved type slag splashing furnace protecting material and preparation method thereof |
| 06/18/2008 | CN100395364C Method for molten steel recarburization and vanadium alloying |
| 06/17/2008 | CA2198676C Steel, steel sheet having excellent workability and method of producing the same by electric furnace-vacuum degassing process |
| 06/12/2008 | WO2008070089A1 Apparatus for injecting gas into a vessel |
| 06/12/2008 | US20080136070 Gas Bubbling Element and Corresponding Gas Bubbling System |
| 06/12/2008 | US20080134838 Multifunction Injector and Relative Combustion Process for Metallurgical Treatment in an Electric Arc Furnace |
| 06/11/2008 | CN201071741Y Electric furnace flue gas waste heat power generation system |
| 06/11/2008 | CN201071377Y Super large type boring device of multi-claw square movable tool bit |
| 06/11/2008 | CN100393645C Device and method for casting and drawing out molten iron-containing and mineral materials |
| 06/10/2008 | US7384594 Method for the pyrometallurgical treatment of metals, metal melts and/or slags and injection device |
| 06/10/2008 | US7384593 Cyclone plug |
| 06/10/2008 | US7383972 Sliding closing element, with coupling |
| 06/05/2008 | WO2008064798A1 Method and device for producing stainless steel without using a supply of electrical energy, based on pig-iron that has been pre-treated in a ddd installation |
| 06/05/2008 | US20080128963 Apparatus for injecting gas into a vessel |
| 06/04/2008 | CN201068462Y Oxygen gun sprinkler |
| 06/04/2008 | CN201068461Y Stainless steel revolving furnace |
| 06/04/2008 | CN101194138A Smelting or reduction furnace, in particular electric arc furnace with an open, semi-closed or closed configuration |
| 06/04/2008 | CN101194031A Manufacture of ferroalloys |
| 06/04/2008 | CN101194030A Forehearth |
| 06/04/2008 | CN101194029A Hot metal supply apparatus |
| 06/04/2008 | CN101194028A Method for processing metallurgical slag |
| 06/04/2008 | CN101191147A Oxygen blast aluminizing pipe for steelmaking |
| 06/04/2008 | CN100392114C Steel-smelting and carburating method |
| 06/04/2008 | CN100392112C Slag making recarburized ball and its production method |
| 06/04/2008 | CN100392111C Method for manufacturing tool die steel plate produced by converter |
| 06/03/2008 | CA2225054C Method for melting a batch in an electric arc furnace |
| 06/03/2008 | CA2198901C Method and apparatus for electric steelmaking |
| 05/29/2008 | US20080122145 Gas Washing Device |
| 05/29/2008 | US20080121072 Alloying Fine Adjustment Method |
| 05/28/2008 | CN201065417Y Structure for preventing air brick cup leaking steel |
| 05/28/2008 | CN201065416Y Bricklaying structure for steelmaking furnace ball bottom central region |
| 05/28/2008 | CN201065415Y Double-layer overflow water sealing trough |
| 05/28/2008 | CN201065414Y Energy-saving converter oxygen gunpoint nitrogen sealing cap |
| 05/28/2008 | CN101186954A Device for putting probe for measuring temperature of converter and determine carbon and oxygen content, controlling method thereof |
| 05/27/2008 | US7377955 Method and apparatus for treatment of metallurgical slag and the like |
| 05/27/2008 | CA2397551C Converter oxygen blowing method and upward blowing lance for converter oxygen blowing |
| 05/22/2008 | WO2008058608A1 Metallurgical vessel, in particular arc furnace |
| 05/22/2008 | US20080116233 Vortex inhibitor with sacrificial rod |
| 05/22/2008 | US20080115625 Method And Installation For Production Of Secondary Steel Based On Scrap |
| 05/21/2008 | DE102006054344A1 Metallurgisches Gefäß, insbesondere Lichtbogenofen A metallurgical vessel, in particular arc furnace |
| 05/21/2008 | CN201062277Y Converter oxygen-gun injector structure |
| 05/21/2008 | CN201062275Y Hold-loop for slag pot and ladle dumping machine |
| 05/21/2008 | CN101182591A Revolving furnace production process of low oxygen kind high-carbon chromium bearing steel |
| 05/21/2008 | CN101182590A Process of tron melt adding ore revolving furnace for steelmaking |
| 05/20/2008 | US7374716 Metallurgical oven and a material basket for a metallurgical oven |
| 05/15/2008 | WO2008056655A1 Durable sleeve bricks |
| 05/15/2008 | US20080111286 Metallurgical Vessel with Fixing System |
| 05/14/2008 | EP1920076A1 Tiltable metallurgical vessel |
| 05/14/2008 | CN201058879Y Wrought-copper wrought-steel welding oxygen gun blow head |
| 05/14/2008 | CN201058878Y Converter argon-station wire-feeding tipping device |
| 05/14/2008 | CN101177720A Slag splashing method for converter high-oxidisability furnace residue |
| 05/14/2008 | CN100387746C Quasi bainitic steel and its application in rail way industry |
| 05/14/2008 | CN100387732C Harmless resource utilization method for chromic slag |
| 05/13/2008 | US7371342 Method for unlocking nozzles of reactors |
| 05/13/2008 | US7370544 Device for performing measurements and/or taking samples in molten metals |
| 05/13/2008 | CA2341749C Soderberg-type composite electrode for arc smelting furnace |
| 05/08/2008 | US20080106011 Stopper |
| 05/08/2008 | DE102006052181A1 Verfahren zur kontinuierlichen oder diskontinuierlichen Gewinnung eines Metalls oder mehrerer Metalle aus einer das Metall oder eine Verbindung des Metalls enthaltenden Schlacke Process for the continuous or discontinuous recovery of a metal or several metals from a metal or a compound of the metal-containing slag |
| 05/07/2008 | EP1918868A1 Primary products production system and method |
| 05/07/2008 | EP1918703A1 Acoustic emission control of slag height in a steelmaking process |
| 05/07/2008 | CN101173323A Multifunctional slagging material findings and method for producing the same |
| 05/07/2008 | CN101173322A Synthetic brick laying method for ball bottom of revolving furnace |
| 05/02/2008 | WO2008051591A2 Permeable annulus |
| 05/02/2008 | WO2008051356A2 Microwave heating method and apparatus for iron oxide reduction |
| 05/02/2008 | WO2008049673A1 Method of regulating the output of carbon monoxide in a metallurgical melting process |
| 05/02/2008 | CA2703639A1 Permeable annulus |