| 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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| 06/25/2009 | WO2009077425A1 Method for producing building material from steel slag |
| 06/25/2009 | WO2009077114A1 Device and method for obtaining metals or metal compounds |
| 06/25/2009 | WO2009076945A1 Device for extracting metals or metal compounds from a material containing the metal or the metal compound |
| 06/25/2009 | WO2009076923A2 Method for producing a steel melt containing up to 30% of manganese |
| 06/25/2009 | US20090160107 Rotary Hearth Furnace And Method Of Operating The Same |
| 06/24/2009 | EP1017619B1 Oxygen-fuel boost reformer process and apparatus |
| 06/24/2009 | CN101463409A Method for directly smelting steel in induction furnace by using high temperature metalization mine and carbon mixture |
| 06/24/2009 | CN101463408A Control method for oxygen argon decarbonization converter end point temperature end point carbon |
| 06/24/2009 | CN101463407A Method for calculating converter steel melting lime adding amount |
| 06/24/2009 | CN101463406A Converter fluxing medium with LF refinery cinder as raw material and production method thereof |
| 06/23/2009 | US7550109 Double chamber single directional spiral tuyere for blast furnaces |
| 06/23/2009 | US7550108 Metallurgical vessel |
| 06/18/2009 | WO2009076546A1 Vortex inhibitor |
| 06/18/2009 | WO2009074044A1 A pre-stressed stopper mechanism of a converter |
| 06/18/2009 | US20090151510 Mounting enclosure for burners and particle injectors on an electric arc furnace |
| 06/18/2009 | CA2744605A1 Vortex inhibitor |
| 06/17/2009 | EP1625238B1 Direct smelting plant |
| 06/17/2009 | CN201258342Y Hydraulic hammer for slag removal from novel revolving furnace |
| 06/17/2009 | CN201258341Y Converter mouth with brick inlaying |
| 06/17/2009 | CN101460638A A method for stabilizing slag and novel materials produced thereby |
| 06/17/2009 | CN101457275A Method for controlling nitrogen content in Al deoxidization steel by converter process |
| 06/17/2009 | CN101457274A Explosion suppression system and method applied to steel converter gas recovery |
| 06/17/2009 | CN101457273A Method for producing steel for small square billet continuous casting high titanium alloy bonding wire |
| 06/17/2009 | CN101457272A Two-step stainless steel smelting method |
| 06/16/2009 | US7547409 Compact micro-porous media degasser |
| 06/16/2009 | US7546937 Poured molten metal quantity control device |
| 06/11/2009 | WO2009071406A1 Device for loading a furnace |
| 06/11/2009 | US20090145572 Method for controlling a molten metal bath bubbling in a metallurgical vessel and a device for carrying out said method |
| 06/10/2009 | DE102008029934B3 Feuerfester keramischer Gasspülstein Refractory ceramic gas purging plug |
| 06/10/2009 | DE102007058446A1 Ofen und Reinigungseinrichtung für einen Ofen Oven cleaner for a furnace |
| 06/10/2009 | CN201254585Y Uniform distributor |
| 06/10/2009 | CN201254584Y Revolving joint |
| 06/10/2009 | CN201254583Y Revolving furnace revolving joint with secondary sealing function |
| 06/10/2009 | CN101451173A Converter gas dry method pocket type purification and recovery process and system |
| 06/09/2009 | CA2440404C Refractory plug or brick for injecting gas into molten metal |
| 06/04/2009 | WO2009069794A1 Method and apparatus for treating high-temperature slag |
| 06/04/2009 | US20090140472 Reduction apparatus, reduction apparatus manufacture method, and vacuum smelting reduction furnace using the same |
| 06/03/2009 | CN201250244Y Non-ferrous metallurgy supersonic oxygen lance for oxygen bottom-blowing furnace |
| 06/03/2009 | CN201250243Y Connecting sealing structure for oxygen lance nozzle |
| 06/03/2009 | CN101445854A Aluminium feeding chute device |
| 06/03/2009 | CN101445853A Method for casting elevator as-cast ball iron towing pulley |
| 06/03/2009 | CN101445852A Converter gas wet cooling and dedusting method |
| 06/03/2009 | CN100494410C Method of and device for setting carbon, temperature and oxygen detecting probe in steel making converter |
| 05/27/2009 | EP2061911A1 Method and apparatus for charging hot direct reduced iron from hot transport vessels into a melter or finisher |
| 05/27/2009 | EP2061612A1 Method for pouring melt from a tiltable metallurgic vessel and system for performing the method |
| 05/27/2009 | CN201245682Y Enclosed hood travelling wheel speed reducer security device |
| 05/27/2009 | CN201245681Y High speed ceramet underreamer |
| 05/27/2009 | CN201245680Y Steel-tapping hole reamer bit |
| 05/27/2009 | CN201245679Y Idler roller way vertical roller |
| 05/27/2009 | CN201245678Y Evaporative cooler apparatus with filtering device |
| 05/27/2009 | CN201245677Y Slag-removing device for tapping of converter |
| 05/27/2009 | CN201245676Y Multifunctional bracket for mounting steel melting converter shell |
| 05/27/2009 | CN201245675Y Circular seam type nitrogen seal apparatus |
| 05/27/2009 | CN201245674Y Anti-drop structure for hoisting converter oxygen lance |
| 05/27/2009 | CN201245673Y Connection device between vaporizing flue and dust collector |
| 05/27/2009 | CN101440435A Vanadium-containing directly reduced iron as cooling agent for oxygen converter and shaking ladle vanadium extraction steel melting and production method thereof |
| 05/27/2009 | CN101440419A Control method for smelting high carbon low phosphorus steel by converter |
| 05/26/2009 | US7537724 Cooling plate for metallurgic furnaces |
| 05/21/2009 | US20090127752 Lance Extraction |
| 05/20/2009 | CN201241168Y Novel alloy material blanking apparatus for revolving furnace |
| 05/20/2009 | CN201241167Y Oxygen lance spray head apparatus for revolving furnace |
| 05/20/2009 | CN201241166Y U-shaped combined type holding ring of argon-oxygen decarburization revolving furnace |
| 05/20/2009 | CN201241165Y Novel magnesia brick capable of reducing converter mouth slagging |
| 05/20/2009 | CN201239970Y Tool bit for underreamer of furnace disintegrator |
| 05/20/2009 | CN101437966A Direct smelting plant |
| 05/20/2009 | CN101435057A Novel low-cost free-cutting stainless steel 303B and manufacturing process thereof |
| 05/20/2009 | CN101435056A Novel low-cost free-cutting stainless steel 303C and manufacturing process thereof |
| 05/20/2009 | CN100489116C Method for improving energy supply to a scrap metal pile |
| 05/19/2009 | US7534390 Tuyere device for introducing gaseous media under a liquid-metal layer |
| 05/13/2009 | CN201237443Y Automatic sand-filling apparatus of electric furnace |
| 05/13/2009 | CN101432448A Direct smelting plant |
| 05/13/2009 | CN101432447A 直接熔炼设备 Direct smelting plant |
| 05/13/2009 | CN101432446A Direct smelting plant |
| 05/13/2009 | CN101429585A Positioning method and apparatus for slag stop at time of slag-stopping pouring of revolving furnace and special-purpose slag stop therefor |
| 05/13/2009 | CN101429584A Mobile riding wheel frame |
| 05/13/2009 | CN101429583A Novel fusion reduction method employing iron-containing waste material in convertor steelmaking process |
| 05/13/2009 | CN101428294A Method for shortening prescriptive period of high-carbon steel wire rod for drawing |
| 05/13/2009 | CN100487141C Technique for extracting titanium slag form red mud |
| 05/07/2009 | WO2006091362A3 System for optically analyzing a molten metal bath |
| 05/06/2009 | EP1718776A4 Ironmaking and steelmaking |
| 05/06/2009 | CN101423916A Low-alloy abrasion-proof and corrosion resistant steel and method for producing the same |
| 05/06/2009 | CN101423879A Smelting method of low-phosphorus steel |
| 05/06/2009 | CN101423878A Method for slag melting and cooling by using pellet ore for converter smelting |
| 04/30/2009 | WO2009053044A1 Method for producing stainless steel using direct reduction furnaces for ferrochrome and ferronickel on the primary side of a converter |
| 04/30/2009 | US20090107295 Method and apparatus for the recovery of refractory debris materials and ladle slags as process slags in iron metallurgy producton in eafs, and the related metering to the furnace for the formation of the process slag |
| 04/30/2009 | DE102007050478A1 Verfahren zur Rostfreistahlerzeugung mit Direktreduktionsöfen für Ferrochrom und Ferronickel auf der Primärseite eines Konverters A method for stainless steel production by direct reduction of ferrochrome and ferronickel on the primary side of a converter |
| 04/29/2009 | CN201229113Y Watercooling furnace wall for electric furnace |
| 04/29/2009 | CN201228271Y Hot bending tube of vacuum degassing device |
| 04/29/2009 | CN201228269Y Feeder of steel-smelting decarburization furnace |
| 04/29/2009 | CN101418364A Flexible apparatus of balanced type movable hood |
| 04/29/2009 | CN101418363A Method for producing low carbon and high ductility X60/X65pipeline steel |
| 04/29/2009 | CN100482810C Maintenance and clinker removal method of sub lance for converter dual blown from top and bottom, and equipment |
| 04/28/2009 | US7524355 Nano-composite energetic powders prepared by arrested reactive milling |
| 04/23/2009 | WO2007096784A3 Method and apparatus for the direct reduction of iron oxides to metallic iron |
| 04/22/2009 | CN201224744Y Disassembling apparatus for sublance probe |
| 04/22/2009 | CN201224743Y Upright installation apparatus for sublance probe |
| 04/22/2009 | CN201224742Y Selecting and releasing device for sublance probe |
| 04/22/2009 | CN201224741Y Automatic assembling/disassembling apparatus for sublance probe |
| 04/22/2009 | CN201224740Y Elevating trolley apparatus |
| 04/22/2009 | CN201224739Y Ladder type seamless cone oxygen lance |