| 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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| 03/28/2007 | EP1765971A2 Method and apparatus for carrying out a metallurgical process |
| 03/28/2007 | CN2883389Y Coring line for realizing molten steel vanadium, nitrade alloy |
| 03/28/2007 | CN1936029A Method for utilizing waste steel ladle pouring material as converter slag-making fluxing agent |
| 03/28/2007 | CN1936028A Synthetic adding ball and its preparing method |
| 03/28/2007 | CN1936027A Method for producing titanium oxide containing slag |
| 03/28/2007 | CN1307385C Coherence jet system with single enveloped flame ring |
| 03/27/2007 | US7195662 Device and process for producing metal foam |
| 03/27/2007 | US7195479 Hot liner insertion/removal fixture |
| 03/22/2007 | WO2006103114A3 Method and apparatus for the recovery of the secondary metallurgy (lf) slag and its recycling in the steel production process by means of electric arc furnace |
| 03/22/2007 | US20070063400 Metal jet apparatus and jet method |
| 03/22/2007 | US20070063399 Metal making lance assembly |
| 03/22/2007 | US20070062330 Operating a channel induction furnace so as to receive electric arc furnace dust, basic oxygen furnace ludge/dust and/or other iron and volatile metals containing materials as a feed stream on a with a iron-containing material feed, and produce an iron-containing hot metal or pig iron product |
| 03/21/2007 | EP1764421A2 Device for decarbonising a steel melt |
| 03/21/2007 | CN2880849Y Self-cleaning device for gasification cooling flue pressure measuring mouth of converter |
| 03/21/2007 | CN2880848Y Oxygen gun fast changing device |
| 03/21/2007 | CN1934325A Method of building a direct smelting plant |
| 03/21/2007 | CN1934278A Direct smelting plant |
| 03/21/2007 | CN1306044C Method for producing titanium oxide containing slag |
| 03/20/2007 | CA2427409C Cooling system for a trunnion ring and metallurgical furnace vessel |
| 03/15/2007 | WO2007028535A1 Tiltable metallurgical vessel |
| 03/15/2007 | US20070057418 Lance device with reciprocating drive |
| 03/15/2007 | US20070057417 Metallurgical lance with annular gas flow control |
| 03/14/2007 | EP1645643B1 Tuyere device for introducing gaseous media under a liquid-metal layer |
| 03/14/2007 | CN1930308A Ironmaking and steelmaking |
| 03/13/2007 | US7189940 Plasma-assisted melting |
| 03/08/2007 | WO2007026192A1 Production of ferroboron in direct current electrical arc furnace |
| 03/07/2007 | CN1926248A Direct smelting plant and process |
| 03/07/2007 | CN1924027A Switching method for feeding nitrogen and argon of reblowing converter bottom |
| 03/07/2007 | CN1303224C Method and device for the continuous production of steel using metal charge material |
| 02/28/2007 | EP1756320A2 Heat exchanger system used in steel making |
| 02/28/2007 | CN2873791Y Anti-adhesive slag device for converter oxygen gun |
| 02/28/2007 | CN1302124C Automatic control method for hanging scum plug casting device |
| 02/28/2007 | CN1302123C Method and apparatus for practicing carbonaceous-based metallurgy |
| 02/28/2007 | CN1302122C Reduction smelting method in a shaft furnace with recovery of volatile secondary metals |
| 02/22/2007 | WO2007021238A1 Lance to be used during combustion |
| 02/22/2007 | US20070040308 Lance for use during combustion |
| 02/22/2007 | DE102006025185A1 Apparatus for blowing gas into a vessel, especially a direct smelting vessel, comprises a swirler with vanes that have a straight front section, a spiral rear section and a smoothly changing transitional region |
| 02/21/2007 | EP1754796A1 Quadrilateral assembly for coherent jet lancing and post combustion in an electric arc furnace |
| 02/21/2007 | EP1641946B1 Method for producing an alloy molten metal |
| 02/21/2007 | CN2871549Y Multi-taper pyramidal oxygen gun |
| 02/21/2007 | CN2871548Y Flexible smoke baffle unit |
| 02/15/2007 | DE102005038172A1 Abstichkanal für einen metallurgischen Ofen Tapping channel for a metallurgical furnace |
| 02/14/2007 | EP1752546A1 The method of making high-purity steels |
| 02/14/2007 | EP1751486A1 Heat exchanger |
| 02/14/2007 | CN2869029Y End protective oxygen gun spray head |
| 02/14/2007 | CN1300344C Converter retaining operation method of preventing splash slag and reducing iron loss |
| 02/13/2007 | US7175691 Method of producing stainless steel by re-using waste material of stainless steel producing process |
| 02/13/2007 | US7174913 Gas tap for a cooking appliance, with a cover for the rotary shaft |
| 02/13/2007 | CA2454369C Coherent jet system with outwardly angled flame envelope ports |
| 02/08/2007 | US20070029709 Sliding closing element, with coupling |
| 02/07/2007 | EP1749109A2 Refining molten metal |
| 02/07/2007 | CN2866516Y Automatic transfer device for oxygen blowing lance |
| 02/07/2007 | CN1910295A Method for producing low carbon steel |
| 02/07/2007 | CN1298867C Suboxide steel production method |
| 02/06/2007 | US7172640 Method and device for melting down metal-containing materials |
| 02/06/2007 | CA2224716C Method for an improved energy input into a scrap bulk |
| 02/01/2007 | WO2005103306A3 Methods of using tires and scrap rubber in the manufacture and melting of steel and other metals |
| 02/01/2007 | US20070027023 Refractory composition and process for the repair of a hot refractory wall |
| 01/31/2007 | EP1747297A1 Method for reducing cr in metallurgical slags containing cr |
| 01/31/2007 | CN2863815Y Forging and casting blank formation oxygen lance injection head |
| 01/31/2007 | CN2863814Y Forging and casting combination oxygen lance injection head |
| 01/31/2007 | CN1297672C Electric steelmaking process by blowing CO2 gas |
| 01/25/2007 | WO2007009924A1 Method for determining at least one state variable of an electric arc furnace, and electric arc furnace |
| 01/25/2007 | WO2007009861A2 Method for determining the properties of the content of an arc furnace |
| 01/25/2007 | DE102005034378A1 Verfahren zur Bestimmung der Beschaffenheit des Inhalts eines Lichtbogenofens Method for determining the nature of the contents of an arc furnace |
| 01/25/2007 | DE102005033287A1 Schmelzofen und Verfahren zu dessen Betrieb Melting furnace and method for its operation |
| 01/25/2007 | CA2615929A1 Method for determining at least one state variable of an electric arc furnace, and electric arc furnace |
| 01/25/2007 | CA2615927A1 Method for determining the status of the content of an arc furnace |
| 01/24/2007 | CN2861176Y Processing apparatus for on-line accident of finery |
| 01/24/2007 | CN2861174Y Air impedance dust catcher |
| 01/24/2007 | CN2861173Y Slag decomposing agent of steel-making dust slime sphere |
| 01/24/2007 | CN1902329A Method for pre-heating, transforming and melting a metal charge and relative plant |
| 01/24/2007 | CN1900325A Composite reinforced producing method for high strength steel |
| 01/24/2007 | CN1296504C Method for smelting boron steel directly from pig iron containing boron |
| 01/24/2007 | CN1296157C Refractory plug or brick for injecting gas into molten metal and its production method |
| 01/18/2007 | WO2006103115A3 Method and apparatus for the recovery of refractory debris materials and ladle slags as process slags in iron metallurgy production in eafs, and the related metering to the furnace for the formation of the process slag |
| 01/18/2007 | WO2006087212A3 Furnace system and method for melting down metallic or metal-containing feed material |
| 01/18/2007 | WO2006066854A3 Metallurgical vessel with fixing system |
| 01/18/2007 | US20070013114 Container capable of transporting molten metal received therein to separate factory and method of producing the container |
| 01/18/2007 | US20070012139 Injecting gas in a stream at a supersonic velocity from an injection device into a vacuum vessel; combusting fuel and oxidant to form a flame envelope around the gas stream forming and maintaining a coherent gas jet |
| 01/17/2007 | EP1743948A2 Melting furnace and method of its operation |
| 01/17/2007 | CN1898553A Method for analysis of a molten material, device and immersion sensor |
| 01/17/2007 | CN1896287A Bagged dust-collecting rcovery system by rotary-furnace coal-gas dry pulse |
| 01/17/2007 | CN1295351C Converter steam dome high/low water level automatic feedwater unit |
| 01/10/2007 | EP1740728A1 Metallurgical processing installation |
| 01/10/2007 | EP1627085B1 Method for recovering metallic elements, especially metallic chromium, from slag containing metal oxides in an electric-arc furnace |
| 01/10/2007 | EP1474537A4 Model-based system for determining process parameters for the ladle refinement of steel |
| 01/09/2007 | US7159745 Method of dispensing metered portions of molten lead |
| 01/09/2007 | CA2367997C Metallurgical vessel comprising a tapping device and method for the controlled, slag-free extraction of molten metal from said vessel |
| 01/04/2007 | WO2007002017A1 Laser cladding on low heat resistant substrates |
| 01/04/2007 | CA2612670A1 Laser cladding on low heat resistant substrates |
| 01/03/2007 | EP1739374A2 Wall element for a metallurgical furnace |
| 01/03/2007 | EP1660688B1 Method of charging fine-grained metals into an electric-arc furnace |
| 01/03/2007 | EP1604146A4 System for optically analyzing a molten bath |
| 01/03/2007 | EP1434888B1 Supplying solid feed materials for a direct smelting process |
| 01/03/2007 | CN2853808Y High-efficient oxygen-blown lance spray of converter |
| 01/03/2007 | CN2853807Y Broaching bit for tapping hole of converter |
| 01/03/2007 | CN1888087A Converter shop dust collecting cover device |
| 01/03/2007 | CN1293208C Steel-smelting converter slag line dry subsidizing method |
| 12/28/2006 | US20060292027 High-purity ferroboron, a mother alloy for iron-base amorphous alloy, an iron-base amorphous alloy, and methods for producing the same |