| Patents for C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel (14,381) |
|---|
| 02/24/2005 | US20050040572 Tightening device for a refractory plate of sliding closure on the spout of a vessel for molten metal |
| 02/24/2005 | US20050040571 Method for the pyrometallurgical treatment of metals, metal melts and/or slags and injection device |
| 02/22/2005 | US6859766 Indirect gas species monitoring using tunable diode lasers |
| 02/17/2005 | WO2005014868A1 Method of charging fine-grained metals into an electric-arc furnace |
| 02/17/2005 | WO2004092422A3 Method for improving energy supply to a scrap metal pile |
| 02/17/2005 | DE10335847A1 Electric arc reduction furnace for reducing slag in the recovery of metallic components comprises a charging opening for charging material which simultaneously acts as an exhaust gas line opening for the gas produced |
| 02/16/2005 | CN1189743C Novel heat analysing system |
| 02/16/2005 | CN1189575C Converter steelmaking process |
| 02/15/2005 | US6855189 Method for removing chrome and/or nickel from liquid slags |
| 02/15/2005 | US6855188 Multichambered steelmaking apparatus and method of steelmaking |
| 02/15/2005 | US6855183 Two-nozzle plasma generator utilizes two plasma arc torches, a non-transferred torch and a transferred torch to create a molten pool from waste in a vessel; introduction of steam; and generation of hydrogen fuel gas |
| 02/10/2005 | US20050028643 Heating with reducing agents to reduce iron oxide to iron |
| 02/10/2005 | DE10227239B4 Elektrolichtbogenofen als Schnauzenkipper Electric arc furnace as a muzzle tipper |
| 02/09/2005 | CN1188532C Method for reprocessing dust or dust mixtures |
| 02/08/2005 | CA2137102C Method of making high nitrogen content steel |
| 02/02/2005 | CN1572889A Combined steel and iron making equipment |
| 02/02/2005 | CN1187566C Metallurgical vessel comprising tapping device and method for controlled, slag-free extraction of mol ten metal from said vessel |
| 02/02/2005 | CN1187458C Steel making method using modified iron |
| 02/01/2005 | US6849228 Blowing lance nozzle |
| 02/01/2005 | CA2307090C Structure of metallurgical furnace and operating method using the same metallurgical furnace |
| 02/01/2005 | CA2157197C Process for the continuous refining of metal and a facility for carrying out said process |
| 01/27/2005 | WO2004045800A3 Modular lance |
| 01/26/2005 | EP1425425B1 Converter gearing |
| 01/26/2005 | EP1337671B1 Method for treatment of ladle slag |
| 01/26/2005 | CN2673879Y Furnace wall carbon oxygen spray gun for novel super high power electric steel-smelting furnace |
| 01/26/2005 | CN1186464C Production method of small square billet continuous casting bearing steel |
| 01/25/2005 | US6846763 Refractory repair material batch |
| 01/20/2005 | WO2005005900A2 A burner and gas-injection device |
| 01/20/2005 | US20050012253 Converter gearing |
| 01/20/2005 | US20050012252 Cold hearth and skull for refining metals which seal together to prevent overflow of molten metal therebetween |
| 01/20/2005 | US20050012251 Ladle nozzle for use with molten metals |
| 01/20/2005 | US20050011309 Agglomerated quicklime or dolomitic quicklime compositions for electric arc furnace steelmaking |
| 01/19/2005 | EP1497602A1 Control of refractory wear |
| 01/19/2005 | EP1497472A1 Injection of solids into liquids by means of a shrouded supersonic gas jet |
| 01/19/2005 | EP1497471A1 Lance for injecting particulate material into liquid metal |
| 01/19/2005 | EP1274870B1 Ferroalloy production |
| 01/19/2005 | EP1228250B1 Gas injection stopper brick with sealing body under screw spring pressure for metallurgical vessels |
| 01/19/2005 | CN1566371A Converter steam dome high/low water level automatic feedwater unit |
| 01/19/2005 | CN1566370A Method for producing continuous casting carbon welding steel rod |
| 01/19/2005 | CN1185357C Method for processing steel slag |
| 01/19/2005 | CN1185056C Production process of mother material for cold rolled ribbed steel bar and cold rolled ribbed steel bar |
| 01/18/2005 | US6843828 Method for treating slags or slag mixtures on an iron bath |
| 01/13/2005 | WO2005003630A1 Method for heating a furnace for treating materials to be annealed |
| 01/13/2005 | US20050005735 Iron, carbon melt; injecting high velocity flow of particlesentrained in carrier gas |
| 01/12/2005 | EP1017619A4 Oxygen-fuel boost reformer process and apparatus |
| 01/12/2005 | CN1564928A Replacement method and device for assembling and disassembling modules of an electric arc furnace |
| 01/12/2005 | CN1563468A Manufacturing method of cold forming high intensity steel for welded structure |
| 01/12/2005 | CN1563435A Technique for manufacturing bearing steel |
| 01/12/2005 | CN1563434A Half hang type trailer of scrap steel carrier vehicle dedicated for rotating furnace |
| 01/12/2005 | CN1184334C Recoverynig method for converter gas |
| 01/12/2005 | CN1184118C Techology for manufacturing plates for container |
| 01/11/2005 | CA2232219C Lance/burner for molten metal furnace |
| 01/06/2005 | WO2005001147A1 Method for producing an alloy molten metal and associated production plant |
| 01/05/2005 | EP1493830A1 Smelt reduction method for processing slags and dusts from stainless steelmaking |
| 01/05/2005 | EP1492893A1 Method and installation for producing stainless steel, especially high-quality steel containing chromium or nickel chromium |
| 01/05/2005 | DE10323826A1 Verfahren und Vorrichtung zum Behandeln von Metallschmelzen, insbesondere Stahlschmelzen, mit einem Frischmittel aus Sauerstoff Method and apparatus for treating metal melts, in particular steel melts, with a refining agent is selected from oxygen |
| 01/05/2005 | CN1561398A Arc furnace with mounted projection for discharging solution and method for operating this arc furnace |
| 01/04/2005 | US6837916 Smelting reduction method |
| 12/30/2004 | US20040262825 Scrap melter and impeller therefore |
| 12/30/2004 | US20040262823 Direct smelting plant |
| 12/30/2004 | US20040261915 Molten steel is covered with basic slag and strongly deoxidized with silicon alloy |
| 12/30/2004 | DE10333764B3 Charging fine, directly-reduced iron particles into arc furnace, passes stream of bulk material from downcomer through orifice plate, to enter furnace largely undisturbed |
| 12/29/2004 | EP1491646A1 Cast piece and sheet of ferritic stainless steel, and method for production thereof |
| 12/29/2004 | EP1490522A1 Method for treating alloyed carbonic iron smelts used for the production of steel |
| 12/29/2004 | CN2666562Y Central column water cooling oxygen gun spray head |
| 12/29/2004 | CN1557897A Oxygen lance spraying paint and device therefor |
| 12/29/2004 | CN1182259C Method for producing melt iron |
| 12/28/2004 | US6835229 Method and apparatus for clearing a powder accumulation in a powder delivery tube |
| 12/23/2004 | WO2004111281A2 Compact micro-porous media device degassing molten metal |
| 12/23/2004 | WO2004111276A1 Tuyere device for introducing gaseous media under a liquid-metal layer |
| 12/23/2004 | WO2004110676A1 A method and a device for detecting slag |
| 12/23/2004 | WO2004110675A1 A method and a device for detecting slag |
| 12/23/2004 | US20040256773 Direct smelting plant and process |
| 12/23/2004 | DE10325955A1 Verfahren und Anlage zum Erzeugen von Stahlprodukten mit bester Oberflächenqualität Method and apparatus for producing steel products with outstanding surface quality |
| 12/23/2004 | DE10325169A1 Gleichstrom-Lichtbogenofen DC arc furnace |
| 12/23/2004 | CA2528226A1 A method and a device for detecting slag |
| 12/23/2004 | CA2528217A1 A method and a device for detecting slag |
| 12/22/2004 | CN1556865A Method and device for refining molten chromium-containing steel |
| 12/21/2004 | CA2320456C Device for preheating charging stock, comprising replaceable stack wall sections |
| 12/21/2004 | CA2250701C Process for separating sulphide-containing materials using hydrogen peroxide |
| 12/16/2004 | WO2004110104A1 Direct current arc furnace |
| 12/16/2004 | WO2004108971A2 Method and installation for the production of steel products having an optimum surface quality |
| 12/16/2004 | WO2004108328A2 Gas rinser with suitable slot-shaped canals |
| 12/16/2004 | US20040250650 Composition of matter tailoring: system I |
| 12/16/2004 | DE10326113B3 Gasspüler mit geneigten schlitzförmigen Kanälen Bubbler with slanted slit-shaped channels |
| 12/15/2004 | EP1486272A1 A method and a device for detecting slag |
| 12/15/2004 | EP1486271A1 A method and a device for detecting slag |
| 12/15/2004 | EP1434888A4 Supplying solid feed materials for a direct smelting process |
| 12/15/2004 | EP1419355B1 Metallurgical oven and a material basket for a metallurgical oven |
| 12/15/2004 | CN2663428Y Water cooled module for electric furnace and steelsmelting furnace wall |
| 12/15/2004 | CN2663427Y Molten steel taphole floating plug of steel melting furnace |
| 12/15/2004 | CN2663426Y Molten steel taphole floating plug of steel melting furnace |
| 12/15/2004 | CN2663425Y Vapor seal apparatus for oxygen lance |
| 12/15/2004 | CN2663424Y Casting-assembling formed floating plug |
| 12/15/2004 | CN1554777A Homogeneous slag blocking ball and its producing method |
| 12/15/2004 | CN1180094C Plant for using converter produced vapor in vacuum refining furnace |
| 12/14/2004 | US6831939 Dual use of an induction furnace to produce hot metal or pig iron while processing iron and volatile metal containing materials |
| 12/14/2004 | US6830606 Method for decarbonization refining of chromium-containing molten steel |
| 12/09/2004 | US20040247012 Replacement method and device for assembling and disassembling modules of an electric arc furnace |
| 12/09/2004 | US20040245683 Cyclone plug |