| 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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| 08/10/2005 | EP1560936A1 Gas supply system for a metallurgical furnace and operating method for said system |
| 08/10/2005 | EP1490522B1 Method for treating alloyed carbonic iron smelts used for the production of steel |
| 08/10/2005 | EP1481100B1 Method for the production of stainless steel, particularly high-grade steel containing chrome or chrome nickel |
| 08/10/2005 | EP1230407A4 Solid state reduction of oxides |
| 08/10/2005 | CN1214126C Method for vacuum induction smelting high-chrome super-purity ferrite stainless steel |
| 08/10/2005 | CN1214120C Variably insertable combined Iance with displacable burner and blower lance body |
| 08/04/2005 | WO2005069977A2 Method for producing low carbon steel |
| 08/04/2005 | US20050166710 carbon-containing iron melt is subjected to a decarburization by the addition of oxygen and a part of the metallic alloying elements are slagged; metal melt is withdrawn from metallurgical vessel while slag remains unreduced; vessel is filled with new charge of iron melt and decarburized |
| 08/03/2005 | EP1558768A1 Method for the production of corrosion-resistant steels and cast irons by alloying with a polymerized, fullerene-like carbon |
| 08/03/2005 | EP1372888B1 Refractory plug or brick for injecting gas into molten metal |
| 08/03/2005 | EP1181492B1 Electric arc furnace and method for continuous charging |
| 08/03/2005 | CN1650035A Method for deep decarburisation of steel melts |
| 08/03/2005 | CN1648262A Self patching method for rotary furnace lining |
| 08/03/2005 | CN1648261A Steel-making method using waste pig iron as raw material |
| 08/02/2005 | US6923843 Processing molten metal through a water cooled supersonic oxygen injection lance; mixing a second gas to reduce the amount of oxygen, yet maintain optimal flow rate. |
| 07/28/2005 | US20050160876 Decarbonization in a three refining stages, reducing carbon concentration in molten steel by oxidation, providing oxygen and inert gas in one stream |
| 07/28/2005 | DE10361753A1 Aufnahmevorrichtung für Injektoren Cradle for injectors |
| 07/27/2005 | CN2712937Y Furnace bottom air feeder for converter bottom with filtering function |
| 07/27/2005 | CN2712936Y Slag free tapping converter |
| 07/27/2005 | CN1646709A Lance for injecting particulate material into liquid metal |
| 07/27/2005 | CN1646708A Injection of solids into liquids by means of a shrouded supersonic gas jet |
| 07/27/2005 | CN1646707A Method and installation for producing stainless steel, especially high-quality steel containing chromium or nickel chromium |
| 07/27/2005 | CN1644748A High-sulphur abrasion-resistant casting steel and production thereof |
| 07/27/2005 | CN1644743A Hot rolled steel plates with excellent machinability, fatigue strength and surface appearance |
| 07/27/2005 | CN1644713A Effective integrated slag for deoxidising, slag cleansing and externally refining for steelmaking and its use |
| 07/27/2005 | CN1644712A Double channel cluster fluidic oxygen gun process and nozzle for converter steelmaking |
| 07/27/2005 | CN1212408C Carburant for steel-making and producing process and method of using thereof |
| 07/27/2005 | CN1212407C Carbon-iron heat generating agent for steel-making and producing method and method of using thereof |
| 07/26/2005 | US6922251 Measurement of the wear of the fireproof lining of a metallurgical vessel |
| 07/26/2005 | US6921497 Composition of matter tailoring: system I |
| 07/26/2005 | US6921425 Model-based system for determining process parameters for the ladle refinement of steel |
| 07/21/2005 | WO2005066375A1 Retaining device for flushing elements |
| 07/21/2005 | US20050155673 High strength hot rolled steel sheet superior in workability, fatigue property, and surface quality |
| 07/21/2005 | US20050155457 Method and device for the continuous production of steel using metal charge material |
| 07/21/2005 | DE10207202B4 Verfahren zur metallurgischen Verwertung von metallhaltigen Schlämmen und Stäuben A method for metallurgical recovery of metal-containing dusts and sludges |
| 07/21/2005 | DE102004040494B3 Operation of steelmaking electric arc furnace during tapping stage includes the supply of electrical energy to electrodes during this stage |
| 07/20/2005 | CN1643325A Control of refractory wear |
| 07/20/2005 | CN1643168A Method for treating alloyed carbonic iron smelts used for the production of steel |
| 07/14/2005 | WO2005024069A3 Tapping device for a crucible, especially for a converter |
| 07/14/2005 | DE10392661T5 Kontinuierliches Stahlherstellungsverfahren in einem Elektro-Lichtbogenofen und dazu vorgesehene Anlage sowie Schlackezusammensetzung zur dortigen Verwendung Continuous steelmaking process in an electric arc furnace and provided for this purpose facility and slag composition for local use |
| 07/14/2005 | DE10208903B4 Ofen zum Umschmelzen eines Titanblocks Furnace for remelting a titanium block |
| 07/13/2005 | EP1553196A1 Ferronickel and process for producing raw material for ferronickel smelting |
| 07/13/2005 | EP1553192A2 Mounting device for an burner or lance in a melting furnace |
| 07/13/2005 | EP1552291A2 Method for online measurement of molten phases |
| 07/13/2005 | CN2709457Y Composite tapping hole |
| 07/13/2005 | CN1639362A Method for production of metallic elements of high purity such as chromes |
| 07/13/2005 | CN1639359A Method and apparatus for supplying solid feed materials for a direct smelting process |
| 07/07/2005 | WO2005061740A1 Mixture for making steel |
| 07/07/2005 | US20050145071 System for optically analyzing a molten metal bath |
| 07/07/2005 | DE3905486B4 Schmelzofen und Beschickungsverfahren für denselben Melting furnace and charging method for the same |
| 07/06/2005 | CN2707766Y Steel making converter oxygen-rich spray repairing machine |
| 07/06/2005 | CN1209470C Oxygen gun repairing device |
| 06/30/2005 | WO2005059527A1 Method for analysis of a fused material device and dipping sensor |
| 06/30/2005 | WO2005059185A1 Temperature sensing stopper rod |
| 06/30/2005 | WO2005025774A3 Method and apparatus for optimized mixing in a common hearth in plasma furnace |
| 06/30/2005 | US20050138964 Facility for melting dusts |
| 06/29/2005 | EP1548415A1 Sleeve for sensor for measurements in liquid such as liquid metals |
| 06/29/2005 | CN1633508A Method and device for the continuous production of steel using metal charge material |
| 06/29/2005 | CN1208475C Direct smelting process |
| 06/29/2005 | CN1208276C Method for oxidizing treatment of steel works slag and resulting LD slag |
| 06/28/2005 | US6911176 Cooling element |
| 06/28/2005 | US6910431 Burner-lance and combustion method for heating surfaces susceptible to oxidation or reduction |
| 06/28/2005 | CA2366544C Plug members for steel furnaces |
| 06/23/2005 | WO2005056840A1 Process for effectively removing slag from molten iron and apparatus therefor |
| 06/23/2005 | WO2005017233A3 Insulated cold hearth for refinning metals having improved thermal efficiency |
| 06/23/2005 | US20050132827 Carrier tube for sensors |
| 06/23/2005 | DE10352628A1 Determining melt bath level of successive pig iron charges in electric arc furnace producing steel, tilts furnace and returns it to operating position, to take measurements |
| 06/23/2005 | CA2549551A1 A high efficient method of slagging-off for liquid iron and a device for implementing said method |
| 06/22/2005 | CN1629323A Electric furnace high voltage and large oxygen quantity foam slag smelting method |
| 06/22/2005 | CN1628925A Carrier tube for sensors |
| 06/22/2005 | CN1207400C Direct smelting process and container therefor |
| 06/17/2005 | CA2485057A1 Carrier tube for sensors |
| 06/16/2005 | WO2005053879A1 Device for automatically coupling a metallurgical ladle to at least two gas intake ports |
| 06/16/2005 | US20050127581 Supplying solid feed materials for a direct smelting process |
| 06/16/2005 | DE102004027440B3 Process to optimize the geometry of a passage transporting molten metal from a converter furnace to an extrusion assembly involves using a discharge passage which conforms to a specific mathematical formula |
| 06/15/2005 | EP1377689B1 Apparatus for injecting gas into a vessel |
| 06/15/2005 | CN1626682A Converter refined slaging medium and slagging technique |
| 06/15/2005 | CN1206374C Porous agglomerates containning iron and at least one further element from groups 5 or 6 of the periodic table for use as alloying agent |
| 06/15/2005 | CN1206373C Method and use of calcium nitrate for foaming of steel-making slags |
| 06/15/2005 | CN1206370C Apparatus and process to extract heat and solidify molten material particles |
| 06/15/2005 | CN1206369C Method for producing pozzolanic binders for cement industry from steel slags using reduction metal bath |
| 06/09/2005 | WO2005052196A2 Method for pre-heating, transforming and melting a metal charge and relative plant |
| 06/09/2005 | DE10360827B3 Holding device for a rinsing element for a metallurgical vessel useful in secondary metallurgical treatment of metal melts has curved metal pieces |
| 06/09/2005 | DE10347947A1 Industrieofen und zugehöriges Düsenelement Industrial furnace and associated nozzle member |
| 06/09/2005 | DE102004027531B3 Coupling for metallurgical vessel, especially a steel casting ladle useful for connecting a metallurgical ladle to a gas scavenging line includes a pan-shaped first and second coupling part with two gas inlet channels and gas exit channels |
| 06/08/2005 | EP1537925A1 Device for automatic coupling of a casting ladle to at least two gas conduits |
| 06/08/2005 | EP1414759B1 Method of preparing a fiberizable melt of a mineral material |
| 06/08/2005 | CA2509137A1 Gas flushing device for metallurgical melting pots |
| 06/02/2005 | DE10064048B4 Schlackenstopper Slag stopper |
| 06/01/2005 | EP1534419A1 Propulsive nozzle injection method in fluidised bed reactors |
| 06/01/2005 | CN1621538A Production method for reducing and fining the high-carbon chromium bearing steel D-type impurity |
| 06/01/2005 | CN1204274C Method and device for preventing slag from flowing along when tapping molten metal |
| 05/26/2005 | US20050110202 Injection lance |
| 05/26/2005 | US20050109161 Circulating the steel between a container and a vacuum container, impacting the top surface of the steel bath in the vacuum container with a compact, high speed oxygen blow stream that oxidizes the carbon to form carbon monoxide and carbon dioxide |
| 05/25/2005 | EP1533389A1 Tiltable metallurgical vessel |
| 05/25/2005 | EP1532281A1 Cooling plate for metallurgic furnaces |
| 05/25/2005 | DE10350959A1 Recovery of metallic elements, especially Cr from metal-containing slags used in the production of Cr-containing steels |
| 05/25/2005 | CN1619244A Method and device for determining height of smelting tank when continuously feeding cast iron in arc furnace |
| 05/25/2005 | CN1203196C End point controlling process for smelting low carbon steel in electric furnace |
| 05/25/2005 | CN1203195C Converter oxygen blowing method and upward blowing lance for converter oxygen |