C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel

Patents for C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel (14,381)
12/2006
12/27/2006	CN2851271Y Compressed air jet-quenching device for use in converter
12/27/2006	CN1884600A Method for molten steel recarburization and vanadium alloying
12/27/2006	CN1884587A Modified electric oven slagging agent, production process and uses
12/27/2006	CN1884586A Method for direct steel-making from waste steel charging using converter blowing steam
12/27/2006	CN1292088C Hot rolled steel plates with excellent machinability, fatigue strength and surface appearance
12/27/2006	CN1292080C Method for treating slags on and iron bath
12/21/2006	WO2006133575A1 Anti-corrosion pigments coming from dust of an electic arc furnace and containing sacrificial calcium
12/21/2006	WO2006092549A3 Process and plant for gas-based direct steelmaking
12/21/2006	CA2611197A1 Anti-corrosion pigments coming from dust of an electic arc furnace and containing sacrificial calcium
12/20/2006	EP1734321A1 Process and shaft furnace for heating and melting down waste materials such as shredded scrap
12/20/2006	EP1226283B1 High temperature premelting apparatus
12/20/2006	CN1291044C Method for the pyrometallurgical treatment of metals, metal melts and/or slags and injection device
12/14/2006	WO2006131764A1 Manufacture of ferroalloys
12/14/2006	WO2006131464A1 Method for regulating the melting process in an electric-arc furnace
12/14/2006	WO2006131384A1 Smelting or reduction furnace, in particular electric arc furnace with an open, semi-closed or closed configuration
12/14/2006	US20060278042 Method of producing stainless steel by re-using waste material of stainless steel producing process
12/13/2006	EP1631404B1 Gas rinser with suitable slot-shaped canals
12/13/2006	EP1390549B1 Metal-zirconia composite coating
12/13/2006	CN2846430Y Percussion drill reaming device for convertor tapping hole
12/13/2006	CN1876853A Manganese carbon alloy ball for steel-making recarburization
12/13/2006	CN1876852A Gasification cooling flue for steel-making converter
12/13/2006	CN1876851A Mouth fixed section flue of gasification cooling flue for steel-making converter
12/13/2006	CN1876850A Direct iron making method utilizing waste furnace charge and converter steam blowing
12/07/2006	US20060273500 Industrial furnace and associated jet element
12/07/2006	US20060273499 Brick body for rotary nozzle
12/07/2006	US20060272453 Flex-flame burner and combustion method
12/06/2006	EP1728876A2 Extraction device for removing porous plug
12/06/2006	EP1728572A1 Ladle plugging method and applicator device
12/06/2006	EP1370501B1 Method for oxidizing treatment of steel plant slag to obtain cement-based materials
12/06/2006	CN2844130Y Automatic protector of tilting mechanism for steelmaking converter
12/06/2006	CN2844129Y Reversed conical-degree oxygen gun
12/06/2006	CN1873037A Method for smelting carbon dioxide corrosion resistant steel
12/05/2006	CA2379591C Metal refining method using differing refining oxygen sequence
12/05/2006	CA2303650C Multiple coherent jet lance
11/2006
11/30/2006	US20060266796 Method and a device for detecting slag
11/29/2006	EP1725688A1 Direct smelting plant
11/29/2006	CN2841669Y Cutting ferrule type converter anti-twist device
11/29/2006	CN1871364A Direct smelting plant and process
11/29/2006	CN1869271A Superhigh strength stainless steel and its manufacturing method
11/29/2006	CN1869270A Superhigh strength steel of atmospheric corrosion resisting and its manufacturing method
11/29/2006	CN1286998C High-purity ferroboron, a mother alloy for iron-base amorphous alloy, an iron-base amorphous alloy, and methods for producing the same
11/28/2006	US7140521 Nozzle for continuous casting
11/23/2006	WO2006089870A3 Melting plant and method for the production of steel
11/23/2006	WO2006089867A3 Device for loading a metal charge in a melting plant
11/23/2006	US20060260435 Method for producing foamed slag on high-chromium melts in an electric furnace
11/22/2006	EP1629699B1 Direct current arc furnace
11/22/2006	CN2839298Y Automatic regulator for steel ladle bottom argon-blowing system
11/22/2006	CN2839297Y Measuring device capable of on-line changing orifice meter
11/22/2006	CN2839296Y Steel-smelting furnace
11/22/2006	CN1867684A Industrial furnace and associated jet element
11/22/2006	CN1865455A Novel torpedo type iron ladle car leaning device
11/22/2006	CN1864879A A method for making semi-processed cold rolled silicon steel in thin slab continuous casting and continuous rolling process
11/15/2006	EP1721017A2 Method for producing low carbon steel
11/14/2006	US7135068 Injection into liquid slag of oxygen or a mixture of gases containing gaseous oxygen to mix and oxidise slag; addition to and dissolution in mixed liquid slag of a source of alumina and a source of lime and source of silica and/or iron; cooling
11/09/2006	US20060250614 Method for analysis of a molten material, device and immersion sensor
11/08/2006	EP1718776A1 Ironmaking and steelmaking
11/07/2006	US7132077 Method and apparatus for containing and ejecting a thixotropic metal slurry
11/07/2006	CA2078238C Reed and device for taking and analysing smoke and installation comprising such device
11/02/2006	WO2006113969A1 Forehearth
11/02/2006	DE102005028157A1 Process for production of rust-free steel of ferritic AlSi steel based on molten pig iron and FeCr-Fe solids, useful in production of rust-free pig iron, involving reduction of pig ion in AOD converter permits
11/01/2006	CN1856584A Method for collecting and treating reaction gases from a production plant for molten metal and dust-removing machine therefor
11/01/2006	CN1282752C Process and apparatus for producing metals and metal alloys
10/2006
10/31/2006	US7128247 Fire resistant ceramic part
10/26/2006	WO2006111579A1 Means for conveying material
10/26/2006	WO2006110949A1 Hot metal supply apparatus
10/26/2006	DE19903473B4 Lanzenhalter mit multifunktionalem Spannkopf Lance holder with multifunctional clamping head
10/26/2006	DE112004001991T5 Direktschmelzanlage und -verfahren Direct smelting plant and procedures
10/26/2006	DE102005018021A1 Centering assembly for gas scouring stone within nozzle brick also incorporates retraction shaker unit
10/26/2006	DE102005018020A1 Centering assembly for gas scouring stone within nozzle brick has link fitting to insertion/retraction rod
10/25/2006	EP1191110B1 Method for hydraulically controlling hydraulic opener
10/25/2006	CN2830413Y Level regulation floating idler roller of suspension slag rod throw-in device
10/25/2006	CN1851001A Method for direct making iron by converter using iron ore powder and anchracite duff batch briquette
10/25/2006	CN1851000A Method for direct making steel by converter using iron ore powder and anchracite duff batch briquette
10/25/2006	CN1850999A Method for direct making steel by converter using waste iron and steel furnace burden
10/25/2006	CN1850996A Method for direct making iron and steel by converter using waste iron and steel furnace burden
10/25/2006	CN1850377A Process for producing hot-rolled sheet for cold-rolling and punching
10/19/2006	WO2006108691A1 Equipment for measurement and control of load material or scrap feeding into a furnace and relative method
10/19/2006	CA2604767A1 Equipment for measurement and control of load material or scrap feeding into a furnace and relative method
10/18/2006	CN1847410A Converter fume cooling and dedusting method
10/18/2006	CN1280431C Equipment for hanging shell of converter
10/12/2006	WO2006107332A2 Linear hearth furnace system and methods regarding same
10/12/2006	WO2006105578A1 Apparatus for injecting solid particulate material into a vessel
10/12/2006	DE19848004B4 Vorrichtung zur Vermeidung von Kontamination des Abstichstahles durch Vorlaufschlacke bei einem kippbaren Konverter mit verbesserter Materialzusammensetzung Device to prevent contamination of the Abstichstahles by lead slag at a tiltable converter with improved material composition
10/12/2006	CA2603086A1 Linear hearth furnace system and methods regarding same
10/11/2006	CN2825121Y A device for spray-coating insulation material on surface of steel-making oxygen lance
10/11/2006	CN1844434A Steel for loader shovel tool blade and method for producing same
10/11/2006	CN1844411A Full homogeneous barium-containing skimming ball for steel making in converter
10/05/2006	WO2006103115A2 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
10/05/2006	WO2006103114A2 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
10/05/2006	US20060220282 Cyclone plug
10/05/2006	US20060220281 Online measurement of molten phases
10/05/2006	US20060219052 Method and a device for detecting slag
10/05/2006	DE102005015469A1 Cylindrical plug, for the temporary closure of a converter tap hole, is composed of a mixture of clay components and hydrocarbon compounds and a thermo set resin
10/05/2006	CA2602751A1 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
10/05/2006	CA2602744A1 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
10/04/2006	EP1409754A4 Method for direct metal making by microwave energy
10/04/2006	CN2823271Y Reamer for tap hole of steel smelting converter
10/03/2006	US7115227 Heat pipe
10/03/2006	CA2448992C Refractory repair material batch
09/2006
09/28/2006	WO2006050963A3 Production of stainless steel of aisi 4xx grade ferritic steel in an aod converter

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