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)
12/2004
12/09/2004	US20040245682 Method for refining molten iron containing chromium
12/09/2004	US20040244532 Ladle refinement of steel to be directly cast into thin steel strip in a continuous strip caster
12/09/2004	US20040244530 modeling methods for controlling foamy slag in an electric arc furnace to maximize energy transfer to the slag
12/09/2004	DE10323507A1 Verfahren zur Rückgewinnung von metallischen Elementen, insbesondere metallischem Chrom, aus metalloxidhaltigen Schlacken im Elektrolichtbogenofen Process for the recovery of metallic elements, particularly metallic chromium, from slags containing metal oxide in the electrical arc furnace
12/09/2004	DE10323505A1 Verfahren zur Erzeugung einer Schaumschlacke auf hochchromhaltigen Schmelzen in einem Elektroofen A method for generating a foamed slag on high chromium melts in an electric furnace
12/08/2004	EP1414546B1 Process to recover energy from hot gas
12/08/2004	CN1553965A Converter gearing
12/08/2004	CN1553964A Method and apparatus for practicing carbonaceous-based metallurgy
12/08/2004	CN1552919A Converter oxide and nitrogen top-blown dephosphorizing method
12/07/2004	CA2245668C Gas-flushing base for metallurgical vessels
12/02/2004	WO2004104233A1 Method for recovering metallic elements, especially metallic chromium, from slag containing metal oxides in an electric-arc furnace
12/02/2004	WO2004104232A1 Method for producing foamed slag on high-chromium melts in an electric furnace
12/02/2004	WO2004104231A2 Method and device for treating melt metals by means of a refining oxygen-based agent
12/02/2004	WO2004090173A8 Direct smelting plant
12/02/2004	US20040241446 hollow refractory particles whose content is 50 to 94% by weight, clay and a liquid binder; prevents oxidation of surface;
12/02/2004	US20040239017 Arc furnace and method for operating this arc furnace
12/02/2004	US20040239015 Deskulling lance
12/02/2004	US20040239014 Metallurgical oven and a material basket for a metallurgical oven
12/01/2004	EP1481101A1 Method and device for the continuous production of steel using metal charge material
12/01/2004	EP1481100A1 Method for the production of stainless steel, particularly high-grade steel containing chrome or chrome nickel
12/01/2004	EP1259651B9 System for producing steel
12/01/2004	CN1550558A Process and apparatus for automatically controlling slag foaming
12/01/2004	CN1178554C Process and apparatus for automatically controlling slag foaming
11/2004
11/25/2004	WO2004101829A2 Method and apparatus for improved use of primary energy sources in integrated steel plants
11/25/2004	WO2004101828A1 Method for utilizing slag
11/25/2004	US20040236445 Primary products production system and method
11/25/2004	US20040231458 metals and alloys exhibiting long-range ordering and unique electronic character; x-ray fluorescence spectrometry; silicon, aluminum, copper, nickel, chromium, manganese, iron, cobalt, nickel, copper, zinc, or their alloys
11/25/2004	CA2525926A1 Process for the utilization of slag
11/24/2004	EP1269796A4 Process and apparatus for automatically controlling slag foaming
11/24/2004	EP1252348B1 Iron-nickel alloy production
11/24/2004	EP1214162B1 Gas purge plug for metallurgical melt containers
11/23/2004	CA2283070C Integrated direct reduction iron system
11/18/2004	WO2004074521A3 Hot material conveyor
11/18/2004	US20040226406 utilizing the chemical values of the gases produced by blast furnaces, blast oxygen converters and coke ovens within a steel plant with advantages in energy efficiency and decreased environmental impact as measured by the amount of CO2 released
11/17/2004	EP1476584A1 Method for deep decarburisation of steel melts
11/17/2004	EP1476405A1 Facility for melting dusts
11/17/2004	EP1228251B1 Method and device for melting down finely particulate material containing metal, such as sponge iron
11/17/2004	EP1181492A4 Electric arc furnace for continuous charging
11/17/2004	CN2656428Y Oxygen gun spray head for converter
11/17/2004	CN1546259A Melted iron highly performance slag digging method and dedicated apparatus therefor
11/17/2004	CN1176007C Process for producing hydrogen by utilizing gas from steel-melting as raw material
11/16/2004	US6819705 Induction furnace
11/16/2004	US6818175 System for producing steel
11/11/2004	WO2004097054A1 Cooling system for a trunnion ring of a tilting or tipping metallurgical furnace vessel
11/11/2004	WO2004079019A3 Gas bubbling element and corresponding gas bubbling system
11/11/2004	DE10317195A1 Verfahren zur Verbesserung der Energiezufuhr in ein Schrotthaufwerk A method for improving the energy supply in a heap of scrap
11/10/2004	EP1474537A1 Model-based system for determining process parameters for the ladle refinement of steel
11/10/2004	CN2654617Y Steel outlet expanding drill
11/10/2004	CN1545606A Metallurgical oven and a material basket for a metallurgical oven
11/10/2004	CN1545563A Lining of the cone of a converter
11/10/2004	CN1544388A Aluminium and / or zirconium carbon system air permeable brick
11/09/2004	CA2302214C Oxygen-fuel boost reformer process and apparatus
11/04/2004	WO2003089676A8 Iterative cycle process for carbon supersaturation of molten metal and solid metals obtained thereby
11/04/2004	US20040218657 Method and device for equalizing the pressures in the melting chamber and the cooling water system of a special melting unit
11/04/2004	US20040217526 Metal melting furnace
11/04/2004	US20040217525 Cooling system for a trunnion ring and metallurgical furnace vessel
11/03/2004	EP1472028A1 Device and method for unplugging a molten metal discharge port
11/02/2004	US6811742 Sampler for melts
10/2004
10/28/2004	WO2004092422A2 Method for improving energy supply to a scrap metal pile
10/28/2004	US20040214125 Transfer of hot feed materials from a preprocessing plant to an electric smelting or melting furnace
10/28/2004	US20040213318 Burner and/or lance mounting assembly
10/28/2004	US20040211496 vessels comprising reaction bonded silicon nitride used for solidification of crystal structured silicon castings; crystallization
10/28/2004	US20040211293 vapor-phase reduction of metal halides to form steel in sponge or powder form; hot isotatic pressing, forging, pressing and sintering, or containered extrusion; to produce a gas turbine component
10/27/2004	EP1471155A2 Method for fabricating a martensitic steel without any melting
10/27/2004	CN1541132A Process to recover energy from hot gas
10/27/2004	CN1539999A Oxygen core lance having high temperature coating
10/26/2004	US6808550 Deoxidizing molten steel within the ladle(having predefined % of sulfur); desulfurizing the molten steel within the ladle after deoxidation, followed by reoxidatin, determining melting point of inclusions
10/21/2004	WO2004090174A1 Direct smelting plant and process
10/21/2004	WO2004090173A1 Direct smelting plant
10/21/2004	DE10315007A1 Vorrichtung und Verfahren zum Abgießen und Abzapfen von flüssigen Eisen- und Mineralstoffschmelzen Apparatus and method for casting and tapping of liquid iron and mineral melts
10/20/2004	EP1469087A1 Method for reducing the amount of impurities in molten steel
10/20/2004	EP1468123A1 Method for production of metallic elements of high purity such as chromes
10/20/2004	EP1390549A4 Metal-zirconia composite coating
10/20/2004	CN2649601Y Slag pushing-off vehicle
10/20/2004	CN1539024A Method for direct metal making by microwave energy
10/20/2004	CN1538889A Method and apparatus for metal pouring
10/19/2004	US6805834 Pump for pumping molten metal with expanded piston
10/19/2004	US6805831 Mechanical waves generator system in a converter or pyrometallurgical furnace
10/19/2004	US6805724 Forming particulate reaction zones for the iron carbon melt; injecting a high velocity flow of particulates entrained in a carrier gas toward reaction zones from apparatus having a discharge end mounted near the intersection of sill line
10/14/2004	WO2004087588A1 Device and method for casting and drawing out molten iron-containing and mineral materials
10/14/2004	WO2004087330A1 Nozzle for spraying liquid substances, dispersions, emulsions, or suspensions
10/14/2004	WO2004007776A3 Injector-burner for metal melting furnaces
10/14/2004	US20040201142 Injection lance for uniformly injecting a steam/ammonia mixture into a fossil fuel combustion stream
10/14/2004	US20040200204 Process to recover energy from hot has
10/14/2004	DE10315386A1 Düse zum Versprühen von flüssigen Stoffen, Dispersionen, Emulsionen oder Suspensionen Nozzle for spraying liquid substances, dispersions, emulsions or suspensions
10/13/2004	EP1466022A1 Method for the pyrometallurgical treatment of metals, metal melts and/or slags and injection device
10/13/2004	CN1537218A 冷却元件 Cooling element
10/13/2004	CN1537174A Method for melting and decarburization of iron carbon alloy
10/13/2004	CN1536094A Connection device of movable smoke cover for converter
10/12/2004	US6803336 Furnace lining which has different sintering behavior over its thickness; mgo sinter and a reducing agent applied in sequential layers
10/12/2004	US6802887 Feeding gas which contains a condensable and/or evaporable component in the gaseous and/or liquid state entrained therein in which possible damage to the gas supply means is considerably reduced or prevented altogether.
10/07/2004	WO2004085341A1 Refractory composition and process for the repair of a hot refractory wall
10/07/2004	US20040194940 Heat exchanger system used in steel making
10/06/2004	EP1289902B1 Method for oxidising treatment of steel works slag and resulting ld slag
10/06/2004	EP1034420B1 Device for removing slag samples
09/2004
09/30/2004	WO2004083722A1 System for optically analyzing a molten bath
09/30/2004	WO2004083464A1 Method for a direct steel alloying
09/30/2004	US20040191712 Method and apparatus for improved process control in combustion applications
09/30/2004	CA2519016A1 System for optically analyzing a molten bath
09/29/2004	EP1462429A1 Refractory composition and process for the repair of a hot refractory wall

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