| 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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| 09/07/2007 | CA2642707A1 Direct smelting plant |
| 09/07/2007 | CA2642667A1 Direct smelting plant |
| 09/06/2007 | US20070205542 Process for denoxification of off-gases from annealing and pickling lines, and an annealing and pickling line, especially for stainless steel hot or cold strip |
| 09/06/2007 | DE102006007979A1 Brenner Burner |
| 09/05/2007 | EP1828424A1 Method of degassing molten metal |
| 09/05/2007 | EP1828423A2 Metallurgical vessel with fixing system |
| 09/05/2007 | EP1673482B1 Retaining device for flushing elements |
| 09/05/2007 | CN101029345A Production of low-phosphor electroslag melt steel |
| 09/05/2007 | CN100335659C Smelting method of phosphorus containing steel |
| 08/30/2007 | DE202007009161U1 Sauerstofflanze zum Einblasen von Sauerstoff in metallurgische Behälter Oxygen lance for blowing oxygen into metallurgical containers |
| 08/29/2007 | EP1287169B1 Method and apparatus for delivering metallurgically improved molten metal |
| 08/29/2007 | CN100334245C Smelting production method of extra pure high carbon chromium bearing steel |
| 08/29/2007 | CN100334232C Steel smelting process of core bar for rolling seamless steel pipe |
| 08/28/2007 | US7261773 Melting crucible |
| 08/23/2007 | US20070194505 Direct smelting plant and process |
| 08/23/2007 | DE112005001845T5 System zum Einspritzen von Gas beziehungsweise von Gas und Pulver in flüssige Metalle durch ein hitzebeständiges Drehstrahlrohr System for injecting gas or gas and powder in liquid metals by a heat-resistant rotary jet |
| 08/22/2007 | CN2937149Y Expansion type joint coating oxygen lance |
| 08/22/2007 | CN101023311A Smelting apparatus |
| 08/22/2007 | CN101023188A Apparatus for injecting solid particulate material into a vessel |
| 08/22/2007 | CN101020939A Method of and device for setting carbon, temperature and oxygen detecting probe in steel making converter |
| 08/21/2007 | US7258831 Injector-burner for metal melting furnaces |
| 08/16/2007 | WO2007091700A1 Method of denitrifying molten steel |
| 08/15/2007 | CN2934252Y New type bottom single-spray granulated magnesium desulfurization ejection gun |
| 08/15/2007 | CN2934251Y Revolving furnace movable smoke guard sealing arrangement |
| 08/15/2007 | CN101016576A Method and device of detecting slag state of oxygen top-blown converter based on oxygen gun vibration |
| 08/09/2007 | WO2007087979A1 Method for the production of a foamed slag in a metal bath |
| 08/09/2007 | US20070180955 Recovery of steel from contaminated scrap |
| 08/09/2007 | DE10149367B4 Verfahren und Wechseleinrichtung zum Aus- oder Einbauen von Baugruppen eines Elektrolichtbogenofens Method and device for removing or installing exchange of components of an electric arc furnace |
| 08/08/2007 | CN2932448Y DSP-based intelligent electric arc furnace steel-making control device |
| 08/08/2007 | CN1330777C Water cooling structure of converter oxygen gun |
| 08/08/2007 | CN101012525A Method for producing low-oxygen high-carbon and high-chromium bearing steel by revolving furnace continuous casting technology |
| 08/08/2007 | CN101012488A Conical bubble brick |
| 08/08/2007 | CN101012487A Auxiliary-gun clamping-centering-locating device for revolving furnace steel production |
| 08/07/2007 | US7252793 Composition of matter tailoring: system I |
| 08/02/2007 | WO2007065582A3 Conveying system, combined system, and method for coupling metallurgical processes |
| 08/02/2007 | US20070176335 Poured molten metal quantity control device |
| 08/02/2007 | DE10215828B4 Verfahren und Einrichtung zum Erzeugen von nichtrostendem Stahl, insbesondere von chrom- oder chromnickelhaltigem Edelstahl Method and apparatus for producing stainless steel, particularly of chrome or stainless steel chromnickelhaltigem |
| 08/02/2007 | DE102006004532A1 Production of foam slag in a metallic melt in a metallurgical oven comprises adding a mixture containing metal oxide and carbon to the oven so that a required foam slag height is reached |
| 08/01/2007 | EP1813919A1 Device for determining the interface between slag and metal melt |
| 08/01/2007 | CN2929621Y Accelerator of electric furnace wall carbon gun spray powder |
| 08/01/2007 | CN2928865Y Slag blocking machine for blocking converter steel discharge outlet |
| 08/01/2007 | CN1329530C Molten iron vanadium-extracting calcium-controlling coolant and process therefor |
| 08/01/2007 | CN101008065A Production process for grade II screw thread reinforced bar |
| 08/01/2007 | CN101008041A Welding-free high temperature-resistant coating oxygen blowpipe |
| 07/31/2007 | US7250071 Method of manufacturing austenitic stainless steel having less susceptibility to cracking during forming |
| 07/31/2007 | CA2399883C Use of rice hull ash in steelmaking |
| 07/31/2007 | CA2169499C Device and method for the automatic coupling of a teeming ladle to one or more gas pipes |
| 07/26/2007 | US20070170625 Thermal lance assembly |
| 07/26/2007 | DE102006018931B3 Feed system for gas flushing of metallurgical vessels comprises gas pipe enclosed in larger refractory pipe which also encloses cooling pipe with perforations, through which cool air flows |
| 07/26/2007 | DE102005061675B3 Konverter mit einem Behälter zur Aufnahme geschmolzenen Metalls und einer Messvorrichtung zur optischen Temperaturbestimmung des geschmolzenen Metalls Converter with a container for receiving molten metal and a measuring device for optically determining the temperature of the molten metal |
| 07/25/2007 | EP1811046A1 Vortex inhibitor with sacrificial rod |
| 07/25/2007 | EP1809774A2 Production of stainless steel of aisi 4xx grade ferritic steel in an aod converter |
| 07/25/2007 | CN2926247Y Guide connecting structure of slag bridge |
| 07/25/2007 | CN101006752A Method and device for operating an electric-arc furnace |
| 07/25/2007 | CN101006314A Equipment for measurement and control of load material or scrap feeding into a furnace and relative method |
| 07/25/2007 | CN101003845A Maintenance and clinker removal method of sub lance for converter dual blown from top and bottom, and equipment |
| 07/25/2007 | CN101003844A Slag forming element in use for refining molten steel, production method, and slagging method |
| 07/25/2007 | CN101003697A Insulator for steel slag in high temperature |
| 07/19/2007 | US20070164491 Tapping pipe |
| 07/18/2007 | CN1327006C Method of smelting high nitrogen steel using additional cathode glow discharging |
| 07/18/2007 | CN101002080A Non-contact exhaust gas measurement by means of FTIR spectroscopy on metallurgical plants |
| 07/18/2007 | CN100999771A Low density converter steel tapping slag bridge |
| 07/18/2007 | CN100999770A Production tech. of low carbon low silicon aluminium killed steel |
| 07/12/2007 | US20070158884 Immersion nozzle for continuous casting and continuous casting method using the immersion nozzle |
| 07/11/2007 | EP1805330A1 Tapping tube for a metallurgical fusion pot |
| 07/11/2007 | CN1995406A Method for smelting suprelow carbon steel using ordinary arc furnace |
| 07/11/2007 | CN1995405A Processing method of combined blowing from top and bottom for maintaining converter and removing cohered steel slag |
| 07/11/2007 | CN1995404A Mono-slag converter process for producing high carbon low-phosphorus molten steel |
| 07/11/2007 | CN1995403A Double-slag converter process for producing high carbon low-phosphorus molten steel |
| 07/05/2007 | WO2007074970A1 Method for manufacturing ferritic stainless steel slabs with equiaxed grain structures and the ferritic stainless steel manufactured by it |
| 07/05/2007 | US20070152387 Molten metal transporting container |
| 07/05/2007 | US20070152386 Refining method and refining apparatus for chromium-contained molten steel |
| 07/04/2007 | CN1993484A Discharging hole for molten metal in molten metal container, method of operating converter with the discharging hole, and sleeve exchanging device at discharging hole of molten metal |
| 07/04/2007 | CN1990137A Technique for preventing surface crack of continuous casting steel billet for petroleum casing |
| 07/04/2007 | CN1324156C Refining ferroalloys |
| 07/04/2007 | CN1324150C Slag from aluminum smelting for making clean steel and method for preparing same |
| 07/03/2007 | US7238297 Composition of matter tailoring: system I |
| 07/03/2007 | CA2288504C Immersion measuring probe for measurement in liquids |
| 06/28/2007 | WO2007072253A1 Compensation system and method for arc skewing for a dc arc furnace |
| 06/27/2007 | EP1799869A2 Method for controlling a molten metal bath bubbling in a metallurgical vessel and a device for carrying out said method |
| 06/27/2007 | CN1986837A Integral furnace apron slag baffle |
| 06/26/2007 | CA2137372C Slide gate valve having a cementless joint between the valve and a metallurgical vessel |
| 06/21/2007 | US20070138715 Elongated stopper device |
| 06/21/2007 | US20070138714 Device for melting down metal-containing material |
| 06/21/2007 | US20070137436 Method for the thermal treatment of raw materials and a device for carrying out said method |
| 06/21/2007 | DE102005060432A1 Spülkegel Flushing cones |
| 06/20/2007 | EP1797204A1 Apparatus for injecting solid particulate material into a vessel |
| 06/20/2007 | EP1678333B1 Tapping tube |
| 06/20/2007 | EP1611061B1 Device and method for casting and drawing out molten iron-containing and mineral materials |
| 06/20/2007 | EP1373583B1 Device for preventing slag from flowing along when tapping a molten metal |
| 06/20/2007 | CN2913381Y Combined forging and pressing oxygen lance nozzle |
| 06/20/2007 | CN1985011A Method and installation for producing and increasing the annual production yield of large-scale steel products or high-quality steel products in a two-vessel installation |
| 06/20/2007 | CN1985010A Refining molten metal |
| 06/19/2007 | US7232544 Apparatus for continuous slag treatment of silicon |
| 06/14/2007 | WO2007067650A2 Furnace material detection system for a metal making lance |
| 06/14/2007 | WO2007065582A2 Conveying system, combined system, and method for coupling metallurgical processes |
| 06/14/2007 | US20070132162 Impact pad for metallurgical vessels |
| 06/14/2007 | US20070132161 Process for keeping a tuyere passing through a metallurgical vessel free of a skull |
| 06/14/2007 | CA2632075A1 Conveyor system, composite system and method for coupling metallurgical methods |
| 06/13/2007 | CN2910958Y Spiral pushing-off apparatus for high-temp. material from rotary hearth furnace |