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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02/26/1986 | EP0172785A1 Metallurgical vessel |
02/25/1986 | US4572482 Fluid-cooled metallurgical tuyere |
02/18/1986 | CA1200692A1 Permeable refractory element for the injection of a stirring fluide into a molten metal bath |
02/12/1986 | EP0170900A1 Process for the removal of contaminating elements from pig- iron, steel, other metals and metal alloys |
02/11/1986 | US4569508 Metallurgical vessel having an opening and a flange around the opening |
02/11/1986 | US4569237 Method of sampling molten metal |
02/11/1986 | CA1200383A1 Method for protecting tuyeres for refining a molten iron |
02/05/1986 | EP0046811B1 Process for recovering co-rich off-gas in metal smelting |
02/04/1986 | US4568386 Process for purifying metals by insufflation and product produced thereby |
02/04/1986 | CA1200095A1 Gas blowing nozzle, and production and usage thereof |
01/30/1986 | WO1986000695A1 Device for the injection of gases into molten metals and minerals |
01/28/1986 | US4566343 Sampling and/or measuring apparatus for immersion in molten metal |
01/22/1986 | EP0169100A1 Wall electrode of a metallurgical vessel in contact with a melted metal |
01/21/1986 | US4566108 Bottom-electrode arrangement for a direct-current arc furnace |
01/21/1986 | US4565355 Flushing arrangement for a metallurgical vessel |
01/21/1986 | CA1199702A1 Process for the decarburization of molten metal |
01/21/1986 | CA1199504A1 Process and device for refining molten metal containing coolant solids |
01/21/1986 | CA1199500A1 Method and apparatus for pneumatic feeding of additives into converters |
01/21/1986 | CA1199499A1 Refining of ferrochromium metal |
01/15/1986 | EP0167915A1 Reactor iron making |
01/15/1986 | EP0167895A1 Process and installation for the production of steel from scrap |
01/14/1986 | US4564951 Cooling arrangement of a bottom electrode for a direct-current arc furnace |
01/14/1986 | US4564950 Guard arrangement for a bottom electrode of a direct-current arc furnace |
01/14/1986 | US4564390 Decarburizing a metal or metal alloy melt |
01/14/1986 | US4564388 Method for continuous steelmaking |
01/14/1986 | US4563958 Furnace charge preheater |
01/08/1986 | EP0167515A1 Electric furnace |
01/08/1986 | EP0167037A1 Bottom electrode for pouring ladles |
01/08/1986 | EP0063569B1 Method for the production of steel in a basic iconverter using slag |
01/07/1986 | CA1198900A1 Method and apparatus for treating liquid metal in a vessel |
01/02/1986 | EP0166646A1 Installation for the production of steel by preliminary refining of pig iron |
12/31/1985 | US4561638 Installation with a refractorily lined metallurgical vessel |
12/31/1985 | US4561637 Process and apparatus for heating a steel bath charged with scrap |
12/31/1985 | US4561466 Valve for supplying flow media |
12/31/1985 | CA1198571A1 Monolithic refractory layer for metallurgical vessels and method of application |
12/24/1985 | US4560406 Aluminum as reducing agent and calcium oxide as slag forming agent to allow simultaneous reduction and desulfurization |
12/24/1985 | US4560314 Magazine arrangement for measuring and/or sampling probes |
12/18/1985 | EP0165198A2 Lance for accelerating solid particles |
12/18/1985 | EP0164878A2 Method of operating metallurgical furnace |
12/17/1985 | US4559629 Procedure and means for preheating scrap to be charged into a smelting furnace |
12/17/1985 | US4558791 Furnace delining apparatus |
12/17/1985 | CA1197985A1 Method of treating ferrous metal |
12/17/1985 | CA1197971A1 Metallurgical vessel having an opening and a flange around the opening |
12/11/1985 | EP0164331A2 Arrangement for cleaning the lance head of a lance introducible into a metallurgical vessel |
12/11/1985 | EP0163784A1 Two stage deoxidation process in steel-making |
12/10/1985 | US4557758 Steelmaking process |
12/10/1985 | CA1197689A1 Process for making steel from direct-reduced iron |
12/10/1985 | CA1197681A1 Metallurgical vessel |
12/04/1985 | EP0162949A1 Method and apparatus for measuring slag-forming conditions within converter |
11/27/1985 | EP0162679A1 Composition and process to create foaming slag cover for molten steel |
11/26/1985 | US4555267 Making steel from scrap |
11/26/1985 | CA1197289A1 Probe and a system for detecting wear of refractory wall |
11/26/1985 | CA1197096A1 Porous plug for molten metal vessel |
11/21/1985 | EP0161950A1 Installation and process for the continuous charging of a reactor vessel with solids, preheated by the waste gases of the reactor vessel |
11/19/1985 | US4553743 Elevated device for placing slag retention means in tapping converters |
11/13/1985 | EP0160690A1 Ld-converter with post combustion |
11/12/1985 | US4552587 Method of operating ladle refining furnace |
11/12/1985 | US4552343 Combination electric furnace and slag retaining pouring spout |
11/12/1985 | US4552342 Method and apparatus for preheating and charging scrap in steelmaking |
11/12/1985 | US4552334 Flow change-over valve for the blowing of fluids into molten metal vessel |
11/10/1985 | CN85100842A Swirl coaldust-oxygen gun for intensifying electric furnace smelting |
11/07/1985 | WO1985004905A1 Process for controlling slag chemistry in a refining vessel |
11/06/1985 | EP0160376A2 Method for producing steel in a top oxygen blown vessel |
11/06/1985 | EP0160375A2 System and method for producing steel in a top-blown vessel |
11/06/1985 | EP0160374A2 Method for producing steel in a top-blown vessel |
11/06/1985 | EP0160185A1 Tiltable metallurgical furnace vessel |
11/05/1985 | US4551175 Method for controlling slag chemistry in a refining vessel |
11/05/1985 | US4551174 Method of refining molten steel by arc process |
11/05/1985 | US4551173 Method for adjusting composition of molten steel in arc process |
11/05/1985 | US4550898 Air cooled refractory lance |
10/30/1985 | EP0159971A1 A blast pipe |
10/30/1985 | EP0159517A1 Rapid decarburization steelmaking process |
10/29/1985 | US4550413 Symmetrical current conductor system for a DC arc furnace |
10/23/1985 | EP0158937A1 Method to obtain a regular erosion of the walls of a direct current arc furnace, and furnace for executing this method |
10/23/1985 | EP0158803A2 Installation for lining metallurgical vessels, especially steel plant converters |
10/23/1985 | EP0158762A1 Production of alloy steels using chemically prepared V2O3 as a vanadium additive |
10/22/1985 | US4549301 Direct-current electric-arc furnace and method of operating same |
10/22/1985 | CA1195507A1 Production of steel |
10/15/1985 | CA1195363A1 Gas-entrained particulate |
10/15/1985 | CA1195123A1 Method for the recovery of iron units from flue dust generated in a steel making process |
10/09/1985 | EP0157104A1 Method and apparatus for the heating and melting of materials |
10/08/1985 | US4545815 Injection oxygen under vacuum |
10/08/1985 | US4545786 Apparatus for gasifying solid carbonaceous materials |
10/02/1985 | EP0156706A1 Process for refining metals by injection |
10/02/1985 | EP0156126A2 Hearth, in particular for a DC arc furnace |
10/01/1985 | US4544405 Decarbonization in convertor before ladle treatment |
10/01/1985 | US4543838 Arrangement for exchanging measuring and/or sampling probes |
10/01/1985 | CA1194302A1 Gas injection nozzle for metallurgy converter |
09/26/1985 | WO1985004193A1 Production of alloy steels using chemically prepared v2o3 as a vanadium additive |
09/24/1985 | US4543125 Process of making steel in converter using a great amount of iron-bearing cold material |
09/24/1985 | US4543124 Apparatus for continuous steelmaking |
09/24/1985 | CA1193843A2 Method of preparing a vessel for treatment of liquid metal therein |
09/18/1985 | EP0155255A2 A flushing arrangement for a metallurgical vessel |
09/17/1985 | US4541865 Continuous vacuum degassing and casting of steel |
09/17/1985 | US4541863 Method for the treatment of phosphuretted slag |
09/17/1985 | US4541659 Permanently sealed threadless joint |
09/17/1985 | US4541617 Lance structure for oxygen-blowing process in top-blown converters |
09/17/1985 | CA1193442A1 Steelmaking |
09/11/1985 | EP0154016A1 Part consisting of refractory material |
09/10/1985 | US4541099 DC Arc furnace improved hearth construction |