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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12/28/1982 | US4365992 Method of treating ferrous metal |
12/21/1982 | CA1137758A1 Methods for controlling blowing, controlling the slag formation and predicting slopping in the blowing of molten pig in ld converter |
12/15/1982 | EP0067093A1 Process for treating phosphided slags |
12/15/1982 | EP0066775A1 Blow orifice or tuyere for injection of gas and/or of liquid or powdered material into molten metals |
12/14/1982 | US4363470 Gas-entrained particulate feed system |
12/08/1982 | EP0066539A1 Scrap heating apparatus |
12/07/1982 | US4362562 Method for taking samples from pig-iron melts |
12/07/1982 | US4362559 Method of introducing addition agents into a metallurgical operation |
12/07/1982 | US4362556 Arc furnace steelmaking involving oxygen blowing |
12/01/1982 | EP0065943A1 Process for the rapid drilling of a tap hole allowing for the realization of a refractory lining in the interior of a large-diameter hole |
11/30/1982 | CA1136421A1 Steelmaking process |
11/30/1982 | CA1136408A1 Method of installation or replacement of a gas- permeable refractory insert in the wall of a metallurgical container |
11/30/1982 | CA1136407A1 Movable charging emissions control hood for bof |
11/24/1982 | EP0065330A1 Cooling element for industrial furnaces |
11/17/1982 | EP0064863A1 Monolithic refractory layer for metallurgical vessels and method of application |
11/16/1982 | US4359211 Method of and apparatus for measuring level and characteristics of a slag layer overlying a metallurgical metal |
11/16/1982 | CA1135531A1 Sub-lance assembly for sampling and temperature-measuring of molten metal during refining thereof |
11/10/1982 | EP0064449A1 Apparatus for blowing an agitating gas into a converter for refining metals |
11/10/1982 | EP0064418A1 Steel manufacturing installation comprising a converter, a hood means and a blow lance |
11/09/1982 | US4358314 Metal refining process |
11/09/1982 | US4358313 Process for refining molten pig iron and steel |
11/09/1982 | US4358092 Exothermic reaction, system for supplying a reactant gas and a shielding fluid to a reactor, and control signal generating circuit for use in said system |
11/09/1982 | CA1135054A1 Metallurgical vessel |
11/03/1982 | EP0063669A1 Apparatus for aspirating secondary fumes in steel mills and foundries |
11/03/1982 | EP0063569A1 Method for the production of steel in a basic iconverter using slag. |
11/02/1982 | US4357160 Process for improving the use of heat in steel production from solid iron material |
10/27/1982 | EP0063201A1 Procedure to cool the walls of a skip to charge scrap, and skips for charging scrap |
10/27/1982 | EP0063182A1 Drive mechanism for metallurgical vessels, in particular for steel making converters |
10/26/1982 | US4356340 DC Arc furnace having a shielded arc |
10/26/1982 | US4356035 Oxygen feed, oxygen-free gas loaded with solids for slag formation andor heat supply |
10/26/1982 | US4356032 Method of dephosphorizing molten pig iron |
10/20/1982 | EP0062986A1 Lance for repairing refining vessel |
10/19/1982 | US4354670 Lining apparatus for metallurgical vessels, particularly for steel mill converters and/or blast furnaces |
10/19/1982 | CA1133720A1 Method for measuring temperature of molten metal received in vessel |
10/19/1982 | CA1133697A1 Metallurgical vessel suspension system |
10/13/1982 | EP0062548A1 Process for gas-stirring a metal bath |
10/13/1982 | EP0062498A1 Flame gunning of refractory linings |
10/13/1982 | EP0062217A1 Metallurgical lance |
10/12/1982 | US4353533 Bottom tuyeres in an oxygen top-blown converter |
10/12/1982 | US4353530 Method and apparatus for automatically punching the tuyeres of a converter |
10/06/1982 | EP0061987A1 Process and apparatus for treating molten metals in the framework of metallurgical processing |
10/06/1982 | EP0061749A1 A multi-step steelmaking refining method |
10/05/1982 | CA1133037A1 Method for determining weight of molten metal in situ |
09/22/1982 | EP0060305A1 Method for smelting using top-and bottom-blown converter |
09/15/1982 | EP0060069A1 A probe and a system for detecting wear of refractory wall |
09/15/1982 | EP0059764A1 Method for controlling bottom-blown gas in top-and bottom-blown converter smelting |
09/14/1982 | US4349382 Process for refining of a bath of metal containing cold solid substances |
09/08/1982 | EP0059459A1 Method of switching bottom-blown gases and apparatus therefor |
09/08/1982 | EP0059289A1 Tuyère |
09/07/1982 | US4348227 Process for producing steel with low hydrogen content in a through-blowing oxygen converter |
09/07/1982 | US4348013 Device of refractory porous material for blowing gas into a bath of liquid metal |
09/07/1982 | CA1131260A1 Carbon-containing refractory bricks |
09/07/1982 | CA1131032A1 Method for controlling the temperature of the melt during pneumatic refining of steel |
09/07/1982 | CA1131019A1 Exhaust hood apparatus for use with tilting furnace |
09/01/1982 | EP0058817A1 Contact electrode arrangement for arc or resistance melting furnaces |
09/01/1982 | EP0058774A1 Electric melting furnace arrangement as well as storage containers and charging devices therefor |
09/01/1982 | EP0058725A1 A blow-smelting process using a top-and bottom-blowing converter |
08/31/1982 | US4347614 Apparatus for refining ferrosilicon |
08/31/1982 | US4347079 Method of operating an open-hearth furnace |
08/31/1982 | CA1130569A1 Process for treating pig iron melts and steel melts or alloys |
08/31/1982 | CA1130560A1 Lance pipe for refining and refining process of molten metal |
08/25/1982 | EP0058251A1 Relining apparatus for metallurgical vessels, especially for steel making converters |
08/24/1982 | US4345747 Filling stand for pouring molten metal from a tiltable metallurgical vessel into a metallurgical ladle |
08/24/1982 | US4345746 Apparatus for refining ferrous melt with slag conditioning |
08/24/1982 | US4345530 Installation for burning-out scrap metal |
08/18/1982 | EP0057946A1 Tapping assembly for converters |
08/17/1982 | US4344608 Tilt drive coupling for steel making converter |
08/17/1982 | CA1129646A1 Fluid closure for and method of preventing flow through an opening in a fluid and particulate confining and conveying structure |
08/10/1982 | US4343459 Basic oxygen furnace construction |
08/04/1982 | EP0056944A2 Installation for injecting materials into a steel melt |
08/04/1982 | EP0056942A2 Installation for the holding and changing of immersion lances |
08/03/1982 | US4342633 Oxygen sensor |
08/03/1982 | US4342597 Coating compositions for liners of molten metal troughs and ladles |
08/03/1982 | US4342445 Self-aligning trunnion bracket for metallurgical vessels |
07/28/1982 | EP0056773A1 Continuously charged electric-arc furnace for melting scrap |
07/28/1982 | EP0056655A1 Oxygen passage structure in a supporting trunnion of a steel converter vessel |
07/27/1982 | CA1128306A1 Metallurgical vessels |
07/20/1982 | US4340420 Chromiferous product |
07/20/1982 | US4340208 Refractory piece permeable to gases |
07/14/1982 | EP0055956A1 Blowing lance for injecting an oxidising gas, especially oxygen, for treating metal melts |
07/06/1982 | US4337897 Process and device for producing the refractory lining of metallurgical vessels |
06/30/1982 | EP0055004A1 Process for processing moist compositions containing pollution-causing substances and composition |
06/22/1982 | US4336411 Molten metal heating, stirring and casting apparatus |
06/22/1982 | US4336064 Hydrocarbon scavenger used in refining melts |
06/16/1982 | EP0053802A1 Process and apparatus for protecting the tuyeres and the lining of a vessel for refining molten metal |
06/15/1982 | US4334922 Process for metal-bath refining |
06/15/1982 | US4334921 Converter steelmaking process |
06/15/1982 | US4334559 Pipe coupling |
06/10/1982 | WO1982001892A1 Tuyere for blowing in powder-like materials into molten metal |
06/10/1982 | WO1982001891A1 Method and device for protecting the nozzles and the refractory lining of a container for the upgrading treatment of liquid metal |
06/09/1982 | EP0053554A1 Process for the manufacture of bottoms for metallurgical vessels |
06/08/1982 | CA1125012A1 Tiltable converter arrangement |
05/25/1982 | US4331471 Method and device for installing and replacing a gas permeable insert in the wall of a vessel and for the introduction of gas therethrough |
05/25/1982 | CA1124062A1 Method of operating a steel converter, method of providing and maintaining a wear-lining of a steel converter and a steel converter having such a lining |
05/19/1982 | EP0051746A1 Immersion lance for steel making purposes |
05/18/1982 | US4330326 Method and a means for introducing close-grained carbonaceous fuels into a molten iron bath |
05/18/1982 | US4330264 Apparatus for manufacturing vitreous slag |
05/18/1982 | US4330108 Method for cooling tuyeres |
05/18/1982 | CA1123608A1 Process for the production of steel from pig iron and scrap |
05/13/1982 | WO1982001565A1 Method for the production of steel in a basic converter using slag |