Patents
Patents for C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel (14,381)
12/1982
12/28/1982US4365992 Method of treating ferrous metal
12/21/1982CA1137758A1 Methods for controlling blowing, controlling the slag formation and predicting slopping in the blowing of molten pig in ld converter
12/15/1982EP0067093A1 Process for treating phosphided slags
12/15/1982EP0066775A1 Blow orifice or tuyere for injection of gas and/or of liquid or powdered material into molten metals
12/14/1982US4363470 Gas-entrained particulate feed system
12/08/1982EP0066539A1 Scrap heating apparatus
12/07/1982US4362562 Method for taking samples from pig-iron melts
12/07/1982US4362559 Method of introducing addition agents into a metallurgical operation
12/07/1982US4362556 Arc furnace steelmaking involving oxygen blowing
12/01/1982EP0065943A1 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
11/1982
11/30/1982CA1136421A1 Steelmaking process
11/30/1982CA1136408A1 Method of installation or replacement of a gas- permeable refractory insert in the wall of a metallurgical container
11/30/1982CA1136407A1 Movable charging emissions control hood for bof
11/24/1982EP0065330A1 Cooling element for industrial furnaces
11/17/1982EP0064863A1 Monolithic refractory layer for metallurgical vessels and method of application
11/16/1982US4359211 Method of and apparatus for measuring level and characteristics of a slag layer overlying a metallurgical metal
11/16/1982CA1135531A1 Sub-lance assembly for sampling and temperature-measuring of molten metal during refining thereof
11/10/1982EP0064449A1 Apparatus for blowing an agitating gas into a converter for refining metals
11/10/1982EP0064418A1 Steel manufacturing installation comprising a converter, a hood means and a blow lance
11/09/1982US4358314 Metal refining process
11/09/1982US4358313 Process for refining molten pig iron and steel
11/09/1982US4358092 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
11/09/1982CA1135054A1 Metallurgical vessel
11/03/1982EP0063669A1 Apparatus for aspirating secondary fumes in steel mills and foundries
11/03/1982EP0063569A1 Method for the production of steel in a basic iconverter using slag.
11/02/1982US4357160 Process for improving the use of heat in steel production from solid iron material
10/1982
10/27/1982EP0063201A1 Procedure to cool the walls of a skip to charge scrap, and skips for charging scrap
10/27/1982EP0063182A1 Drive mechanism for metallurgical vessels, in particular for steel making converters
10/26/1982US4356340 DC Arc furnace having a shielded arc
10/26/1982US4356035 Oxygen feed, oxygen-free gas loaded with solids for slag formation andor heat supply
10/26/1982US4356032 Method of dephosphorizing molten pig iron
10/20/1982EP0062986A1 Lance for repairing refining vessel
10/19/1982US4354670 Lining apparatus for metallurgical vessels, particularly for steel mill converters and/or blast furnaces
10/19/1982CA1133720A1 Method for measuring temperature of molten metal received in vessel
10/19/1982CA1133697A1 Metallurgical vessel suspension system
10/13/1982EP0062548A1 Process for gas-stirring a metal bath
10/13/1982EP0062498A1 Flame gunning of refractory linings
10/13/1982EP0062217A1 Metallurgical lance
10/12/1982US4353533 Bottom tuyeres in an oxygen top-blown converter
10/12/1982US4353530 Method and apparatus for automatically punching the tuyeres of a converter
10/06/1982EP0061987A1 Process and apparatus for treating molten metals in the framework of metallurgical processing
10/06/1982EP0061749A1 A multi-step steelmaking refining method
10/05/1982CA1133037A1 Method for determining weight of molten metal in situ
09/1982
09/22/1982EP0060305A1 Method for smelting using top-and bottom-blown converter
09/15/1982EP0060069A1 A probe and a system for detecting wear of refractory wall
09/15/1982EP0059764A1 Method for controlling bottom-blown gas in top-and bottom-blown converter smelting
09/14/1982US4349382 Process for refining of a bath of metal containing cold solid substances
09/08/1982EP0059459A1 Method of switching bottom-blown gases and apparatus therefor
09/08/1982EP0059289A1 Tuyère
09/07/1982US4348227 Process for producing steel with low hydrogen content in a through-blowing oxygen converter
09/07/1982US4348013 Device of refractory porous material for blowing gas into a bath of liquid metal
09/07/1982CA1131260A1 Carbon-containing refractory bricks
09/07/1982CA1131032A1 Method for controlling the temperature of the melt during pneumatic refining of steel
09/07/1982CA1131019A1 Exhaust hood apparatus for use with tilting furnace
09/01/1982EP0058817A1 Contact electrode arrangement for arc or resistance melting furnaces
09/01/1982EP0058774A1 Electric melting furnace arrangement as well as storage containers and charging devices therefor
09/01/1982EP0058725A1 A blow-smelting process using a top-and bottom-blowing converter
08/1982
08/31/1982US4347614 Apparatus for refining ferrosilicon
08/31/1982US4347079 Method of operating an open-hearth furnace
08/31/1982CA1130569A1 Process for treating pig iron melts and steel melts or alloys
08/31/1982CA1130560A1 Lance pipe for refining and refining process of molten metal
08/25/1982EP0058251A1 Relining apparatus for metallurgical vessels, especially for steel making converters
08/24/1982US4345747 Filling stand for pouring molten metal from a tiltable metallurgical vessel into a metallurgical ladle
08/24/1982US4345746 Apparatus for refining ferrous melt with slag conditioning
08/24/1982US4345530 Installation for burning-out scrap metal
08/18/1982EP0057946A1 Tapping assembly for converters
08/17/1982US4344608 Tilt drive coupling for steel making converter
08/17/1982CA1129646A1 Fluid closure for and method of preventing flow through an opening in a fluid and particulate confining and conveying structure
08/10/1982US4343459 Basic oxygen furnace construction
08/04/1982EP0056944A2 Installation for injecting materials into a steel melt
08/04/1982EP0056942A2 Installation for the holding and changing of immersion lances
08/03/1982US4342633 Oxygen sensor
08/03/1982US4342597 Coating compositions for liners of molten metal troughs and ladles
08/03/1982US4342445 Self-aligning trunnion bracket for metallurgical vessels
07/1982
07/28/1982EP0056773A1 Continuously charged electric-arc furnace for melting scrap
07/28/1982EP0056655A1 Oxygen passage structure in a supporting trunnion of a steel converter vessel
07/27/1982CA1128306A1 Metallurgical vessels
07/20/1982US4340420 Chromiferous product
07/20/1982US4340208 Refractory piece permeable to gases
07/14/1982EP0055956A1 Blowing lance for injecting an oxidising gas, especially oxygen, for treating metal melts
07/06/1982US4337897 Process and device for producing the refractory lining of metallurgical vessels
06/1982
06/30/1982EP0055004A1 Process for processing moist compositions containing pollution-causing substances and composition
06/22/1982US4336411 Molten metal heating, stirring and casting apparatus
06/22/1982US4336064 Hydrocarbon scavenger used in refining melts
06/16/1982EP0053802A1 Process and apparatus for protecting the tuyeres and the lining of a vessel for refining molten metal
06/15/1982US4334922 Process for metal-bath refining
06/15/1982US4334921 Converter steelmaking process
06/15/1982US4334559 Pipe coupling
06/10/1982WO1982001892A1 Tuyere for blowing in powder-like materials into molten metal
06/10/1982WO1982001891A1 Method and device for protecting the nozzles and the refractory lining of a container for the upgrading treatment of liquid metal
06/09/1982EP0053554A1 Process for the manufacture of bottoms for metallurgical vessels
06/08/1982CA1125012A1 Tiltable converter arrangement
05/1982
05/25/1982US4331471 Method and device for installing and replacing a gas permeable insert in the wall of a vessel and for the introduction of gas therethrough
05/25/1982CA1124062A1 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
05/19/1982EP0051746A1 Immersion lance for steel making purposes
05/18/1982US4330326 Method and a means for introducing close-grained carbonaceous fuels into a molten iron bath
05/18/1982US4330264 Apparatus for manufacturing vitreous slag
05/18/1982US4330108 Method for cooling tuyeres
05/18/1982CA1123608A1 Process for the production of steel from pig iron and scrap
05/13/1982WO1982001565A1 Method for the production of steel in a basic converter using slag