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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05/20/1980 | CA1077721A1 Method for increasing the use of scrap and iron oxides by basic oxygen furnace |
05/15/1980 | WO1980001000A1 Cooling of surfaces adjacent molten metal |
05/13/1980 | CA1077266A1 Enclosure for steel converting apparatus |
05/06/1980 | US4201572 Method for increasing the scrap melting capability of bottom blown processes |
04/30/1980 | EP0010535A1 Apparatus for sealing the taphole of a metallurgical vessel |
04/29/1980 | US4200453 Treating with oxygen and lime to form a slag |
04/29/1980 | US4200452 Passig a direct current through said melt |
04/29/1980 | US4200263 Filling stand arrangement for a metallurgical ladle |
04/29/1980 | CA1076360A1 Method and apparatus for continuous gasification, of solid and/or fluid carbon-containing and/or hydro-carbon-containing substances in molten iron in a reaction vessel |
04/29/1980 | CA1076350A1 Enclosure for steel converting apparatus |
04/22/1980 | US4199350 Method for the production of quality steels |
04/22/1980 | CA1076180A1 Electric furnace waste heat recovery method and apparatus |
04/22/1980 | CA1075897A1 Method and apparatus for producing steel from solid products high in iron |
04/16/1980 | EP0010082A1 Device for sealing the tap hole of a metallurgical vessel |
04/16/1980 | EP0010047A1 Process for treating waste gases of the iron and steel industry |
04/16/1980 | EP0009585A1 Apparatus for conveying probes for attachment onto measuring or sampling lances in a metallurgical vessel |
04/15/1980 | US4198230 Oxidizing gases surrounded by hydrocarbons |
04/15/1980 | US4198035 Blowing lance media-supply arrangement |
04/15/1980 | CA1075471A1 Method of treating molten slags in steel-making process |
04/15/1980 | CA1075469A1 Process for pyrometallurgical recovery of iron from iron silicate slags |
04/08/1980 | US4197116 Method and apparatus for automatically controlling the rate of flux injection to a converter |
04/08/1980 | US4196894 Basic oxygen furnace and refractories therefor having improved thermal conductivity |
04/08/1980 | CA1075009A1 Methods of decarburization in esr processing of superalloys |
04/02/1980 | EP0009104A1 Method for increasing the scrap melting capability of bottom blown processes |
04/01/1980 | US4196159 Process for increasing the life of the refractory masonry of metallurgical vessels |
04/01/1980 | US4195985 Method of improvement of the heat-balance in the refining of steel |
04/01/1980 | US4195824 Jig for tension elements for metallurgic vessels, particularly alternating converters |
04/01/1980 | CA1074567A1 Method of continuously melting down scrap, iron sponge or the like |
04/01/1980 | CA1074531A1 Method of producing a composition containing a large amount of vanadium and nitrogen |
03/25/1980 | US4194903 Method of producing steel with the lowest possible sulfur content by desulfurization of pig iron with magnesium coke |
03/25/1980 | CA1074125A1 Reducing material for steel making |
03/25/1980 | CA1074123A1 Methods of decarburization of molten esr slags and reduction of carbon pick up in corrosion resistant alloys |
03/25/1980 | CA1074111A1 Removal and/or installation of top section of steelmaking vessel |
03/18/1980 | CA1073987A1 Gas and smoke sensing service for converters |
03/18/1980 | CA1073669A1 Cooling assembly for metallurgical vessels |
03/11/1980 | US4192687 Lining materials |
03/11/1980 | US4192675 Process for decarburizing ferro-manganese |
03/11/1980 | US4192492 Device for fabrication of tapholes in metallurgical vessels |
03/11/1980 | US4192490 Lance for injecting powdery material into molten metal |
03/11/1980 | US4192486 Method for controlling exhaust gases in oxygen blown converter |
03/11/1980 | CA1073188A1 Method for recovering argon as contained in the blowing gases coming from an a.o.d.-converter |
03/05/1980 | EP0008463A1 Method for controlling the temperature of the melt during pneumatic refining of steel |
03/04/1980 | US4191885 Adding a trace element |
03/04/1980 | US4191364 Support for metallurgical vessels |
02/26/1980 | US4190435 Reducing oxide-rich slags |
02/26/1980 | US4190238 Lance head for a fining lance |
02/26/1980 | US4190237 Apparatus for treating refinery waste gases |
02/20/1980 | EP0008030A1 Process for repairing the refractory lining of industrial furnaces and vessels used at high temperatures |
02/19/1980 | CA1071862A1 Lance supporting and gyrating device in a steel-refining converter |
02/12/1980 | US4188021 Metallurgical vessel cooling and safety system |
02/12/1980 | CA1071400A1 Lining for a cup-shaped furnace bed |
02/06/1980 | EP0007657A1 Method of providing and maintaining a wear-lining of a steel converter and a steel converter having such a lining |
02/06/1980 | EP0007418A1 Device for supplying the tuyeres of a metallurgical vessel with gaseous and/or liquid hydrocarbons |
02/05/1980 | US4187102 Fast and slow oxidizing elements |
02/05/1980 | CA1070944A1 Tuyere for the injection of reaction gas |
01/29/1980 | US4185997 Oxidation, adjusting basicity by adding silica-containing material, cooling, solidifying |
01/29/1980 | US4185499 Arrangement for monitoring an oil supply of a lubrication system to be used for heavy machinery |
01/29/1980 | CA1070743A1 D.c. arc furnace |
01/23/1980 | EP0007038A1 Coupling for connecting gas supply conduits to metallurgical vessels |
01/22/1980 | US4185157 Apparatus for collecting and removing smoke and fumes from a melting furnace plant |
01/22/1980 | US4184883 Aggregate particles and a cure accelerator |
01/22/1980 | CA1070119A1 Steelmaking process |
01/22/1980 | CA1070111A1 Tilting metallurgical vessel, especially a steel-plant converter |
01/15/1980 | CA1070008A1 Method of and apparatus for monitoring slag depth in refining crucible |
01/09/1980 | EP0006398A1 Method and apparatus for withdrawing fumes generated during the charging of a metallurgical vessel |
01/08/1980 | CA1069301A1 Converter drive and bearing arrangement |
12/18/1979 | CA1068115A1 Method for steelmaking with direct current |
12/12/1979 | EP0006084A1 Apparatus for collecting and withdrawing off-gases |
12/11/1979 | US4178173 Decarbonization |
12/11/1979 | US4178170 For use in electric furnaces |
12/11/1979 | US4177975 Exhaust hood apparatus with tilting furnace |
12/04/1979 | US4177061 Method for making iron-chromium alloys |
12/04/1979 | CA1067293A1 Method for injecting a carbon-carrying powder in a metallic bath |
12/04/1979 | CA1067292A1 Arc furnace steelmaking |
11/28/1979 | EP0005693A1 Conversion installation with a tiltable converter vessel |
11/28/1979 | EP0005692A1 Conversion installation with a tiltable converter |
11/28/1979 | EP0005506A1 Method for treating melts of pig iron and steel or steel alloys |
11/27/1979 | US4175732 Melting of fine particulate material in a high-speed rotary furnace |
11/27/1979 | CA1067126A1 Tilt and swing lock mechanism for electric furnace |
11/20/1979 | CA1066504A1 Oxygen lance nozzle |
11/13/1979 | CA1066087A1 Tilting moment measuring means for a metallurgical convertor |
11/13/1979 | CA1066019A1 Collector apparatus for gaseous reaction products |
11/06/1979 | US4173299 Electromagnetic valve with slag indicator |
10/17/1979 | EP0004693A1 Device for measuring the oxygen concentration of molten metals |
10/17/1979 | EP0004614A1 Cooling system for a steel works converter. |
10/17/1979 | EP0004613A1 Converter with a detachable floor |
10/16/1979 | US4171276 Aqueous solution of alkylphenoxy polyethoxy ethanol and ethylene oxide-propylene oxide copolymer |
10/09/1979 | CA1063807A1 Processes for steel making by oxygen refining of iron |
10/02/1979 | US4169569 Base anchorage for heavy machinery |
09/25/1979 | US4168968 Melting, fuel oil combustion |
09/25/1979 | US4168824 Enclosure for metallurgical vessels |
09/19/1979 | EP0004004A1 Arrangement on a fume collecting chamber for a metallurgical vessel |
09/18/1979 | US4168181 Wire manufacture |
09/18/1979 | US4168177 Refractory gunning composition |
09/18/1979 | CA1062463A1 Steel-smelting lance assembly |
09/11/1979 | CA1062004A1 Method and apparatus for handling off-gases from metal refining vessel |
08/28/1979 | CA1061109A1 Closing a tap hole using compressed gas |
08/21/1979 | US4165065 Lime removal from furnace surfaces |
08/21/1979 | CA1060661A1 Continuous production of steel |
08/08/1979 | EP0003357A1 Housing for receiving a metallurgical vessel |