Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430) |
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07/25/1979 | EP0003037A1 Method, apparatus and agent for the treatment of molten ferrous metals with a pure alkali or alkaline-earth metal in solid form |
07/24/1979 | CA1058884A1 Method of producing low sulfur steel |
07/17/1979 | US4161400 Methods of desulphurizing fluid materials |
07/17/1979 | CA1058378A1 Methods of adding reactive metals |
07/12/1979 | WO1979000398A1 Desulphurisation of ferrous metals |
07/11/1979 | EP0002929A1 Use of plain low carbon steels for electrical applications |
07/10/1979 | US4160664 Blowing an oxidizing gas and an inert gas into low carbon steel melt through a lance |
06/28/1979 | WO1979000368A1 Elongate consolidated article and method of making |
06/28/1979 | WO1979000366A1 Elongate composite article |
06/26/1979 | CA1057062A1 Method for physically processing metals, metal ores, compounds and concentrates thereof |
05/29/1979 | CA1055553A1 Extended arc furnace and process for melting particulate charge therein |
05/29/1979 | CA1055257A1 Gas injection apparatus |
05/22/1979 | US4155753 Continuous one-stage reduction of ore and quartz and smelting |
05/15/1979 | US4154606 Composition and method for the desulfurization of molten iron |
05/15/1979 | US4154604 Feeding additives into the interior of molten metal |
05/15/1979 | US4154603 Decarburization, degassing |
05/15/1979 | US4154602 Flowing inert gases and oxygen into the steel |
05/08/1979 | CA1054029A1 Continuous annealing process for steel sheet manufacture |
05/01/1979 | US4152532 Means and method of heating |
05/01/1979 | US4152140 Method for producing killed steels for continuous casting |
04/24/1979 | US4150974 Change in voltage as electrode contacts slag or molten metal |
04/10/1979 | US4148468 Lance for the flush gas treatment of non-ferrous molten metals |
04/10/1979 | CA1052061A1 Composite wire with a base of cerium and other rare earths |
04/03/1979 | US4147837 Elongate composite article |
03/20/1979 | CA1050786A1 Method for determining the temperature of a molten metal bath |
03/13/1979 | US4143866 Deoxidizing and/or desulfurizing of steel |
03/13/1979 | CA1050266A1 Metallurgical device for treating molten metal |
03/06/1979 | US4143211 Continuous casting addition material |
03/06/1979 | US4142887 Fluorospar, lime, aluminum |
02/27/1979 | US4141723 Process for producing stainless steel |
02/20/1979 | US4140522 Discharging slag, desulfurization |
02/13/1979 | US4139416 Carbonaceous material with high characteristics of surface area and activity and process for producing the same |
02/13/1979 | US4139370 Blowing oxygen into a melt, decarburization |
02/13/1979 | US4139369 Magnesium, calcium carbide, calcium oxide, calcium carbonate, dolomite |
02/13/1979 | US4139185 Lance manipulator |
02/13/1979 | CA1048276A1 Manufacture of cast iron |
02/07/1979 | EP0000466A1 Method for adding granular materials to a molten metal and apparatus for the performance of the aforesaid method |
01/30/1979 | CA1047371A1 Grain-oriented steel |
01/23/1979 | US4135921 Process for the preparation of rare-earth-silicon alloys |
01/23/1979 | US4135920 Method of introducing powdered material into molten metal |
01/23/1979 | US4135916 Process in the manufacture of steels containing nickel |
01/16/1979 | US4134757 By-product inhibition, cascading |
01/16/1979 | US4134443 Method of and apparatus for producing steel ingots |
01/16/1979 | US4134196 Method of production of a wire-shaped composite addition material |
01/16/1979 | CA1046286A1 Process for removing alkali-metal impurities from molten aluminum |
01/16/1979 | CA1046285A1 Composite metal article containing additive agents and method of adding same to molten metal |
01/16/1979 | CA1046278A1 Device for supplying a treating agent to molten metal in a ladle |
01/16/1979 | CA1046277A1 Submerged desulphurization device and method |
01/16/1979 | CA1046262A1 Heat-insulating agent for molten metal |
01/16/1979 | CA1046249A1 Method for constructing a runner for metal melting furnace |
01/09/1979 | US4133678 Reducing and nitriding iron and iron oxide containing flue dust to form ferro-nitride steel additive |
01/09/1979 | CA1045856A1 Leaded steel bar |
01/09/1979 | CA1045824A1 Process for the production of steel with increased ductility |
12/26/1978 | CA1044898A1 Manufacture of steel |
12/19/1978 | US4130423 Pulverulent composition for forming protective layer on steel melts |
12/19/1978 | US4130417 Process for refining high-carbon ferro-alloys |
12/12/1978 | US4129439 Process for refining molten steel using ferroalloy |
12/12/1978 | CA1044179A1 Method of production of a wire-shaped composite addition material |
12/05/1978 | US4128414 Method of introducing aluminum wire into steel melts and apparatus for practicing said method |
11/28/1978 | US4127407 Method of making a casting powder |
11/21/1978 | US4126453 Composition for a fluidizing flux in the production of iron and steel |
11/21/1978 | US4126446 Packages for the storage of air and moisture sensitive metallurgical additives and the use of such packages |
11/14/1978 | CA1042216A1 Method and apparatus for treating metal |
11/14/1978 | CA1042207A1 Metallurgical lance |
11/14/1978 | CA1042206A1 Ferro lime |
11/07/1978 | CA1041769A1 Porous ferrous metal impregnated with magnesium metal |
10/31/1978 | US4123258 Process for the production of steel with increased ductility and for the desulfurization of a steel melt |
10/24/1978 | US4121923 Crystalline structure in continuously cast steel ingot |
10/10/1978 | CA1040337A1 Bonded calcium carbide article and method for making the same |
09/12/1978 | US4113469 Refining molten metal |
08/29/1978 | US4109898 Method and a device for adding solid, powdered or grained material to melted metal |
08/29/1978 | CA1037263A1 Method and apparatus for adding treating agents to molten metal |
08/22/1978 | US4108694 Continuously cast slabs for producing grain-oriented electrical steel sheets having excellent magnetic properties |
08/22/1978 | US4108645 Preparation of rare earth and other metal alloys containing aluminum and silicon |
08/22/1978 | US4108637 Sheathed wire feeding of alloy and inoculant materials |
08/22/1978 | US4108500 Process and equipment for effecting savings in compressed gases during injection of solids by means of pneumatic conveyors |
08/22/1978 | CA1036825A1 Flux for continuous casting of steel |
08/15/1978 | US4107393 Steel conduit containing ferrosilicon material |
08/15/1978 | CA1036471A1 Method of continuously casting steel |
08/15/1978 | CA1036365A1 Desulfurization of transition metal alloys |
08/08/1978 | US4105439 Method for production of refined steel |
08/01/1978 | US4104057 Method for making low carbon high chromium alloyed steels |
07/25/1978 | US4102690 Powder for continuous casting |
07/18/1978 | US4101312 Method for operation of a converter |
07/11/1978 | US4099965 Method of using MgCl2 -KCl flux for purification of an aluminum alloy preparation |
07/11/1978 | US4099964 Recycling of iron values |
06/27/1978 | US4097269 Process of desulfurizing liquid melts |
06/27/1978 | US4097268 Method of treating molten ferrous material with composite rods containing Ca |
06/27/1978 | US4097030 Lance for desulphurizing cast iron or steel |
06/20/1978 | US4095643 Agent feeder for pipe casting apparatus |
06/13/1978 | US4094666 Method for refining molten iron and steels |
06/13/1978 | US4094495 Method and apparatus for the production of quality steels |
06/06/1978 | US4093452 Refining liquid metal |
05/30/1978 | US4092406 Calcium carbonate containing stone, iron pellets, calcining |
05/09/1978 | US4088477 Sheathless wire feeding of alloy and inoculant materials |
05/09/1978 | US4088475 Preventing unwanted reactions and oxidation by adding elements in a tubing |
04/18/1978 | US4085252 Composite wire with a base of cerium and other rare earths |
04/18/1978 | US4084960 Methods of desulphurizing iron and steel and gases, such as stack gases and the like |
04/18/1978 | US4084800 Thermally stable injector lance |
04/18/1978 | CA1029558A1 Blowing process to manufacture chronium steels with very low carbon con ent |