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