Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430)
06/1986
06/18/1986EP0184723A1 Method for treating carbide-based desulfurizing reagents for injection into molten iron
06/17/1986US4595178 Leg for vacuum tank for refining molten steel
06/10/1986CA1205637A1 Method for improving the life cycle of permeable refractory units covering the inner bottom of metal refining vessels, especially steel converters with topside oxygene blowers
06/03/1986US4592538 Apparatus for producing predominately iron alloy containing magnesium
06/03/1986CA1205289A1 Process for producing steel in a converter from pig iron and ferrous scrap
05/1986
05/27/1986US4590988 Method and apparatus for supplying molten metal in the manufacture of amorphous metal ribbons
05/22/1986WO1986002949A1 Method for the treatment of metals and alloys for the refining thereof
05/21/1986EP0181853A1 Gas flushing plug for metallurgical furnaces and vessels
05/20/1986US4589916 Ultra clean stainless steel for extremely fine wire
05/20/1986US4589915 Removing slag
05/20/1986CA1204596A1 Refining agent of molten metal and methods for producing the same
05/14/1986EP0180741A1 Process and installation for maintaining or increasing the temperature of a metal melt
05/09/1986WO1986002583A1 Process and device for detecting slag
05/06/1986US4586956 Method and agents for producing clean steel
05/06/1986CA1203996A1 Method and apparatus for the detection and measurement of particulates in molten metal
04/1986
04/30/1986EP0179337A1 Process for refining molten steel
04/30/1986EP0179336A1 Method of refining molten steel by arc process
04/23/1986EP0178480A2 Method and apparatus for controlled melt refining
04/23/1986EP0178310A1 Pneumatic charger for feeding pulverized and granular materials into metal melts.
04/16/1986EP0177908A1 Arc-heating type extra-furnace refining apparatus
04/16/1986EP0177851A1 Steel materials for welded structures
04/09/1986EP0176536A1 Apparatus for and a method of removing material.
04/08/1986US4581203 Using alkaline earth metal containing alloy or calcium carbide as
04/02/1986EP0176152A1 Method of injection of wire into molten steel and apparatus for uncoiling wire for use in the method
04/02/1986EP0175924A1 Process for refining pig iron
03/1986
03/25/1986CA1202186A1 Method of refining molten metal with stirring by repeated operation of suction and discharge
03/25/1986CA1202181A1 Process to produce low hydrogen steel
03/12/1986EP0174061A1 Continuous vacuum degassing and casting of steel
03/11/1986US4575393 Metallurgy
03/05/1986EP0173669A2 Tiltable metallurgical vessel
03/04/1986CA1201270A1 Method and device for the protection of a stream of molten metal in the course of pouring
02/1986
02/27/1986WO1986001230A1 Method and apparatus for continuous steelmaking
02/26/1986EP0172785A1 Metallurgical vessel
02/25/1986US4572818 Process for purifying metal compositions
02/25/1986US4572747 From ferrous or non-ferrous melts; reduction of boron compounds with aluminum, silicon or carbon
02/25/1986US4572737 Agents for the removal of impurities from a molten metal and a process for producing same
02/19/1986EP0171543A1 Method for manufacturing metallic semi-finished products
02/18/1986CA1200692A1 Permeable refractory element for the injection of a stirring fluide into a molten metal bath
02/12/1986EP0171350A1 Metallurgical vessel
02/12/1986EP0171220A1 Dispenser for synthetic slag forming material
02/12/1986EP0171107A1 Method for manufacturing a body comprised of molten-steel soluble elements
02/12/1986EP0170900A1 Process for the removal of contaminating elements from pig- iron, steel, other metals and metal alloys
02/10/1986CN85103477A Equipment for vacuum refining of molten steel
02/05/1986EP0170407A1 Agents for the removal of impurities from a molten metal and a process for producing same
02/05/1986EP0170322A2 Equipment for mixing powder- and/or granule-like components from a body to be compressed under high pressure
02/04/1986US4568386 Process for purifying metals by insufflation and product produced thereby
01/1986
01/29/1986EP0169290A2 Device for use in the degassing of molten metal
01/21/1986US4565355 Flushing arrangement for a metallurgical vessel
01/21/1986CA1199702A1 Process for the decarburization of molten metal
01/15/1986EP0168251A1 Apparatus for immersing solids into fluids and moving fluids in a linear direction
01/15/1986EP0167915A1 Reactor iron making
01/15/1986EP0167895A1 Process and installation for the production of steel from scrap
01/14/1986US4564390 Decarburizing a metal or metal alloy melt
01/14/1986US4564388 Method for continuous steelmaking
01/08/1986EP0167037A1 Bottom electrode for pouring ladles
01/08/1986EP0166908A1 Process for the manufacture of boron-containing steels
01/08/1986EP0166868A2 Method of and installation for metallurgical after-treatment of premelted steel
01/07/1986CA1198900A1 Method and apparatus for treating liquid metal in a vessel
12/1985
12/31/1985US4561912 Carbonaceous powder in greater proportions on surface of granules
12/31/1985US4561894 For desulfurization and dephosphorization of steel and molton iron
12/31/1985CA1198573A1 Process for continuous casting of aluminum deoxized steel
12/24/1985US4560406 Aluminum as reducing agent and calcium oxide as slag forming agent to allow simultaneous reduction and desulfurization
12/24/1985US4560405 Process for desulfurizing molten steel
12/24/1985US4560149 Gas bubble brick for metallurgical vessels
12/18/1985EP0165198A2 Lance for accelerating solid particles
12/17/1985US4559084 Salt-coated magnesium granules
12/11/1985EP0163784A1 Two stage deoxidation process in steel-making
12/10/1985CA1197682A1 Apparatus for degassing molten metal
11/1985
11/27/1985EP0162789A1 Installation for the treatment of steel by injection of gas before continuous casting
11/26/1985US4555662 Method and apparatus for the detection and measurement of particulates in molten metal
11/26/1985US4555267 Making steel from scrap
11/26/1985US4555265 Method of treating steel with calcium, to obtain a steel well adapted to cold forming, with a low silicon content
11/26/1985US4555264 Vacuum degassing
11/21/1985EP0161950A1 Installation and process for the continuous charging of a reactor vessel with solids, preheated by the waste gases of the reactor vessel
11/12/1985US4552587 Method of operating ladle refining furnace
11/07/1985WO1985004905A1 Process for controlling slag chemistry in a refining vessel
11/06/1985EP0160376A2 Method for producing steel in a top oxygen blown vessel
11/06/1985EP0160375A2 System and method for producing steel in a top-blown vessel
11/06/1985EP0160374A2 Method for producing steel in a top-blown vessel
11/05/1985US4551175 Method for controlling slag chemistry in a refining vessel
11/05/1985US4551174 Method of refining molten steel by arc process
11/05/1985US4551173 Method for adjusting composition of molten steel in arc process
11/05/1985CA1196196A1 Method of stirring molten metal refractory cylinder for the purpose
10/1985
10/30/1985EP0159971A1 A blast pipe
10/30/1985EP0159517A1 Rapid decarburization steelmaking process
10/30/1985EP0159459A1 Production of tool steels using chemically prepared V2O3 as a vanadium additive
10/23/1985EP0158762A1 Production of alloy steels using chemically prepared V2O3 as a vanadium additive
10/22/1985CA1195495A1 Apparatus for refining molten metal
10/22/1985CA1195476A1 Method for adding ingredient to steel as shot
10/10/1985WO1985004416A1 Pneumatic charger for feeding pulverized and granular materials into metal melts
10/09/1985EP0157104A1 Method and apparatus for the heating and melting of materials
10/08/1985US4545815 Injection oxygen under vacuum
10/08/1985CA1194698A1 Plunging-capsule
10/02/1985EP0156706A1 Process for refining metals by injection
10/02/1985EP0156459A1 A method of producing boron alloy and a product produced by the method
10/02/1985EP0156157A1 Additive for metallurgic liquids being effective to improve the characteristics of metal or metal alloy articles of manufacture
10/01/1985US4544405 Decarbonization in convertor before ladle treatment
09/1985
09/26/1985WO1985004193A1 Production of alloy steels using chemically prepared v2o3 as a vanadium additive
09/26/1985WO1985004192A1 Production of tool steels using chemically prepared v2o3 as a vanadium additive
09/26/1985WO1985004191A1 Apparatus for and a method of removing material