Patents
Patents for C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel (14,381)
09/2001
09/11/2001US6289034 Process and an apparatus for producing metals and metal alloys
09/07/2001WO2001064962A1 System for producing steel
09/06/2001US20010019188 When liquid collected in defined collection area of treatment chamber reaches maximum level it is conveyed to collecting tank, when liquid level in chamber reaches minimum level, liquid from collecting tank is returned to chamber
09/06/2001DE19920209C2 Verfahren mit Lanze zur Rückführung von bei der Stahlherstellung in einem Konverter, insbesondere einem LD-Konverter, anfallenden Stahlwerksstäuben Method with lance for recycling in steel making in a converter, in particular an LD converter, resulting steelmaking dusts
09/06/2001DE10049253A1 Probennehmer für Schmelzen Samplers for melting
09/06/2001DE10009812A1 Apparatus for the production of steel comprises a vessel with an upper and a lower part, and a tapping off system for removing the melt and slag from the vessel
09/05/2001EP1129222A1 Nozzle for device to inject oxygen and technological gases and inverse dimensioning method
09/05/2001CN1311825A Blast furnace with narrowed top section and method of using
09/04/2001US6284189 Nozzle for device to inject oxygen and technological gases and relative dimensioning method
09/04/2001US6284016 Pressure converter steelmaking method
08/2001
08/30/2001WO2001062988A1 Sensor and method for measuring level of molten metal
08/29/2001EP1114872A9 Baking method in a vacuum induction melting apparatus
08/29/2001EP0961839B1 Method and device for positioning the mouth of a consumable lance
08/28/2001US6280499 Pouring metal from tilting furnace
08/23/2001WO2001061056A1 Method relating to manufacturing of steel
08/23/2001US20010015516 Apparatus for injecting solid particulate material into a vessel
08/22/2001EP1126039A1 Method and apparatus for reductively processing the liquid slag and the baghouse dust of the electric arc furnace
08/22/2001EP1126036A1 Sampling probe for melts
08/22/2001EP1124995A1 Direct-current arc furnace comprising a centric charging shaft for producing steel and a method therefor
08/22/2001CN1309723A Induction furnace for metal reduction and melting process
08/22/2001CN1309105A Joint filler for converter
08/21/2001US6277325 Steelworks converter with cone cooling system
08/21/2001US6277171 Method of reducing the iron content of steel slag
08/21/2001US6277168 Method for direct metal making by microwave energy
08/21/2001CA2164407C Melt shop scheduling for continuous casting
08/16/2001WO2001060123A1 Mounting arrangement for auxiliary burner or lance
08/16/2001WO2001059383A1 Plug members for steel furnaces
08/16/2001EP1123982A1 Method and apparatus for electric steelmaking
08/16/2001EP0994972B1 Steelworks converter with cone cooling system
08/15/2001CN1308139A Machine pressing formation process of making slag retainer
08/15/2001CN1308138A Stable furnace shutting down process
08/15/2001CN1308137A 直接熔炼工艺 Direct smelting process
08/15/2001CN1069700C Method for making steel in a liquid melt-fed electric furnace
08/14/2001US6274081 Smelting installation with an electric-arc furnace
08/14/2001US6273973 Martensitic stainless steels microstructure suitable for the production of razor blades.
08/14/2001US6273932 Continuous metal melting process
08/14/2001US6273931 Method for controlling a smelting reduction process
08/14/2001CA2015778C Fiber composite article and method of manufacture
08/09/2001WO2001057279A1 Porous agglomerates containing iron and at least one further element from groups 5 or 6 of the periodic table for use as an alloying agent
08/09/2001WO2001056916A2 Container transport vehicle
08/09/2001CA2397524A1 Porous agglomerates containing iron and at least one further element from groups 5 or 6 of the periodic table for use as an alloying agent
08/08/2001EP1122319A1 Process of recycling mill scale of alloyed steel in an electric arc furnace into a ferro-silicon product
08/08/2001CN1307645A Direct smelting process
08/02/2001WO2001055461A1 Method for removing chrome and/or nickel from liquid slags
08/02/2001WO2001055460A1 Method for reprocessing dust or dust mixtures
08/02/2001WO2001055459A1 Method for treating slags or slag mixtures on an iron bath
08/02/2001WO2001055457A1 Method for producing pozzolanic binders for the cement industry from steel slags using a reduction metal bath
08/02/2001DE10103940A1 Vorrichtung zum Einspeisen von Gas in einen Kessel An apparatus for injecting gas into a vessel
08/02/2001DE10103605A1 Vorrichtung zum Einspeisen von festem Partikelmaterial in einen Kessel An apparatus for feeding solid particulate material into a vessel
08/02/2001DE10064048A1 Einrichtung zum Verschließen eines Abstichloches eines metallurgischen Gefäßes Means for closing a taphole of a metallurgical vessel
08/02/2001CA2398352A1 Method for removing chrome and/or nickel from liquid slags
08/02/2001CA2398349A1 Method for reprocessing dust or dust mixtures
08/01/2001EP1119734A1 Method for feeding fines or granules into a light-arc furnace
08/01/2001EP1119482A1 Rail-mounted transporting device for ultra-heavy loads
08/01/2001CN1306095A System and method for reducing taken-in cinder when smelting steel
07/2001
07/31/2001US6269112 Electric arc furnace for continuous charging with ferrous materials and semicontinuous tapping of molten steel
07/31/2001US6267799 Method of producing metals and metal alloys
07/31/2001CA2112983C Suppression of fume in metal pouring
07/26/2001DE10012837C1 Production of steel alloy with a precisely defined nitrogen content comprises adding gaseous alloying component and inert gas to atmosphere in vessel with adjustment of pressure and concentration of the inert gas and the alloying component
07/25/2001EP1118684A1 High-frequency vacuum induction melting apparatus
07/25/2001EP1117845A1 Method for the production of a bulk of molten metal, a metallurgical product, and use of such a product
07/25/2001EP0934432B1 METHOD OF DE-CHROMING AND/OR DEPLETING THE MgO CONTENT OF STEEL SLAG
07/25/2001EP0861335B1 Process for the destruction of rubber-based materials and automobile fragmentation residues
07/25/2001CN1305536A Variably insertable combined lance with displacable burner and blower lance body
07/25/2001CN1305535A Device and method for sealing tap hole in metallurgical containers
07/25/2001CN1305534A Direct smelting vessel and direct smelting process
07/24/2001US6264883 Plant for the production of metal melts
07/24/2001US6264723 Method for manufacturing steel
07/24/2001US6264716 Introducing argon gas into molten steel in container; measuring the extent to which container is caused to vibrate; analog signals are produced; analog signals are converted to digital signals, digital signals are transformed; evaluating
07/24/2001CA2027300C Electric connection device intended to be placed in the wall of a metallurgical container in contact with molten metal
07/18/2001CN1304387A Method for treating stainless steel refining slag
07/18/2001CN1068633C Method and apparatus to determine and control carbon content of steel in BOF vessel
07/17/2001US6261338 Injection
07/12/2001US20010007382 Apparatus and method for tapping a furnace
07/11/2001EP1114973A1 Equipment and method for arc melting of cold pig iron source
07/11/2001EP1114872A1 Baking method in a vacuum induction melting apparatus
07/11/2001EP1114195A1 A direct smelting process
07/11/2001EP1114194A1 A direct smelting process and apparatus
07/11/2001EP1114192A1 A process and an apparatus for producing metals and metal alloys
07/11/2001EP1114191A1 A direct smelting process
07/11/2001EP1114190A1 Blast furnace with narrowed top section and method of using
07/10/2001CA2041297C Converter and method for top blowing nonferrous metal
07/05/2001US20010006012 Continuous metal melting apparatus
07/05/2001DE19949330A1 Verfahren und Einrichtung zur Einhüllung eines Lichtbogens Method and apparatus for wrapping an arc
07/04/2001EP1112387A1 Direct smelting vessel and direct smelting process
07/04/2001CN1302370A Tiltable light-arc furnace
07/04/2001CN1302338A Method for processing steel slags
07/04/2001CN1068058C Method for separating titanium and/or vanadium from pig iron
07/03/2001US6255983 Degasser guide
06/2001
06/28/2001WO2001046482A1 Iron-nickel alloy production
06/28/2001WO2001046481A2 Thermodestruction and inertisation of halogenated wasted in a metallurgical reactor
06/28/2001WO2001046479A1 Method and device for feeding a gas to a metallurgical vessel
06/28/2001DE19960717A1 Molten metal, especially steel, tapping channel of a furnace crucible has a bolt to cover the inlet in the crucible, a plug closure at the outlet, and an induction coil for heating the ceramic tapping channel wall
06/27/2001EP1111072A1 Fastening arrangement for bottom electrode in an electric arc furnace
06/27/2001EP1109943A1 Induction furnace for a metal reduction and melting process
06/27/2001CN2436906Y Composite gun for oxygen-blowing of electric furnace steel making
06/27/2001CN1301312A Continuous metal melting process and apparatus
06/27/2001CN1067837C Submerged arc furnace with vertically movable frame
06/26/2001US6251169 Method for vacuum/reduced-pressure refining and facility for vacuum/reduced-pressure refining
06/26/2001US6251160 Method of de-chroming and/or depleting the MgO content of steel slag
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