Charging device for melting furnaces, in particular Siemens-Martin-OEfen
DE1266320B
Process for the extraction of metallic iron in a centrifugal drum
DE1244820B
Process for the extraction of metallic iron from a mixture of ore, solid carbon and aggregates in a horizontal centrifugal drum
DE1199442B
Device for casting steel into blocks
DE1265180B
Use of a charging machine for Siemens-Martin ovens that are only operated for continuous melting as premelting ovens for Siemens-Martin or electric ovens connected downstream
DE1135401B
Process for the production of seamless steel tubes
DE1236541B
Device for continuous degassing of steel
DE1025920B
Device for loading stoves equipped with a removable vault
DE1175705B
Process for the direct manufacture of iron from ores
DE1160458B
Process for the direct manufacture of iron from ores
DE1160461B
Process for the production of iron from iron oxides, primarily iron ores
DE1082291B
Process for dealing with steel blocks, slabs or the like cast in molds and equipment for carrying out the process
DE1263795B
Process for producing iron and steel directly from ores
DE1005994B
Method for dealing with steel blocks, slabs or the like cast in chill molds and a furnace for carrying out the method
DE1147611B
Hearth furnace for refining iron, in particular pig iron, using technically pure oxygen and a process for producing steel in this furnace
DE1062847B
Inductor for heating the edges of flat sheets or strips
DE965708C
Device for butt welding pipes
DE1083840B
Device for reducing iron oxides, mainly iron ores under high pressure, in a tubular, inductively heated container
