PREPARATION OF CV CAST IRON BY MIXING SPHEROIDIZED MOLTEN IRON WITH MOLTEN CAST IRON

PREPARATION OF CV CAST IRON BY MIXING SPHEROIDIZED MOLTEN IRON WITH MOLTEN CAST IRON

PURPOSE:To prepare CV graphite cast iron easily by adding and mixing general molten cast iron to molten cast iron to which spheroidizing treatment of graphite is applied in a specific ratio. CONSTITUTION:A graphite spheroidizing agent such as Mg, Ce or the like is added to the molten metal of scale...

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Bibliographische Detailangaben
Hauptverfasser: NOGUCHI MASAHIKO, OONO TERUO, SASAHARA TAKASHI, MURAMATSU IWAO
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
METALLURGY
METALLURGY OF IRON
PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
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Beschreibung
Zusammenfassung:PURPOSE:To prepare CV graphite cast iron easily by adding and mixing general molten cast iron to molten cast iron to which spheroidizing treatment of graphite is applied in a specific ratio. CONSTITUTION:A graphite spheroidizing agent such as Mg, Ce or the like is added to the molten metal of scale like cast iron to spheroidize graphite and Fe-Si or the like is further seeded therein to form a molten spheroidized cast iron and 20-80% of general scale like graphite cast iron melt is added thereto to sufficiently stir the resulting mixture. By this method, CV graphite cast iron can be prepared easily and stably.