Process for producing spheroidal-graphite cast iron, and spheroidal-graphite cast iron member obtained from said spheroidal-graphite cast iron

Process for producing spheroidal-graphite cast iron, and spheroidal-graphite cast iron member obtained from said spheroidal-graphite cast iron

A process for producing spheroidal graphite cast iron includes a spheroidization treatment, an inoculant treatment and a pouring inoculation treatment. A molten iron is subjected to the spheroidization treatment using a spheroidizing agent of an Fe-Si-Mg-Ca-based alloy which contains a given amount...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Narita Hidekazu, Nishikawa Yutaka, Idei Hiroshi, Horiya Takao, Tokiyama Takuya, Sato Takashi, Kitahara Masakazu, Baba Tsukasa
Format: Patent
Sprache:eng
Schlagworte:
ALLOYS
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
METALLURGY OF IRON
PERFORMING OPERATIONS
POWDER METALLURGY
PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL
TRANSPORTING
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:A process for producing spheroidal graphite cast iron includes a spheroidization treatment, an inoculant treatment and a pouring inoculation treatment. A molten iron is subjected to the spheroidization treatment using a spheroidizing agent of an Fe-Si-Mg-Ca-based alloy which contains a given amount of Ba and contains substantially no rare-earth element.