Heat-resisting spheroidal graphite cast iron

Details Heat-resisting spheroidal graphite cast iron Heat-resisting spheroidal graphite cast iron

1983-11-07

1985-07-09

Rutledge, L. Dewayne

Metal treatment

Compositions

Heat treating

75128C, 75128D, 75128E, C22C 3704

Patent

active

045280452

ABSTRACT:
A heat-resisting spheroidal graphite cast iron comprises carbon ranging from 1.8 to 3.4% by weight, silicon ranging from 3.5 to 6% by weight, manganese ranging from 0.7 to 1.25% by weight, chromium ranging from 3 to 5% by weight, nickel ranging from 18 to 24% by weight, an element for spheroidizing graphite, not more than 0.1% by weight, and the balance being substantially iron, thereby attaining excellent oxidation-resistance and oxide film adherance characteristics while being kept inexpensive.

REFERENCES:
patent: 3740212 (1973-06-01), Church

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