Heat-resistant vermicular or spheroidal graphite cast iron

Details Heat-resistant vermicular or spheroidal graphite cast iron Heat-resistant vermicular or spheroidal graphite cast iron

1992-09-23

1993-08-17

Yee, Deborah

Alloys or metallic compositions

Ferrous

1.7 percent or more carbon containing

148321, C22C 3700, C22C 3704

Patent

active

052366600

ABSTRACT:
The invention relates to heat resistant vermicular or spheroidal graphite cast iron. To make cast iron resistant to temperatures of 900.degree. C. to more than 1000.degree. C. while reducing manufacturing costs, the cast iron includes 4.7% to 7.1% by weight of Si equivalent, where Si.sub.eq is defined as Si+0.8Al, and in which the concentration by weight of Si lies in the range 3.9% to 5.3% and the concentration of Al lies in the range 0.5% to 2.5%.

REFERENCES:
patent: 2885285 (1959-05-01), Dickinson

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