Cast iron

Details Cast iron Cast iron

1977-02-03

1978-04-25

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75123E, 75123L, 75130AB, 75134S, C22C 3308, C22C 3300

Patent

active

040860868

ABSTRACT:
A method of treating molten carbon-containing iron to produce a cast iron with a compacted graphite structure comprising adding to the molten iron in a single step a quantity of an alloy containing silicon, magnesium, titanium, calcium and a rare earth, the balance being iron. Preferably, the alloy has the following nominal composition by weight:

REFERENCES:
patent: 2837422 (1958-06-01), Motz
patent: 3146090 (1964-08-01), Kanter
patent: 3306737 (1967-02-01), Muhlberger
patent: 3507644 (1970-04-01), Coyle

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