Cast iron

Details Cast iron Cast iron

1976-01-20

1977-07-19

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75122, 75123M, 75134S, C22C 3308

Patent

active

040366413

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 and a rare earth, the balance being iron. Preferably, the alloy has the following nominal composition by weight silicon 30-80%, magnesium 3-15%, titanium 3-25%, cerium 0.05-1.0% and the balance iron.

REFERENCES:
patent: 2757082 (1956-07-01), Busby
patent: 2759812 (1956-08-01), Sawamura
patent: 2873188 (1959-02-01), Bieniosek
patent: 3729309 (1973-04-01), Kawawa

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