Oxidation tests of up to 4000 hours duration at 1300 degrees F were made on ordinary flake graphite gray irons, ductile iron, and on highly alloyed cast iron having both flake and spheroidal graphite. It is concluded that ductile irons possess resistance to oxidation markedly better than that of flake graphite irons. In highly alloyed irons the difference is less pronounced at this temperature. Specimens exposed in atmospheric tempering furnace equipped with fan for circulation of air.

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Copyright 1954 by the National Association of Corrosion Engineers.
1954
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