ABSTRACT
Materials in shaded zones having reported corrosion rate less than 20 mpy
Numerous salts and salt solutions can be handled by cast iron without excessive corrosion. Cast iron is also used extensively in the exhausts of ftue gas systems where the formation of sulfurous acid on surfaces below the dew point of the ftue gases at the cold end is less detrimental for cast iron than steel because thicker sections can be used.
