A pipe fabricated of an iron alloy containing carbon and silicon; usually lined with cement or coal-tar enamel and coated externally with one of a variety of materials to reduce corrosion by soils; known technically as gray castiron pipe.
A pipe fabricated of an iron alloy containing carbon and silicon; usually lined with cement or coal-tar enamel and coated externally with one of a variety of materials to reduce corrosion by soils; known technically as gray castiron pipe.