Aboveground Storage Tank (AST)

Definition - What does Aboveground Storage Tank (AST) mean?

An aboveground storage tank is an industrial container used to house large amounts of liquids such as petroleum products or chemicals. Aboveground storage tanks are prone to pitting and crevice corrosion due to the significant pressure generated between the tank and the soil.

Corrosionpedia explains Aboveground Storage Tank (AST)

Aboveground storage tanks must be properly monitored to prevent corrosion as they often contain hazardous materials that pose severe risks when spilled or otherwise released to the environment. The proper coatings, linings or other corrosion resistance mechanisms are advisable when installing aboveground storage tanks.

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