Describe the corrosion conditions in various parts of the inner wall of a gasoline floating roof tank within less than 1 year of its use
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The image below shows the corrosion in various areas of the inner wall of a gasoline floating roof tank at a petrochemical company, within less than 1 year of its use.
What causes it? Was the internal anti-corrosion treatment of the paint inadequate during construction?
It feels like it hasn’t been used at all in the year since it was built
Is it possible that the rusting is caused by water or steam introduced during the processing stage not being dried out after the material has been emptied?