Corrosion of aboveground storage tanks containing fuels

Alec Groysman, Rafi Siso

Research output: Contribution to specialist publicationArticle

2 Scopus citations


Aboveground gasoline, kerosene, diesel oil, and fuel oil tanks were inspected at an oil refinery to determine the rates of corrosion in the shells, floors, and floating and fixed roofs. Tank diameters varied from 23.7 to 36.6 m, and the height was 12.8 m. The shells of these tanks consisted of seven 1.8-rn high courses. The documentation of the ASTs did not indicate the type of CS. Traditional ultrasonic testing was used for measuring thickness of the metallic parts, floors, courses, roofs, and pontoons. The minimum acceptable thickness according to API 653 is 2.54 mm for floors and 2.6 mm for roofs. Corrosion rates were calculated based on the measurements of the seven courses of the shell of a typical gasoline AST. The floors in kerosene tanks were in good condition. Corrosion rates ranged from 0.04 to 0.1 mm/y. Similar to kerosene tanks, the shells usually exhibit no corrosion. Antistatic coatings of interior surfaces of shells in gasoline tanks was recommended.

Original languageEnglish
Number of pages5
Specialist publicationMaterials Performance
StatePublished - Feb 2012
Externally publishedYes


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