Case Study: Analysis of Coating Failure on Hinged Steel Boxes

22 January 2010
By Zixiao Pan and Ron Joseph, Exponent Failure Analysis Associates, Menlo Park, Calif.

An investigation was performed to determine the cause of coating failures on several large hinged steel boxes. These boxes were constructed of sheet steel and were allegedly coated with corrosion-resistant coatings. However, after exposure outdoors, much of the paint delaminated and severe corrosion occurred.

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