Asset Intelligence Report

A Primer on Sulfidation Corrosion

High temperature sulfidation corrosion is one of the most well-known damage mechanisms in the oil refining industry because it occurs in large sections of the refinery. Sulfidation corrosion (also known as sulfidic corrosion) is a result of naturally occurring sulfur (S) compounds found in crude oil and can lead to thinning of the pressure containment envelope, affecting such components as piping and pipe fittings, heater tubes, and pressure vessels. Corrosive thinning of piping walls and equipment due to sulfidation depends on many factors, such as sulfur content of the oil, operating temperatures, flow rate, and H2 concentration, making it hard to predict accurately.

This Asset Intelligence Report contains the following sections:

  • Overview of Sulfidation Corrosion
  • Susceptible Areas
  • Methods of Prevention/Mitigation
  • Effective Inspection Techniques
  • Codes, Standards, and Best Practices
  • Further Recommended Reading

As with other Asset Intelligence Reports, this document is not intended to serve as a comprehensive guide, but rather an introductory primer on sulfidation corrosion. Since the information is provided in a condensed format, we recommend printing and laminating copies that can be referenced by you and your co-workers at your convenience.

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A Primer on Sulfidation Corrosion

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