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Overview
Sulfidic corrosion can detrimentally impact the functional life of pressure components constructed of carbon steel and other alloys, operating in sulfur-containing process environments at elevated temperatures. While sulfidic corrosion damage has been observed in pressure equipment since the late 1800s, it endures as a costly and relevant damage mechanism in the oil refining industry today, as continued leaks and component failures (leading to unplanned outages and lost production) persist.
This eBook provides useful background information on sulfidation and high-temperature H2/H2S corrosion, including typical damage mechanism morphology and fundamentals, examples/case studies of related equipment failures, susceptible process units and locations, critical parameters that influence damage proclivity, and commonly utilized inspection methods/practical detection considerations. This eBook will also offer an overview of fitness-for-service (FFS) methodologies for evaluating wall loss in pressure components subject to sulfidation-related corrosion, although many of the FFS techniques summarized herein are applicable to any form of internal or external corrosion (or erosion). Additionally, practical damage mitigation and life cycle management techniques to avoid sulfidation failures and high-temperature H2/H2S corrosion in refinery pressure equipment are covered.
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