Piping systems are the arteries of any industrial plant, carrying fluids—sometimes hazardous, often at high pressures and temperatures. Ensuring their structural integrity isn’t just about good engineering; it’s about safety, reliability, and environmental protection. A critical aspect of this is pipe stress analysis, which involves evaluating the stresses in a piping system subjected to various loads. The ASME B31.3 Process Piping Code provides the foundational rules for this analysis, categorizing stresses into distinct types based on the loads causing them. Understanding these categories—Sustained, Occasional, and Expansion Stresses—is paramount for any piping engineer or designer.
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