Inspection
Work Planning
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A defined group of equipment or piping exposed to similar process conditions and expected to experience similar corrosion mechanisms.
A Corrosion Circuit is a logical grouping of piping, vessels or other equipment that share common process conditions, materials of construction and expected degradation mechanisms. Corrosion circuits are used to manage inspection planning, assess damage mechanisms and evaluate equipment integrity consistently across assets exposed to similar operating environments.
Corrosion Circuits simplify integrity management by allowing assets with similar corrosion behaviour to be assessed, inspected and managed as a single engineering unit.
Corrosion Circuits are widely used within API Risk-Based Inspection methodologies to define inspection populations and establish inspection intervals based on common degradation behaviour.
Some organizations use the terms Corrosion Circuit and Corrosion Loop interchangeably, while others distinguish them based on plant-specific inspection practices. Organizations should define the preferred terminology within their integrity management program.
Mechanical Integrity; Corrosion; Inspection & NDT; Reliability Engineering.
Risk-Based Inspection.; Inspection planning.; Corrosion monitoring.; Remaining life assessments.; Damage mechanism reviews.
API RP 574; API 570
VisualAIM connects glossary concepts to the asset records, inspection histories, and workflows they describe.
