The Application dimension of Anti-Corrosion Coating for Pipelines segmentation delineates demand across distinct end‑use sectors. Oil & Gas pipelines dominate the market, accounting for roughly 45% of total coating volume, driven by extensive offshore and onshore networks that require robust protection against high‑pressure corrosive media. Water distribution systems contribute about 25%, reflecting municipal and industrial water conveyance projects where regulatory compliance mandates long‑lasting barrier performance. Chemical processing pipelines represent 15% of the market, with coatings engineered to resist aggressive acids, alkalis, and solvents typical of petrochemical complexes. Refinery pipelines, comprising 10%, demand specialized formulations to endure high‑temperature, high‑temperature hydrogen sulfide, and hydrocarbon exposure. The remaining Other segment (5%) aggregates niche applications such as geothermal, mining, and aerospace fuel lines, each with unique environmental stressors. Collectively, these application sub‑segments shape the overall market size by aligning coating technology selection with the specific corrosivity profile and operational parameters of each pipeline system, illustrating a clear market taxonomy.