Power Plant MRO - Boiler Tube Replacement: Market Size & Forecast 2026

The global Power Plant MRO boiler-tube-replacement category sits at approximately USD 3.2 billion in 2025 (base year), held in a structurally balanced but supplier-leaning position as US coal retirements compress the addressable parc while cycling-induced creep-fatigue damage on the remaining fleet keeps replacement intensity elevated. Cold-drawn seamless alloy-steel tube (ASME SA-213 T11/T22) is the primary feedstock, with US 2026-Q2 spot at USD 4,200/MT and EU equivalent at EUR 3,950/MT (USD 4,250-4,300/MT at current FX) [Industry pricing reports, MEDIUM confidence]. The headline 7-year CAGR is 3.4%, conservative against a 5-6% headline that some adjacent boiler OEMs have published, because the MRO tube sub-segment is replacement-driven off a shrinking coal parc rather than new-build-driven. > **Analyst Take.** Our view: the consensus "boiler MRO grows at 5-6%" reads too much new-build

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