ISO 21452:2025Published

Specification and requirements of thermal spray coatings for power plant boiler tubes

Spécification et exigences des revêtements de projection thermiques pour les tubes de chaudière des centrales électriques

Abstract / scope

This document specifies the procedure and requirements of thermal sprayed coatings for water walls and superheaters of coal-fired and biomass boilers involving the selection of coating materials, pre-treatment, 12/15CrMoV steel substrate preparation and post-treatment as well as the quality and performance evaluation of the coatings.