20.20 Feb 13, 2026
ISO
ISO/TC 11
International Standard
This document specifies the method for determining comparability of ferrous materials for boilers and pressure vessels, including principles, steps, and material data requirements.
This document is applicable to the selection of material substitution for boiler and pressure vessel as specified in ISO 16528 or standards from other regional/national standardization organization(s).
IN_DEVELOPMENT
ISO/WD 25916-1
20.20
Working draft (WD) study initiated
Feb 13, 2026