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prEN ISO 22479

Corrosion of metals and alloys - Sulfur dioxide test in a humid atmosphere (fixed gas method) (ISO/DIS 22479:2026)

Publication date:   Jan 22, 2026

General information

45.99   Dispatch of FV draft to CCMC   Oct 15, 2026

CEN

CEN/TC 262 Metallic and other inorganic coatings, including for corrosion protection and corrosion testing of metals and alloys

European Norm

77.060   Corrosion of metals

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Scope

This document specifies a method for assessing the resistance of materials or products to a humid atmosphere containing sulfur dioxide.
This method is applicable to testing metals and alloys, metallic and non-organic coatings and organic coatings.

Life cycle

PREVIOUSLY

PUBLISHED
EN ISO 22479:2022

NOW

IN_DEVELOPMENT
prEN ISO 22479
45.99 Dispatch of FV draft to CCMC
Oct 15, 2026