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ISO/CD 22479

Corrosion of metals and alloys — Sulfur dioxide test in a humid atmosphere (fixed gas method)

General information

Current stage: 30.99 Effective date: Jul 15, 2025

Originator: ISO

Owner: ISO/TC 156

Type: International Standard

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
ISO 22479:2019

NOW

IN_DEVELOPMENT
ISO/CD 22479
30.99 CD approved for registration as DIS
Jul 15, 2025