ISO 22479:2019

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

Publication date: May 14, 2019

General information

Current stage: 90.92 Effective date: Jul 11, 2025

Originator: ISO

Owner: ISO/TC 156

Type: International Standard

ICS: 77.060

Languages: English French

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Status: Published

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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

WITHDRAWN
ISO 3231:1993

WITHDRAWN
ISO 6988:1985

NOW

PUBLISHED
ISO 22479:2019
90.92 Standard to be revised
Jul 11, 2025

REVISED BY

IN_DEVELOPMENT
ISO/CD 22479