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UNI EN ISO 9224 : 2012

Current
Current

The latest, up-to-date edition.

CORROSION OF METALS AND ALLOYS - CORROSIVITY OF ATMOSPHERES - GUIDING VALUES FOR THE CORROSIVITY CATEGORIES
Published date

03-01-2012

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Prediction of corrosion attack after
  extended exposure
6 Specific criteria for calculation of
  corrosion rates of structural metals
7 Long-term exposures
Annex A (informative) - Example of maximum
        corrosion attack after extended exposures
        for corrosivity categories
Annex B (informative) - Average initial corrosion
        rates and average steady corrosion rates in
        intervals relative to classified corrosivity
        categories
Annex C (informative) - Prediction of corrosion attack
        of steels with regard to steel composition
Bibliography

Describes guiding values of corrosion attack for metals and alloys exposed to natural outdoor atmospheres for exposures greater than one year.

DevelopmentNote
Together with UNI EN ISO 9223, UNI EN ISO 9225 and UNI EN ISO 9226, it supersedes UNI EN 12500. (03/2012)
DocumentType
Standard
PublisherName
Ente Nazionale Italiano di Unificazione (UNI)
Status
Current
Supersedes

Standards Relationship
EN ISO 9224:2012 Identical
ISO 9224:2012 Identical

ISO 9223:2012 Corrosion of metals and alloys — Corrosivity of atmospheres — Classification, determination and estimation
ISO 11303:2002 Corrosion of metals and alloys Guidelines for selection of protection methods against atmospheric corrosion
ISO 14713-1:2017 Zinc coatings — Guidelines and recommendations for the protection against corrosion of iron and steel in structures — Part 1: General principles of design and corrosion resistance
ISO 9225:2012 Corrosion of metals and alloys — Corrosivity of atmospheres — Measurement of environmental parameters affecting corrosivity of atmospheres
ISO 8044:2015 Corrosion of metals and alloys Basic terms and definitions

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