SFS-EN ISO 12944-2:2017

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Scope

ISO 12944-2:2017 deals with the classification of the principal environments to which steel structures are exposed, and the corrosivity of these environments. ISO 12944-2:2017 - defines atmospheric-corrosivity categories, based on mass loss (or thickness loss) by standard specimens, and describes typical natural atmospheric environments to which steel structures are exposed, giving advice on the estimation of the corrosivity, - describes different categories of environment for structures immersed in water or buried in soil, and - gives information on some special corrosion stresses that can cause a significant increase in corrosion rate or place higher demands on the performance of the protective paint system. The corrosion stresses associated with a particular environment or corrosivity category represent one essential parameter governing the selection of protective paint systems.

The standards writing body responsible for this document in Finland is Kemesta.

Table of contents

Product group(s)

87.020 Paint coating processes »
91.080.13 Steel structures »

Relationships

Normative references

ISO 12944-1:2017 Paints and varnishes -- Corrosion protection of steel structures by protective paint systems -- Part 1: General introduction
ISO 12944-3:2017 Paints and varnishes -- Corrosion protection of steel structures by protective paint systems -- Part 3: Design considerations
ISO 12944-4:2017 Paints and varnishes -- Corrosion protection of steel structures by protective paint systems -- Part 4: Types of surface and surface preparation

Technical committee

CEN/TC 139 Paints and varnishes »

Date of implementation

29.12.2017

Published

27.02.2018

Edition

Pages

Language(s)

Finnish/English