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EN 12500 : 2000

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

PROTECTION OF METALLIC MATERIALS AGAINST CORROSION - CORROSION LIKELIHOOD IN ATMOSPHERIC ENVIRONMENT - CLASSIFICATION, DETERMINATION AND ESTIMATION OF CORROSIVITY OF ATMOSPHERIC ENVIRONMENTS
Superseded date

01-02-2012

Published date

12-01-2013

Publisher

Comite Europeen de Normalisation

Introduction
1 Scope
2 Normative references
3 Terms and definitions
  3.1 Corrosivity
  3.2 Corrosion likelihood
  3.3 Type of atmospheric environment
  3.4 Category of location
  3.5 Time of wetness
4 Classification of corrosivity of atmospheric
  environments
5 Determination of corrosivity categories
6 Estimation of corrosivity categories
  6.1 General
  6.2 Climatic influences
  6.3 Types of atmospheric environment
  6.4 Categories of location
      6.4.1 General
      6.4.2 Outdoor atmosphere
      6.4.3 Indoor atmosphere
Annex A (normative) Description of standard specimens and
        exposure conditions for determination of corrosivity
        categories
Annex B (normative) Chemical cleaning procedures for removal
        of corrosion products (in accordance with ISO 9226)
Annex C (informative) Correspondence between the mass loss
        per unit surface area and the thickness loss after
        1 year exposure for the corrosivity categories
Annex D (informative) Calculated time of wetness and selected
        climatological characteristics of the macroclimatic
        zones of the earth
Annex E (informative) Description of typical atmospheric
        environments related to the estimation of corrosivity
        categories
Bibliography

Specifies a classification system for corrosivity of atmospheric environments. Defines corrosivity categories of atmospheric environments accounting for ISO 9223; describes the determination of corrosivity assessing the mass loss of standard specimens after the first year of exposure; estimates the corrosivity of an environment based on knowledge of local conditions (or specific data that characterize them), where an experimental determination is not possible. The classification system contributes to the knowledge and comparison of corrosivity of atmospheric environments at different locations; the choice of materials and corrosion protection measures. Cannot determine corrosivity categories from exposure periods less or greater than the first year.

Committee
TC 262
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Superseded
SupersededBy

Standards Relationship
NS EN 12500 : 1ED 2000 Identical
PN EN 12500 : DEC 2002 Identical
NEN EN 12500 : 2000 Identical
BS EN 12500:2000 Identical
NBN EN 12500 : 2000 Identical
SN EN 12500 : 2000 Identical
I.S. EN 12500:2000 Identical
UNI EN 12500 : 2002 Identical
NF EN 12500 : 2000 Identical
DIN EN 12500:2000-12 Identical
UNE-EN 12500:2000 Identical

BS EN ISO 12683:2004 Mechanically deposited coatings of zinc. Specification and test methods
ISO 12683:2004 Mechanically deposited coatings of zinc Specification and test methods
EN ISO 12683 : 2004 Mechanically deposited coatings of zinc - Specification and test methods (ISO 12683:2004)
DIN EN ISO 12683:2005-02 Mechanically deposited coatings of zinc - Specification and test methods (ISO 12683:2004); German version EN ISO 12683:2004

ISO 9223:2012 Corrosion of metals and alloys — Corrosivity of atmospheres — Classification, determination and estimation
ISO 9226:2012 Corrosion of metals and alloys — Corrosivity of atmospheres — Determination of corrosion rate of standard specimens for the evaluation of corrosivity
ISO 9224:2012 Corrosion of metals and alloys — Corrosivity of atmospheres — Guiding values for the corrosivity categories
ISO 9225:2012 Corrosion of metals and alloys — Corrosivity of atmospheres — Measurement of environmental parameters affecting corrosivity of atmospheres
IEC 60721-2-1:2013 Classification of environmental conditions - Part 2-1: Environmental conditions appearing in nature - Temperature and humidity
EN ISO 8044:2015 Corrosion of metals and alloys - Basic terms and definitions (ISO 8044:2015)
ISO 12944-2:2017 Paints and varnishes — Corrosion protection of steel structures by protective paint systems — Part 2: Classification of environments
ISO 8407:2009 Corrosion of metals and alloys Removal of corrosion products from corrosion test specimens
ISO 8565:2011 Metals and alloys Atmospheric corrosion testing General requirements

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