NF EN ISO 16151

NF EN ISO 16151

July 2018
Standard Current

Corrosion of metals and alloys - Accelerated cyclic test with exposure to acidified salt spray, dry and wet conditions

This document specifies two accelerated corrosion-test procedures, Methods A and B, for the comparative evaluation of metallic materials with or without permanent corrosion protection or temporary corrosion protection in outdoor salt and/or acid rain environments. It also specifies the apparatus used. The two tests involve cyclic exposure of the specimens to acidified salt spray, "dry" and "wet" conditions. The particular advantages of the two tests over conventional accelerated tests, such as the neutral salt spray (NSS) test as specified in ISO 9227 lie in their better ability to reproduce the corrosion that occurs in outdoor salt and/or acid rain environments. They are also useful for evaluating cosmetic corrosion. Method A is applicable to — metals and their alloys, — metallic coatings (cathodic), — anodic oxide coatings, and — organic coatings on metallic materials. Method B is applicable to — steel coated with anodic coatings, and — steel coated with anodic coatings covered with conversion coatings.

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Main informations

Collections

National standards and national normative documents

Publication date

July 2018

Number of pages

29 p.

Reference

NF EN ISO 16151

ICS Codes

77.060   Corrosion of metals

Classification index

A05-116

Print number

1

International kinship

ISO 16151:2018

European kinship

EN ISO 16151:2018
Sumary
Corrosion of metals and alloys - Accelerated cyclic test with exposure to acidified salt spray, dry and wet conditions

This document specifies two accelerated corrosion-test procedures, Methods A and B, for the comparative evaluation of metallic materials with or without permanent corrosion protection or temporary corrosion protection in outdoor salt and/or acid rain environments. It also specifies the apparatus used. The two tests involve cyclic exposure of the specimens to acidified salt spray, "dry" and "wet" conditions.

The particular advantages of the two tests over conventional accelerated tests, such as the neutral salt spray (NSS) test as specified in ISO 9227 lie in their better ability to reproduce the corrosion that occurs in outdoor salt and/or acid rain environments. They are also useful for evaluating cosmetic corrosion.

Method A is applicable to

— metals and their alloys,

— metallic coatings (cathodic),

— anodic oxide coatings, and

— organic coatings on metallic materials.

Method B is applicable to

— steel coated with anodic coatings, and

— steel coated with anodic coatings covered with conversion coatings.

Replaced standards (1)
NF EN ISO 16151
August 2008
Standard Cancelled
Corrosion of metals and alloys - Accelerated cyclic tests with exposure to acidified salt spray, "dry" and "wet" conditions

<p>ISO 16151:2005 specifies two accelerated corrosion-test procedures, Methods A and B, for the comparative evaluation of metallic materials with or without permanent corrosion protection or temporary corrosion protection in outdoor salt/acid rain environments. It also specifies the apparatus used. The two tests involve cyclic exposure of the specimens to acidified salt spray, dry and wet conditions.</p>

Table of contents
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  • Avant-propos
  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Solution d'essai
  • 5 Appareillage
  • 6 Éprouvettes
  • 7 Disposition de l'éprouvette
  • 8 Conditions opératoires
  • 9 Continuité des essais
  • 10 Durée des essais
  • 11 Traitement des éprouvettes après essai
  • 12 Évaluation des résultats
  • 13 Rapport d'essai
  • Annexe D (normative) Préparation des éprouvettes avec revêtements organiques pour les essais
  • Annexe E (normative) Informations complémentaires requises pour les essais des éprouvettes avec revêtement organique
  • Annexe A (informative) Relation entre la quantité de solution mère acide ajoutée à la solution saline mixte et le pH de la solution saline acidifiée obtenue
  • Annexe B (informative) Appareillage type d'essai cyclique accéléré avec exposition au brouillard salin acidifié, dans des conditions "sèches" et "humides"
  • Annexe C (informative) Méthode d'évaluation de la corrosivité de l'appareillage
  • Bibliographie
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