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    I.S. EN ISO 18086:2020

    Current The latest, up-to-date edition.

    Corrosion of metals and alloys - Determination of AC corrosion - Protection criteria (ISO 18086:2019)

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  27-01-2021

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Cathodic protection persons competence
    5 Assessment of the AC influence
    6 Evaluation of the AC corrosion likelihood
    7 Acceptable interference levels
    8 Measurement techniques
    9 Mitigation measures
    10 Commissioning
    11 Monitoring and maintenance
    Annex A (informative) Simplified description of the AC corrosion phenomenon
    Annex B (informative) Coupons and probes
    Annex C (informative) Coulometric oxidation
    Annex D (informative) Influence of soil characteristics on the AC corrosion process
    Annex E (informative) Other criteria that have been used in the presence of AC influence
    Annex F (informative) Parameters to take into account to choose a DC decoupling device
    Annex G (informative) Method to determine the reference electrode location to remote earth
    Annex H (informative) Simultaneous measurement on coupon current densities with high rate
    Bibliography

    Abstract - (Show below) - (Hide below)

    This document specifies protection criteria for determining the AC corrosion risk of cathodically protected pipelines.

    General Product Information - (Show below) - (Hide below)

    Committee TC 156
    Document Type Standard
    Product Note The date of any NSAIprevious adoption may not matchthe date of its original CEN/CENELEC document.<br>
    Publisher National Standards Authority of Ireland
    Status Current
    Supersedes
    View more information

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