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  • EN 4729:2017

    Current The latest, up-to-date edition.

    Aerospace series - Trivalent chromium based chemical conversion coatings for aluminium and aluminium alloys

    Available format(s): 

    Language(s): 

    Published date:  06-09-2017

    Publisher:  Comite Europeen de Normalisation

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

    European foreword
    1 Scope
    2 Purpose of process
    3 Normative references
    4 Terms and definitions
    5 Applicability and limitations of the process
    6 Classification
    7 Requirements
    8 Main technical engineering requirements
    9 Quality requirements
    10 Quality assurance
    11 Health, safety and environmental aspects
    12 Designation

    Abstract - (Show below) - (Hide below)

    This European Standard specifies trivalent chromium based chemical conversion coatings for aluminium and aluminium alloys. It covers the application by bath but also by touch-up. It doesn’t give complete in house process instructions; these shall be given in the manufacturers detailed process instructions.

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

    Committee ASD-STAN
    Development Note Supersedes PREN 4729. (10/2017)
    Document Type Standard
    Publisher Comite Europeen de Normalisation
    Status Current
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    PREN 3837 : 200P1 AEROSPACE SERIES - PAINTS AND VARNISHES - NATURE AND METHOD FOR SURFACE PREPARATION OF TEST PIECES IN ALUMINIUM ALLOYS

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 9100:2009 Quality Management Systems - Requirements for Aviation, Space and Defense Organizations
    EN ISO 2409:2013 Paints and varnishes - Cross-cut test (ISO 2409:2013)
    EN ISO 9227:2017 Corrosion tests in artificial atmospheres - Salt spray tests (ISO 9227:2017)
    EN 4707:2014 Aerospace series - Acid pickling of aluminum and aluminum alloy without hexavalent chromium
    EN ISO 3892 : 2001 CONVERSION COATINGS ON METALLIC MATERIALS - DETERMINATION OF COATING MASS PER UNIT AREA - GRAVIMETRIC METHODS
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