• I.S. EN 4707:2020

    Current The latest, up-to-date edition.

    Aerospace series - Acid pickling of aluminium and aluminium alloys without hexavalent chromium

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  03-02-2020

    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.

    Add To Cart

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

    European foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Purpose of process
    5 Information for the processor
    6 Condition of parts prior to processing
    7 Process requirements
    8 Required characteristics and inspection
    9 Quality assurance
    Annex A (normative) Pickling bath
    Annex B (informative) Example of composition and pickling parameters for pickling bath type C 11
    Annex C (informative) Standard evolution form
    Bibliography

    Abstract - (Show below) - (Hide below)

    This document specifies the acid pickling of aluminium and aluminium alloys free from hexavalent chromium.

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

    Document Type Standard
    Product Note The date of any NSAI previous adoption may not match the date of its original CEN/CENELEC document.<br>
    Publisher National Standards Authority of Ireland
    Status Current
    Supersedes
    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective