Skip to content
Please enter a keyword to search
  • Preview

    ISO/TR 15922:2011

    Current The latest, up-to-date edition.

    Metallic and other inorganic coatings Evaluation of properties of dark-stain phenomenon of chromated coiled or sheet product

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English

    Published date:  05-12-2011

    Publisher:  International Organization for Standardization

    Add To Cart

    Abstract - (Show below) - (Hide below)

    ISO/TR 15922:2011 describes the methods to evaluate the properties of dark-stain phenomenon observed in chromate conversion-coated coiled and sheet products.

    Chromate conversion coatings, with trivalent or hexavalent chromium ions, are applied to hot-dip metallic zinc and electroplated-zinc steel products to enhance corrosion resistance of the components.

    When zinc-coated packed coiled and sheet products with conversion coatings are unpacked after long-term storage at elevated temperature and high relative humidity, the surface of the sheet products appears tarnished. This discolouration appears as dark or black stain and influences the appearance and corrosion resistance, when parts are produced using these affected sheets.

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

    Document Type Technical Report
    Publisher International Organization for Standardization
    Status Current

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

    IEC 60068-3-6:2001 Environmental testing - Part 3-6: Supporting documentation and guidance - Confirmation of the performance of temperature/humidity chambers
    ISO 2859:1974 Sampling procedures and tables for inspection by attributes
    ISO 3892:2000 Conversion coatings on metallic materials Determination of coating mass per unit area Gravimetric methods
    ASTM D 2244 : 2016 : REDLINE Standard Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates
    IEC 60068-3-5:2001 Environmental testing - Part 3-5: Supporting documentation and guidance - Confirmation of the performance of temperature chambers
    ISO 4519:1980 Electrodeposited metallic coatings and related finishes — Sampling procedures for inspection by attributes
    ISO 3497:2000 Metallic coatings Measurement of coating thickness X-ray spectrometric methods
    ISO 4520:1981 Chromate conversion coatings on electroplated zinc and cadmium coatings
    ISO 6789:2003 Assembly tools for screws and nuts Hand torque tools Requirements and test methods for design conformance testing, quality conformance testing and recalibration procedure
    ISO 3613:2010 Metallic and other inorganic coatings Chromate conversion coatings on zinc, cadmium, aluminium-zinc alloys and zinc-aluminium alloys Test methods
    IEC 60068-2-30:2005 Environmental testing - Part 2-30: Tests - Test Db: Damp heat, cyclic (12 h + 12 h cycle)
    View more information

    • 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