ASTM D5065 - 13

    Standard Guide for Assessing the Condition of Aged Coatings on Steel Surfaces

    Active Standard ASTM D5065 | Developed by Subcommittee: D01.46

    Book of Standards Volume: 06.02


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    Significance and Use

    4.1 Assessment of the condition of aged coated surfaces strengthens decisions on when coating maintenance is required, aids in the selection of effective coating maintenance procedures, and provides a means to characterize performance of coating systems.

    1. Scope

    1.1 This guide describes general procedures for conducting a detailed assessment of the condition of aged coatings on steel structures and the extent of rust breakthrough of the coated surface. Additional assessment may be required to support coating failure analyses or other job specific needs.

    1.2 This guide does not address the problem of determining the structural condition of a steel substrate. It provides procedures to determine the percent of the surface rusted, but not the severity, condition, or cause of such rusting.

    Note 1A more comprehensive condition assessment procedure, Practice F1130, has been developed for determining the condition of coatings on a ship.

    1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D610 Practice for Evaluating Degree of Rusting on Painted Steel Surfaces

    D660 Test Method for Evaluating Degree of Checking of Exterior Paints

    D714 Test Method for Evaluating Degree of Blistering of Paints

    D3359 Test Methods for Measuring Adhesion by Tape Test

    D4214 Test Methods for Evaluating the Degree of Chalking of Exterior Paint Films

    D4541 Test Method for Pull-Off Strength of Coatings Using Portable Adhesion Testers

    D5702 Practice for Field Sampling of Coating Films for Analysis for Heavy Metals

    D6206 Practice for Sampling of Coating Films

    D6677 Test Method for Evaluating Adhesion by Knife

    D7091 Practice for Nondestructive Measurement of Dry Film Thickness of Nonmagnetic Coatings Applied to Ferrous Metals and Nonmagnetic, Nonconductive Coatings Applied to Non-Ferrous Metals

    F1130 Practice for Inspecting the Coating System of a Ship

    Steel Structures Painting Council Standard

    SSPC-PA-2 Procedure for Determining Conformance to Dry Coating Thickness Requirements


    ICS Code

    ICS Number Code 25.220.99 (Other treatments and coatings)

    UNSPSC Code

    UNSPSC Code 46181533(Protective coats)


    DOI: 10.1520/D5065

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