ASTM G70-81(1998)

    Standard Test Method for Ring Bendability of Pipeline Coatings (Squeeze Test) (Withdrawn 2007)

    Withdrawn Standard: ASTM G70-81(1998) | Developed by Subcommittee: D01.48

    WITHDRAWN, NO REPLACEMENT


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    Withdrawn Rationale:

    This test method covers testing the relative resistance of pipeline coatings to cracking and spalling from deformation of the pipe by observing the effects of diametral compression of ring samples. The method is limited to thin film coatings having an elongation not exceeding 5.0 %.

    Formerly under the jurisdiction of Committee D01 on Paint and Related Coatings, Materials, and Applications, this test method was withdrawn in March 2007 in accordance with section 10.5.3.1 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by the end of the eighth year since the last approval date.

    1. Scope

    1.1 This method covers testing the relative resistance of pipeline coatings to cracking and spalling from deformation of the pipe by observing the effects of diametral compression of ring samples. The method is limited to thin film coatings having an elongation not exceeding 5.0%.

    1.2 The values stated in SI units are to be regarded as the standard.

    1.3 This standard does not purport to address all of the safety problems, 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

    G12 Test Method for Nondestructive Measurement of Film Thickness of Pipeline Coatings on Steel

    G62 Test Methods for Holiday Detection in Pipeline Coatings


    DOI: 10.1520/G0070-81R98

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