ASTM A939-07(2012)

    Standard Practice for Ultrasonic Examination from Bored Surfaces of Cylindrical Forgings


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    1. Scope

    1.1 This practice covers a basic procedure of ultrasonically inspecting cylindrical forgings with bores from the bore surface.

    1.2 This practice applies to the manual testing mode. It does not restrict the use of other testing modes, such as mechanized or automated.

    1.3 This practice applies to cylindrical forgings having bore sizes equal to or greater than 2.5 in. (63.5 mm).

    1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

    1.5 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.


    ICS Code

    ICS Number Code 77.140.85 (Iron and steel forgings)

    UNSPSC Code

    UNSPSC Code 31132100(Steel forgings)


    Referencing This Standard

    DOI: 10.1520/A0939-07R12

    ASTM International is a member of CrossRef.


    Citation Format

    ASTM A939-07(2012), Standard Practice for Ultrasonic Examination from Bored Surfaces of Cylindrical Forgings , ASTM International, West Conshohocken, PA, 2012, www.astm.org

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