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Full Description

1.1''This practice2 provides guidelines for measuring the thickness of materials using the contact pulse-echo method at temperatures not to exceed 93'''''C [200'''''F].

1.2''This practice is applicable to any material in which ultrasonic waves will propagate at a constant velocity throughout the part, and from which back wall reflections can be obtained and resolved.

1.3''This practice is primarily for flat components with parallel surfaces and has limited applicability for components with non-parallel or concentric surfaces per 1.2.

1.4''Units'''The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.6''This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

 

Document History

  1. ASTM E797/E797M-21

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    Standard Practice for Measuring Thickness by Manual Ultrasonic Pulse-Echo Contact Method

    • Most Recent
  2. ASTM E797/E797M-15


    Standard Practice for Measuring Thickness by Manual Ultrasonic Pulse-Echo Contact Method

    • Historical Version
  3. ASTM E797/E797M-10


    Standard Practice for Measuring Thickness by Manual Ultrasonic Pulse-Echo Contact Method

    • Historical Version
  4. ASTM E797-05


    Standard Practice for Measuring Thickness by Manual Ultrasonic Pulse-Echo Contact Method

    • Historical Version
  5. ASTM E797-95(2001)


    Standard Practice for Measuring Thickness by Manual Ultrasonic Pulse-Echo Contact Method

    • Historical Version
  6. ASTM E797-95


    Standard Practice for Measuring Thickness by Manual Ultrasonic Pulse-Echo Contact Method

    • Historical Version