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ASTM E797-95

ASTM E797-95

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

2017-08-16 /Historical
Superseeded by:

1.1 This practice provides guidelines for measuring the thickness of materials using the contact pulse-echo method at temperatures not to exceed 200oF (93oC).

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 reflections can be obtained and resolved.

1.3 The values stated in either inch-pound or SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.4 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.

contact examination; nondestructive testing; pulse-echo; thickness measurement; ultrasonics
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