ASTM A 939 Standard Practice for Ultrasonic Examination from Bored Surfaces of Cylindrical Forgings

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ASTM A 939 Document Information:

Title
Standard Practice for Ultrasonic Examination from Bored Surfaces of Cylindrical Forgings

ASTM International

Publication Date:
May 1, 2007

Scope:

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

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

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

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.

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.

*A Summary of Changes section appears at the end of this standard.

Keywords:

bore inspection

bored turbine rotor

forgings

ultrasonic examination

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