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The instrument used for this test method shall be the electronic pulsed reflection type. Historical Version s – view previous versions of standard.

Standard Practice for Ultrasonic Examination of Austenitic Steel Forgings

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. This practice does not cover the ultrasonic examination of nonmagnetic retaining ring forgings. Quality levels for acceptance, established by the type and amount of indication present, are detailed thoroughly.


Link to Active This link will always route to the current Active version of the standard.

ASTM A / AM – 15 Standard Practice for Ultrasonic Examination of Austenitic Steel Forgings

It is informational only and not an official part of the standard; the full text of the standard itself must be asttm to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

Combining values from the two systems may result in nonconformance with the standard. Prior to examination, specimens shall be heat treated and machined to a rectangular, parallel, or concentric surface configuration, and its surface shall be free of extraneous material such as loose a75, paint, and dirt.

Calibration of the apparatus shall be done by either the single-block method or distance-amplitude curve method. The values stated in either inch-pound units or SI units are to be regarded separately as standard. ICS Number Code The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.


The supplementary requirements shall apply only when specified individually by the purchaser in the purchase order or contract.

This test method deals with the procedures for the standard practice of performing contact, pulse-echo ultrasonic examination of austenitic steel forgings by the straight and angle beam techniques.

Choice of method to be employed shall be determined by the test metal distance involved.

ASTM A745/A745M – 15

Within the practice, the SI units are shown in brackets. This abstract is a brief summary of the referenced standard.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.