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ASTM A745/A745M-94(2009)

Historical Reaffirmation

Standard Practice for Ultrasonic Examination of Austenitic Steel Forgings

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1.1 This practice covers the standards and procedures for the contact, pulse-echo ultrasonic examination of austenitic steel forgings by the straight or angle beam techniques, or both.

1.2 This practice shall be used whenever the inquiry, proposal, contract, order, or specification states that austenitic steel forgings are to be subject to ultrasonic examination in accordance with Practice A 745/A 745M. Ultrasonic examination of nonmagnetic retaining ring forgings should be made to Practice A 531/A 531M, not to this practice.

1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

1.4 This practice and the applicable material specifications are expressed in both inch-pound units and SI units. However, unless the order specifies the applicable M specification designation [SI units], the material shall be furnished to inch-pound units.

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.

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. This practice does not cover the ultrasonic examination of nonmagnetic retaining ring forgings. The instrument used for this test method shall be the electronic pulsed reflection type. 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 scale, paint, and dirt. Calibration of the apparatus shall be done by either the single-block method or distance-amplitude curve method. Choice of method to be employed shall be determined by the test metal distance involved. Quality levels for acceptance, established by the type and amount of indication present, are detailed thoroughly.


SDO ASTM: ASTM International
Document Number A745
Publication Date April 1, 2009
Language en - English
Page Count 5
Revision Level 94(2009)
Supercedes
Committee A01.06
Publish Date Document Id Type View
May 1, 2024 A0745_A0745M-24 Revision
May 1, 2020 A0745_A0745M-20 Revision
May 1, 2015 A0745_A0745M-15 Revision
March 1, 2012 A0745_A0745M-12 Revision
April 1, 2009 A0745_A0745M-94R09 Reaffirmation
Oct. 1, 2003 A0745_A0745M-94R03 Reaffirmation
Sept. 10, 1999 A0745_A0745M-94R99 Reaffirmation