Standard: ASTM E164


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This practice covers techniques for the ultrasonic A-scan examination of specific weld configurations joining wrought ferrous or aluminum alloy materials to detect weld discontinuities (see Note 1). The reflection method using pulsed waves is specified. Manual techniques are described employing contact of the search unit through a couplant film or water column.

This practice utilizes angle beams or straight beams, or both, depending upon the specific weld configurations. Practices for special geometries such as fillet welds and spot welds are not included. The practice is intended to be used on thicknesses of 0.250 to 8 in. (6.4 to 203 mm).

NOTE 1—This practice is based on experience with ferrous and aluminum alloys. Other metallic materials can be examined using this practice provided reference standards can be developed that demonstrate that the particular material and weld can be successfully penetrated by an ultrasonic beam.

NOTE 2—For additional pertinent information see Practice E317, Terminology E1316, and Practice E587.

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

Organization: ASTM International
Document Number: astm e164
Publish Date: 2013-06-01
Page Count: 24
Available Languages: EN
DOD Adopted: NO
ANSI Approved: NO
Most Recent Revision: YES
Current Version: YES
Status: Active

Document History

Document # Change Type Update Date Revision Status
ASTM E164 Change Type: STCH Update Date: 2008-07-01 Revision: 08 Status: INAC
ASTM E164 Change Type: Update Date: 2003-08-10 Revision: 03 Status: INAC
ASTM E164 Change Type: Update Date: 1997-12-10 Revision: 97 Status: INAC
ASTM E164 Change Type: Update Date: 1994-09-15 Revision: 94A Status: INAC
ASTM E164 Change Type: Update Date: 1994-05-15 Revision: 94 Status: INAC
ASTM E164 Change Type: Update Date: 1993-09-15 Revision: 93 Status: INAC
ASTM E164 Change Type: Update Date: 1992-11-15 Revision: 92A Status: INAC
ASTM E164 Change Type: Update Date: 1992-09-15 Revision: 92 Status: INAC
ASTM E164 Change Type: Update Date: 1990-10-26 Revision: 90 Status: INAC
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