ASTM E1001-04

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Designation:E1001–04
Standard Practice for
Detection and Evaluation of Discontinuities by the
Immersed Pulse-Echo Ultrasonic Method Using Longitudinal
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Waves
This standard is issued under the fixed designation E 1001; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope E 214 Practice for Immersed Ultrasonic Examination by the
Reflection Method Using Pulsed Longitudinal Waves
1.1 This practice describes procedures for the ultrasonic
E 317 Practice for Evaluating Performance Characteristics
examination of bulk materials or parts by transmitting pulsed,
of Ultrasonic Pulse-Echo Testing Systems Without the Use
longitudinal waves through a liquid couplant into the material
of Electronic Measurement Instruments
and observing the indications of reflected waves (Fig. 1). It
E 428 Practice for Fabrication and Control of Steel Refer-
covers only examinations in which one search unit is used as
ence Blocks Used in Ultrasonic Inspection
bothtransmitterandreceiver(pulse-echo)andinwhichthepart
E 1316 Terminology for Nondestructive Examinations
or material being examined is totally submerged in the cou-
2.2 ASNT Documents:
plant (immersion testing). This practice includes general re-
SNT-TC-1A Recommended Practice for Personnel Qualifi-
quirements and procedures which may be used for detecting
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cation and Certification in Nondestructive Testing
discontinuities and for making a relative or approximate
ANSI/ASNT-CP-189 Standard for Qualification and Certi-
evaluation of the size of discontinuities.
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fication of Nondestructive Testing Personnel
1.2 This practice complements Practice E 214 by providing
2.3 Military Standards:
more detailed procedures for the selection and calibration of
MIL-STD-410E Nondestructive Testing Personnel Qualifi-
the inspection system and for evaluation of the indications
cation and Certification (Eddy-Current, Liquid Penetrant,
obtained.
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Magnetic Particle, Radiographic, and Ultrasonic)
1.3 This standard does not purport to address all of the
NAS-410 Nondestructive Testing Personnel Qualification
safety concerns, if any, associated with its use. It is the
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and Certification
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
3. Terminology
bility of regulatory limitations prior to use.
3.1 Definitions:
2. Referenced Documents 3.1.1 For definitions of terms used in this practice, see
2 Terminology E 1316.
2.1 ASTM Standards:
3.2 Definitions of Terms Specific to This Standard:
C 1212 Practice for Fabricating Ceramic Reference Speci-
3.2.1 effective beam diameter—that distance through which
mens Containing Seeded Voids
a search unit can be traversed across a calibration reflector so
C 1336 Practice for Fabricating Non-Oxide Ceramic Refer-
that the corresponding echo amplitude is at least one half (-6
ence Specimens Containing Seeded Inclusions
dB)ofthemaximumamplitude.Theeffectivebeamdiameteris
E 127 Practice for Fabricating and Checking Aluminum
notacharacteristicofthesearchunitalone,butisdependenton
Alloy Ultrasonic Standard Reference Blocks
propagating medium, distance to the discontinuity, reflector
geometry, etc.
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This practice is under the jurisdiction of ASTM Committee E07 on Nonde-
3.2.2 scan index—the length of the step created by rastering
structive Testing and is the direct responsibility of Subcommittee E07.06 on
the search unit over the part, that is continuously scanning in
Ultrasonic Testing Procedure.
Current edition approved January 1, 2004. Published February 2004. Originally
approved in 1984. Last previous edition approved in 1999 as E 1001 - 99a.
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available fromTheAmerican Society for NondestructiveTesting (ASNT), P.O.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Box 28518, 1711 Arlingate Ln., Columbus, OH 43228-0518.
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Standards volume information, refer to the standard’s Document Summary page on AvailablefromStandardizationDocumentsOrderDesk,Bldg.4SectionD,700
the ASTM website. Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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E1001–04
FIG. 1 Basic Immersion Setup
TABLE 1 Minimum Equipment Requirements (Longitudinal Wave)
one direction, then stepping in the direction perpendicular to
Ultrasonic Test
the scan. The allowable scan index shoul
...