Standard Test Method for Examination of Liquid Filled Atmospheric and Low Pressure Metal Storage Tanks Using Acoustic Emission

SCOPE
1.1 This test method covers guidelines for acoustic emission (AE) examinations of new and in-service aboveground storage tanks of the type used for storage of liquids.
1.2 This test method will detect acoustic emission in areas of sensor coverage that are stressed during the course of the examination. For flat-bottom tanks these areas will generally include the sidewalls (and roof if pressure is applied above the liquid level). The examination may not detect flaws on the bottom of flat-bottom tanks unless sensors are located on the bottom.
1.3 This test method may require that the tank experience a load that is greater than that encountered in normal use. The normal contents of the tank can usually be used for applying this load.
1.4 This test method is not valid for tanks that will be operated at a pressure greater than the examination pressure.
1.5 It is not necessary to drain or clean the tank before performing this examination.
1.6 This test method applies to tanks made of carbon steel, stainless steel, aluminum and other metals.
1.7 This test method may also detect defects in tank linings (for example, high-bulk, phenolics and other brittle materials).
1.8 AE measurements are used to detect and localize emission sources. Other NDT methods may be used to confirm the nature and significance of the AE indications (s). Procedures for other NDT techniques are beyond the scope of this test method.
1.9 Examination liquid must be above its freezing temperature and below its boiling temperature.
1.10 Superimposed internal or external pressures must not exceed design pressure.
1.11 Leaks may be found during the course of this examination but their detection is not the intention of this test method.
1.12 The values stated in inch-pound units are to be regarded as the standard. The SI units given in parentheses are for information only.
1.13 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. Specific precautionary statements are given in Section 8.

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Publication Date
09-Jul-2002
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ASTM E1930-02 - Standard Test Method for Examination of Liquid Filled Atmospheric and Low Pressure Metal Storage Tanks Using Acoustic Emission
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:E1930–02
Standard Test Method for
Examination of Liquid-Filled Atmospheric and Low-Pressure
1
Metal Storage Tanks Using Acoustic Emission
This standard is issued under the fixed designation E 1930; 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.
1. Scope 1.12 The values stated in inch-pound units are to be re-
garded as the standard. The SI units given in parentheses are
1.1 Thistestmethodcoversguidelinesforacousticemission
for information only.
(AE) examinations of new and in-service aboveground storage
1.13 This standard does not purport to address all of the
tanks of the type used for storage of liquids.
safety concerns, if any, associated with its use. It is the
1.2 This test method will detect acoustic emission in areas
responsibility of the user of this standard to establish appro-
of sensor coverage that are stressed during the course of the
priate safety and health practices and determine the applica-
examination. For flat-bottom tanks these areas will generally
bility of regulatory limitations prior to use. Specific precau-
include the sidewalls (and roof if pressure is applied above the
tionary statements are given in Section 8.
liquid level). The examination may not detect flaws on the
bottom of flat-bottom tanks unless sensors are located on the
2. Referenced Documents
bottom.
2.1 ASTM Standards:
1.3 This test method may require that the tank experience a
E 543 Practice for Evaluating Agencies that Perform Non-
load that is greater than that encountered in normal use. The
2
destructive Evaluation
normal contents of the tank can usually be used for applying
2
E 650 Guide to Mounting Piezoelectric AE Sensors
this load.
E 976 Guide for Determining Reproducibility ofAE Sensor
1.4 This test method is not valid for tanks that will be
2
Response
operated at a pressure greater than the examination pressure.
2
E 1316 Terminology for Nondestructive Examinations
1.5 It is not necessary to drain or clean the tank before
2.2 ANSI/ASNT Standard:
performing this examination.
Recommended Practice ASNT SNT-TC-1A for Qualifica-
1.6 This test method applies to tanks made of carbon steel,
tion and Certification of Nondestructive Testing Person-
stainless steel, aluminum and other metals.
3
nel
1.7 This test method may also detect defects in tank linings
ANSI/ASNT CP-189 Standard for Qualification and Certi-
(for example, high-bulk, phenolics and other brittle materials).
3
fication of NDT Personnel
1.8 AE measurements are used to detect and localize emis-
2.3 ASME Standard:
sion sources. Other NDT methods may be used to confirm the
4
Section V, Article 12, Boiler & Pressure Vessel Code
nature and significance of the AE indications (s). Procedures
2.4 AIA Document:
for other NDT techniques are beyond the scope of this test
NAS-410 Certification and Qualification of Nondestructive
method.
5
Testing Personnel
1.9 Examination liquid must be above its freezing tempera-
ture and below its boiling temperature.
3. Terminology
1.10 Superimposed internal or external pressures must not
3.1 Definitions:
exceed design pressure.
3.1.1 This test method makes use of definitions provided in
1.11 Leaks may be found during the course of this exami-
Terminology E 1316. Definitions for terms that do not appear
nation but their detection is not the intention of this test
in Terminology E 1316 are given below.
method.
2
Annual Book of ASTM Standards, Vol 03.03.
3
Available from American Society for Nondestructive Testing, 1711 Arlingate
1
This test method is under the jurisdiction of ASTM Committee E07 on Plaza, P.O. Box 28518, Columbus, OH 43228-0518.
4
Nondestructive Testing and is the direct responsibility of Subcommittee E07.04 on Available fromAmerican Society of Mechanical Engineers, 345 E. 47th Street,
Acoustic Emission Method. New York, NY 10017.
5
Current edition approvedJuly 10, 2002. Published September 2002. Originally Available from Aerospace Industries Association of America, Inc., 1250 Eye
published as E 1930 – 97. Last previous edition E 1930 – 97.
St., NW, Washington, DC 20005.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

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E1930–02
3.2 Definitions of Terms Specific to This Standard: 5.1.4.2 Chips, and
3.2.1 AE activity—the presence of acoustic emission during 5.1.4.3 Inclusions.
an examination. It is normally measured by one or more AE
NOTE 1—Not all of these sources are typically encountered in field
parameters such as number of hits, events, signal strength or
examination, some are detec
...

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