Standard Guide for Material Selection and Fabrication of Reference Blocks for the Pulsed Longitudinal Wave Ultrasonic Testing of Metal and Metal Alloy Production Material

SIGNIFICANCE AND USE
This guide is intended to illustrate the fabrication of ultrasonic reference blocks that are representative of the production material to be examined. Care in material selection and fabrication can result in the manufacture of reference blocks that are ultrasonically similar to the production material thus eliminating the reference block as an examination variable.
SCOPE
1.1 This guide covers general procedures for the material selection and fabrication of reference blocks made of metal or metal alloys and intended to be used for the examination of the same or similar production materials by pulsed longitudinal ultrasonic waves applied perpendicular to the beam entry surface. Primary emphasis is on solid materials but some of the techniques described may be used for midwall examination of pipes and tubes of heavy wall thickness. Near-surface resolution in any material depends upon the characteristics of the instrument and search unit employed.
1.2 This guide covers the fabrication of reference blocks for use with either the immersion or the contact method of ultrasonic examination.
1.3 Reference blocks fabricated in accordance with this guide can be used to determine proper ultrasonic system operation. Area-amplitude and distance-amplitude curves can also be determined with these reference blocks.
1.4 This guide does not specify reference reflector sizes or product rejection limits. It does describe typical industry fabrication practices and commonly applied tolerances where they lend clarity to the guide. In all cases of conflict between this guide and customer specifications, the customer specification shall prevail.
1.5 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.
1.6 This standard does not purport to address 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 to determine the applicability of regulatory limitations prior to use.

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Publication Date
31-May-2009
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Drafting Committee
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Ref Project

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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:E1158 −09
StandardGuide for
Material Selection and Fabrication of Reference Blocks for
the Pulsed Longitudinal Wave Ultrasonic Testing of Metal
1
and Metal Alloy Production Material
This standard is issued under the fixed designation E1158; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope 2. Referenced Documents
2
1.1 This guide covers general procedures for the material 2.1 ASTM Standards:
E127 Practice for Fabricating and Checking Aluminum Al-
selection and fabrication of reference blocks made of metal or
3
metal alloys and intended to be used for the examination of the loy Ultrasonic Standard Reference Blocks
E428 Practice for Fabrication and Control of Metal, Other
same or similar production materials by pulsed longitudinal
than Aluminum, Reference Blocks Used in Ultrasonic
ultrasonic waves applied perpendicular to the beam entry
Testing
surface. Primary emphasis is on solid materials but some of the
E1316 Terminology for Nondestructive Examinations
techniques described may be used for midwall examination of
pipes and tubes of heavy wall thickness. Near-surface resolu-
3. Terminology
tion in any material depends upon the characteristics of the
3.1 Definitions—For definitions of terms used in this guide,
instrument and search unit employed.
see Terminology E1316.
1.2 This guide covers the fabrication of reference blocks for
4. Summary of Guide
use with either the immersion or the contact method of
ultrasonic examination.
4.1 This guide describes a method of selecting suitable
reference block material from current or previous production
1.3 Reference blocks fabricated in accordance with this
and the subsequent fabrication and checking of the resulting
guide can be used to determine proper ultrasonic system
ultrasonic reference blocks.
operation. Area-amplitude and distance-amplitude curves can
also be determined with these reference blocks.
5. Significance and Use
1.4 This guide does not specify reference reflector sizes or
5.1 This guide is intended to illustrate the fabrication of
product rejection limits. It does describe typical industry
ultrasonic reference blocks that are representative of the
fabrication practices and commonly applied tolerances where
production material to be examined. Care in material selection
they lend clarity to the guide. In all cases of conflict between
and fabrication can result in the manufacture of reference
this guide and customer specifications, the customer specifica-
blocks that are ultrasonically similar to the production material
tion shall prevail.
thus eliminating the reference block as an examination vari-
1.5 The values stated in inch-pound units are to be regarded able.
as standard. The values given in parentheses are mathematical
6. Material Selection
conversions to SI units that are provided for information only
6.1 It is good practice to use a sample removed from the
and are not considered standard.
production lot of material as the reference block material.
1.6 This standard does not purport to address the safety
When this is not possible the following guidelines should be
concerns, if any, associated with its use. It is the responsibility
followed.
of the user of this standard to establish appropriate safety and
health practices and to determine the applicability of regula-
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
tory limitations prior to use.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
1 3
This guide is under the jurisdiction of ASTM Committee E07 on Nondestruc- The reference blocks in Practice E127 are used to check the performance of
tive Testing and is the direct responsibility of Subcommittee E07.06 on Ultrasonic ultrasonic examination equipment and for standardization and control of ultrasonic
Method. examinations of aluminum alloy products. The ultrasonic response of the blocks in
CurrenteditionapprovedJune1,2009.PublishedJuly2009.Originallyapproved Practice E127 is evaluated against a standard target. The blocks described in this
in 1990. Last previous edition approved in 2004 as E1158 - 04. DOI: 10.1520/ standard are used for the examination of production material and may be used to
E1158-09. establish accept-reject criteria.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
E1158−09
6.2 The reference block material should be of the same
gener
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:E1158–04 Designation: E 1158 – 09
Standard Guide for
Material Selection and Fabrication of Reference Blocks for
the Pulsed Longitudinal Wave Ultrasonic
ExaminationTesting of Metal and Metal Alloy Production
1
Material
This standard is issued under the fixed designation E 1158; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This guide covers general procedures for the material selection and fabrication of reference blocks made of metal or metal
alloys and intended to be used for the examination of the same or similar production materials by pulsed longitudinal ultrasonic
waves applied perpendicular to the beam entry surface. Primary emphasis is on solid materials but some of the techniques
described may be used for midwall examination of pipes and tubes of heavy wall thickness. Near-surface resolution in any material
depends upon the characteristics of the instrument and search unit employed.
1.2 This guide covers the fabrication of reference blocks for use with either the immersion or the direct-contactcontact method
of ultrasonic examination.
1.3 Reference blocks fabricated in accordance with this guide can be used to determine proper ultrasonic examination system
operation. Area-amplitude and distance-amplitude curves can also be determined with these reference blocks.
1.4 This guide does not specify reference reflector sizes or product rejection limits. It does describe typical industry fabrication
practices and commonly applied tolerances where they lend clarity to the guide. In all cases of conflict between this guide and
customer specifications, the customer specification shall prevail.
1.5
1.5 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.
1.6 This standard does not purport to address 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 to determine the applicability of regulatory
limitations prior to use.
2. Referenced Documents
2
2.1 ASTM Standards:
3
E 127 Practice for Fabricating and Checking Aluminum Alloy Ultrasonic Standard Reference Blocks
E 428 Practice for Fabrication and Control of Steel Reference Blocks Used in Ultrasonic Examination Practice for Fabrication
and Control of Metal, Other than Aluminum, Reference Blocks Used in Ultrasonic Testing
E 1316 Terminology for Nondestructive Examinations
3. Terminology
3.1 Definitions—For definitions of terms used in this guide, see Terminology E 1316.
4. Summary of Guide
4.1 This guide describes a method of selecting suitable reference block material from current or previous production and the
subsequent fabrication and checking of the resulting ultrasonic reference blocks.
1
This guide is under the jurisdiction ofASTM Committee E07 on Nondestructive Testing and is the direct responsibility of Subcommittee E07.06 on Ultrasonic Method.
Current edition approved FebruaryJune 1, 2004.2009. Published March 2004.July 2009. Originally approved in 1990. Last previous edition approved in 19982004 as
E1158-98.E 1158 - 04.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
The reference blocks in Practice E 127 are used to check the performance of ultrasonic examination equipment and for standardization and control of ultrasonic
examinations of aluminum alloy products. The ultrasonic response of the blocks in Practice E 127 is evaluated against a standard target. The blocks described in this standard
are used for the examination of production material and may be used to establish accept-reject criteria.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
E1158–09
5. Significance and Use
5.1 This guide is intended to illustrate the fabrication of ultrasonic reference blocks that are representative of the production
material to be examined. Care in material selection and f
...

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