ASTM E1033-09
(Practice)Standard Practice for Electromagnetic (Eddy-Current) Examination of Type F-Continuously Welded (CW) Ferromagnetic Pipe and Tubing Above the Curie Temperature
Standard Practice for Electromagnetic (Eddy-Current) Examination of Type F-Continuously Welded (CW) Ferromagnetic Pipe and Tubing Above the Curie Temperature
SIGNIFICANCE AND USE
The purpose of this practice is to outline a procedure for the in-line eddy-current examination of hot CW pipe for the detection of major imperfections and repetitive discontinuities.
A major advantage of in-line eddy-current examination of ferromagnetic CW pipe above the Curie temperature lies in the enhanced signal-to-noise ratio and depth of penetration obtained without the use of magnetic saturation.
The eddy-current method is capable of detecting and locating weld imperfections commonly referred to as open welds, cave welds, black spots (weld inclusions), and partial welds (incomplete penetration). In addition, it will detect pipe-wall imperfections such as slivers, laps, and ring welds (end welds).
The relative severity of the imperfections may be indicated by eddy-current signal amplitude or phase, or both. An alarm level may be selected that utilizes signal amplitude or phase, or both, for automatic recording or marking, or both.
Because the responses from natural discontinuities may vary significantly from those from artificial discontinuities, care must be exercised in establishing test sensitivity and acceptance criteria.
SCOPE
1.1 This practice covers a procedure for in-line, eddy-current examination of continuously welded (CW) ferromagnetic pipe and tubing at temperatures above the Curie temperature (approximately 1400°F) (760°C), where the pipe is substantially nonmagnetic or austenitic.
1.2 This practice is intended for use on tubular products having nominal diameters of ½in. (12.7 mm) to 4 in. (101.6 mm). These techniques may be used for larger- or smaller-diameter pipe and tubing as specified by the using parties.
1.3 This practice is specifically applicable to eddy-current examination using encircling coils, or probe coils.
1.4 This practice does not establish acceptance criteria. They must be established by the using parties.
1.5 The values stated in inch-pound units are to be regarded as the 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 problems 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.
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Designation: E1033 − 09
StandardPractice for
Electromagnetic (Eddy-Current) Examination of Type
F-Continuously Welded (CW) Ferromagnetic Pipe and
1
Tubing Above the Curie Temperature
This standard is issued under the fixed designation E1033; 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 E1316 Terminology for Nondestructive Examinations
2.2 Other Documents:
1.1 This practice covers a procedure for in-line, eddy-
SNT-TC-1A Recommended Practice for Personnel Qualifi-
current examination of continuously welded (CW) ferromag-
3
cation and Certification in Nondestructive Testing
netic pipe and tubing at temperatures above the Curie tempera-
ANSI/ASNT-CP-189 ASNT Standard for Qualification and
ture (approximately 1400°F (760°C), where the pipe is
3
Certification of Nondestructive Testing Personnel
substantially nonmagnetic or austenitic.
NAS-410 NAS Certification and Qualification of Nonde-
1.2 This practice is intended for use on tubular products 4
structive Personnel (Quality Assurance Committee)
1
having nominal diameters of ⁄2 in. (12.7 mm) to 4 in. (101.6
mm). These techniques may be used for larger- or smaller-
3. Terminology
diameter pipe and tubing as specified by the using parties.
3.1 Standard terminology relating to electromagnetic ex-
1.3 This practice is specifically applicable to eddy-current
amination may be found in Terminology E1316, Section C,
examination using encircling coils, or probe coils.
Electromagnetic Testing.
1.4 This practice does not establish acceptance criteria.
4. Summary of Practice
They must be established by the using parties.
4.1 In-line, automatic, eddy-current examination of CW
1.5 The values stated in inch-pound units are to be regarded
pipe utilizes probes or encircling coils, or both, mounted in the
asthestandard.Thevaluesgiveninparenthesesaremathemati-
pass line to monitor the quality of pipe during production at
cal conversions to SI units that are provided for information
temperatures ranging from 1600 to 2200°F (870 to 1204°C).
only and are not considered standard.
4.2 Eddy-current instrumentation provides timely and use-
1.6 This standard does not purport to address the safety
ful information regarding the acceptability of CW pipe for
problems associated with its use. It is the responsibility of the
quality control purposes as well as for early warning that
user of this standard to establish appropriate safety and health
unacceptable pipe is being produced.
practices and determine the applicability of regulatory limita-
tions prior to use.
5. Significance and Use
2. Referenced Documents
5.1 The purpose of this practice is to outline a procedure for
2
the in-line eddy-current examination of hot CW pipe for the
2.1 ASTM Standards:
detection of major imperfections and repetitive discontinuities.
E309 Practice for Eddy-Current Examination of Steel Tubu-
lar Products Using Magnetic Saturation
5.2 A major advantage of in-line eddy-current examination
E543 Specification for Agencies Performing Nondestructive
of ferromagnetic CW pipe above the Curie temperature lies in
Testing
the enhanced signal-to-noise ratio and depth of penetration
obtained without the use of magnetic saturation.
1
This practice is under the jurisdiction of ASTM Committee E07 on Nonde-
5.3 The eddy-current method is capable of detecting and
structive Testing and is the direct responsibility of Subcommittee E07.07 on
locating weld imperfections commonly referred to as open
Electromagnetic Method.
CurrenteditionapprovedJune1,2009.PublishedJuly2009.Originallyapproved
´1
in 1985. Last previous edition approved in 2004 as E1033 - 98(2004) . DOI:
3
10.1520/E1033-09. AvailablefromAmericanSocietyforNondestructiveTesting(ASNT),P.O.Box
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or 28518, 1711 Arlingate Ln., Columbus, OH 43228-0518, http://www.asnt.org.
4
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Available fromAerospace IndustriesAssociation ofAmerica, Inc. (AIA), 1000
Standards volume information, refer to the standard’s Document Summary page on WilsonBlvd.,Suite1700,Arlington,VA22209-3928,http://www.aia-aerospace.org.
the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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E1033 − 09
welds, cave welds, black spots (weld inclusions), and partial ture and prevent thermal damage, and positioning mechanisms
welds (incomplete penetration). In addition, it will detect for adjusting and maintaining a constant spacin
...
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.
´1
Designation:E1033–98 (Reapproved 2004) Designation:E1033–09
Standard Practice for
Electromagnetic (Eddy-Current) Examination of Type
F-Continuously Welded (CW) Ferromagnetic Pipe and
1
Tubing Above the Curie Temperature
This standard is issued under the fixed designation E 1033; 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
´ NOTE—Referenced documents and editorial changes were made in January 2004.
1. Scope
1.1 This practice covers a procedure for in-line, eddy-current examination of continuously welded (CW) ferromagnetic pipe and
tubing at temperatures above the Curie temperature (approximately 1400°F [760°C],(760°C), where the pipe is substantially
nonmagnetic or austenitic.
1
1.2 This practice is intended for use on tubular products having nominal diameters of ⁄2 in. [12.7 mm](12.7 mm) to 4 in. [101.6
mm].(101.6 mm). These techniques may be used for larger- or smaller-diameter pipe and tubing as specified by the using parties.
1.3 This practice is specifically applicable to eddy-current examination using encircling coils, or probe coils.
1.4 This practice does not establish acceptance criteria. They must be established by the using parties.
1.5The values stated in inch-pound units are to be regarded as standard. The SI units in brackets may be approximate.
1.5 The values stated in inch-pound units are to be regarded as the 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 problems 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.
2. Referenced Documents
2
2.1 ASTM Standards:
E 309 Practice for Eddy-Current Examination of Steel Tubular Products Using Magnetic Saturation
E 543 PracticeSpecification for Agencies Performing Nondestructive Testing
E 1316 Terminology for Nondestructive Examinations
2.2 Other Documents:
3
SNT-TC-1A Recommended Practice for Personnel Qualification and Certification in Nondestructive Testing
3
ANSI/ASNT-CP-189 ASNT Standard for Qualification and Certification of Nondestructive Testing Personnel
4
NAS-410 NAS Certification and Qualification of Nondestructive Personnel (Quality Assurance Committee)
3. Terminology
3.1 Standard terminology relating to electromagnetic examination may be found in Terminology E 1316, Section C,
Electromagnetic Testing.
4. Summary of Practice
4.1 In-line, automatic, eddy-current examination of CW pipe utilizes probes or encircling coils, or both, mounted in the pass
line to monitor the quality of pipe during production at temperatures ranging from 1600 to 2200°F [870(870 to 1204°C]. 1204°C).
1
This practice is under the jurisdiction of ASTM Committee E07 on Nondestructive Testing and is the direct responsibility of Subcommittee E07.07 on Electromagnetic
Methods.
Current edition approved January 1, 2004. Published February 2004. Originally approved in 1985. Last previous edition approved in 1998 as E1033-98.on Electromagnetic
Method.
´1
Current edition approved June 1, 2009. Published July 2009. Originally approved in 1985. Last previous edition approved in 2004 as E 1033 - 98(2004) .
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book ofASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from American Society for Nondestructive Testing, 1711 Arlingate Plaza, PO Box 28518, Columbus, OH 43228–0518.
3
Available from American Society for Nondestructive Testing (ASNT), P.O. Box 28518, 1711 Arlingate Ln., Columbus, OH 43228-0518, http://www.asnt.org.
4
Available from Aerospace Industries Association of America, Inc., 1250 Eye Street, N.W., Washington, DC 20005.
4
Available from Aerospace Industries Association of America, Inc. (AIA), 1000 Wilson Blvd., Suite 1700, Arlington, VA 22209-3928, http://www.aia-aerospace.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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E1033–09
4.2 Eddy-current instr
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