SIST EN ISO 13588:2019
(Main)Non-destructive testing of welds - Ultrasonic testing - Use of automated phased array technology (ISO 13588:2019)
Non-destructive testing of welds - Ultrasonic testing - Use of automated phased array technology (ISO 13588:2019)
This document specifies the application of the phased array technology for the semi- or fully automated
ultrasonic testing of fusion-welded joints in metallic materials of minimum thickness 6 mm. It applies
to full penetration welded joints of simple geometry in plates, pipes, and vessels, where both the weld
and the parent material are low-alloy and/or fine grained steel. For the testing of welds in other steel
materials this document gives guidance. For coarse-grained or austenitic steels, ISO 22825 applies in
addition to this document.
This document provides guidance on the specific capabilities and limitations of the phased array
technology for the detection, location, sizing and characterization of discontinuities in fusion-welded
joints. Phased array technology can be used as a stand-alone technology or in combination with other
non-destructive testing (NDT) methods or techniques, for manufacturing inspection, pre-service and
for in-service inspection.
This document specifies four testing levels, each corresponding to a different probability of detection of
imperfections.
This document permits assessment of discontinuities for acceptance purposes based either on
amplitude (equivalent reflector size) and length, or on height and length.
This document does not include acceptance levels for discontinuities.
This document is not applicable for automated testing of welds during the production of steel products
covered by ISO 10893-8, ISO 10893-11 and ISO 3183.
Zerstörungsfreie Prüfung von Schweißverbindungen - Ultraschallprüfung - Anwendung von automatisierter phasengesteuerter Array-Technologie (ISO 13588:2019)
Dieses Dokument legt die Anwendung der phasengesteuerten Array-Technik bei der halb- oder vollautomatisierten Ultraschallprüfung von Schmelzschweißverbindungen in metallischen Werkstoffen mit Dicken von mindestens 6 mm fest. Es gilt für durchgeschweißte Verbindungen mit einfacher Geometrie in Platten, Rohren und Behältern, bei denen sowohl der Werkstoff der Schweißnaht als auch der Grundwerk-stoff niedrig legierter und/oder feinkörniger Stahl sind. Für die Prüfung von Schweißverbindungen in anderen Stahlwerkstoffen bietet dieses Dokument Orientierungshilfe. Für grobkörnige oder austenitische Stähle gilt ISO 22825 zusätzlich zu diesem Dokument.
Dieses Dokument bietet eine Anleitung für die besonderen Fähigkeiten und Grenzen der phasengesteuerten Array-Technik beim Auffinden, bei der Ortung, der Größenbestimmung und der Charakterisierung von Inhomogenitäten in Schmelzschweißverbindungen. Die phasengesteuerte Array-Technik kann eigenständig oder in Verbindung mit anderen Verfahren oder Techniken der zerstörungsfreien Prüfung angewendet werden, sowohl für Prüfungen bei der Herstellung, vor der Inbetriebnahme und für Prüfungen während des Betriebs.
In diesem Dokument sind vier Prüfklassen für unterschiedliche Nachweiswahrscheinlichkeiten von Inhomogenitäten festgelegt.
Dieses Dokument erlaubt die Beurteilung von Inhomogenitäten zur Bestimmung der Zulässigkeit entweder anhand ihrer Amplitude (Ersatzreflektorgröße) und Länge oder anhand ihrer Tiefenausdehnung und Länge.
Dieses Dokument legt keine Zulässigkeitsgrenzen für die Inhomogenitäten fest.
Dieses Dokument gilt nicht für die automatisierte Prüfung von Schweißnähten bei der Herstellung von Stahlerzeugnissen nach ISO 10893 8, ISO 10893 11 und ISO 3183.
Contrôle non destructif des assemblages soudés - Contrôle par ultrasons - Utilisation de la technique multi-éléments automatisés (ISO 13588:2019)
Le présent document spécifie l'application de la technique multi-éléments pour le contrôle par ultrasons semi-automatisé ou entièrement automatisé des assemblages soudés par fusion de matériaux métalliques d'une épaisseur minimale de 6 mm. Il s'applique à des assemblages soudés à pleine pénétration de géométrie simple sur plaques, tubes et récipients, dans lesquels le métal de base et le métal fondu sont tous les deux constitués d'acier faiblement allié et/ou d'acier à grain fin. Le présent document donne des indications pour les contrôle de soudures dans d'autres matériaux en acier. Pour les aciers à grains grossiers ou austénitiques, la norme ISO 22825 s'applique, en plus du présent document.
Le présent document fournit des lignes directrices sur les possibilités et les limitations spécifiques de la technique multi-éléments pour la détection, la localisation, le dimensionnement et la caractérisation des discontinuités dans les assemblages soudés par fusion. La technique multi-éléments peut être utilisée de manière autonome ou en combinaison avec d'autres méthodes ou techniques de contrôle non-destructif, aussi bien pour le contrôle de fabrication avant service que pour le contrôle en cours de service.
Le présent document spécifie quatre niveaux de contrôle, chacun correspondant à une probabilité différente de détection des imperfections.
Le présent document permet l'évaluation des indications à des fins d'acceptation en se basant sur l'amplitude (taille équivalente du réflecteur) et la longueur ou sur la hauteur et la longueur.
Le présent document ne comporte pas de niveaux d'acceptation pour les discontinuités.
Le présent document ne s'applique pas pour le contrôle automatisé des soudures pendant la production de produits en aciers couvert par l'ISO 108938, l'ISO 1089311 et par l'ISO 3183.
Neporušitveno preskušanje zvarnih spojev - Ultrazvočno preskušanje - Uporaba avtomatske tehnike s faznim krmiljenjem (FA-tehnika) (ISO 13588:2019)
Ta dokument določa uporabo tehnike s faznim krmiljenjem za polavtomatsko ali avtomatsko ultrazvočno preskušanje talilno zvarjenih zvarov v kovinskih materialih z debelino najmanj 6 mm. Uporablja se za zvarne spoje s popolno penetracijo na ploščah, ceveh in posodah s preprosto geometrijo, kjer sta zvar in matični material iz malolegiranega in/ali drobnozrnatega jekla. Ta dokument daje smernice za preskušanje zvarov v drugih jeklenih materialih. Za grobozrnata ali avstenitna jekla se poleg tega dokumenta uporablja tudi ISO 22825.
Ta dokument podaja smernice o specifičnih zmogljivostih in omejitvah tehnike s faznim krmiljenjem za zaznavanje, ugotavljanje lokacije in velikosti ter karakterizacijo prekinjenosti talilno zvarjenih zvarov. Tehniko s faznim krmiljenjem je mogoče uporabiti kot samostojno metodo ali v kombinaciji z drugimi metodami ali tehnikami neporušitvenega preskušanja za pregled proizvodnje, pregled pred začetkom uporabe ali pregled med uporabo.
Ta dokument določa štiri ravni preskušanja, pri čemer vsaka označuje drugačno verjetnost zaznavanja nepravilnosti.
Dokument omogoča ocenjevanje nehomogenosti za namene sprejemljivosti na podlagi amplitude (ekvivalentna reflektorska velikost) in dolžine ali višine in dolžine.
Dokument ne vključuje ravni sprejemljivosti za nehomogenosti.
Dokument se ne uporablja za avtomatizirano preskušanje zvarov med proizvodnjo jeklenih izdelkov, zajetih v standardih ISO 10893-8, ISO 10893-11 in ISO 3183.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN ISO 13588:2019
01-september-2019
Nadomešča:
SIST EN ISO 13588:2013
Neporušitveno preskušanje zvarnih spojev - Ultrazvočno preskušanje - Uporaba
avtomatske tehnike s faznim krmiljenjem (FA-tehnika) (ISO 13588:2019)
Non-destructive testing of welds - Ultrasonic testing - Use of automated phased array
technology (ISO 13588:2019)
Zerstörungsfreie Prüfung von Schweißverbindungen - Ultraschallprüfung - Anwendung
von automatisierter phasengesteuerter Array-Technologie (ISO 13588:2019)
Contrôle non destructif des assemblages soudés - Contrôle par ultrasons - Utilisation de
la technique multi-éléments automatisés (ISO 13588:2019)
Ta slovenski standard je istoveten z: EN ISO 13588:2019
ICS:
25.160.40 Varjeni spoji in vari Welded joints and welds
SIST EN ISO 13588:2019 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN ISO 13588:2019
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SIST EN ISO 13588:2019
EN ISO 13588
EUROPEAN STANDARD
NORME EUROPÉENNE
March 2019
EUROPÄISCHE NORM
ICS 25.160.40 Supersedes EN ISO 13588:2012
English Version
Non-destructive testing of welds - Ultrasonic testing - Use
of automated phased array technology (ISO 13588:2019)
Contrôle non destructif des assemblages soudés - Zerstörungsfreie Prüfung von Schweißverbindungen -
Contrôle par ultrasons - Utilisation de la technique Ultraschallprüfung - Anwendung von automatisierter
multi-éléments automatisés (ISO 13588:2019) phasengesteuerter Array-Technologie (ISO
13588:2019)
This European Standard was approved by CEN on 9 February 2019.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 13588:2019 E
worldwide for CEN national Members.
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SIST EN ISO 13588:2019
EN ISO 13588:2019 (E)
Contents Page
European foreword . 3
Endorsement notice . 3
2
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SIST EN ISO 13588:2019
EN ISO 13588:2019 (E)
European foreword
This document (EN ISO 13588:2019) has been prepared by Technical Committee ISO/TC 44 "Welding
and allied processes" in collaboration with Technical Committee CEN/TC 121 “Welding and allied
processes” the secretariat of which is held by DIN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by September 2019, and conflicting national standards
shall be withdrawn at the latest by September 2019.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 13588:2012.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
Endorsement notice
The text of ISO 13588:2019 has been approved by CEN as EN ISO 13588:2019 without any modification.
3
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SIST EN ISO 13588:2019
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SIST EN ISO 13588:2019
INTERNATIONAL ISO
STANDARD 13588
Second edition
2019-02
Non-destructive testing of welds —
Ultrasonic testing — Use of automated
phased array technology
Essais non destructifs des assemblages soudés — Contrôle par
ultrasons — Utilisation de la technique multi-éléments automatisés
Reference number
ISO 13588:2019(E)
©
ISO 2019
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SIST EN ISO 13588:2019
ISO 13588:2019(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2019
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved
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SIST EN ISO 13588:2019
ISO 13588:2019(E)
Contents Page
Foreword .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Testing levels . 2
5 Information required prior to testing . 4
5.1 Items to be defined prior to procedure development . 4
5.2 Specific information required by the operator before testing . 4
5.3 Written test procedure . 5
6 Requirements for personnel and test equipment . 5
6.1 Personnel qualifications . 5
6.2 Test equipment . 6
6.2.1 General. 6
6.2.2 Ultrasonic instrument . 6
6.2.3 Ultrasonic probes . 6
6.2.4 Scanning mechanisms . 6
7 Preparation for testing . 6
7.1 Volume to be tested . 6
7.2 Verification of the test setup . 6
7.3 Scan increment setting . 6
7.4 Geometry considerations . 7
7.5 Preparation of scanning surfaces . 7
7.6 Temperature . 7
7.7 Couplant . 7
8 Testing of base material . 7
9 Range and sensitivity settings . 8
9.1 Settings . 8
9.1.1 General. 8
9.1.2 Pulse-echo time window . 8
9.1.3 Pulse-echo sensitivity settings . 8
9.1.4 TOFD settings . 8
9.2 Checking of the settings . 8
9.3 Reference blocks . 9
9.3.1 General. 9
9.3.2 Material . 9
9.3.3 Dimensions and shape . 9
9.3.4 Reference reflectors . 9
10 Equipment checks .10
11 Procedure qualification .10
12 Weld testing .10
13 Data storage .11
14 Interpretation and analysis of phased array data .11
14.1 General .11
14.2 Assessing the quality of the phased array data .11
14.3 Identification of relevant indications .11
14.4 Classification of relevant indications .11
14.5 Determination of location .12
14.6 Determination of length and height .12
14.6.1 General.12
© ISO 2019 – All rights reserved iii
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SIST EN ISO 13588:2019
ISO 13588:2019(E)
14.6.2 Determination of length .12
14.6.3 Determination of height .12
14.7 Evaluation against acceptance criteria .13
15 Test report .13
Annex A (informative) Typical reference blocks and reference reflectors .15
Annex B (informative) Illustrations of possible signals to be used .20
Bibliography .24
iv © ISO 2019 – All rights reserved
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SIST EN ISO 13588:2019
ISO 13588:2019(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see www .iso
.org/iso/foreword .html.
This document was prepared by Technical Committee ISO/TC 44, Welding and allied processes,
Subcommittee SC 5, Testing and inspection of welds.
Any feedback, question or request for official interpretation related to any aspect of this document
should be directed to the Secretariat of ISO/TC 44/SC 5 via your national standards body. A complete
listing of these bodies can be found at www .iso .org/members .html. Official interpretations, where they
exist, are available from this page: https: //committee .iso .org/sites/tc44/home/interpretation .html.
This second edition cancels and replaces the first edition (ISO 13588:2012), which has been technically
revised. The main changes compared to the previous edition are as follows:
— Clauses 2 and 3 have been updated;
— a method of length and height measurement has been added;
— new Annex B has been added;
— the document has been editorially updated.
© ISO 2019 – All rights reserved v
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SIST EN ISO 13588:2019
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SIST EN ISO 13588:2019
INTERNATIONAL STANDARD ISO 13588:2019(E)
Non-destructive testing of welds — Ultrasonic testing —
Use of automated phased array technology
1 Scope
This document specifies the application of the phased array technology for the semi- or fully automated
ultrasonic testing of fusion-welded joints in metallic materials of minimum thickness 6 mm. It applies
to full penetration welded joints of simple geometry in plates, pipes, and vessels, where both the weld
and the parent material are low-alloy and/or fine grained steel. For the testing of welds in other steel
materials this document gives guidance. For coarse-grained or austenitic steels, ISO 22825 applies in
addition to this document.
This document provides guidance on the specific capabilities and limitations of the phased array
technology for the detection, location, sizing and characterization of discontinuities in fusion-welded
joints. Phased array technology can be used as a stand-alone technology or in combination with other
non-destructive testing (NDT) methods or techniques, for manufacturing inspection, pre-service and
for in-service inspection.
This document specifies four testing levels, each corresponding to a different probability of detection of
imperfections.
This document permits assessment of discontinuities for acceptance purposes based either on
amplitude (equivalent reflector size) and length, or on height and length.
This document does not include acceptance levels for discontinuities.
This document is not applicable for automated testing of welds during the production of steel products
covered by ISO 10893-8, ISO 10893-11 and ISO 3183.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 5577, Non-destructive testing — Ultrasonic testing — Vocabulary
ISO 5817, Welding — Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding
excluded) — Quality levels for imperfections
ISO 9712, Non-destructive testing — Qualification and certification of NDT personnel
ISO 17640, Non-destructive testing of welds — Ultrasonic testing — Techniques, testing levels, and
assessment
ISO 10863, Non-destructive testing of welds — Ultrasonic testing — Use of time-of-flight diffraction
technique (TOFD)
ISO 18563-1, Non-destructive testing — Characterization and verification of ultrasonic phased array
equipment – Part 1: Instruments
ISO 18563-2, Non-destructive testing — Characterization and verification of ultrasonic phased array
equipment — Part 2: Probes
ISO 18563-3, Non-destructive testing — Characterization and verification of ultrasonic phased array
equipment — Part 3: Combined systems
© ISO 2019 – All rights reserved 1
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SIST EN ISO 13588:2019
ISO 13588:2019(E)
ISO 19285, Non-destructive testing of welds — Phased array ultrasonic testing (PAUT) — Acceptance levels
ISO 22825, Non-destructive testing of welds — Ultrasonic testing — Testing of welds in austenitic steels
and nickel-based alloys
EN 16018, Non-destructive testing — Terminology — Terms used in ultrasonic testing with phased arrays
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 5577, EN 16018 and the
following apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https: //www .iso .org/obp
— IEC Electropedia: available at http: //www .electropedia .org/
3.1
phased array image
one- or two-dimensional display, constructed from the collected information of phased array operation
3.2
indication
phased array indication
pattern or disturbance in the phased array image (3.1) which can need further evaluation
3.3
phased array setup
probe arrangement defined by probe characteristics (e.g. frequency, probe element size, beam angle,
wave mode), probe position (3.4), and the number of probes
3.4
probe position
PP
distance between the front of the wedge and the weld centre line
3.5
scan increment
distance between successive data collection points in the direction of scanning (mechanically or
electronically)
3.6
skewed scan
scan performed with a skewed angle
Note 1 to entry: The skewed angle can be achieved electronically or by means of probe orientation.
3.7
mode
phased array mode
combination of ultrasonic beams created by phased array technology, e.g. fixed angle, E-scan, S-scan
4 Testing levels
Quality requirements for welded joints are mainly associated with the material, welding process and
service conditions. To comply with all of these requirements, this document specifies four testing levels
(A, B, C and D).
2 © ISO 2019 – All rights reserved
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SIST EN ISO 13588:2019
ISO 13588:2019(E)
From testing level A to testing level C, an increasing probability of detection is achieved by an increasing
testing coverage, e.g. number of incidences, combining techniques.
Testing level D may be agreed for special applications using a written procedure which shall take
into account the general requirements of this document. This includes tests of metals other than
ferritic steel, tests on partial penetration welds, tests with automated equipment and tests at object
temperatures outside the range. For coarse-grained or austenitic steels, ISO 22825 shall also be used.
In general, the testing levels are related to quality levels (e.g. according to ISO 5817). The appropriate
testing level can be specified by standards for the testing of welds (e.g. ISO 17635), by product standards
or by other documents. When ISO 17635 is specified, the testing levels in relation to ISO 5817 as given
in Table 1 shall be used.
Table 1 — Quality levels of ISO 5817 and corresponding testing levels
Testing level Quality level in ISO 5817
A C, D
B B
C by agreement
D special application
Table 2 shows the minimum requirements and in all cases, as described in 7.2, the setup shall be verified
with a reference block. In cases where scanning is performed from one face (excluding TOFD), half and
full skip shall be used and stored; if scanning is performed from both faces, half skip is sufficient.
If diffraction signals are detected they may be used for sizing.
If the evaluation of the discontinuities is based on amplitude only, the deviation of the beam direction
from the normal to the weld bevel shall not exceed 6°. If this is not possible because of the geometry of
the test object (e.g. weld cap, narrow gap weld), the scan plan shall describe the corrective measures
and explain how these areas to be tested shall be covered with enough sensitivity
Table 2 — Description of testing levels
Testing levels
A B C
Mode Example of sketches
Reference blocks (see Annex A)
Block A Block B Block C
Test set-up
Fixed angles at fixed
probe position to Not suitable as single
Two sides Two sides
weld technique
a
(line scans)
Fixed angles with ras-
One side One side One side
a
ter scanning
E-scan at fixed probe
Two sides with two an-
position One side Two sides
c
gles
a
(line scan)
S-scan at fixed probe Two sides or
Two sides or two probe
position to weld One side two probe posi-
positions
a
(line scan) tions
© ISO 2019 – All rights reserved 3
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SIST EN ISO 13588:2019
ISO 13588:2019(E)
Table 2 (continued)
Testing levels
A B C
Mode Example of sketches
Reference blocks (see Annex A)
Block A Block B Block C
S-scan raster Not recommended One side
TOFD generated with Not recommended, TOFD testing in
One setup
a
phased array accordance with ISO 10863
b
Skewed scan If required by specification
a
For testing level C, at least two different test setups from this table shall be combined; at least one of them
shall be S-scan or TOFD.
b
If detection of transverse discontinuities is required by specification, a suitable additional test setup shall be
applied. Skewed probe or electronically skewed beam can be used.
c
At least 10° difference between angles.
5 Information required prior to testing
5.1 Items to be defined prior to procedure development
Information on the following items is required:
a) purpose and extent of testing;
b) testing levels;
c) acceptance criteria;
d) specification of reference blocks;
e) manufacturing or operation stage at which the testing is to be carried out;
f) weld details and information on the size of the heat-affected zone;
g) requirements for access and surface conditions and temperature;
h) personnel qualifications;
i) reporting requirements.
5.2 Specific information required by the operator before testing
Before any testing of a welded joint can begin, the operator shall have access to all the information as
specified in 5.1 together with the following additional information:
a) written test procedure;
b) type(s) of parent material and product form (i.e. cast, forged, rolled);
c) joint preparation and dimensions;
d) welding instruction or relevant information on the welding process;
4 © ISO 2019 – All rights reserved
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SIST EN ISO 13588:2019
ISO 135
...
SLOVENSKI STANDARD
oSIST prEN ISO 13588:2018
01-april-2018
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Non-destructive testing of welds - Ultrasonic testing - Use of automated phased array
technology (ISO/DIS 13588:2018)
Zerstörungsfreie Prüfung von Schweißverbindungen - Ultraschallprüfung - Anwendung
von automatisierter phasengesteuerter Array-Technologie (ISO/DIS 13588:2018)
Contrôle non destructif des assemblages soudés - Contrôle par ultrasons - Utilisation de
la technique multi-éléments automatisés (ISO/DIS 13588:2018)
Ta slovenski standard je istoveten z: prEN ISO 13588
ICS:
25.160.40 Varjeni spoji in vari Welded joints and welds
oSIST prEN ISO 13588:2018 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN ISO 13588:2018
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oSIST prEN ISO 13588:2018
DRAFT INTERNATIONAL STANDARD
ISO/DIS 13588
ISO/TC 44/SC 5 Secretariat: AFNOR
Voting begins on: Voting terminates on:
2018-02-21 2018-05-16
Non-destructive testing of welds — Ultrasonic testing —
Use of automated phased array technology
Contrôle non destructif des assemblages soudés — Contrôle par ultrasons — Utilisation de la technique
multi-éléments automatisés
ICS: 25.160.40
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ISO/DIS 13588:2018(E)
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PROVIDE SUPPORTING DOCUMENTATION. ISO 2018
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oSIST prEN ISO 13588:2018
ISO/DIS 13588:2018(E)
ISO 13588:2017(X)
Contents
Foreword . iv
5.1 Items to be defined prior to procedure development . 4
5.2 Specific information required by the operator before testing . 5
5.3 Written test procedure . 5
6.1 Personnel qualifications . 6
6.2 Test equipment . 6
6.2.1 General . 6
6.2.2 Ultrasonic equipment and display . 6
6.2.3 Ultrasonic probes . 6
6.2.4 Scanning mechanisms . 6
7.1 Volume to be tested . 7
7.2 Verification of the test set-up . 7
7.3 Scan increment setting . 7
7.4 Geometry considerations. 7
7.5 Preparation of scanning surfaces . 7
7.6 Temperature . 8
7.7 Couplant . 8
9.1 Settings . 8
9.1.1 General . 8
9.1.2 Pulse-echo time window . 8
9.1.3 Pulse-echo sensitivity settings . 8
9.1.4 TOFD settings . 9
9.2 Checking of the settings . 9
9.3 Reference blocks . 10
9.3.1 General . 10
9.3.2 Material . 10
9.3.3 Dimensions and shape . 10
9.3.4 Reference reflectors . 10
14.1 General . 11
14.2 Assessing the quality of the phased array data . 12
14.3 Identification of relevant indications . 12
14.4 Classification of relevant discontinuities . 12
14.5 Determination of location and length of a discontinuity . 12
14.5.1 Location . 12
14.5.2 Length . 13
14.6 Discontinuity assessment . 13
14.6.1 General . 13
14.6.2 Based on amplitude . 13
14.6.3 Based on height . 13
14.7 Evaluation against acceptance criteria. 13
COPYRIGHT PROTECTED DOCUMENT
Annex A (informative) Typical reference blocks and reference reflectors . 16
© ISO 2018
Annex B (informative) Illustrations of possible diffracted signals to be used . 20
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting Annex C (informative) Illustrations of the possible signals to be used when diffracted
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
signals are not observed . 24
below or ISO’s member body in the country of the requester.
Bibliography . 27
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ii © ISO 2018 – All rights reserved
© ISO 2017 – All rights reserved iii
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oSIST prEN ISO 13588:2018
ISO/DIS 13588:2018(E)
Contents
Foreword . iv
5.1 Items to be defined prior to procedure development . 4
5.2 Specific information required by the operator before testing . 5
5.3 Written test procedure . 5
6.1 Personnel qualifications . 6
6.2 Test equipment . 6
6.2.1 General . 6
6.2.2 Ultrasonic equipment and display . 6
6.2.3 Ultrasonic probes . 6
6.2.4 Scanning mechanisms . 6
7.1 Volume to be tested . 7
7.2 Verification of the test set-up . 7
7.3 Scan increment setting . 7
7.4 Geometry considerations. 7
7.5 Preparation of scanning surfaces . 7
7.6 Temperature . 8
7.7 Couplant . 8
9.1 Settings . 8
9.1.1 General . 8
9.1.2 Pulse-echo time window . 8
9.1.3 Pulse-echo sensitivity settings . 8
9.1.4 TOFD settings . 9
9.2 Checking of the settings . 9
9.3 Reference blocks . 10
9.3.1 General . 10
9.3.2 Material . 10
9.3.3 Dimensions and shape . 10
9.3.4 Reference reflectors . 10
14.1 General . 11
14.2 Assessing the quality of the phased array data . 12
14.3 Identification of relevant indications . 12
14.4 Classification of relevant discontinuities . 12
14.5 Determination of location and length of a discontinuity . 12
14.5.1 Location . 12
14.5.2 Length . 13
14.6 Discontinuity assessment . 13
14.6.1 General . 13
14.6.2 Based on amplitude . 13
14.6.3 Based on height . 13
14.7 Evaluation against acceptance criteria. 13
Annex A (informative) Typical reference blocks and reference reflectors . 16
Annex B (informative) Illustrations of possible diffracted signals to be used . 20
Annex C (informative) Illustrations of the possible signals to be used when diffracted
signals are not observed . 24
Bibliography . 27
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oSIST prEN ISO 13588:2018
ISO/DIS 13588:2018(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national
standards bodies (ISO member bodies). The work of preparing International Standards is normally
carried out through ISO technical committees. Each member body interested in a subject for which a
technical committee has been established has the right to be represented on that committee.
International organizations, governmental and non-governmental, in liaison with ISO, also take part in
the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all
matters of electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following
URL: www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 44 Welding and allied processes,
Subcommittee SC 5, Testing and inspection of welds.
Requests for official interpretations of any aspect of this document should be directed to the Secretariat of
ISO/TC 44/SC 5 via your national standards body. A complete listing of these bodies can be found at
www.iso.org.
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oSIST prEN ISO 13588:2018
ISO/DIS 13588:2018(E)
Non-destructive testing of welds — Ultrasonic testing — Use of
automated phased array technology
1 Scope
This document specifies the application of the phased array technology for the semi- or fully automated
ultrasonic testing of fusion-welded joints in metallic materials of minimum thickness 6 mm. It applies to
full penetration welded joints of simple geometry in plates, pipes, and vessels, where both the weld and
the parent material are low-alloyed carbon steel.
Where material-dependent ultrasonic parameters are specified in this document, they are based on
steels having a sound velocity of (5 920 ± 50) m/s for longitudinal waves, and (3 255 ± 30) m/s for
transverse waves. It is necessary to take this fact into account when testing materials with different
velocities. Steels with other velocities should be tested under testing level D.
For coarse-grained or austenitic steels ISO 22825 applies.
This document provides guidance on the specific capabilities and limitations of the phased array
technology for the detection, location, sizing and characterization of discontinuities in fusion-welded
joints. Phased array technology can be used as a stand-alone technology or in combination with other
non-destructive testing (NDT) methods or techniques, for manufacturing inspection, pre-service and for
in-service inspection.
This document specifies four testing levels, each corresponding to a different probability of detection of
imperfections.
This document permits assessment of discontinuites for acceptance purposes based on either
amplitude (equivalent reflector size) and length or on height and length.
This document does not include acceptance levels for discontinuities.
This document is not applicable for automated testing of welds during the production of steel products
covered by ISO 10893-8, ISO 10893-11 and ISO 3183.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 5577, Non-destructive testing — Ultrasonic testing — Vocabulary
ISO 17635, Non-destructive testing of welds — General rules for metallic materials
ISO 17640, Non-destructive testing of welds — Ultrasonic testing — Techniques, testing levels, and
assessment
ISO 18563-1, Non-destructive testing — Characterization and verification of ultrasonic phased array
equipment – Part 1: Instruments
ISO 18563-2, Non-destructive testing — Characterization and verification of ultrasonic phased array
equipment — Part 2: Probes
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oSIST prEN ISO 13588:2018
ISO/DIS 13588:2018(E)
ISO 18563-3, Non-destructive testing — Characterization and verification of ultrasonic phased array
equipment — Part 3: Combined systems
ISO 19285, Non-destructive testing of welds — Phased array ultrasonic testing (PAUT) — Acceptance
levels
ISO 22825, Non-destructive testing of welds — Ultrasonic testing — Testing of welds in austenitic steels
and nickel-based alloys
EN 16018, Non-destructive testing — Terminology — Terms used in ultrasonic testing with phased arrays
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 5577 and EN 16018 and the
following apply.
3.1
phased array image
one- or two-dimensional display, constructed from the collected information of phased array operation
3.2
phased array indication
pattern or disturbance in the phased array image which may need further evaluation
3.3
phased array set-up
probe arrangement defined by probe characteristics (e.g. frequency, probe element size, beam angle,
wave mode), probe position, and the number of probes
3.4
probe position
PP
distance between the front of the wedge and the weld centre line
3.5
scan increment
distance between successive data collection points in the direction of scanning (mechanically or
electronically)
3.6
skewed scan
scan performed with a skewed angle
Note 1 to entry: The skewed angle can be achieved electronically or by means of probe orientation.
4 Testing level
Quality requirements for welded joints are mainly associated with the material, welding process and
service conditions. To accommodate all of these requirements, this document specifies four testing
levels (A, B, C, and D).
From testing level A to testing level C, an increasing probability of detection is achieved by an increasing
testing coverage, e.g. number of incidences, combining techniques.
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oSIST prEN ISO 13588:2018
ISO/DIS 13588:2018(E)
Testing level D may be agreed for special applications using a written procedure which shall take into
account the general requirements of this document. This includes tests of metals other than ferritic
steel, tests on partial penetration welds, tests with automated equipment and tests at object
temperatures outside the range.
In general, the testing levels are related to quality levels (e.g. according to ISO 5817). The appropriate
testing level can be specified by standards for the testing of welds (e.g. ISO 17635), by product
standards or by other documents. When ISO 17635 is specified, the recommended testing levels are as
given in Table 1.
Table 1 — Recommended testing levels
Testing level Quality level in ISO 5817
A C, D
B B
C by agreement
C
special application
Table 2 shows the minimum requirements and in all cases as described in 7.2 the set-up shall be
verified with a reference block. In cases where scanning is performed from one face (excluding TOFD),
half and full skip shall be used and stored; if scanning is performed from both faces, half skip is
sufficient.
If the evaluation of the indications is based on amplitude only, the deviation from the normal to the
weld shall not exceed 6°.
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oSIST prEN ISO 13588:2018
ISO/DIS 13588:2018(E)
Table 2 — Description of testing levels
Testing levels
A B C
Mode Example of sketches
Reference blocks (see Annex A)
Block A Block B Block C
Test set-up
Fixed angles at fixed
Not suitable as single
probe position to weld Two sides Two sides
technique
a
(line scans)
Fixed angles with
One side One side One side
a
raster scanning
E-scan at fixed probe
Two sides with
position One side Two sides
c
two angles
a
(line scan)
S-scan at fixed probe Two sides or
Two sides or two probe
position to weld One side two probe
positions
a
(line scan) positions
S-scan raster Not recommended One side
TOFD generated with Not recommended, TOFD testing in
One set-up
a
phased array accordance with ISO 10863
b
Skewed scan If required by specification
a
For testing level C, at least two different test set-ups from this table shall be combined; at least one of them shall be S-scan or TOFD.
b
If detection of transverse discontinuities is required by specification, a suitable additional test set-up shall be applied. Skewed probe or
electronically skewed beam can be used.
c
At least 10° difference between angles.
5 Information required prior to testing
5.1 Items to be defined prior to procedure development
Information on the following items is required:
a) purpose and extent of testing;
b) testing levels;
c) acceptance criteria;
d) specification of reference blocks;
e) manufacturing or operation stage at which the testing is to be carried out;
f) weld details and information on the size of the heat-affected zone;
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oSIST prEN ISO 13588:2018
ISO/DIS 13588:2018(E)
g) requirements for access and surface conditions and temperature;
h) personnel qualifications;
i) reporting requirements.
5.2 Specific information required by the operator before testing
Before any testing of a welded joint can begin, the operator shall have access to all the information as
specified in 5.1 together with the following additional information:
a) written test procedure;
b) type(s) of parent material and product form (i.e. cast, forged, rolled);
c) joint preparation and dimensions;
d) welding instruction or relevant information on the welding process;
e) time of testing relative to any post-weld heat treatment;
f) result of any parent metal testing carried out prior to and/or after welding.
5.3 Written test procedure
For all testing levels a written test procedure is required.
A procedure shall be written and shall include the following information as a minimum:
g) the purpose and extent of testing;
h) testing techniques;
i) testing levels;
j) personnel qualification/training requirements;
k) equipment requirements (including but not limited to frequency, sampling rate, pitch between elements,
element size);
l) reference and/or test blocks;
m) the setting of equipment;
n) available access and surface conditions;
o) the testing of parent material;
p) the evaluation of indications;
q) acceptance levels and/or recording levels;
r) reporting requirements;
s) environmental and safety issues.
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oSIST prEN ISO 13588:2018
ISO/DIS 13588:2018(E)
The procedure shall include a documented testing strategy or scan plan showing probe placement,
movement, and component coverage that provides a standardized and repeatable methodology for
...
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