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NORMA TECNICA

Welding - Design and non-destructive testing of welds

01/06/2005

IN VIGORE

CEN/TR 15135:2005

CLASSIFICAZIONE ARGOMENTO

TESTO DELLA NORMA

20

Inglese

CEN/TC 121 - SALDATURA

DATA

TITOLO INGLESE

STATO VALIDITA'

LINGUA

PAGINE

PREZZO NON SOCI 46,50

PREZZO SOCI 46,50

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TECHNICAL REPORT

RAPPORT TECHNIQUE

TECHNISCHER BERICHT

CEN/TR 15135

June 2005

ICS 25.160.40

English version

Welding - Design and non-destructive testing of welds

Soudage - Conception et essais non destructifs desassemblages souds

Schweien - Gestaltung von Schweinhten und ihrezerstrungsfreie Prfung

This Technical Report was approved by CEN on 15 May 2005. It has been drawn up by the Technical Committee CEN/TC 121.

CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, SlovakSlovenia, Spain, Sweden, Switzerland and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION

COMIT E UROP E N DE NORMAL ISAT ION

EUROPISCHES KOMITEE FR NORMUNG

Management Centre: rue de Stassart, 36 B-1050 Brussels

2005 CEN All rights of exploitation in any form and by any means reservedld id f CEN ti l M b

Ref. No. CEN/TR 15135:2005

ocumento contenuto ne l prodot to PED ediz ione 2007.

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Contents Page

Foreword ..........................................................................................................................................................3

1 Scope...................................................................................................................................................4

2 General ................................................................................................................................................4

3 Evaluation of a design for non-destructive testing ..........................................................................4

Bibliography...................................................................................................................................................20

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Foreword

This Technical Report (CEN/TR 15135:2005) has been prepared by Technical Committee CEN/TC 121Welding, the secretariat of which is held by DIN.

According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to announce this Technical Report: Austria, Belgium, Cyprus, Czech Republic, Denmark,Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg,Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and theUnited Kingdom.

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1 Scope

This Technical Report is an information document and provides guidance for design and evaluation of variousjoint types and geometrical configurations concerning the accessibility or ability of the weld to be examinedwith non-destructive testing methods.

2 General

The application of non-destructive testing is highly dependent on the geometrical conditions (among others) ofthe component, the configuration and accessibility of the joint.

This is particularly true for volumetric methods, radiographic and ultrasonic testing.

The methods for surface testing visual, magnetic particle, penetrant and eddy current are primarily dependenton the surface conditions and accessibility.

There are a very wide range of geometrical conditions. This Technical Report shows examples for generalnon-destructive evaluation of welded joints in Table 1. More specific examples for the evaluation of differentweld types representing various applications are shown in Table 2.

The examples are intended to give guidance when planning for non-destructive testing during design andfabrication.

The examples in this Technical Report can be used for specifying non-destructive methods in accordance withEN 12062.

3 Evaluation of a design for non-destructive testing

The following tables show the suitability of the non-destructive testing methods for different types of jointconfiguration.

Each serial number starts with a joint configuration, showing:

a) the least acceptable configuration for testing;

b) a better joint configuration for testing;

c) the best configuration;

d) more modifications.

The letters following the serial number define the different test methods:

visual testing VT;

ultrasonic testing UT;

radiographic testing RT;

magnetic particle testing MT;

penetrant testing PT.

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The following conventions are also used:

+ implies that the method is applicable and that the results will satisfy ordinary requirements;

(+) implies that the method has a limited application. The method should be supplemented with anothermethod;

- implies that the method cannot be used or that the results are not sufficient.

It should be noted that in ultrasonic testing the direction of the sound beam, and in radiography the direction ofthe radiation beam relative to the anticipated imperfections, is very important.

The metallurgical structure of a material, its thickness, surface finish and geometry can have a significantaffect on the non-destructive test method.

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Table 1 General evaluation of welded joints

Serialno.

Example NDT method Remarks

VT UT RT MT PT

1a + - (+) + +

1b + (+) + + +

1c + + + + +

1d + + + + +

2a + + + + +

2b + + + + +

3a + (+) (+) + +

3b + + (+) + +

4a

+ (+) (+) + +

(to be continued)

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Table 1 (concluded)

Serialno.

Example NDT method Remarks

VT UT RT MT PT

4b + + + + +

5a

+ + + + +

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Table 2 Evaluation of specific examples of welded joints

Serialno.

Example NDT method Remarks

VT UT RT MT PT

1a + + (+) + +

1b + + + + +

More suitable forexamination than 1a

2a + - - + +

2b + + + + +

3a 1 + + - + +

3b 2 + + + + +

3c + + + + +

More suitable forexamination than 3b

(to be continued)

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Table 2 (continued)

Serialno.

Example Weldedjoint

NDT method Remarks

VT UT RT MT PT

4a

1

2

-

-

+

+

-

-

+

+

(+)

(+)

Accessibility isrestricted to oneside

4b

1

2

3

-

-

-

+

+

+

-

-

-

+

+

+

(+)

(+)

(+)

Accessibility isrestricted to oneside

5a

1

2

-

+

+

(+)

(+)

(+)

+

+

+

+

(to be continued)

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Table 2 (continued)

Serialno.

Example Weldedjoint

NDT method Remarks

VT UT RT MT PT

5b + + + + +

6a

1

2a

2b

+

+

(+)

+

+

+

(+)

+

+ *)

+

+

(+)

+

+

(+)

Variant 2a:accessible from allsurfaces

Variant 2b: notaccessible frominternal surfaces

*) for double wallradiography takethickness intoconsideration

6b

1

2

3

+

+

+

+

(+)

+

+

(+)

(+)

+

+

+

+

+

+

To be carried outprior to weld n 3

6c

1

2a

2b

+

+

+

+

+

+

+

+

+*)

+

+

+

+

+

+

Variant a:accessible from allsurfaces

Variant b: notaccessible frominternal surfaces

*) for double wallradiography takethickness intoconsideration

(to be continued)

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Table 2 (continued)

Serialno.

Example Weldedjoint

NDT method Remarks

VT UT RT MT PT

7a

1

2

+

+

-

-

(+)

(+)

+

+

+

+

RT needs accessfrom both side

7b

1

2

+

+

-

(+)

(+)

(+)

+

+

+

+

RT needs accessfrom both side

8a + - (+) + +

8b + + + + +

More suitable forwelding than 8a

9a

1

2

+

+

+

+

+

(+)

+

+

+

+

(to be continued)

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Table 2 (continued)

Serialno.

Example Weldedjoint

NDT method Remarks

VT UT RT MT PT

9b 1

2

3

+

+

+

+

+

+

+

+

+

+

+

+

+

+

+

10a

1

2

3

+

+

+

-*)

-*)

-

(+)

(+)

(+)

+

+

+

+

+

+

Prior to welding ofreinforcement ring

*) accessible frominternal surface

10b + -*) (+) + + *) accessible frominternal surface

11a + +*) (+)*)

+ + *) accessible frominternal surface

(to be continued)

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Table 2 (continued)

Serialno.

Example Weldedjoint

NDT method Remarks

VT UT RT MT PT

11b + + + + +

12 + + + + +

13a + + - + +

13b

1a

1b

2

+

+

+

+

+

+

(+)

-

+*)

+

(+)

+

+

(+)

(+)

Prior to weldingweld 2

After welding weld2

*) for double wallradiography takethickness intoconsideration

14a

1

2a

2b

3

+

+

-

+

(+)

(+)

(+)

+

(+)

(+)

-

-

+

+

-

+

+

+

-

+

2a: prior to welding

weld n3

2b: after weldingweld n3

(to be continued)

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Table 2 (continued)

Serialno.

Example Weldedjoint

NDT method Remarks

VT UT RT MT PT

14b

1

2a

2b

3

+

+

(+)

+

+

+

+

+

+

+

+*)

+*)

+

+

(+)

+

+

+

(+)

+

2a: prior to weldingweld n3

2b: after weldingweld n3

*) double wallradiography

15

1

2

+

+

(+)

-

(+)

-

+

+

+

+

1: prior to weldingweld n2

16a

+ + (+) + (+)

16b

+ + + + +

(to be continued)

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Table 2 (continued)

Serialno.

Example Weldedjoint

NDT method Remarks

VT UT RT MT PT

17a + +*) (+) + + *) more favourableprior to drilling

17b

+ + + + +

18a

1a

1b

2

+

+

+

+

+*)

-

(+)

(+)*)

(+)

+

+

+

+

+

+

1a: prior to weldingof support plate

1b: after to welding

of support plate

*) restricted in thearea of supportplate

18b

1

2

+

+

+

-

(+)

(+)

+

+

+

+

(to be continued)

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Table 2 (continued)

Serialno.

Example Weldedjoint

NDT method Remarks

VT UT RT MT PT

19a 1

2

3

+

+

+

+

-

+

(+)

(+)

+

+

+

+

+

+

19b

1

2

3

+

+

+

+

+

+

+

(+)

+

+

+

+

+

+

+

20a 1

2

+

+

(+)

-

(+)

-

+

+

+

+

20b

+ + + + +

(to be continued)

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Table 2 (continued)

Serialno.

Example Weldedjoint

NDT method Remarks

VT UT RT MT PT

21a 1

2

+

+

-

(+)

-

-

+

+

+

+

21b 1

2

+

+

+

+

+

+

+

+

+

+

22a + - - + +

22b + (+) + + +

(to be continued)

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Table 2 (continued)

Serialno.

Example Weldedjoint

NDT method Remarks

VT UT RT MT PT

23a + (+) (+) + +

23b + + + + +

24a + + (+) + +

24b + + (+) + +

25a + + (+) + +

25b + + + + +

(to be continued)

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Table 2 (concluded)

Serialno.

Example Weldedjoint

NDT method Remarks

VT UT RT MT PT

26a 1

2

+

+

(+)

+

(+)

(+)

+

+

+

+

26b + + + + +

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Bibliography

EN 12062, Non-destructive examination of welds General rules for metallic materials