EN 16729-5:2023
(Main)Railway applications - Infrastructure - Non-destructive testing on rails in track - Part 5: Non-destructive testing on welds in track
Railway applications - Infrastructure - Non-destructive testing on rails in track - Part 5: Non-destructive testing on welds in track
This document specifies the procedures of visual testing and ultrasonic testing of rail welds in track for rail profiles meeting the requirements of EN 13674-1.
This document specifies the principles for testing procedures for manufactured welds. This document defines the procedure for repair welds and joint welds. This document does not define the number of welds to be tested.
This document is not concerned with the approval of the welding procedure.
Bahnanwendungen - Oberbau - Zerstörungsfreie Prüfung an Schienen im Gleis - Teil 5: Zerstörungsfreie Prüfung an Schweißungen im Gleis
Dieses Dokument legt die Verfahren zur Sichtprüfung und Ultraschallprüfung von Schienenschweißungen in Gleisen für Schienenprofile fest, die die Anforderungen nach EN 13674 1 erfüllen.
Dieses Dokument legt die Grundsätze für Prüfverfahren für gefertigte Schweißungen fest. Dieses Dokument legt das Verfahren für Reparaturschweißungen und Verbindungsschweißungen fest. Dieses Dokument legt nicht die Anzahl der zu prüfenden Schweißungen fest.
Dieses Dokument behandelt nicht die Zulassung des Schweißprozesses.
Applications ferroviaires - Infrastructure - Essais non destructifs sur les rails en voie - Partie 5 : Essais non destructifs sur les soudures en voie
Le présent document spécifie les procédures à suivre pour les examens visuels et les examens par ultrasons des soudures en voie, réalisés sur des profils de rails conformes aux exigences de l'EN 13674-1.
Le présent document spécifie les principes de base relatifs aux procédures d'essai des soudures à l'état final. Le présent document définit la procédure applicable aux soudures de réparation et d'assemblage. Le présent document ne définit pas le nombre de soudures à évaluer.
Le présent document ne traite pas de l'approbation du mode opératoire de soudage.
Železniške naprave - Infrastruktura - Neporušitveno preskušanje na progi - 5. del: Neporušitveno preskušanje zvarnih spojev na progi
Ta dokument določa postopke za vizualno preiskavo in ultrazvočno preskušanje zvarnih spojev na progi s profili, ki ustrezajo zahtevam standarda EN 13674-1.
Ta dokument določa načela preskusnih postopkov za izdelane zvare. Ta dokument določa postopek za zvarne spoje in popravljene zvare. Ta dokument ne določa števila zvarov, ki se jih preskuša.
Ta dokument se ne ukvarja z odobritvijo varilnega postopka.
General Information
Standards Content (Sample)
SLOVENSKI STANDARD
01-junij-2023
Železniške naprave - Infrastruktura - Neporušitveno preskušanje na progi - 5. del:
Neporušitveno preskušanje zvarnih spojev na progi
Railway applications - Infrastructure - Non-destructive testing on rails in track - Part 5:
Non-destructive testing on welds in track
Bahnanwendungen - Oberbau - Zerstörungsfreie Prüfung an Schienen im Gleis - Teil 5:
Zerstörungsfreie Prüfung an Schweißungen im Gleis
Applications ferroviaires - Infrastructure - Essais non destructifs sur les rails en voie -
Partie 5 : Essais non destructifs sur les soudures en voie
Ta slovenski standard je istoveten z: EN 16729-5:2023
ICS:
19.100 Neporušitveno preskušanje Non-destructive testing
25.160.40 Varjeni spoji in vari Welded joints and welds
93.100 Gradnja železnic Construction of railways
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 16729-5
EUROPEAN STANDARD
NORME EUROPÉENNE
April 2023
EUROPÄISCHE NORM
ICS 25.160.40; 93.100
English Version
Railway applications - Infrastructure - Non-destructive
testing on rails in track - Part 5: Non-destructive testing on
welds in track
Applications ferroviaires - Infrastructure - Essais non Bahnanwendungen - Oberbau - Zerstörungsfreie
destructifs sur les rails en voie - Partie 5 : Essais non Prüfung an Schienen im Gleis - Teil 5: Zerstörungsfreie
destructifs sur les soudures en voie Prüfung an Schweißungen im Gleis
This European Standard was approved by CEN on 27 February 2023.
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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye 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
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 16729-5:2023 E
worldwide for CEN national Members.
Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 Symbols and abbreviations . 6
5 NDT methods to detect defects in rail welds . 7
5.1 General . 7
5.2 Visual testing – VT. 9
5.2.1 General . 9
5.2.2 VT inspection zone . 9
5.2.3 Example of defects . 9
5.3 Ultrasonic Testing — UT . 9
5.3.1 General . 9
5.3.2 UT inspection zone . 9
5.3.3 Example of defects . 9
6 Description of weld defects . 10
6.1 Defects in electric arc repair welds . 10
6.1.1 Volumetric defects - Porosity . 10
6.1.2 Planar defects . 11
6.2 Defects in flash butt welds (Tri-metallic welds) . 15
6.3 Defects in aluminothermic weld . 17
6.3.1 Volumetric defects . 17
6.3.2 Planar defects . 23
6.3.3 Thermal contraction (Hot Tear) . 27
6.3.4 Fatigue cracks . 28
7 Documentation . 30
7.1 General . 30
7.2 Requirements of documentation VT . 30
7.3 Requirements of documentation UT . 30
Annex A (informative) Visual testing procedures on welds . 31
A.1 General . 31
A.2 Visual testing on welds . 31
A.2.1 Testing equipment. 31
A.2.2 Testing preparation and procedure . 31
Annex B (informative) Ultrasonic testing procedures on welds . 32
B.1 General . 32
B.2 Ultrasonic testing on welds . 32
B.2.1 Testing equipment. 32
B.2.2 Testing preparation and procedures . 39
B.3 Phase W: Walking stick . 39
B.3.1 General . 39
B.3.2 Overview . 39
B.3.3 Reference block for inspection W.1 . 39
B.3.4 Reference block for inspections W.2 and W.3 . 39
B.3.5 Transfer correction applied to inspections W.1 to W.3 . 40
B.3.6 Couplant . 40
B.3.7 Inspection zone . 40
B.4 Phase H: Single probes . 40
B.4.1 General . 40
B.4.2 Overview . 40
B.4.3 Reference block for inspection H.1 . 40
B.4.4 Reference block for inspection H.2 . 41
B.4.5 Reference block for inspections H.3 and H.4 . 41
B.4.6 Transfer correction applied to inspections H.1 to H.4 . 41
B.4.7 Couplant . 44
B.4.8 Inspection zones . 44
B.5 Phase T: Tandem 45° on the running surface. 48
B.5.1 Overview . 48
B.5.2 Reference block for inspection T.1 . 48
B.5.3 Transfer correction applied to inspection T.1 . 48
B.5.4 Couplant . 48
B.5.5 Inspection zone for T.1 . 48
B.6 Phase TS: Tandem 70° on the side of the rail head, web and foot . 49
B.6.1 Overview . 49
B.6.2 Reference block for inspection TS.1 . 50
B.6.3 Reference block for inspection TS.2 . 51
B.6.4 Reference block for inspection TS.3 . 52
B.6.5 Transfer correction applied to inspections TS.1 to TS.3 . 52
B.6.6 Couplant . 53
B.6.7 Inspection zones . 53
Bibliography . 55
European foreword
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