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CEN

EN 14587-2:2024

(Main)

Railway applications - Infrastructure - Flash butt welding of new rails - Part 2: R200, R220, R260, R260Mn, R320Cr, R350HT, R350LHT, R370CrHT and R400HT grade rails by mobile welding machines at sites other than a fixed plant

Railway applications - Infrastructure - Flash butt welding of new rails - Part 2: R200, R220, R260, R260Mn, R320Cr, R350HT, R350LHT, R370CrHT and R400HT grade rails by mobile welding machines at sites other than a fixed plant

This document specifies requirements for the approval of a welding process by mobile plant, together with the requirements for subsequent welding production.
It applies to new Vignole railway rails R200, R220, R260, R260Mn, R320Cr, R350HT, R350LHT, R370CrHT and R400HT grade rails of 46 kg/m and above, as contained in EN 13674-1:2011+A1:2017, welded by a flash butt welding process by mobile plant and intended for use on railway infrastructure.
This document applies to the welding of rails into welded strings.

Bahnanwendungen - Infrastruktur - Abbrennstumpfschweißen von Schienen - Teil 2: Abbrennstumpfschweißen neuer Schienen der Stahlsorten R200, R220, R260, R260Mn, R320Cr, R350HT, R350LHT, R370CrHT und R400HT durch mobile Schweißmaschinen an Orten außerhalb eines Schweißwerkes

Dieses Dokument legt die Anforderungen für die Zulassung eines Schweißprozesses mit einer mobilen Anlage, zusammen mit den Anforderungen an die Produktion von Schweißungen fest.
Es ist anwendbar für neue Vignolschienen der Stahlsorte R200, R220, R260, R260Mn, R320Cr, R350HT, R350LHT, R370CrHT und R400HT mit einer längenbezogenen Masse ab 46 kg/m, wie in EN 13674-1:2011+A1:2017 behandelt, die durch eine mobile Anlage mit einem Abbrennstumpfschweißprozess verschweißt werden und für die Verwendung in der Eisenbahninfrastruktur vorgesehen sind.
Dieses Dokument ist anwendbar bei der Herstellung von Langschienen.

Applications ferroviaires - Voie - Soudage des rails neufs par étincelage - Partie 2 : Rails de nuances R200, R220, R260, R260Mn, R320Cr, R350HT, R350 LHT, R370CrHT et R400HT par des machines à souder mobiles dans des sites autres qu'une installation fixe

Le présent document spécifie des exigences de validation d'un procédé de soudage par une soudeuse mobile, ainsi que les exigences relatives à la production ultérieure des soudures.
Il s'applique aux rails Vignole neufs de nuances R200, R220, R260, R260Mn, R320Cr, R350HT, R350LHT, R370CrHT et R400HT de masse supérieure ou égale à 46 kg/m, tels que repris dans l'EN 13674-1:2011+A1:2017, soudés par étincelage au moyen d'une soudeuse mobile et destinés à être utilisés sur des infrastructures ferroviaires.
Le présent document s'applique au soudage de barres longues.

Železniške naprave - Infrastruktura - Uporovno varjenje novih tirnic - 2. del: Varjenje tirnic kakovosti R200, R220, R260, R260Mn, R320Cr, R350HT, R350LHT, R370CrHT in R400HT s prevoznim varilnim strojem

General Information

Status
Published
Publication Date
21-Aug-2024
ICS
25.160.10 - Welding processes
93.100 - Construction of railways
Technical Committee
CEN/TC 256 - Railway applications
Drafting Committee
CEN/TC 256/SC 1/WG 4 - Rails
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
22-Aug-2024
Due Date
30-Sep-2022
Completion Date
22-Aug-2024
Directive
2016/797/EU - Directive (EU) 2016/797 of the European Parliament and of the Council of 11 May 2016 on the interoperability of the rail system within the European Union (Text with EEA relevance)
Mandate
M/483 - Mandate for programming and standardisation addressed to the European standardisation bodies under directive 2008/57/EC in the field of the interoperability of the rail system within the European Union
M/591 - Standardisation request to the European Committee for Standardisation and the European Committee for Electrotechnical Standardisation as regards railway products in support of Directive (EU) 2016/797
Ref Project
SIST EN 14587-2:2024 - Railway applications - Infrastructure - Flash butt welding of new rails - Part 2: R200, R220, R260, R260Mn, R320Cr, R350HT, R350LHT, R370CrHT and R400HT grade rails by mobile welding machines at sites other than a fixed plant

Relations

Replaces
EN 14587-2:2009 - Railway applications - Track - Flash butt welding of rails - Part 2: New R220, R260, R260Mn and R350HT grade rails by mobile welding machines at sites other than a fixed plant
Effective Date
28-Jan-2023

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Standards Content (Sample)


SLOVENSKI STANDARD
01-oktober-2024
Železniške naprave - Infrastruktura - Uporovno varjenje novih tirnic - 2. del:
Varjenje tirnic kakovosti R200, R220, R260, R260Mn, R320Cr, R350HT, R350LHT,
R370CrHT in R400HT s prevoznim varilnim strojem
Railway applications - Infrastructure - Flash butt welding of new rails - Part 2: R200,
R220, R260, R260Mn, R320Cr, R350HT, R350LHT, R370CrHT and R400HT grade rails
by mobile welding machines at sites other than a fixed plant
Bahnanwendungen - Infrastruktur - Abbrennstumpfschweißen von Schienen - Teil 2:
Abbrennstumpfschweißen neuer Schienen der Stahlsorten R200, R220, R260, R260Mn,
R320Cr, R350HT, R350LHT, R370CrHT und R400HT durch mobile Schweißmaschinen
an Orten außerhalb eines Schweißwerkes
Applications ferroviaires - Infrastructure - Soudage des rails neufs par étincelage - Partie
2 : Rails de nuances R200, R220, R260, R260Mn, R320Cr, R350HT, R350 LHT,
R370CrHT et R400HT par des soudeuses mobiles dans des sites autres qu'une
installation fixe
Ta slovenski standard je istoveten z: EN 14587-2:2024
ICS:
25.160.10 Varilni postopki in varjenje Welding processes
93.100 Gradnja železnic Construction of railways
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 14587-2
EUROPEAN STANDARD
NORME EUROPÉENNE
August 2024
EUROPÄISCHE NORM
ICS 25.160.10; 93.100 Supersedes EN 14587-2:2009
English Version
Railway applications - Infrastructure - Flash butt welding
of new rails - Part 2: R200, R220, R260, R260Mn, R320Cr,
R350HT, R350LHT, R370CrHT and R400HT grade rails by
mobile welding machines at sites other than a fixed plant
Applications ferroviaires - Voie - Soudage des rails Bahnanwendungen - Infrastruktur -
neufs par étincelage - Partie 2 : Rails de nuances R200, Abbrennstumpfschweißen von Schienen - Teil 2:
R220, R260, R260Mn, R320Cr, R350HT, R350 LHT, Abbrennstumpfschweißen neuer Schienen der
R370CrHT et R400HT par des machines à souder Stahlsorten R200, R220, R260, R260Mn, R320Cr,
mobiles dans des sites autres qu'une installation fixe R350HT, R350LHT, R370CrHT und R400HT durch
mobile Schweißmaschinen an Orten außerhalb eines
Schweißwerkes
This European Standard was approved by CEN on 14 July 2024.

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
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 14587-2:2024 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 Requirements for the welding process . 8
4.1 General . 8
4.2 Rail end preparation and horizontal alignment requirements . 8
4.3 Clamping force . 8
4.4 Pre-heating . 8
4.5 Final flashing . 8
4.6 Upsetting . 8
4.7 Unclamping. 8
4.8 Slippage. 9
4.9 Welding parameters . 9
4.10 Steps across the weld . 9
4.11 Removal of excess upset . 11
4.12 Post-weld thermal treatment . 13
5 Procedure approval. 13
5.1 General . 13
5.2 Information to be supplied by the purchaser . 13
5.3 Sample preparation . 14
5.4 Approval tests . 14
5.4.1 Visual examination . 14
5.4.2 Weld trimming . 14
5.4.3 Weld straightness and flatness . 14
5.4.4 Magnetic particle or dye penetrant testing . 14
5.4.5 Bend test . 14
5.4.6 Macro examination . 15
5.4.7 Micro examination . 17
5.4.8 Hardness test . 17
5.4.9 Fatigue test . 17
5.5 Test report . 18
6 Approval of other rail profiles and grades . 18
6.1 General . 18
6.2 Sample preparation . 18
6.3 Approval tests . 18
6.4 Test report . 18
7 Approval of the contractor. 18
7.1 General . 18
7.2 Welding procedure . 19
7.3 Operators . 19
7.4 Supervision . 19
7.5 Weld testing . 19
7.6 Equipment . 19
7.7 Field approval of the contractor. 19
8 Weld production following procedure approval . 19
8.1 Weld production . 19
8.2 Information supplied by the purchaser . 19
8.3 Rail end preparation and horizontal rail alignment requirements . 20
8.4 Weld parameter monitoring . 20
8.5 Weld identification . 20
8.6 Visual examination . 20
8.7 Steps across the weld . 20
8.8 Finishing . 20
8.8.1 Correction of vertical and horizontal weld alignment . 20
8.8.2 Profile finishing of the rail head . 20
8.9 Weld straightness and flatness . 21
8.9.1 Alignment requirements . 21
8.9.2 Straightness and flatness measurement . 21
8.10 Bend test . 22
8.10.1 General . 22
8.10.2 Bend test procedure . 22
8.10.3 Interpretation of results . 23
8.10.4 Retesting . 23
8.11 Documentation . 23
Annex A (normative) Bend test requirements . 24
Annex B (normative) Test weld fracture faces – Recording of defects .
...

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