SIST EN 14587-2:2024

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 .
...