UNI EN 14587-2 : 2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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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
15-10-2024
08-10-2009
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements for the welding process
4.1 General
4.2 Clamping force
4.3 Pre-heating - flashing
4.4 Progressive flashing
4.5 Upsetting
4.6 Upset current
4.7 Unclamping
4.8 Welding program and records
4.9 Step across the weld
4.10 Weld trimming
4.11 Post-weld heat treatment
5 Procedure approval of a MFBW machine
5.1 General
5.2 Sample preparation
5.3 Approval tests
5.4 Test result report
6 Approval of other rail profiles or grade
6.1 General
6.2 Approval tests
7 Approval of the Welding Contractor
7.1 General
7.2 Requirements for initial approval
7.3 Field approval of the welding contractor
7.4 Audits
8 Weld production and acceptance requirements
8.1 Information from the purchaser
8.2 Site preparation of rail ends
8.3 Rail alignment
8.4 Weld parameter monitoring
8.5 Weld identification
8.6 Visual inspection
8.7 Steps across the weld
8.8 Profile finishing of the rail head
8.9 Geometrical acceptance criteria
8.10 Weld production testing
8.11 Documentation
Annex A (normative) - Bend test requirements
Annex B (normative) - Test weld fracture faces - Recording
of defects
Annex C (normative) - Fatigue test method for flash butt welds
Annex D (normative) - Macro examination and micro
examination
Annex E (normative) - Hardness testing
Annex ZA (informative) - Relationship between this European
Standard and the Essential Requirements of EU
Directive 2008/57/EC
Bibliography
Describes requirements for the approval of a welding process by a MFBW machine at sites other than fixed plant, as well as the welding contractor together with the requirements for subsequent welding production.
| Committee |
CT 50
|
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| EN 14587-2:2009 | Identical |
| ISO 6507-1:2005 | Metallic materials Vickers hardness test Part 1: Test method |
| EN ISO 9001:2015 | Quality management systems - Requirements (ISO 9001:2015) |
| EN 13674-1:2011+A1:2017 | Railway applications - Track - Rail - Part 1: Vignole railway rails 46 kg/m and above |
| ISO 7500-1:2015 | Metallic materials Calibration and verification of static uniaxial testing machines Part 1: Tension/compression testing machines Calibration and verification of the force-measuring system |
| EN 14587-1:2007 | Railway applications - Track - Flash butt welding of rails - Part 1: New R220, R260, R260Mn and R350HT grade rails in a fixed plant |
| EN 571-1:1997 | Non destructive testing - Penetrant testing - Part 1: General principles |
| EN 1290:1998/A2:2003 | NON-DESTRUCTIVE EXAMINATION OF WELDS - MAGNETIC PARTICLE EXAMINATION OF WELDS |
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