I.S. EN 14587-1:2007
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 1: NEW R220, R260, R260MN AND R350HT GRADE RAILS IN A FIXED PLANT
Hardcopy , PDF
10-01-2019
English
01-01-2007
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Quality management system
5 Requirements for the welding process
5.1 General
5.2 Clamping force
5.3 Pre-heating
5.4 Flashing
5.5 Upsetting
5.6 Upset current
5.7 Unclamping
5.8 Welding parameters
5.9 Steps across the weld
5.10 Removal of excess upset
5.11 Post-weld heat treatment
5.12 Rail end preparation and horizontal alignment
requirements
6 Procedure approval
6.1 General
6.2 Information to be supplied by the purchaser
6.3 Sample preparation
6.4 Approval tests
6.4.1 Visual inspection
6.4.2 Weld trimming
6.4.3 Weld straightness and flatness
6.4.4 Magnetic particle or dye penetrant inspection
6.4.5 Bend testing
6.4.6 Macro examination
6.4.7 Micro examination
6.4.8 Hardness testing
6.4.9 Fatigue testing
6.5 Test result report
7 Approval of other rail profiles or grades
7.1 General
7.2 Sample preparation
7.3 Approval tests
7.4 Test result report
8 Approval of the Welding Contractor
8.1 General
8.2 Welding procedure
8.3 Operators
8.4 Supervision
8.5 Weld Inspection
8.6 Equipment
9 Weld production following procedure approval
9.1 Weld production
9.2 Information to be supplied by the purchaser
9.3 Rail end preparation and horizontal rail alignment
requirements
9.4 Weld parameter monitoring
9.5 Weld identification
9.6 Visual inspections
9.7 Steps across the weld
9.8 Finishing
9.8.1 Correction of vertical and horizontal weld
alignment
9.8.2 Profile finishing of the rail head
9.9 Weld straightness and flatness
9.10 Bend testing
9.10.1 General
9.10.2 Additional bend test
9.10.3 Bend test procedure
9.10.4 Interpretation of results
9.10.5 Retesting
9.11 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
C.1 Scope
C.2 Test equipment
C.3 Calibration procedure
C.3.1 General
C.3.2 Test piece
C.3.3 Test piece preparation
C.3.4 Instrumentation
C.3.5 Procedure
C.4 Fatigue test method
C.4.1 General
C.4.2 Staircase testing method
C.4.3 Example of the data analysis of a fatigue
strength determination by the staircase method
C.4.4 Past-the-post testing method
Annex D (normative) Macro examination and micro examination
D.1 Macro examination
D.2 Micro examination
Annex E (normative) Hardness testing
Bibliography
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