NEN EN 14730-2 : 2006
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
RAILWAY APPLICATIONS - TRACK - ALUMINOTHERMIC WELDING OF RAILS - PART 2: QUALIFICATION OF ALUMINOTHERMIC WELDERS, APPROVAL OF CONTRACTORS AND ACCEPTANCE OF WELDS
01-05-2021
12-01-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Qualification of aluminothermic welders
4.1 Initial training and issue of a Diploma in
Aluminothermic Welding of Rails
4.2 Permit to Weld
4.3 Welder identification
4.4 Welder records
5 Approval of aluminothermic welding contractors
5.1 General
5.2 Quality management system
5.3 Practical experience
5.4 Aluminothermic welders
5.5 Training
5.6 Equipment
5.7 Purchase, management and control of consumables
5.8 Supervision
5.9 Weld inspection
5.10 Traceability
5.11 Audits
6 Acceptance of aluminothermic welds
6.1 General
6.2 Weld inspector qualification
6.3 Weld inspection
6.4 Geometric requirements
6.4.1 General
6.4.2 Alignment and match of the weld collars
6.4.3 Welded rail alignment
6.5 Weld integrity
6.6 Documentation
Annex A (informative) Diploma in Aluminothermic
Welding of Rails
Annex B (informative) Permit to Weld
Bibliography
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