DR 04304
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Railway track materials Part 15: Welding of steel rail
06-30-2017
05-24-2004
Proposes performance requirements and tests for welding of steel rail. Gives detailed requirements for flash butt welding, aluminothermic welding and metal arc welding (for repairs). Qualification of the welding procedure is covered and criteria given for re-qualification when parameters are changed. Test methods are given in Appendices.
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