Specification for dimensional properties and associated tolerances of railway rails
45.080 - Rails and railway components
Reemplaza a: BS 11:1985
This British Standard specifies requirements for the dimensional properties and associated tolerances of railway rails of 24.8 kg/m (50 lb/yd) and greater linear mass which are not specified in BS EN 13674-1 or BS EN 13674-4 .
For chemical and mechanical properties, grade designation, marking and certification requirements see BS EN 13674-1 .
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