BS 11:2015 pdf free download – Specification for dimensional properties and associated tolerances of railway rails.
BS 11 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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