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Railway rail

This is the longitudinal element of the track in contact with the rolling stock's wheels that defines the running surface by means of unidirectional guidance and transmitting the loads to the splice bars or railway, as well as serving as electrical conductors. It is made from iron or steel and is characterised by the section's shape (the most used is the flat-bottomed type) and weight by linear metre, the heavier the load it has to support the bigger it is. It is manufactured in limited longitudinal bars that are welded or joined together by flanges, being fixed to the splice bars with different types of fastenings.

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Railway rail