Rail Weights and Sizes
The weight of a rail per length is an important factor in determining rails strength and hence axleloads and speeds.
Weights are measured in pounds per yard or kilograms per metre; the pounds-per-yard figure is almost exactly double the kilograms-per-metre figure. Rails in Canada, the United Kingdom and United States are described using imperial units. In Australia, metric units are used as in mainland Europe.
In rail terminology Pound is used synonymously with pounds per yard, e.g. a 132 pound rail means a rail of 132 lb/yd.
Read more about this topic: Rail Profile
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