Steel railway tracks Battle Ground, WA, USA -Threshold B&W effect cover photo - 133317573

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Photo title: Steel railway tracks Battle Ground, WA, USA -Threshold B&W effect
Author: Venturebeyond

Cover photo description:
Ã¢â‚¬Å“Modern track typically uses hot-rolled steel with a profile of an asymmetrical rounded I-beam. Unlike some other uses of iron and steel, railway rails are subject to very high stresses and have to be made of very high-quality steel alloy. It took many decades to improve the quality of the materials, including the change from iron to steel. The stronger the rails and the rest of the track-work, the heavier and faster the trains the track can carry.Ã¢â‚¬Â Wikipedia

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