Sections developed by Colorado Fuel and Iron Corp weigh 119 and 136 lb per yd; headfree shape of comparable SP 132-lb rail has been eliminated and thickness through upper fillets is somewhat greater; changes also made in head contours, including longer radii for upper corners; head is higher and deeper than in RE sections. (See also Ry Age v 139 n 10 Sept 5 1955 p 41-2)
Two new rail sections
Ry Track Structures
Railway Track and Structures ; 51 , n 9
1955
2 pages
Article (Journal)
English
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