6750 new box cars with aluminum roofs now in service, with 1000 automobile box cars to be built shortly; .081 in. thick Alcan B54S aluminum used for roof sheets and .186 in. Alcan 54S sheet for seam caps; 1200 lb saved over comparable steel roof; history of development of aluminum freight cars in Canada. (p 56, 58, 60, 62, 64)
Canadian railroads get aluminum freight cars rolling
Modern Metals
Modern Metals ; 13 , n 2
1957
Aufsatz (Zeitschrift)
Englisch
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