Sills made of two Zee bars placed back to back and welded along edges of two upper flanges are fabricated by new automatic welding process for use in cars manufactured by ACF Industries; submerged arc welding is employed; photographs and diagrams.
Welded center sills for freight cars
Ry Locomotives Cars
Railway Locomotives and Cars ; 129 , n 2
1955
3 pages
Article (Journal)
English
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