C5 Channel Sizes

The C5 series runs 2 sizes, from C5x9 at 9 lb/ft to C5x6.7 at 6.7 lb/ft. They share a nominal depth, so the sizes in it differ mainly in web thickness and in how far the flange reaches.

C5 sizes, heaviest first

Sizelb/ftd (in)bf (in)A (in²)Ix (in⁴)Sx (in³)Zx (in³)
C5x9951.892.648.893.564.39
C5x6.76.751.751.977.482.993.55

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