C7 Channel Sizes

The C7 series runs 3 sizes, from C7x14.75 at 14.75 lb/ft to C7x9.8 at 9.8 lb/ft. They share a nominal depth, so the sizes in it differ mainly in web thickness and in how far the flange reaches.

C7 sizes, heaviest first

Sizelb/ftd (in)bf (in)A (in²)Ix (in⁴)Sx (in³)Zx (in³)
C7x14.7514.7572.34.3327.27.789.75
C7x12.2512.2572.193.5924.26.928.46
C7x9.89.872.092.8721.26.077.19

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