C9x20 — Dimensions and Section Properties

Dimensions and key properties

yxd = 9″bf = 2.65″tf = 0.413″tw = 0.448″A = 5.87 in²
C9x20 drawn to the proportions tabulated below, with the y axis at the centroid, x̄ = 0.58″ from the back. The inner flange faces are drawn at the standard 1:6 slope, which is not exact for every size. The flange toe radius is not drawn.
Weight
= 20 lb/ft
A
= 5.87 in²
d
= 9 in
bf
= 2.65 in
Ix
= 60.9 in⁴
Sx
= 13.5 in³
Zx
= 16.9 in³
rx
= 3.22 in
ry
= 0.64 in

Section properties

PropertyValueUnit
Weight20lb/ft
A5.87in²
d9in
bf2.65in
tf0.413in
tw0.448in
Ix60.9in⁴
Sx13.5in³
Zx16.9in³
rx3.22in
Iy2.41in⁴
Sy1.17in³
Zy2.46in³
ry0.64in

Other sizes in the C9 series

All 3 C9 sizesC9x15 (lighter) →

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