MC18x45.8 — Dimensions and Section Properties

Dimensions and key properties

yxd = 18″bf = 4″tf = 0.625″tw = 0.5″A = 13.5 in²
MC18x45.8 drawn to the proportions tabulated below, with the y axis at the centroid, x̄ = 0.87″ 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
= 45.8 lb/ft
A
= 13.5 in²
d
= 18 in
bf
= 4 in
Ix
= 578 in⁴
Sx
= 64.2 in³
Zx
= 79.2 in³
rx
= 6.55 in
ry
= 1.05 in

Section properties

PropertyValueUnit
Weight45.8lb/ft
A13.5in²
d18in
bf4in
tf0.625in
tw0.5in
Ix578in⁴
Sx64.2in³
Zx79.2in³
rx6.55in
Iy14.9in⁴
Sy4.77in³
Zy9.14in³
ry1.05in

Other sizes in the MC18 series

← MC18x51.9 (heavier)All 4 MC18 sizesMC18x42.7 (lighter) →

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