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W 8X31 - Section Properties

The W 8X31 is a steel section with a mass of 46.1 kg/m, an overall depth of 203.2 mm and width of 203.2 mm. It has a cross-sectional area of 58.9 cm², a second moment of area Iᵧ of 4579 cm⁴, a plastic modulus Wₚₗ,ᵧ of 498.17 cm³, to AISC Shapes Database v16.0 (SCI P363 Blue Book).

Mass
31 lb/ft (46.1 kg/m)
Depth
8 in (203.2 mm)
Width
8 in (203.2 mm)
Area
9.13 in² (58.9 cm²)
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mass (lb/ft)31 (46.1 kg/m)
h (in)8 (203.2 mm)
b (in)8 (203.2 mm)
tw (in)0.285 (7.2 mm)
tf (in)0.435 (11 mm)
A (in²)9.13 (58.9 cm²)
Iy (in⁴)110 (4579 cm⁴)
Wel,y (in³)27.5 (450.64 cm³)
Wpl,y (in³)30.4 (498.17 cm³)
iy (in)3.47 (8.81 cm)
Iz (in⁴)37.1 (1544 cm⁴)
Wel,z (in³)9.27 (151.91 cm³)
Wpl,z (in³)14.1 (231.06 cm³)
iz (in)2.02 (5.13 cm)
It (in⁴)0.536 (22.31 cm⁴)
Iw (in⁶)530 (0.14 dm⁶)

Related W sizes

W 8X58W 8X48W 8X40W 8X35W 8X28W 8X24W 8X21W 8X18

Learn more

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