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W 8X40 - Section Properties

The W 8X40 is a steel section with a mass of 59.5 kg/m, an overall depth of 209.6 mm and width of 205 mm. It has a cross-sectional area of 75.5 cm², a second moment of area Iᵧ of 6077 cm⁴, a plastic modulus Wₚₗ,ᵧ of 652.21 cm³, to AISC Shapes Database v16.0 (SCI P363 Blue Book).

Mass
40 lb/ft (59.5 kg/m)
Depth
8.25 in (209.6 mm)
Width
8.07 in (205 mm)
Area
11.7 in² (75.5 cm²)
🔍 Open the full Steel CatalogueRun EC3 capacity checks on W 8X40
mass (lb/ft)40 (59.5 kg/m)
h (in)8.25 (209.6 mm)
b (in)8.07 (205 mm)
tw (in)0.36 (9.1 mm)
tf (in)0.56 (14.2 mm)
A (in²)11.7 (75.5 cm²)
Iy (in⁴)146 (6077 cm⁴)
Wel,y (in³)35.5 (581.74 cm³)
Wpl,y (in³)39.8 (652.21 cm³)
iy (in)3.53 (8.97 cm)
Iz (in⁴)49.1 (2044 cm⁴)
Wel,z (in³)12.2 (199.92 cm³)
Wpl,z (in³)18.5 (303.16 cm³)
iz (in)2.04 (5.18 cm)
It (in⁴)1.12 (46.62 cm⁴)
Iw (in⁶)726 (0.19 dm⁶)

Related W sizes

W 10X12W 8X67W 8X58W 8X48W 8X35W 8X31W 8X28W 8X24

Learn more

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