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SHS 40×40×3 - Section Properties

The SHS 40×40×3 is a square hollow section with a mass of 3.41 kg/m, an overall depth of 40 mm and width of 40 mm and a wall thickness of 3 mm. It has a cross-sectional area of 4.34 cm², a second moment of area Iᵧ of 9.78 cm⁴, a plastic modulus Wₚₗ,ᵧ of 5.97 cm³, to BS EN 10210-2:2006 (SCI P363 Blue Book).

Mass
3.41 kg/m
Depth
40 mm
Width
40 mm
Wall thickness
3 mm
Area
4.34 cm²
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SHS 40×40×3 section profile
mass (kg/m)3.41
t (mm)3
Iy (cm⁴)9.78
Iz (cm⁴)9.78
iy (cm)1.5
iz (cm)1.5
Wel,y (cm³)4.89
Wel,z (cm³)4.89
Wpl,y (cm³)5.97
Wpl,z (cm³)5.97
A (cm²)4.34
SA/m (m²/m)0.152
SA/t (m²/t)44.5

Related SHS Hot-finished sizes

SHS 40×40×3.2SHS 40×40×3.6SHS 40×40×4SHS 40×40×5SHS 50×50×3SHS 50×50×3.2SHS 50×50×3.6SHS 50×50×4

Learn more

📘 How to read a steel section table (UB, UC, IPE, HE)📘 Section modulus explained: elastic (Wel) vs plastic (Wpl)📘 SHS vs RHS vs CHS: choosing a hollow steel section
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Square Hollow Sections - Hot-finished (BS EN 10210)
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