SHS 400×400×20 - Section Properties

The SHS 400×400×20 is a square hollow section with a mass of 235 kg/m, an overall depth of 400 mm and width of 400 mm and a wall thickness of 20 mm. It has a cross-sectional area of 300 cm², a second moment of area Iᵧ of 71500 cm⁴, a plastic modulus Wₚₗ,ᵧ of 4250 cm³, to BS EN 10210-2:2006 (SCI P363 Blue Book).

Mass

235 kg/m

Depth

400 mm

Width

400 mm

Wall thickness

20 mm

Area

300 cm²

PropertiesCapacity

mass (kg/m)235

t (mm)20

I_y (cm⁴)71500

I_z (cm⁴)71500

i_y (cm)15.4

i_z (cm)15.4

W_el,y (cm³)3580

W_el,z (cm³)3580

W_pl,y (cm³)4250

W_pl,z (cm³)4250

A (cm²)300

SA/m (m²/m)1.55

SA/t (m²/t)6.59