RHS 80×40×3 - Section Properties

The RHS 80×40×3 is a rectangular hollow section with a mass of 5.29 kg/m, an overall depth of 80 mm and width of 40 mm and a wall thickness of 3 mm. It has a cross-sectional area of 6.74 cm², a second moment of area Iᵧ of 54.2 cm⁴, a plastic modulus Wₚₗ,ᵧ of 17.1 cm³, to BS EN 10210-2:2006 (SCI P363 Blue Book).

Mass

5.29 kg/m

Depth

80 mm

Width

40 mm

Wall thickness

3 mm

Area

6.74 cm²

PropertiesCapacity

mass (kg/m)5.29

t (mm)3

I_y (cm⁴)54.2

I_z (cm⁴)18

i_y (cm)2.84

i_z (cm)1.63

W_el,y (cm³)13.6

W_el,z (cm³)9

W_pl,y (cm³)17.1

W_pl,z (cm³)10.4

A (cm²)6.74

SA/m (m²/m)0.232

SA/t (m²/t)43.8