RHS 80×40×7.1 - Section Properties

The RHS 80×40×7.1 is a rectangular hollow section with a mass of 11.4 kg/m, an overall depth of 80 mm and width of 40 mm and a wall thickness of 7.1 mm. It has a cross-sectional area of 14.5 cm², a second moment of area Iᵧ of 99.8 cm⁴, a plastic modulus Wₚₗ,ᵧ of 33.8 cm³, to BS EN 10210-2:2006 (SCI P363 Blue Book).

Mass

11.4 kg/m

Depth

80 mm

Width

40 mm

Wall thickness

7.1 mm

Area

14.5 cm²

PropertiesCapacity

mass (kg/m)11.4

t (mm)7.1

I_y (cm⁴)99.8

I_z (cm⁴)30.7

i_y (cm)2.63

i_z (cm)1.46

W_el,y (cm³)25

W_el,z (cm³)15.4

W_pl,y (cm³)33.8

W_pl,z (cm³)19.8

A (cm²)14.5

SA/m (m²/m)0.222

SA/t (m²/t)19.5