RHS 140×80/5 is a cold-formed rectangular hollow section per EN 10219: height 140 mm, width 80 mm, wall thickness 5 mm, weight 16 kg/m, cross-section area 20.4 cm², moment of inertia Iy = 517.1 cm⁴, elastic section modulus Wel,y = 73.9 cm³.
Geometry
Height h140.00 mm
Width b80.00 mm
Wall thickness t5.00 mm
Outer corner radius ro10.00 mm
Inner corner radius ri5.00 mm
Cross-section area A20.360 cm²
Weight G steel 7850 kg/m³16.00kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)517.100 cm⁴215.900 cm⁴
WelⓘElastic section modulus73.870 cm³53.990 cm³
WplⓘPlastic section modulus91.800 cm³62.240 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion500.500 cm⁴