RHS 120×80/8 is a hot-finished rectangular hollow section per EN 10210: height 120 mm, width 80 mm, wall thickness 8 mm, weight 22.6 kg/m, cross-section area 28.8 cm², moment of inertia Iy = 525.3 cm⁴, elastic section modulus Wel,y = 87.5 cm³.
Geometry
Height h120.00 mm
Width b80.00 mm
Wall thickness t8.00 mm
Outer corner radius ro12.00 mm
Inner corner radius ri8.00 mm
Cross-section area A28.750 cm²
Weight G steel 7850 kg/m³22.60kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)525.300 cm⁴272.600 cm⁴
WelⓘElastic section modulus87.540 cm³68.140 cm³
WplⓘPlastic section modulus110.600 cm³82.550 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion586.600 cm⁴