RHS 120×80/5 is a cold-formed rectangular hollow section per EN 10219: height 120 mm, width 80 mm, wall thickness 5 mm, weight 14.4 kg/m, cross-section area 18.4 cm², moment of inertia Iy = 353.1 cm⁴, elastic section modulus Wel,y = 58.9 cm³.
Geometry
Height h120.00 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 A18.360 cm²
Weight G steel 7850 kg/m³14.40kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)353.100 cm⁴187.800 cm⁴
WelⓘElastic section modulus58.860 cm³46.940 cm³
WplⓘPlastic section modulus72.450 cm³54.740 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion402.300 cm⁴