RHS 120×80/3 is a cold-formed rectangular hollow section per EN 10219: height 120 mm, width 80 mm, wall thickness 3 mm, weight 9 kg/m, cross-section area 11.4 cm², moment of inertia Iy = 230.2 cm⁴, elastic section modulus Wel,y = 38.4 cm³.
Geometry
Height h120.00 mm
Width b80.00 mm
Wall thickness t3.00 mm
Outer corner radius ro6.00 mm
Inner corner radius ri3.00 mm
Cross-section area A11.410 cm²
Weight G steel 7850 kg/m³8.96kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)230.200 cm⁴123.400 cm⁴
WelⓘElastic section modulus38.370 cm³30.860 cm³
WplⓘPlastic section modulus46.200 cm³35.020 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion255.500 cm⁴