RHS 120×80/8 is a cold-formed rectangular hollow section per EN 10219: height 120 mm, width 80 mm, wall thickness 8 mm, weight 21.4 kg/m, cross-section area 27.2 cm², moment of inertia Iy = 475.8 cm⁴, elastic section modulus Wel,y = 79.3 cm³.
Geometry
Height h120.00 mm
Width b80.00 mm
Wall thickness t8.00 mm
Outer corner radius ro20.00 mm
Inner corner radius ri12.00 mm
Cross-section area A27.240 cm²
Weight G steel 7850 kg/m³21.40kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)475.800 cm⁴251.700 cm⁴
WelⓘElastic section modulus79.310 cm³62.920 cm³
WplⓘPlastic section modulus102.000 cm³76.930 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion584.000 cm⁴