RHS 120×80/6.3 is a hot-finished rectangular hollow section per EN 10210: height 120 mm, width 80 mm, wall thickness 6.3 mm, weight 18.2 kg/m, cross-section area 23.2 cm², moment of inertia Iy = 439.8 cm⁴, elastic section modulus Wel,y = 73.3 cm³.
Geometry
Height h120.00 mm
Width b80.00 mm
Wall thickness t6.30 mm
Outer corner radius ro9.45 mm
Inner corner radius ri6.30 mm
Cross-section area A23.190 cm²
Weight G steel 7850 kg/m³18.20kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)439.800 cm⁴230.500 cm⁴
WelⓘElastic section modulus73.300 cm³57.620 cm³
WplⓘPlastic section modulus90.980 cm³68.220 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion486.600 cm⁴