RHS 120×80/6.3 is a cold-formed rectangular hollow section per EN 10219: height 120 mm, width 80 mm, wall thickness 6.3 mm, weight 17.5 kg/m, cross-section area 22.3 cm², moment of inertia Iy = 408.5 cm⁴, elastic section modulus Wel,y = 68.1 cm³.
Geometry
Height h120.00 mm
Width b80.00 mm
Wall thickness t6.30 mm
Outer corner radius ro15.75 mm
Inner corner radius ri9.45 mm
Cross-section area A22.250 cm²
Weight G steel 7850 kg/m³17.50kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)408.500 cm⁴217.100 cm⁴
WelⓘElastic section modulus68.080 cm³54.280 cm³
WplⓘPlastic section modulus85.570 cm³64.680 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion487.800 cm⁴