RHS 140×80/4 is a hot-finished rectangular hollow section per EN 10210: height 140 mm, width 80 mm, wall thickness 4 mm, weight 13.2 kg/m, cross-section area 16.8 cm², moment of inertia Iy = 440.6 cm⁴, elastic section modulus Wel,y = 62.9 cm³.
Geometry
Height h140.00 mm
Width b80.00 mm
Wall thickness t4.00 mm
Outer corner radius ro6.00 mm
Inner corner radius ri4.00 mm
Cross-section area A16.790 cm²
Weight G steel 7850 kg/m³13.20kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)440.600 cm⁴183.800 cm⁴
WelⓘElastic section modulus62.940 cm³45.960 cm³
WplⓘPlastic section modulus77.140 cm³52.220 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion410.700 cm⁴