RHS 140×80/4 is a cold-formed rectangular hollow section per EN 10219: height 140 mm, width 80 mm, wall thickness 4 mm, weight 13 kg/m, cross-section area 16.6 cm², moment of inertia Iy = 429.6 cm⁴, elastic section modulus Wel,y = 61.4 cm³.
Geometry
Height h140.00 mm
Width b80.00 mm
Wall thickness t4.00 mm
Outer corner radius ro8.00 mm
Inner corner radius ri4.00 mm
Cross-section area A16.550 cm²
Weight G steel 7850 kg/m³13.00kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)429.600 cm⁴180.400 cm⁴
WelⓘElastic section modulus61.370 cm³45.100 cm³
WplⓘPlastic section modulus75.510 cm³51.310 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion411.600 cm⁴