SHS 40/4 is a cold-formed square hollow section per EN 10219: side 40 mm, wall thickness 4 mm, weight 4.2 kg/m, cross-section area 5.4 cm², moment of inertia Iy = 11.1 cm⁴, elastic section modulus Wel,y = 5.5 cm³.
Geometry
Side dimension40.00 mm
Wall thickness t4.00 mm
Outer corner radius ro8.00 mm
Inner corner radius ri4.00 mm
Cross-section area A5.350 cm²
Weight G steel 7850 kg/m³4.20kg/m
Section properties
IⓘSecond moment of area11.070 cm⁴
WelⓘElastic section modulus5.537 cm³
WplⓘPlastic section modulus7.015 cm³
iⓘRadius of gyration14.40 mm
ItⓘSt. Venant torsion constant: resistance to uniform torsion19.440 cm⁴