SHS 40/3 is a cold-formed square hollow section per EN 10219: side 40 mm, wall thickness 3 mm, weight 3.3 kg/m, cross-section area 4.2 cm², moment of inertia Iy = 9.3 cm⁴, elastic section modulus Wel,y = 4.7 cm³.
Geometry
Side dimension40.00 mm
Wall thickness t3.00 mm
Outer corner radius ro6.00 mm
Inner corner radius ri3.00 mm
Cross-section area A4.210 cm²
Weight G steel 7850 kg/m³3.30kg/m
Section properties
IⓘSecond moment of area9.324 cm⁴
WelⓘElastic section modulus4.662 cm³
WplⓘPlastic section modulus5.724 cm³
iⓘRadius of gyration14.90 mm
ItⓘSt. Venant torsion constant: resistance to uniform torsion15.750 cm⁴