SHS 180/4 is a cold-formed square hollow section per EN 10219: side 180 mm, wall thickness 4 mm, weight 21.8 kg/m, cross-section area 27.8 cm², moment of inertia Iy = 1422 cm⁴, elastic section modulus Wel,y = 158 cm³.
Geometry
Side dimension180.00 mm
Wall thickness t4.00 mm
Outer corner radius ro8.00 mm
Inner corner radius ri4.00 mm
Cross-section area A27.750 cm²
Weight G steel 7850 kg/m³21.80kg/m
Section properties
IⓘSecond moment of area1 422.000 cm⁴
WelⓘElastic section modulus158.000 cm³
WplⓘPlastic section modulus182.200 cm³
iⓘRadius of gyration71.60 mm
ItⓘSt. Venant torsion constant: resistance to uniform torsion2 210.000 cm⁴