SHS 400/12 is a cold-formed square hollow section per EN 10219: side 400 mm, wall thickness 12 mm, weight 141.3 kg/m, cross-section area 180.1 cm², moment of inertia Iy = 44320 cm⁴, elastic section modulus Wel,y = 2216 cm³.
Geometry
Side dimension400.00 mm
Wall thickness t12.00 mm
Outer corner radius ro36.00 mm
Inner corner radius ri24.00 mm
Cross-section area A180.060 cm²
Weight G steel 7850 kg/m³141.30kg/m
Section properties
IⓘSecond moment of area44 320.000 cm⁴
WelⓘElastic section modulus2 216.000 cm³
WplⓘPlastic section modulus2 587.000 cm³
iⓘRadius of gyration156.90 mm
ItⓘSt. Venant torsion constant: resistance to uniform torsion71 840.000 cm⁴