SHS 350/12 is a cold-formed square hollow section per EN 10219: side 350 mm, wall thickness 12 mm, weight 122.5 kg/m, cross-section area 156.1 cm², moment of inertia Iy = 29050 cm⁴, elastic section modulus Wel,y = 1660 cm³.
Geometry
Side dimension350.00 mm
Wall thickness t12.00 mm
Outer corner radius ro36.00 mm
Inner corner radius ri24.00 mm
Cross-section area A156.060 cm²
Weight G steel 7850 kg/m³122.50kg/m
Section properties
IⓘSecond moment of area29 050.000 cm⁴
WelⓘElastic section modulus1 660.000 cm³
WplⓘPlastic section modulus1 949.000 cm³
iⓘRadius of gyration136.40 mm
ItⓘSt. Venant torsion constant: resistance to uniform torsion47 600.000 cm⁴