SHS 300/12.5 is a cold-formed square hollow section per EN 10219: side 300 mm, wall thickness 12.5 mm, weight 107.6 kg/m, cross-section area 137 cm², moment of inertia Iy = 18350 cm⁴, elastic section modulus Wel,y = 1223 cm³.
Geometry
Side dimension300.00 mm
Wall thickness t12.50 mm
Outer corner radius ro37.50 mm
Inner corner radius ri25.00 mm
Cross-section area A137.040 cm²
Weight G steel 7850 kg/m³107.60kg/m
Section properties
IⓘSecond moment of area18 350.000 cm⁴
WelⓘElastic section modulus1 223.000 cm³
WplⓘPlastic section modulus1 451.000 cm³
iⓘRadius of gyration115.70 mm
ItⓘSt. Venant torsion constant: resistance to uniform torsion30 600.000 cm⁴