SHS 120/12.5 is a cold-formed square hollow section per EN 10219: side 120 mm, wall thickness 12.5 mm, weight 36.9 kg/m, cross-section area 47 cm², moment of inertia Iy = 817 cm⁴, elastic section modulus Wel,y = 136.2 cm³.
Geometry
Side dimension120.00 mm
Wall thickness t12.50 mm
Outer corner radius ro37.50 mm
Inner corner radius ri25.00 mm
Cross-section area A47.040 cm²
Weight G steel 7850 kg/m³36.90kg/m
Section properties
IⓘSecond moment of area817.000 cm⁴
WelⓘElastic section modulus136.200 cm³
WplⓘPlastic section modulus177.800 cm³
iⓘRadius of gyration41.70 mm
ItⓘSt. Venant torsion constant: resistance to uniform torsion1 551.000 cm⁴