SHS 100/12.5 is a cold-formed square hollow section per EN 10219: side 100 mm, wall thickness 12.5 mm, weight 29.1 kg/m, cross-section area 37 cm², moment of inertia Iy = 410.4 cm⁴, elastic section modulus Wel,y = 82.1 cm³.
Geometry
Side dimension100.00 mm
Wall thickness t12.50 mm
Outer corner radius ro37.50 mm
Inner corner radius ri25.00 mm
Cross-section area A37.040 cm²
Weight G steel 7850 kg/m³29.10kg/m
Section properties
IⓘSecond moment of area410.400 cm⁴
WelⓘElastic section modulus82.080 cm³
WplⓘPlastic section modulus111.400 cm³
iⓘRadius of gyration33.30 mm
ItⓘSt. Venant torsion constant: resistance to uniform torsion803.600 cm⁴