SHS 70/2.5 is a cold-formed square hollow section per EN 10219: side 70 mm, wall thickness 2.5 mm, weight 5.2 kg/m, cross-section area 6.6 cm², moment of inertia Iy = 49.4 cm⁴, elastic section modulus Wel,y = 14.1 cm³.
Geometry
Side dimension70.00 mm
Wall thickness t2.50 mm
Outer corner radius ro5.00 mm
Inner corner radius ri2.50 mm
Cross-section area A6.590 cm²
Weight G steel 7850 kg/m³5.17kg/m
Section properties
IⓘSecond moment of area49.410 cm⁴
WelⓘElastic section modulus14.120 cm³
WplⓘPlastic section modulus16.540 cm³
iⓘRadius of gyration27.40 mm
ItⓘSt. Venant torsion constant: resistance to uniform torsion78.490 cm⁴