SHS 70/4 is a hot-finished square hollow section per EN 10210: side 70 mm, wall thickness 4 mm, weight 8.2 kg/m, cross-section area 10.4 cm², moment of inertia Iy = 74.7 cm⁴, elastic section modulus Wel,y = 21.3 cm³.
Geometry
Side dimension70.00 mm
Wall thickness t4.00 mm
Outer corner radius ro6.00 mm
Inner corner radius ri4.00 mm
Cross-section area A10.390 cm²
Weight G steel 7850 kg/m³8.15kg/m
Section properties
IⓘSecond moment of area74.690 cm⁴
WelⓘElastic section modulus21.340 cm³
WplⓘPlastic section modulus25.540 cm³
iⓘRadius of gyration26.80 mm
ItⓘSt. Venant torsion constant: resistance to uniform torsion118.200 cm⁴