SHS 70/4 is a cold-formed square hollow section per EN 10219: side 70 mm, wall thickness 4 mm, weight 8 kg/m, cross-section area 10.2 cm², moment of inertia Iy = 72.1 cm⁴, elastic section modulus Wel,y = 20.6 cm³.
Geometry
Side dimension70.00 mm
Wall thickness t4.00 mm
Outer corner radius ro8.00 mm
Inner corner radius ri4.00 mm
Cross-section area A10.150 cm²
Weight G steel 7850 kg/m³7.97kg/m
Section properties
IⓘSecond moment of area72.120 cm⁴
WelⓘElastic section modulus20.610 cm³
WplⓘPlastic section modulus24.760 cm³
iⓘRadius of gyration26.70 mm
ItⓘSt. Venant torsion constant: resistance to uniform torsion118.500 cm⁴