RHS 70×50/2.5 is a cold-formed rectangular hollow section per EN 10219: height 70 mm, width 50 mm, wall thickness 2.5 mm, weight 4.4 kg/m, cross-section area 5.6 cm², moment of inertia Iy = 38 cm⁴, elastic section modulus Wel,y = 10.9 cm³.
Geometry
Height h70.00 mm
Width b50.00 mm
Wall thickness t2.50 mm
Outer corner radius ro5.00 mm
Inner corner radius ri2.50 mm
Cross-section area A5.590 cm²
Weight G steel 7850 kg/m³4.39kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)38.010 cm⁴22.590 cm⁴
WelⓘElastic section modulus10.860 cm³9.036 cm³
WplⓘPlastic section modulus13.160 cm³10.450 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion45.750 cm⁴