RHS 70×50/4 is a cold-formed rectangular hollow section per EN 10219: height 70 mm, width 50 mm, wall thickness 4 mm, weight 6.7 kg/m, cross-section area 8.6 cm², moment of inertia Iy = 54.7 cm⁴, elastic section modulus Wel,y = 15.6 cm³.
Geometry
Height h70.00 mm
Width b50.00 mm
Wall thickness t4.00 mm
Outer corner radius ro8.00 mm
Inner corner radius ri4.00 mm
Cross-section area A8.550 cm²
Weight G steel 7850 kg/m³6.71kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)54.670 cm⁴32.220 cm⁴
WelⓘElastic section modulus15.620 cm³12.890 cm³
WplⓘPlastic section modulus19.480 cm³15.410 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion68.070 cm⁴