RHS 70×50/3 is a cold-formed rectangular hollow section per EN 10219: height 70 mm, width 50 mm, wall thickness 3 mm, weight 5.2 kg/m, cross-section area 6.6 cm², moment of inertia Iy = 44.1 cm⁴, elastic section modulus Wel,y = 12.6 cm³.
Geometry
Height h70.00 mm
Width b50.00 mm
Wall thickness t3.00 mm
Outer corner radius ro6.00 mm
Inner corner radius ri3.00 mm
Cross-section area A6.610 cm²
Weight G steel 7850 kg/m³5.19kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)44.050 cm⁴26.100 cm⁴
WelⓘElastic section modulus12.590 cm³10.440 cm³
WplⓘPlastic section modulus15.400 cm³12.210 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion53.620 cm⁴