RHS 80×40/2 is a cold-formed rectangular hollow section per EN 10219: height 80 mm, width 40 mm, wall thickness 2 mm, weight 3.6 kg/m, cross-section area 4.5 cm², moment of inertia Iy = 37.4 cm⁴, elastic section modulus Wel,y = 9.3 cm³.
Geometry
Height h80.00 mm
Width b40.00 mm
Wall thickness t2.00 mm
Outer corner radius ro4.00 mm
Inner corner radius ri2.00 mm
Cross-section area A4.540 cm²
Weight G steel 7850 kg/m³3.56kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)37.360 cm⁴12.720 cm⁴
WelⓘElastic section modulus9.339 cm³6.361 cm³
WplⓘPlastic section modulus11.610 cm³7.174 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion30.880 cm⁴