RHS 40×20/2 is a cold-formed rectangular hollow section per EN 10219: height 40 mm, width 20 mm, wall thickness 2 mm, weight 1.7 kg/m, cross-section area 2.1 cm², moment of inertia Iy = 4.1 cm⁴, elastic section modulus Wel,y = 2 cm³.
Geometry
Height h40.00 mm
Width b20.00 mm
Wall thickness t2.00 mm
Outer corner radius ro4.00 mm
Inner corner radius ri2.00 mm
Cross-section area A2.140 cm²
Weight G steel 7850 kg/m³1.68kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)4.050 cm⁴1.343 cm⁴
WelⓘElastic section modulus2.025 cm³1.343 cm³
WplⓘPlastic section modulus2.614 cm³1.597 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion3.453 cm⁴