RHS 50×30/4 is a hot-finished rectangular hollow section per EN 10210: height 50 mm, width 30 mm, wall thickness 4 mm, weight 4.4 kg/m, cross-section area 5.6 cm², moment of inertia Iy = 16.5 cm⁴, elastic section modulus Wel,y = 6.6 cm³.
Geometry
Height h50.00 mm
Width b30.00 mm
Wall thickness t4.00 mm
Outer corner radius ro6.00 mm
Inner corner radius ri4.00 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)16.490 cm⁴7.084 cm⁴
WelⓘElastic section modulus6.596 cm³4.722 cm³
WplⓘPlastic section modulus8.593 cm³5.885 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion16.590 cm⁴