RHS 50×30/4 is a cold-formed rectangular hollow section per EN 10219: height 50 mm, width 30 mm, wall thickness 4 mm, weight 4.2 kg/m, cross-section area 5.4 cm², moment of inertia Iy = 15.3 cm⁴, elastic section modulus Wel,y = 6.1 cm³.
Geometry
Height h50.00 mm
Width b30.00 mm
Wall thickness t4.00 mm
Outer corner radius ro8.00 mm
Inner corner radius ri4.00 mm
Cross-section area A5.350 cm²
Weight G steel 7850 kg/m³4.20kg/m
Section properties
Axis yAxis z
IⓘSecond moment of area about y-axis (strong axis)15.250 cm⁴6.693 cm⁴
WelⓘElastic section modulus6.100 cm³4.462 cm³
WplⓘPlastic section modulus8.049 cm³5.581 cm³
ItⓘSt. Venant torsion constant: resistance to uniform torsion16.530 cm⁴