RHS 50×30×3

Rectangular hollow sections from British-Sections-1 and Eurocode 3 UK shared angle/hollow tables.

30 mm50 mm

Outline drawn from the published dimensions. Fillets and root radii are not shown.

Dimensions

PropertyMetricImperial
Height50 mm1.9685 in
Width30 mm1.1811 in
Thickness, t3 mm0.11811 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ136,000 mm⁴0.326741 in⁴
Elastic modulus, Sₓ5,430 mm³0.331359 in³
Plastic modulus, Zₓ6,880 mm³0.419843 in³
Radius of gyration, rₓ17.7 mm0.69685 in
Distance to top fibre25 mm0.984252 in
Distance to bottom fibre25 mm0.984252 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y59,400 mm⁴0.142709 in⁴
Elastic modulus, S_y3,960 mm³0.241654 in³
Plastic modulus, Z_y4,760 mm³0.290473 in³
Radius of gyration, r_y11.7 mm0.46063 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J135,000 mm⁴0.324339 in⁴

Mass

PropertyMetricImperial
Mass per metre3.41 kg/m2.2914 lb/ft
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