RHS 90×50×5

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

50 mm90 mm

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

Dimensions

PropertyMetricImperial
Height90 mm3.5433 in
Width50 mm1.9685 in
Thickness, t5 mm0.19685 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ1,270,000 mm⁴3.0512 in⁴
Elastic modulus, Sₓ28,300 mm³1.727 in³
Plastic modulus, Zₓ36,000 mm³2.1969 in³
Radius of gyration, rₓ31.6 mm1.2441 in
Distance to top fibre45 mm1.7717 in
Distance to bottom fibre45 mm1.7717 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y492,000 mm⁴1.182 in⁴
Elastic modulus, S_y19,700 mm³1.2022 in³
Plastic modulus, Z_y23,500 mm³1.4341 in³
Radius of gyration, r_y19.7 mm0.775591 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J1,160,000 mm⁴2.7869 in⁴

Mass

PropertyMetricImperial
Mass per metre9.99 kg/m6.713 lb/ft
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