100×50×3.3 RHS

Rectangular hollow sections from Australian-Sections.xlsx (Sheets 1-19).

50 mm100 mm

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

Dimensions

PropertyMetricImperial
Height100 mm3.937 in
Width50 mm1.9685 in
Thickness, t3.3 mm0.129921 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ1,130,000 mm⁴2.7148 in⁴
Elastic modulus, Sₓ22,600 mm³1.3791 in³
Plastic modulus, Zₓ28,500 mm³1.7392 in³
Radius of gyration, rₓ35.258 mm1.3881 in
Distance to top fibre50 mm1.9685 in
Distance to bottom fibre50 mm1.9685 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y383,000 mm⁴0.920161 in⁴
Elastic modulus, S_y15,320 mm³0.934884 in³
Plastic modulus, Z_y17,600 mm³1.074 in³
Radius of gyration, r_y20.5266 mm0.808135 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J964,000 mm⁴2.316 in⁴

Mass

PropertyMetricImperial
Mass per metre7.1357 kg/m4.7949 lb/ft
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