RHS 300×100×8.8

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

100 mm300 mm

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

Dimensions

PropertyMetricImperial
Height300 mm11.811 in
Width100 mm3.937 in
Thickness, t8.8 mm0.346457 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ68,400,000 mm⁴164.3317 in⁴
Elastic modulus, Sₓ456,000 mm³27.8268 in³
Plastic modulus, Zₓ594,000 mm³36.2481 in³
Radius of gyration, rₓ101 mm3.9764 in
Distance to top fibre150 mm5.9055 in
Distance to bottom fibre150 mm5.9055 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y11,600,000 mm⁴27.8691 in⁴
Elastic modulus, S_y232,000 mm³14.1575 in³
Plastic modulus, Z_y266,000 mm³16.2323 in³
Radius of gyration, r_y41.8 mm1.6457 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J33,200,000 mm⁴79.7633 in⁴

Mass

PropertyMetricImperial
Mass per metre52.2 kg/m35.0768 lb/ft
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