RHS 180×100×8.8

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

100 mm180 mm

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

Dimensions

PropertyMetricImperial
Height180 mm7.0866 in
Width100 mm3.937 in
Thickness, t8.8 mm0.346457 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ18,500,000 mm⁴44.4464 in⁴
Elastic modulus, Sₓ205,000 mm³12.5099 in³
Plastic modulus, Zₓ259,000 mm³15.8052 in³
Radius of gyration, rₓ63.8 mm2.5118 in
Distance to top fibre90 mm3.5433 in
Distance to bottom fibre90 mm3.5433 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y7,200,000 mm⁴17.2981 in⁴
Elastic modulus, S_y144,000 mm³8.7874 in³
Plastic modulus, Z_y170,000 mm³10.374 in³
Radius of gyration, r_y39.8 mm1.5669 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J16,800,000 mm⁴40.3622 in⁴

Mass

PropertyMetricImperial
Mass per metre35.6 kg/m23.9221 lb/ft
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