RHS 180×100×5.6

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, t5.6 mm0.220472 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ12,700,000 mm⁴30.5119 in⁴
Elastic modulus, Sₓ141,000 mm³8.6043 in³
Plastic modulus, Zₓ174,000 mm³10.6181 in³
Radius of gyration, rₓ65.4 mm2.5748 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_y5,060,000 mm⁴12.1567 in⁴
Elastic modulus, S_y101,000 mm³6.1634 in³
Plastic modulus, Z_y115,000 mm³7.0177 in³
Radius of gyration, r_y41.2 mm1.622 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J11,500,000 mm⁴27.6289 in⁴

Mass

PropertyMetricImperial
Mass per metre23.4 kg/m15.7241 lb/ft
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