RHS 400×150×7.1

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

150 mm400 mm

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

Dimensions

PropertyMetricImperial
Height400 mm15.748 in
Width150 mm5.9055 in
Thickness, t7.1 mm0.279528 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ148,000,000 mm⁴355.5714 in⁴
Elastic modulus, Sₓ740,000 mm³45.1576 in³
Plastic modulus, Zₓ936,000 mm³57.1182 in³
Radius of gyration, rₓ140 mm5.5118 in
Distance to top fibre200 mm7.874 in
Distance to bottom fibre200 mm7.874 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y31,700,000 mm⁴76.1596 in⁴
Elastic modulus, S_y422,000 mm³25.752 in³
Plastic modulus, Z_y467,000 mm³28.4981 in³
Radius of gyration, r_y64.7 mm2.5472 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J84,700,000 mm⁴203.4926 in⁴

Mass

PropertyMetricImperial
Mass per metre59.3 kg/m39.8478 lb/ft
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