RHS 200×100×7.1

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

100 mm200 mm

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

Dimensions

PropertyMetricImperial
Height200 mm7.874 in
Width100 mm3.937 in
Thickness, t7.1 mm0.279528 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ20,200,000 mm⁴48.5307 in⁴
Elastic modulus, Sₓ202,000 mm³12.3268 in³
Plastic modulus, Zₓ254,000 mm³15.5 in³
Radius of gyration, rₓ71.1 mm2.7992 in
Distance to top fibre100 mm3.937 in
Distance to bottom fibre100 mm3.937 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y6,740,000 mm⁴16.1929 in⁴
Elastic modulus, S_y135,000 mm³8.2382 in³
Plastic modulus, Z_y155,000 mm³9.4587 in³
Radius of gyration, r_y41 mm1.6142 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J16,300,000 mm⁴39.1609 in⁴

Mass

PropertyMetricImperial
Mass per metre31.4 kg/m21.0998 lb/ft
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