CHS 139.7×7.1

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

139.7 mm139.7 mm

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

Dimensions

PropertyMetricImperial
Thickness, t7.1 mm0.279528 in
Outside diameter139.7 mm5.5 in
Inside diameter125.5 mm4.9409 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ6,520,000 mm⁴15.6644 in⁴
Elastic modulus, Sₓ93,300 mm³5.6935 in³
Plastic modulus, Zₓ125,000 mm³7.628 in³
Radius of gyration, rₓ46.9 mm1.8465 in
Distance to top fibre69.85 mm2.75 in
Distance to bottom fibre69.85 mm2.75 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y6,520,000 mm⁴15.6644 in⁴
Elastic modulus, S_y93,300 mm³5.6935 in³
Plastic modulus, Z_y125,000 mm³7.628 in³
Radius of gyration, r_y46.9 mm1.8465 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J13,000,000 mm⁴31.2326 in⁴

Mass

PropertyMetricImperial
Mass per metre23.2 kg/m15.5897 lb/ft
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