CHS 139.7×6.3

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, t6.3 mm0.248031 in
Outside diameter139.7 mm5.5 in
Inside diameter127.1 mm5.0039 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ5,890,000 mm⁴14.1508 in⁴
Elastic modulus, Sₓ84,300 mm³5.1443 in³
Plastic modulus, Zₓ112,000 mm³6.8347 in³
Radius of gyration, rₓ47.2 mm1.8583 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_y5,890,000 mm⁴14.1508 in⁴
Elastic modulus, S_y84,300 mm³5.1443 in³
Plastic modulus, Z_y112,000 mm³6.8347 in³
Radius of gyration, r_y47.2 mm1.8583 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J11,800,000 mm⁴28.3496 in⁴

Mass

PropertyMetricImperial
Mass per metre20.7 kg/m13.9098 lb/ft
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