102×4.0 CHS

Circular hollow sections from Australian-Sections.xlsx (Sheets 1-19).

101.6 mm101.6 mm

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

Dimensions

PropertyMetricImperial
Thickness, t4 mm0.15748 in
Outside diameter101.6 mm4 in
Inside diameter93.6 mm3.685 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ1,460,000 mm⁴3.5077 in⁴
Elastic modulus, Sₓ28,740.157 mm³1.7538 in³
Plastic modulus, Zₓ38,100 mm³2.325 in³
Radius of gyration, rₓ34.4527 mm1.3564 in
Distance to top fibre50.8 mm2 in
Distance to bottom fibre50.8 mm2 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y1,460,000 mm⁴3.5077 in⁴
Elastic modulus, S_y28,740.157 mm³1.7538 in³
Plastic modulus, Z_y38,100 mm³2.325 in³
Radius of gyration, r_y34.4527 mm1.3564 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J2,930,000 mm⁴7.0394 in⁴

Mass

PropertyMetricImperial
Mass per metre9.6555 kg/m6.4882 lb/ft
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