CHS 76.1×4

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

76.1 mm76.1 mm

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

Dimensions

PropertyMetricImperial
Thickness, t4 mm0.15748 in
Outside diameter76.1 mm2.9961 in
Inside diameter68.1 mm2.6811 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ591,000 mm⁴1.4199 in⁴
Elastic modulus, Sₓ15,500 mm³0.945868 in³
Plastic modulus, Zₓ20,800 mm³1.2693 in³
Radius of gyration, rₓ25.5 mm1.0039 in
Distance to top fibre38.05 mm1.498 in
Distance to bottom fibre38.05 mm1.498 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y591,000 mm⁴1.4199 in⁴
Elastic modulus, S_y15,500 mm³0.945868 in³
Plastic modulus, Z_y20,800 mm³1.2693 in³
Radius of gyration, r_y25.5 mm1.0039 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J1,180,000 mm⁴2.835 in⁴

Mass

PropertyMetricImperial
Mass per metre7.11 kg/m4.7777 lb/ft
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