CHS 193.7×16

Circular hollow sections from Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1.

193.7 mm193.7 mm

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

Dimensions

PropertyMetricImperial
Thickness, t16 mm0.629921 in
Outside diameter193.7 mm7.626 in
Inside diameter161.7 mm6.3661 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ35,500,000 mm⁴85.2891 in⁴
Elastic modulus, Sₓ367,000 mm³22.3957 in³
Plastic modulus, Zₓ507,000 mm³30.939 in³
Radius of gyration, rₓ63.1 mm2.4843 in
Distance to top fibre96.85 mm3.813 in
Distance to bottom fibre96.85 mm3.813 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y35,500,000 mm⁴85.2891 in⁴
Elastic modulus, S_y367,000 mm³22.3957 in³
Plastic modulus, Z_y507,000 mm³30.939 in³
Radius of gyration, r_y63.1 mm2.4843 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J71,100,000 mm⁴170.8184 in⁴

Mass

PropertyMetricImperial
Mass per metre70.1 kg/m47.105 lb/ft
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