CHS 193.7×8

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, t8 mm0.314961 in
Outside diameter193.7 mm7.626 in
Inside diameter177.7 mm6.9961 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ20,200,000 mm⁴48.5307 in⁴
Elastic modulus, Sₓ208,000 mm³12.6929 in³
Plastic modulus, Zₓ276,000 mm³16.8426 in³
Radius of gyration, rₓ65.7 mm2.5866 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_y20,200,000 mm⁴48.5307 in⁴
Elastic modulus, S_y208,000 mm³12.6929 in³
Plastic modulus, Z_y276,000 mm³16.8426 in³
Radius of gyration, r_y65.7 mm2.5866 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J40,300,000 mm⁴96.8211 in⁴

Mass

PropertyMetricImperial
Mass per metre36.6 kg/m24.5941 lb/ft
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