RHS 100×60×8

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

60 mm100 mm

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

Dimensions

PropertyMetricImperial
Height100 mm3.937 in
Width60 mm2.3622 in
Thickness, t8 mm0.314961 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ2,640,000 mm⁴6.3426 in⁴
Elastic modulus, Sₓ52,800 mm³3.2221 in³
Plastic modulus, Zₓ68,700 mm³4.1923 in³
Radius of gyration, rₓ34.4 mm1.3543 in
Distance to top fibre50 mm1.9685 in
Distance to bottom fibre50 mm1.9685 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y1,130,000 mm⁴2.7148 in⁴
Elastic modulus, S_y37,800 mm³2.3067 in³
Plastic modulus, Z_y47,100 mm³2.8742 in³
Radius of gyration, r_y22.5 mm0.885827 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J2,650,000 mm⁴6.3667 in⁴

Mass

PropertyMetricImperial
Mass per metre17.5 kg/m11.7595 lb/ft
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