RHS 180×60×5.6
Rectangular hollow sections from Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Height | 180 mm | 7.0866 in |
| Width | 60 mm | 2.3622 in |
| Thickness, t | 5.6 mm | 0.220472 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 9,320,000 mm⁴ | 22.3914 in⁴ |
| Elastic modulus, Sₓ | 104,000 mm³ | 6.3465 in³ |
| Plastic modulus, Zₓ | 135,000 mm³ | 8.2382 in³ |
| Radius of gyration, rₓ | 60.7 mm | 2.3898 in |
| Distance to top fibre | 90 mm | 3.5433 in |
| Distance to bottom fibre | 90 mm | 3.5433 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 1,570,000 mm⁴ | 3.7719 in⁴ |
| Elastic modulus, S_y | 52,400 mm³ | 3.1976 in³ |
| Plastic modulus, Z_y | 60,400 mm³ | 3.6858 in³ |
| Radius of gyration, r_y | 24.9 mm | 0.980315 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 4,510,000 mm⁴ | 10.8353 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 19.9 kg/m | 13.3722 lb/ft |