RHS 160×80×11
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 | 160 mm | 6.2992 in |
| Width | 80 mm | 3.1496 in |
| Thickness, t | 11 mm | 0.433071 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 13,700,000 mm⁴ | 32.9144 in⁴ |
| Elastic modulus, Sₓ | 171,000 mm³ | 10.4351 in³ |
| Plastic modulus, Zₓ | 225,000 mm³ | 13.7303 in³ |
| Radius of gyration, rₓ | 54.2 mm | 2.1339 in |
| Distance to top fibre | 80 mm | 3.1496 in |
| Distance to bottom fibre | 80 mm | 3.1496 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 4,350,000 mm⁴ | 10.4509 in⁴ |
| Elastic modulus, S_y | 109,000 mm³ | 6.6516 in³ |
| Plastic modulus, Z_y | 134,000 mm³ | 8.1772 in³ |
| Radius of gyration, r_y | 30.5 mm | 1.2008 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 11,100,000 mm⁴ | 26.6679 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 36.6 kg/m | 24.5941 lb/ft |