RHS 260×140×5
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 | 260 mm | 10.2362 in |
| Width | 140 mm | 5.5118 in |
| Thickness, t | 5 mm | 0.19685 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 35,300,000 mm⁴ | 84.8086 in⁴ |
| Elastic modulus, Sₓ | 272,000 mm³ | 16.5985 in³ |
| Plastic modulus, Zₓ | 331,000 mm³ | 20.1989 in³ |
| Radius of gyration, rₓ | 95.5 mm | 3.7598 in |
| Distance to top fibre | 130 mm | 5.1181 in |
| Distance to bottom fibre | 130 mm | 5.1181 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 13,500,000 mm⁴ | 32.4339 in⁴ |
| Elastic modulus, S_y | 193,000 mm³ | 11.7776 in³ |
| Plastic modulus, Z_y | 216,000 mm³ | 13.1811 in³ |
| Radius of gyration, r_y | 59.1 mm | 2.3268 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 30,800,000 mm⁴ | 73.9973 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 30.4 kg/m | 20.4279 lb/ft |