RHS 260×180×11
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 | 260 mm | 10.2362 in |
| Width | 180 mm | 7.0866 in |
| Thickness, t | 11 mm | 0.433071 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 83,800,000 mm⁴ | 201.3303 in⁴ |
| Elastic modulus, Sₓ | 645,000 mm³ | 39.3603 in³ |
| Plastic modulus, Zₓ | 787,000 mm³ | 48.0257 in³ |
| Radius of gyration, rₓ | 96.2 mm | 3.7874 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 | 47,000,000 mm⁴ | 112.918 in⁴ |
| Elastic modulus, S_y | 522,000 mm³ | 31.8544 in³ |
| Plastic modulus, Z_y | 608,000 mm³ | 37.1024 in³ |
| Radius of gyration, r_y | 72 mm | 2.8346 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 95,500,000 mm⁴ | 229.4397 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 71.2 kg/m | 47.8442 lb/ft |