RHS 250×150×5.6
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 | 250 mm | 9.8425 in |
| Width | 150 mm | 5.9055 in |
| Thickness, t | 5.6 mm | 0.220472 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 37,300,000 mm⁴ | 89.6136 in⁴ |
| Elastic modulus, Sₓ | 298,000 mm³ | 18.1851 in³ |
| Plastic modulus, Zₓ | 361,000 mm³ | 22.0296 in³ |
| Radius of gyration, rₓ | 92.9 mm | 3.6575 in |
| Distance to top fibre | 125 mm | 4.9213 in |
| Distance to bottom fibre | 125 mm | 4.9213 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 16,900,000 mm⁴ | 40.6024 in⁴ |
| Elastic modulus, S_y | 225,000 mm³ | 13.7303 in³ |
| Plastic modulus, Z_y | 254,000 mm³ | 15.5 in³ |
| Radius of gyration, r_y | 62.5 mm | 2.4606 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 36,400,000 mm⁴ | 87.4514 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 33.9 kg/m | 22.7797 lb/ft |