RHS 500×200×8.8
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 | 500 mm | 19.685 in |
| Width | 200 mm | 7.874 in |
| Thickness, t | 8.8 mm | 0.346457 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 372,000,000 mm⁴ | 893.7336 in⁴ |
| Elastic modulus, Sₓ | 1,490,000 mm³ | 90.9254 in³ |
| Plastic modulus, Zₓ | 1,870,000 mm³ | 114.1144 in³ |
| Radius of gyration, rₓ | 177 mm | 6.9685 in |
| Distance to top fibre | 250 mm | 9.8425 in |
| Distance to bottom fibre | 250 mm | 9.8425 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 88,500,000 mm⁴ | 212.6221 in⁴ |
| Elastic modulus, S_y | 885,000 mm³ | 54.006 in³ |
| Plastic modulus, Z_y | 979,000 mm³ | 59.7422 in³ |
| Radius of gyration, r_y | 86.1 mm | 3.3898 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 230,000,000 mm⁴ | 552.5772 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 93.6 kg/m | 62.8963 lb/ft |