RHS 200×100×5
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 | 200 mm | 7.874 in |
| Width | 100 mm | 3.937 in |
| Thickness, t | 5 mm | 0.19685 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 15,000,000 mm⁴ | 36.0376 in⁴ |
| Elastic modulus, Sₓ | 149,000 mm³ | 9.0925 in³ |
| Plastic modulus, Zₓ | 185,000 mm³ | 11.2894 in³ |
| Radius of gyration, rₓ | 72.1 mm | 2.8386 in |
| Distance to top fibre | 100 mm | 3.937 in |
| Distance to bottom fibre | 100 mm | 3.937 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 5,050,000 mm⁴ | 12.1327 in⁴ |
| Elastic modulus, S_y | 101,000 mm³ | 6.1634 in³ |
| Plastic modulus, Z_y | 114,000 mm³ | 6.9567 in³ |
| Radius of gyration, r_y | 41.9 mm | 1.6496 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 12,000,000 mm⁴ | 28.8301 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 22.6 kg/m | 15.1865 lb/ft |