RHS 250×100×16
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 | 100 mm | 3.937 in |
| Thickness, t | 16 mm | 0.629921 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 66,900,000 mm⁴ | 160.7279 in⁴ |
| Elastic modulus, Sₓ | 535,000 mm³ | 32.6477 in³ |
| Plastic modulus, Zₓ | 719,000 mm³ | 43.8761 in³ |
| Radius of gyration, rₓ | 82.2 mm | 3.2362 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 | 14,300,000 mm⁴ | 34.3559 in⁴ |
| Elastic modulus, S_y | 287,000 mm³ | 17.5138 in³ |
| Plastic modulus, Z_y | 358,000 mm³ | 21.8465 in³ |
| Radius of gyration, r_y | 38 mm | 1.4961 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 40,500,000 mm⁴ | 97.3016 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 77.7 kg/m | 52.212 lb/ft |