CHS 219.1×5
Circular 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 |
|---|---|---|
| Thickness, t | 5 mm | 0.19685 in |
| Outside diameter | 219.1 mm | 8.626 in |
| Inside diameter | 209.1 mm | 8.2323 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 19,300,000 mm⁴ | 46.3684 in⁴ |
| Elastic modulus, Sₓ | 176,000 mm³ | 10.7402 in³ |
| Plastic modulus, Zₓ | 229,000 mm³ | 13.9744 in³ |
| Radius of gyration, rₓ | 75.7 mm | 2.9803 in |
| Distance to top fibre | 109.55 mm | 4.313 in |
| Distance to bottom fibre | 109.55 mm | 4.313 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 19,300,000 mm⁴ | 46.3684 in⁴ |
| Elastic modulus, S_y | 176,000 mm³ | 10.7402 in³ |
| Plastic modulus, Z_y | 229,000 mm³ | 13.9744 in³ |
| Radius of gyration, r_y | 75.7 mm | 2.9803 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 38,600,000 mm⁴ | 92.7369 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 26.4 kg/m | 17.74 lb/ft |