CHS 219.1×16
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 | 16 mm | 0.629921 in |
| Outside diameter | 219.1 mm | 8.626 in |
| Inside diameter | 187.1 mm | 7.3661 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 53,000,000 mm⁴ | 127.333 in⁴ |
| Elastic modulus, Sₓ | 483,000 mm³ | 29.4745 in³ |
| Plastic modulus, Zₓ | 661,000 mm³ | 40.3367 in³ |
| Radius of gyration, rₓ | 72 mm | 2.8346 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 | 53,000,000 mm⁴ | 127.333 in⁴ |
| Elastic modulus, S_y | 483,000 mm³ | 29.4745 in³ |
| Plastic modulus, Z_y | 661,000 mm³ | 40.3367 in³ |
| Radius of gyration, r_y | 72 mm | 2.8346 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 106,000,000 mm⁴ | 254.666 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 80.1 kg/m | 53.8247 lb/ft |