CHS 244.5×11
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 | 11 mm | 0.433071 in |
| Outside diameter | 244.5 mm | 9.626 in |
| Inside diameter | 222.5 mm | 8.7598 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 55,100,000 mm⁴ | 132.3783 in⁴ |
| Elastic modulus, Sₓ | 451,000 mm³ | 27.5217 in³ |
| Plastic modulus, Zₓ | 600,000 mm³ | 36.6142 in³ |
| Radius of gyration, rₓ | 82.6 mm | 3.252 in |
| Distance to top fibre | 122.25 mm | 4.813 in |
| Distance to bottom fibre | 122.25 mm | 4.813 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 55,100,000 mm⁴ | 132.3783 in⁴ |
| Elastic modulus, S_y | 451,000 mm³ | 27.5217 in³ |
| Plastic modulus, Z_y | 600,000 mm³ | 36.6142 in³ |
| Radius of gyration, r_y | 82.6 mm | 3.252 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 110,000,000 mm⁴ | 264.2761 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 63.3 kg/m | 42.5356 lb/ft |