CHS 273×5.6
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 | 5.6 mm | 0.220472 in |
| Outside diameter | 273 mm | 10.748 in |
| Inside diameter | 261.8 mm | 10.3071 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 42,100,000 mm⁴ | 101.1457 in⁴ |
| Elastic modulus, Sₓ | 308,000 mm³ | 18.7953 in³ |
| Plastic modulus, Zₓ | 400,000 mm³ | 24.4095 in³ |
| Radius of gyration, rₓ | 94.6 mm | 3.7244 in |
| Distance to top fibre | 136.5 mm | 5.374 in |
| Distance to bottom fibre | 136.5 mm | 5.374 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 42,100,000 mm⁴ | 101.1457 in⁴ |
| Elastic modulus, S_y | 308,000 mm³ | 18.7953 in³ |
| Plastic modulus, Z_y | 400,000 mm³ | 24.4095 in³ |
| Radius of gyration, r_y | 94.6 mm | 3.7244 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 84,100,000 mm⁴ | 202.0511 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 36.9 kg/m | 24.7957 lb/ft |