CHS 273×16
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 | 273 mm | 10.748 in |
| Inside diameter | 241 mm | 9.4882 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 107,000,000 mm⁴ | 257.0685 in⁴ |
| Elastic modulus, Sₓ | 784,000 mm³ | 47.8426 in³ |
| Plastic modulus, Zₓ | 1,060,000 mm³ | 64.6852 in³ |
| Radius of gyration, rₓ | 91 mm | 3.5827 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 | 107,000,000 mm⁴ | 257.0685 in⁴ |
| Elastic modulus, S_y | 784,000 mm³ | 47.8426 in³ |
| Plastic modulus, Z_y | 1,060,000 mm³ | 64.6852 in³ |
| Radius of gyration, r_y | 91 mm | 3.5827 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 214,000,000 mm⁴ | 514.1371 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 101 kg/m | 67.8689 lb/ft |