CHS 457×16
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 | 457 mm | 17.9921 in |
| Inside diameter | 425 mm | 16.7323 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 540,000,000 mm⁴ | 1,297.355 in⁴ |
| Elastic modulus, Sₓ | 2,360,000 mm³ | 144.016 in³ |
| Plastic modulus, Zₓ | 3,110,000 mm³ | 189.7838 in³ |
| Radius of gyration, rₓ | 156 mm | 6.1417 in |
| Distance to top fibre | 228.5 mm | 8.9961 in |
| Distance to bottom fibre | 228.5 mm | 8.9961 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 540,000,000 mm⁴ | 1,297.355 in⁴ |
| Elastic modulus, S_y | 2,360,000 mm³ | 144.016 in³ |
| Plastic modulus, Z_y | 3,110,000 mm³ | 189.7838 in³ |
| Radius of gyration, r_y | 156 mm | 6.1417 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1.08000e+9 mm⁴ | 2,594.71 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 174 kg/m | 116.9226 lb/ft |