CHS 114.3×4.5
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 | 4.5 mm | 0.177165 in |
| Outside diameter | 114.3 mm | 4.5 in |
| Inside diameter | 105.3 mm | 4.1457 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 2,340,000 mm⁴ | 5.6219 in⁴ |
| Elastic modulus, Sₓ | 41,000 mm³ | 2.502 in³ |
| Plastic modulus, Zₓ | 54,300 mm³ | 3.3136 in³ |
| Radius of gyration, rₓ | 38.9 mm | 1.5315 in |
| Distance to top fibre | 57.15 mm | 2.25 in |
| Distance to bottom fibre | 57.15 mm | 2.25 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 2,340,000 mm⁴ | 5.6219 in⁴ |
| Elastic modulus, S_y | 41,000 mm³ | 2.502 in³ |
| Plastic modulus, Z_y | 54,300 mm³ | 3.3136 in³ |
| Radius of gyration, r_y | 38.9 mm | 1.5315 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 4,690,000 mm⁴ | 11.2678 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 12.2 kg/m | 8.198 lb/ft |