CHS 114.3×8
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 | 8 mm | 0.314961 in |
| Outside diameter | 114.3 mm | 4.5 in |
| Inside diameter | 98.3 mm | 3.8701 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 3,790,000 mm⁴ | 9.1055 in⁴ |
| Elastic modulus, Sₓ | 66,400 mm³ | 4.052 in³ |
| Plastic modulus, Zₓ | 90,600 mm³ | 5.5288 in³ |
| Radius of gyration, rₓ | 37.7 mm | 1.4843 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 | 3,790,000 mm⁴ | 9.1055 in⁴ |
| Elastic modulus, S_y | 66,400 mm³ | 4.052 in³ |
| Plastic modulus, Z_y | 90,600 mm³ | 5.5288 in³ |
| Radius of gyration, r_y | 37.7 mm | 1.4843 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 7,590,000 mm⁴ | 18.235 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 21 kg/m | 14.1113 lb/ft |