CHS 114.3×6.3
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 | 6.3 mm | 0.248031 in |
| Outside diameter | 114.3 mm | 4.5 in |
| Inside diameter | 101.7 mm | 4.0039 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 3,130,000 mm⁴ | 7.5199 in⁴ |
| Elastic modulus, Sₓ | 54,700 mm³ | 3.338 in³ |
| Plastic modulus, Zₓ | 73,600 mm³ | 4.4913 in³ |
| Radius of gyration, rₓ | 38.2 mm | 1.5039 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 | 3,130,000 mm⁴ | 7.5199 in⁴ |
| Elastic modulus, S_y | 54,700 mm³ | 3.338 in³ |
| Plastic modulus, Z_y | 73,600 mm³ | 4.4913 in³ |
| Radius of gyration, r_y | 38.2 mm | 1.5039 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 6,250,000 mm⁴ | 15.0157 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 16.8 kg/m | 11.2891 lb/ft |