CHS 48.3×6.3
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 | 48.3 mm | 1.9016 in |
| Inside diameter | 35.7 mm | 1.4055 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 187,000 mm⁴ | 0.449269 in⁴ |
| Elastic modulus, Sₓ | 7,760 mm³ | 0.473544 in³ |
| Plastic modulus, Zₓ | 11,200 mm³ | 0.683466 in³ |
| Radius of gyration, rₓ | 15 mm | 0.590551 in |
| Distance to top fibre | 24.15 mm | 0.9507875 in |
| Distance to bottom fibre | 24.15 mm | 0.9507875 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 187,000 mm⁴ | 0.449269 in⁴ |
| Elastic modulus, S_y | 7,760 mm³ | 0.473544 in³ |
| Plastic modulus, Z_y | 11,200 mm³ | 0.683466 in³ |
| Radius of gyration, r_y | 15 mm | 0.590551 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 375,000 mm⁴ | 0.900941 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 6.53 kg/m | 4.388 lb/ft |