CHS 48.3×2.9
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 | 2.9 mm | 0.114173 in |
| Outside diameter | 48.3 mm | 1.9016 in |
| Inside diameter | 42.5 mm | 1.6732 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 107,000 mm⁴ | 0.257069 in⁴ |
| Elastic modulus, Sₓ | 4,430 mm³ | 0.270335 in³ |
| Plastic modulus, Zₓ | 5,990 mm³ | 0.365532 in³ |
| Radius of gyration, rₓ | 16.1 mm | 0.633858 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 | 107,000 mm⁴ | 0.257069 in⁴ |
| Elastic modulus, S_y | 4,430 mm³ | 0.270335 in³ |
| Plastic modulus, Z_y | 5,990 mm³ | 0.365532 in³ |
| Radius of gyration, r_y | 16.1 mm | 0.633858 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 214,000 mm⁴ | 0.514137 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 3.25 kg/m | 2.1839 lb/ft |