CHS 48.3×3.6
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 | 3.6 mm | 0.141732 in |
| Outside diameter | 48.3 mm | 1.9016 in |
| Inside diameter | 41.1 mm | 1.6181 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 127,000 mm⁴ | 0.305119 in⁴ |
| Elastic modulus, Sₓ | 5,260 mm³ | 0.320985 in³ |
| Plastic modulus, Zₓ | 7,210 mm³ | 0.439981 in³ |
| Radius of gyration, rₓ | 15.9 mm | 0.625984 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 | 127,000 mm⁴ | 0.305119 in⁴ |
| Elastic modulus, S_y | 5,260 mm³ | 0.320985 in³ |
| Plastic modulus, Z_y | 7,210 mm³ | 0.439981 in³ |
| Radius of gyration, r_y | 15.9 mm | 0.625984 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 254,000 mm⁴ | 0.610237 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 3.97 kg/m | 2.6677 lb/ft |