CHS 76.1×5.6
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 | 5.6 mm | 0.220472 in |
| Outside diameter | 76.1 mm | 2.9961 in |
| Inside diameter | 64.9 mm | 2.5551 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 775,000 mm⁴ | 1.8619 in⁴ |
| Elastic modulus, Sₓ | 20,400 mm³ | 1.2449 in³ |
| Plastic modulus, Zₓ | 27,900 mm³ | 1.7026 in³ |
| Radius of gyration, rₓ | 25 mm | 0.984252 in |
| Distance to top fibre | 38.05 mm | 1.498 in |
| Distance to bottom fibre | 38.05 mm | 1.498 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 775,000 mm⁴ | 1.8619 in⁴ |
| Elastic modulus, S_y | 20,400 mm³ | 1.2449 in³ |
| Plastic modulus, Z_y | 27,900 mm³ | 1.7026 in³ |
| Radius of gyration, r_y | 25 mm | 0.984252 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1,550,000 mm⁴ | 3.7239 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 9.74 kg/m | 6.545 lb/ft |