CHS 76.1×6.3
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 | 76.1 mm | 2.9961 in |
| Inside diameter | 63.5 mm | 2.5 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 848,000 mm⁴ | 2.0373 in⁴ |
| Elastic modulus, Sₓ | 22,300 mm³ | 1.3608 in³ |
| Plastic modulus, Zₓ | 30,800 mm³ | 1.8795 in³ |
| Radius of gyration, rₓ | 24.8 mm | 0.976378 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 | 848,000 mm⁴ | 2.0373 in⁴ |
| Elastic modulus, S_y | 22,300 mm³ | 1.3608 in³ |
| Plastic modulus, Z_y | 30,800 mm³ | 1.8795 in³ |
| Radius of gyration, r_y | 24.8 mm | 0.976378 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1,700,000 mm⁴ | 4.0843 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 10.8 kg/m | 7.2573 lb/ft |