CHS 76.1×5
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 mm | 0.19685 in |
| Outside diameter | 76.1 mm | 2.9961 in |
| Inside diameter | 66.1 mm | 2.6024 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 709,000 mm⁴ | 1.7034 in⁴ |
| Elastic modulus, Sₓ | 18,600 mm³ | 1.135 in³ |
| Plastic modulus, Zₓ | 25,300 mm³ | 1.5439 in³ |
| Radius of gyration, rₓ | 25.2 mm | 0.992126 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 | 709,000 mm⁴ | 1.7034 in⁴ |
| Elastic modulus, S_y | 18,600 mm³ | 1.135 in³ |
| Plastic modulus, Z_y | 25,300 mm³ | 1.5439 in³ |
| Radius of gyration, r_y | 25.2 mm | 0.992126 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1,420,000 mm⁴ | 3.4116 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 8.77 kg/m | 5.8932 lb/ft |