CHS 193.7×7.1
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 | 7.1 mm | 0.279528 in |
| Outside diameter | 193.7 mm | 7.626 in |
| Inside diameter | 179.5 mm | 7.0669 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 18,100,000 mm⁴ | 43.4854 in⁴ |
| Elastic modulus, Sₓ | 187,000 mm³ | 11.4114 in³ |
| Plastic modulus, Zₓ | 247,000 mm³ | 15.0729 in³ |
| Radius of gyration, rₓ | 66 mm | 2.5984 in |
| Distance to top fibre | 96.85 mm | 3.813 in |
| Distance to bottom fibre | 96.85 mm | 3.813 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 18,100,000 mm⁴ | 43.4854 in⁴ |
| Elastic modulus, S_y | 187,000 mm³ | 11.4114 in³ |
| Plastic modulus, Z_y | 247,000 mm³ | 15.0729 in³ |
| Radius of gyration, r_y | 66 mm | 2.5984 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 36,300,000 mm⁴ | 87.2111 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 32.7 kg/m | 21.9734 lb/ft |