168×7.1 CHS
Circular hollow sections from Australian-Sections.xlsx (Sheets 1-19).
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 | 168.3 mm | 6.626 in |
| Inside diameter | 154.1 mm | 6.0669 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 11,700,000 mm⁴ | 28.1094 in⁴ |
| Elastic modulus, Sₓ | 139,037.433 mm³ | 8.4846 in³ |
| Plastic modulus, Zₓ | 185,000 mm³ | 11.2894 in³ |
| Radius of gyration, rₓ | 57.0088 mm | 2.2444 in |
| Distance to top fibre | 84.15 mm | 3.313 in |
| Distance to bottom fibre | 84.15 mm | 3.313 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 11,700,000 mm⁴ | 28.1094 in⁴ |
| Elastic modulus, S_y | 139,037.433 mm³ | 8.4846 in³ |
| Plastic modulus, Z_y | 185,000 mm³ | 11.2894 in³ |
| Radius of gyration, r_y | 57.0088 mm | 2.2444 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 23,400,000 mm⁴ | 56.2187 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 28.26 kg/m | 18.9898 lb/ft |