165×3.5 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 | 3.5 mm | 0.137795 in |
| Outside diameter | 165.1 mm | 6.5 in |
| Inside diameter | 158.1 mm | 6.2244 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 5,800,000 mm⁴ | 13.9346 in⁴ |
| Elastic modulus, Sₓ | 70,260.448 mm³ | 4.2876 in³ |
| Plastic modulus, Zₓ | 91,400 mm³ | 5.5776 in³ |
| Radius of gyration, rₓ | 57.0826 mm | 2.2473 in |
| Distance to top fibre | 82.55 mm | 3.25 in |
| Distance to bottom fibre | 82.55 mm | 3.25 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 5,800,000 mm⁴ | 13.9346 in⁴ |
| Elastic modulus, S_y | 70,260.448 mm³ | 4.2876 in³ |
| Plastic modulus, Z_y | 91,400 mm³ | 5.5776 in³ |
| Radius of gyration, r_y | 57.0826 mm | 2.2473 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 11,600,000 mm⁴ | 27.8691 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 13.973 kg/m | 9.3894 lb/ft |