406×6.4 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 | 6.4 mm | 0.251969 in |
| Outside diameter | 406.4 mm | 16 in |
| Inside diameter | 393.6 mm | 15.4961 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 161,000,000 mm⁴ | 386.804 in⁴ |
| Elastic modulus, Sₓ | 792,322.835 mm³ | 48.3505 in³ |
| Plastic modulus, Zₓ | 1,020,000 mm³ | 62.2442 in³ |
| Radius of gyration, rₓ | 141.5093 mm | 5.5712 in |
| Distance to top fibre | 203.2 mm | 8 in |
| Distance to bottom fibre | 203.2 mm | 8 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 161,000,000 mm⁴ | 386.804 in⁴ |
| Elastic modulus, S_y | 792,322.835 mm³ | 48.3505 in³ |
| Plastic modulus, Z_y | 1,020,000 mm³ | 62.2442 in³ |
| Radius of gyration, r_y | 141.5093 mm | 5.5712 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 322,000,000 mm⁴ | 773.6081 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 63.114 kg/m | 42.4107 lb/ft |