406×12.7 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 | 12.7 mm | 0.5 in |
| Outside diameter | 406.4 mm | 16 in |
| Inside diameter | 381 mm | 15 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 305,000,000 mm⁴ | 732.7654 in⁴ |
| Elastic modulus, Sₓ | 1,500,984.252 mm³ | 91.5957 in³ |
| Plastic modulus, Zₓ | 1,970,000 mm³ | 120.2168 in³ |
| Radius of gyration, rₓ | 139.3799 mm | 5.4874 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 | 305,000,000 mm⁴ | 732.7654 in⁴ |
| Elastic modulus, S_y | 1,500,984.252 mm³ | 91.5957 in³ |
| Plastic modulus, Z_y | 1,970,000 mm³ | 120.2168 in³ |
| Radius of gyration, r_y | 139.3799 mm | 5.4874 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 609,000,000 mm⁴ | 1,463.128 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 123.245 kg/m | 82.8168 lb/ft |