324×12.7 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 | 323.9 mm | 12.752 in |
| Inside diameter | 298.5 mm | 11.752 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 151,000,000 mm⁴ | 362.779 in⁴ |
| Elastic modulus, Sₓ | 932,386.539 mm³ | 56.8977 in³ |
| Plastic modulus, Zₓ | 1,230,000 mm³ | 75.0592 in³ |
| Radius of gyration, rₓ | 110.3513 mm | 4.3445 in |
| Distance to top fibre | 161.95 mm | 6.376 in |
| Distance to bottom fibre | 161.95 mm | 6.376 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 151,000,000 mm⁴ | 362.779 in⁴ |
| Elastic modulus, S_y | 932,386.539 mm³ | 56.8977 in³ |
| Plastic modulus, Z_y | 1,230,000 mm³ | 75.0592 in³ |
| Radius of gyration, r_y | 110.3513 mm | 4.3445 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 301,000,000 mm⁴ | 723.1554 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 97.34 kg/m | 65.4095 lb/ft |