324×6.4 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 | 323.9 mm | 12.752 in |
| Inside diameter | 311.1 mm | 12.248 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 80,500,000 mm⁴ | 193.402 in⁴ |
| Elastic modulus, Sₓ | 497,066.996 mm³ | 30.3329 in³ |
| Plastic modulus, Zₓ | 645,000 mm³ | 39.3603 in³ |
| Radius of gyration, rₓ | 112.3279 mm | 4.4224 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 | 80,500,000 mm⁴ | 193.402 in⁴ |
| Elastic modulus, S_y | 497,066.996 mm³ | 30.3329 in³ |
| Plastic modulus, Z_y | 645,000 mm³ | 39.3603 in³ |
| Radius of gyration, r_y | 112.3279 mm | 4.4224 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 161,000,000 mm⁴ | 386.804 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 50.083 kg/m | 33.6542 lb/ft |