508×6.4 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 | 508 mm | 20 in |
| Inside diameter | 495.2 mm | 19.4961 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 317,000,000 mm⁴ | 761.5955 in⁴ |
| Elastic modulus, Sₓ | 1,248,031.496 mm³ | 76.1596 in³ |
| Plastic modulus, Zₓ | 1,610,000 mm³ | 98.2482 in³ |
| Radius of gyration, rₓ | 177.1613 mm | 6.9749 in |
| Distance to top fibre | 254 mm | 10 in |
| Distance to bottom fibre | 254 mm | 10 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 317,000,000 mm⁴ | 761.5955 in⁴ |
| Elastic modulus, S_y | 1,248,031.496 mm³ | 76.1596 in³ |
| Plastic modulus, Z_y | 1,610,000 mm³ | 98.2482 in³ |
| Radius of gyration, r_y | 177.1613 mm | 6.9749 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 634,000,000 mm⁴ | 1,523.191 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 79.285 kg/m | 53.2771 lb/ft |