508×12.7 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 | 508 mm | 20 in |
| Inside diameter | 482.6 mm | 19 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 606,000,000 mm⁴ | 1,455.921 in⁴ |
| Elastic modulus, Sₓ | 2,385,826.772 mm³ | 145.5921 in³ |
| Plastic modulus, Zₓ | 3,120,000 mm³ | 190.3941 in³ |
| Radius of gyration, rₓ | 174.9459 mm | 6.8876 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 | 606,000,000 mm⁴ | 1,455.921 in⁴ |
| Elastic modulus, S_y | 2,385,826.772 mm³ | 145.5921 in³ |
| Plastic modulus, Z_y | 3,120,000 mm³ | 190.3941 in³ |
| Radius of gyration, r_y | 174.9459 mm | 6.8876 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1.21000e+9 mm⁴ | 2,907.037 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 155.43 kg/m | 104.4441 lb/ft |