HA457×13
Round HSS from CISC Structural Section Tables SST12.1.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Design wall thickness | 11.43 mm | 0.45 in |
| Nominal wall thickness | 12.7 mm | 0.5 in |
| Outside diameter | 457.2 mm | 18 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 398,000,000 mm⁴ | 956.1988 in⁴ |
| Elastic modulus, Sₓ | 1,740,000 mm³ | 106.1813 in³ |
| Plastic modulus, Zₓ | 2,270,000 mm³ | 138.5239 in³ |
| Radius of gyration, rₓ | 158 mm | 6.2205 in |
| Distance to top fibre | 228.6 mm | 9 in |
| Distance to bottom fibre | 228.6 mm | 9 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 398,000,000 mm⁴ | 956.1988 in⁴ |
| Elastic modulus, S_y | 1,740,000 mm³ | 106.1813 in³ |
| Plastic modulus, Z_y | 2,270,000 mm³ | 138.5239 in³ |
| Radius of gyration, r_y | 158 mm | 6.2205 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 796,000,000 mm⁴ | 1,912.398 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 139 kg/m | 93.6 lb/ft |