HA457×6.4
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 | 5.72 mm | 0.225197 in |
| Nominal wall thickness | 6.35 mm | 0.25 in |
| Outside diameter | 457.2 mm | 18 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 207,000,000 mm⁴ | 497.3195 in⁴ |
| Elastic modulus, Sₓ | 904,000 mm³ | 55.1655 in³ |
| Plastic modulus, Zₓ | 1,170,000 mm³ | 71.3978 in³ |
| Radius of gyration, rₓ | 160 mm | 6.2992 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 | 207,000,000 mm⁴ | 497.3195 in⁴ |
| Elastic modulus, S_y | 904,000 mm³ | 55.1655 in³ |
| Plastic modulus, Z_y | 1,170,000 mm³ | 71.3978 in³ |
| Radius of gyration, r_y | 160 mm | 6.2992 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 413,000,000 mm⁴ | 992.2365 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 70.6 kg/m | 47.4 lb/ft |