HA406×6.4
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 | 406.4 mm | 16 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 145,000,000 mm⁴ | 348.3639 in⁴ |
| Elastic modulus, Sₓ | 711,000 mm³ | 43.3879 in³ |
| Plastic modulus, Zₓ | 918,000 mm³ | 56.0198 in³ |
| Radius of gyration, rₓ | 142 mm | 5.5906 in |
| Distance to top fibre | 203.2 mm | 8 in |
| Distance to bottom fibre | 203.2 mm | 8 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 145,000,000 mm⁴ | 348.3639 in⁴ |
| Elastic modulus, S_y | 711,000 mm³ | 43.3879 in³ |
| Plastic modulus, Z_y | 918,000 mm³ | 56.0198 in³ |
| Radius of gyration, r_y | 142 mm | 5.5906 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 289,000,000 mm⁴ | 694.3253 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 62.6 kg/m | 42.1 lb/ft |