HA168×13
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 | 168.3 mm | 6.626 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 17,400,000 mm⁴ | 41.8037 in⁴ |
| Elastic modulus, Sₓ | 207,000 mm³ | 12.6319 in³ |
| Plastic modulus, Zₓ | 282,000 mm³ | 17.2087 in³ |
| Radius of gyration, rₓ | 55.6 mm | 2.189 in |
| Distance to top fibre | 84.15 mm | 3.313 in |
| Distance to bottom fibre | 84.15 mm | 3.313 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 17,400,000 mm⁴ | 41.8037 in⁴ |
| Elastic modulus, S_y | 207,000 mm³ | 12.6319 in³ |
| Plastic modulus, Z_y | 282,000 mm³ | 17.2087 in³ |
| Radius of gyration, r_y | 55.6 mm | 2.189 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 34,800,000 mm⁴ | 83.6073 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 48.7 kg/m | 32.7 lb/ft |