HA73×6.4
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 | 73 mm | 2.874 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 689,000 mm⁴ | 1.6553 in⁴ |
| Elastic modulus, Sₓ | 18,900 mm³ | 1.1533 in³ |
| Plastic modulus, Zₓ | 26,000 mm³ | 1.5866 in³ |
| Radius of gyration, rₓ | 23.9 mm | 0.940945 in |
| Distance to top fibre | 36.5 mm | 1.437 in |
| Distance to bottom fibre | 36.5 mm | 1.437 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 689,000 mm⁴ | 1.6553 in⁴ |
| Elastic modulus, S_y | 18,900 mm³ | 1.1533 in³ |
| Plastic modulus, Z_y | 26,000 mm³ | 1.5866 in³ |
| Radius of gyration, r_y | 23.9 mm | 0.940945 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1,380,000 mm⁴ | 3.3155 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 10.4 kg/m | 7.02 lb/ft |