HA273×4.8
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 | 4.3 mm | 0.169291 in |
| Nominal wall thickness | 4.78 mm | 0.188189 in |
| Outside diameter | 273.1 mm | 10.752 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 32,800,000 mm⁴ | 78.8023 in⁴ |
| Elastic modulus, Sₓ | 240,000 mm³ | 14.6457 in³ |
| Plastic modulus, Zₓ | 311,000 mm³ | 18.9784 in³ |
| Radius of gyration, rₓ | 95 mm | 3.7402 in |
| Distance to top fibre | 136.55 mm | 5.376 in |
| Distance to bottom fibre | 136.55 mm | 5.376 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 32,800,000 mm⁴ | 78.8023 in⁴ |
| Elastic modulus, S_y | 240,000 mm³ | 14.6457 in³ |
| Plastic modulus, Z_y | 311,000 mm³ | 18.9784 in³ |
| Radius of gyration, r_y | 95 mm | 3.7402 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 65,600,000 mm⁴ | 157.6046 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 31.6 kg/m | 21.2 lb/ft |