HA273×7.9
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 | 7.15 mm | 0.281496 in |
| Nominal wall thickness | 7.94 mm | 0.312598 in |
| Outside diameter | 273.1 mm | 10.752 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 52,900,000 mm⁴ | 127.0928 in⁴ |
| Elastic modulus, Sₓ | 387,000 mm³ | 23.6162 in³ |
| Plastic modulus, Zₓ | 506,000 mm³ | 30.878 in³ |
| Radius of gyration, rₓ | 94.1 mm | 3.7047 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 | 52,900,000 mm⁴ | 127.0928 in⁴ |
| Elastic modulus, S_y | 387,000 mm³ | 23.6162 in³ |
| Plastic modulus, Z_y | 506,000 mm³ | 30.878 in³ |
| Radius of gyration, r_y | 94.1 mm | 3.7047 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 106,000,000 mm⁴ | 254.666 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 51.9 kg/m | 34.9 lb/ft |