HS245×6.4
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 | 6.35 mm | 0.25 in |
| Nominal wall thickness | 6.35 mm | 0.25 in |
| Outside diameter | 244.5 mm | 9.626 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 33,700,000 mm⁴ | 80.9646 in⁴ |
| Elastic modulus, Sₓ | 276,000 mm³ | 16.8426 in³ |
| Plastic modulus, Zₓ | 360,000 mm³ | 21.9685 in³ |
| Radius of gyration, rₓ | 84.2 mm | 3.315 in |
| Distance to top fibre | 122.25 mm | 4.813 in |
| Distance to bottom fibre | 122.25 mm | 4.813 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 33,700,000 mm⁴ | 80.9646 in⁴ |
| Elastic modulus, S_y | 276,000 mm³ | 16.8426 in³ |
| Plastic modulus, Z_y | 360,000 mm³ | 21.9685 in³ |
| Radius of gyration, r_y | 84.2 mm | 3.315 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 67,400,000 mm⁴ | 161.9291 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 37.3 kg/m | 25.1 lb/ft |