HS508×6.4
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 | 508 mm | 20 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 315,000,000 mm⁴ | 756.7905 in⁴ |
| Elastic modulus, Sₓ | 1,240,000 mm³ | 75.6694 in³ |
| Plastic modulus, Zₓ | 1,600,000 mm³ | 97.638 in³ |
| Radius of gyration, rₓ | 177 mm | 6.9685 in |
| Distance to top fibre | 254 mm | 10 in |
| Distance to bottom fibre | 254 mm | 10 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 315,000,000 mm⁴ | 756.7905 in⁴ |
| Elastic modulus, S_y | 1,240,000 mm³ | 75.6694 in³ |
| Plastic modulus, Z_y | 1,600,000 mm³ | 97.638 in³ |
| Radius of gyration, r_y | 177 mm | 6.9685 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 630,000,000 mm⁴ | 1,513.581 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 78.6 kg/m | 52.8 lb/ft |