HS64×6.4
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 | 63.5 mm | 2.5 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 471,000 mm⁴ | 1.1316 in⁴ |
| Elastic modulus, Sₓ | 14,800 mm³ | 0.903151 in³ |
| Plastic modulus, Zₓ | 20,800 mm³ | 1.2693 in³ |
| Radius of gyration, rₓ | 20.3 mm | 0.799213 in |
| Distance to top fibre | 31.75 mm | 1.25 in |
| Distance to bottom fibre | 31.75 mm | 1.25 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 471,000 mm⁴ | 1.1316 in⁴ |
| Elastic modulus, S_y | 14,800 mm³ | 0.903151 in³ |
| Plastic modulus, Z_y | 20,800 mm³ | 1.2693 in³ |
| Radius of gyration, r_y | 20.3 mm | 0.799213 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 942,000 mm⁴ | 2.2632 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 8.95 kg/m | 6.01 lb/ft |