HS89×6.4
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 | 88.9 mm | 3.5 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 1,410,000 mm⁴ | 3.3875 in⁴ |
| Elastic modulus, Sₓ | 31,700 mm³ | 1.9345 in³ |
| Plastic modulus, Zₓ | 43,400 mm³ | 2.6484 in³ |
| Radius of gyration, rₓ | 29.3 mm | 1.1535 in |
| Distance to top fibre | 44.45 mm | 1.75 in |
| Distance to bottom fibre | 44.45 mm | 1.75 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 1,410,000 mm⁴ | 3.3875 in⁴ |
| Elastic modulus, S_y | 31,700 mm³ | 1.9345 in³ |
| Plastic modulus, Z_y | 43,400 mm³ | 2.6484 in³ |
| Radius of gyration, r_y | 29.3 mm | 1.1535 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 2,820,000 mm⁴ | 6.7751 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 12.9 kg/m | 8.69 lb/ft |