HS89×4.8
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 | 4.78 mm | 0.188189 in |
| Nominal wall thickness | 4.78 mm | 0.188189 in |
| Outside diameter | 88.9 mm | 3.5 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 1,120,000 mm⁴ | 2.6908 in⁴ |
| Elastic modulus, Sₓ | 25,200 mm³ | 1.5378 in³ |
| Plastic modulus, Zₓ | 33,900 mm³ | 2.0687 in³ |
| Radius of gyration, rₓ | 29.8 mm | 1.1732 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 | 1,120,000 mm⁴ | 2.6908 in⁴ |
| Elastic modulus, S_y | 25,200 mm³ | 1.5378 in³ |
| Plastic modulus, Z_y | 33,900 mm³ | 2.0687 in³ |
| Radius of gyration, r_y | 29.8 mm | 1.1732 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 2,240,000 mm⁴ | 5.3816 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 9.92 kg/m | 6.66 lb/ft |