HA457×25
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 | 22.86 mm | 0.9 in |
| Nominal wall thickness | 25.4 mm | 1 in |
| Outside diameter | 457.2 mm | 18 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 738,000,000 mm⁴ | 1,773.052 in⁴ |
| Elastic modulus, Sₓ | 3,230,000 mm³ | 197.1067 in³ |
| Plastic modulus, Zₓ | 4,320,000 mm³ | 263.6226 in³ |
| Radius of gyration, rₓ | 154 mm | 6.063 in |
| Distance to top fibre | 228.6 mm | 9 in |
| Distance to bottom fibre | 228.6 mm | 9 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 738,000,000 mm⁴ | 1,773.052 in⁴ |
| Elastic modulus, S_y | 3,230,000 mm³ | 197.1067 in³ |
| Plastic modulus, Z_y | 4,320,000 mm³ | 263.6226 in³ |
| Radius of gyration, r_y | 154 mm | 6.063 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1.48000e+9 mm⁴ | 3,555.714 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 270 kg/m | 182 lb/ft |