HA457×19
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 | 17.15 mm | 0.675197 in |
| Nominal wall thickness | 19.05 mm | 0.75 in |
| Outside diameter | 457.2 mm | 18 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 575,000,000 mm⁴ | 1,381.443 in⁴ |
| Elastic modulus, Sₓ | 2,510,000 mm³ | 153.1696 in³ |
| Plastic modulus, Zₓ | 3,320,000 mm³ | 202.5988 in³ |
| Radius of gyration, rₓ | 156 mm | 6.1417 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 | 575,000,000 mm⁴ | 1,381.443 in⁴ |
| Elastic modulus, S_y | 2,510,000 mm³ | 153.1696 in³ |
| Plastic modulus, Z_y | 3,320,000 mm³ | 202.5988 in³ |
| Radius of gyration, r_y | 156 mm | 6.1417 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1.15000e+9 mm⁴ | 2,762.886 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 206 kg/m | 138 lb/ft |