HA457×457×19
Square 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 |
|---|---|---|
| Height | 457.2 mm | 18 in |
| Width | 457.2 mm | 18 in |
| Design wall thickness | 17.15 mm | 0.675197 in |
| Nominal wall thickness | 19.05 mm | 0.75 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 937,000,000 mm⁴ | 2,251.152 in⁴ |
| Elastic modulus, Sₓ | 4,100,000 mm³ | 250.1974 in³ |
| Plastic modulus, Zₓ | 4,810,000 mm³ | 293.5242 in³ |
| Radius of gyration, rₓ | 178 mm | 7.0079 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 | 937,000,000 mm⁴ | 2,251.152 in⁴ |
| Elastic modulus, S_y | 4,100,000 mm³ | 250.1974 in³ |
| Plastic modulus, Z_y | 4,810,000 mm³ | 293.5242 in³ |
| Radius of gyration, r_y | 178 mm | 7.0079 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1.49000e+9 mm⁴ | 3,579.739 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 255 kg/m | 171 lb/ft |