HA457×457×25
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 | 22.86 mm | 0.9 in |
| Nominal wall thickness | 25.4 mm | 1 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 1.18000e+9 mm⁴ | 2,834.961 in⁴ |
| Elastic modulus, Sₓ | 5,180,000 mm³ | 316.103 in³ |
| Plastic modulus, Zₓ | 6,170,000 mm³ | 376.5165 in³ |
| Radius of gyration, rₓ | 176 mm | 6.9291 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 | 1.18000e+9 mm⁴ | 2,834.961 in⁴ |
| Elastic modulus, S_y | 5,180,000 mm³ | 316.103 in³ |
| Plastic modulus, Z_y | 6,170,000 mm³ | 376.5165 in³ |
| Radius of gyration, r_y | 176 mm | 6.9291 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1.92000e+9 mm⁴ | 4,612.818 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 331 kg/m | 223 lb/ft |