HA254×254×7.9
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 | 254 mm | 10 in |
| Width | 254 mm | 10 in |
| Design wall thickness | 7.15 mm | 0.281496 in |
| Nominal wall thickness | 7.94 mm | 0.312598 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 69,700,000 mm⁴ | 167.4549 in⁴ |
| Elastic modulus, Sₓ | 549,000 mm³ | 33.502 in³ |
| Plastic modulus, Zₓ | 637,000 mm³ | 38.8721 in³ |
| Radius of gyration, rₓ | 100 mm | 3.937 in |
| Distance to top fibre | 127 mm | 5 in |
| Distance to bottom fibre | 127 mm | 5 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 69,700,000 mm⁴ | 167.4549 in⁴ |
| Elastic modulus, S_y | 549,000 mm³ | 33.502 in³ |
| Plastic modulus, Z_y | 637,000 mm³ | 38.8721 in³ |
| Radius of gyration, r_y | 100 mm | 3.937 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 109,000,000 mm⁴ | 261.8735 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 60.1 kg/m | 40.4 lb/ft |