HA178×178×13
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 | 177.8 mm | 7 in |
| Width | 177.8 mm | 7 in |
| Design wall thickness | 11.43 mm | 0.45 in |
| Nominal wall thickness | 12.7 mm | 0.5 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 32,700,000 mm⁴ | 78.5621 in⁴ |
| Elastic modulus, Sₓ | 368,000 mm³ | 22.4567 in³ |
| Plastic modulus, Zₓ | 446,000 mm³ | 27.2166 in³ |
| Radius of gyration, rₓ | 67.1 mm | 2.6417 in |
| Distance to top fibre | 88.9 mm | 3.5 in |
| Distance to bottom fibre | 88.9 mm | 3.5 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 32,700,000 mm⁴ | 78.5621 in⁴ |
| Elastic modulus, S_y | 368,000 mm³ | 22.4567 in³ |
| Plastic modulus, Z_y | 446,000 mm³ | 27.2166 in³ |
| Radius of gyration, r_y | 67.1 mm | 2.6417 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 54,100,000 mm⁴ | 129.9758 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 62.6 kg/m | 42.1 lb/ft |