HA178×178×16
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 | 14.29 mm | 0.562598 in |
| Nominal wall thickness | 15.88 mm | 0.625197 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 38,100,000 mm⁴ | 91.5356 in⁴ |
| Elastic modulus, Sₓ | 428,000 mm³ | 26.1182 in³ |
| Plastic modulus, Zₓ | 529,000 mm³ | 32.2816 in³ |
| Radius of gyration, rₓ | 65.7 mm | 2.5866 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 | 38,100,000 mm⁴ | 91.5356 in⁴ |
| Elastic modulus, S_y | 428,000 mm³ | 26.1182 in³ |
| Plastic modulus, Z_y | 529,000 mm³ | 32.2816 in³ |
| Radius of gyration, r_y | 65.7 mm | 2.5866 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 64,300,000 mm⁴ | 154.4814 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 75.6 kg/m | 50.8 lb/ft |