HS178×178×16
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 | 15.88 mm | 0.625197 in |
| Nominal wall thickness | 15.88 mm | 0.625197 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 40,600,000 mm⁴ | 97.5419 in⁴ |
| Elastic modulus, Sₓ | 457,000 mm³ | 27.8879 in³ |
| Plastic modulus, Zₓ | 571,000 mm³ | 34.8446 in³ |
| Radius of gyration, rₓ | 64.9 mm | 2.5551 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 | 40,600,000 mm⁴ | 97.5419 in⁴ |
| Elastic modulus, S_y | 457,000 mm³ | 27.8879 in³ |
| Plastic modulus, Z_y | 571,000 mm³ | 34.8446 in³ |
| Radius of gyration, r_y | 64.9 mm | 2.5551 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 69,300,000 mm⁴ | 166.4939 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 75.6 kg/m | 50.8 lb/ft |