HS127×127×7.9
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 | 127 mm | 5 in |
| Width | 127 mm | 5 in |
| Design wall thickness | 7.94 mm | 0.312598 in |
| Nominal wall thickness | 7.94 mm | 0.312598 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 8,350,000 mm⁴ | 20.061 in⁴ |
| Elastic modulus, Sₓ | 131,000 mm³ | 7.9941 in³ |
| Plastic modulus, Zₓ | 159,000 mm³ | 9.7028 in³ |
| Radius of gyration, rₓ | 48 mm | 1.8898 in |
| Distance to top fibre | 63.5 mm | 2.5 in |
| Distance to bottom fibre | 63.5 mm | 2.5 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 8,350,000 mm⁴ | 20.061 in⁴ |
| Elastic modulus, S_y | 131,000 mm³ | 7.9941 in³ |
| Plastic modulus, Z_y | 159,000 mm³ | 9.7028 in³ |
| Radius of gyration, r_y | 48 mm | 1.8898 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 13,800,000 mm⁴ | 33.1546 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 28.4 kg/m | 19.1 lb/ft |