HS178×127×13
Rectangular 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 | 127 mm | 5 in |
| Design wall thickness | 12.7 mm | 0.5 in |
| Nominal wall thickness | 12.7 mm | 0.5 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 26,400,000 mm⁴ | 63.4263 in⁴ |
| Elastic modulus, Sₓ | 297,000 mm³ | 18.1241 in³ |
| Plastic modulus, Zₓ | 378,000 mm³ | 23.067 in³ |
| Radius of gyration, rₓ | 62.9 mm | 2.4764 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 | 15,500,000 mm⁴ | 37.2389 in⁴ |
| Elastic modulus, S_y | 244,000 mm³ | 14.8898 in³ |
| Plastic modulus, Z_y | 298,000 mm³ | 18.1851 in³ |
| Radius of gyration, r_y | 48.1 mm | 1.8937 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 33,300,000 mm⁴ | 80.0036 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 52.4 kg/m | 35.2 lb/ft |