HS178×127×9.5
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 | 9.53 mm | 0.375197 in |
| Nominal wall thickness | 9.53 mm | 0.375197 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 21,700,000 mm⁴ | 52.1345 in⁴ |
| Elastic modulus, Sₓ | 244,000 mm³ | 14.8898 in³ |
| Plastic modulus, Zₓ | 303,000 mm³ | 18.4902 in³ |
| Radius of gyration, rₓ | 64.6 mm | 2.5433 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 | 12,800,000 mm⁴ | 30.7521 in⁴ |
| Elastic modulus, S_y | 202,000 mm³ | 12.3268 in³ |
| Plastic modulus, Z_y | 240,000 mm³ | 14.6457 in³ |
| Radius of gyration, r_y | 49.6 mm | 1.9528 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 26,800,000 mm⁴ | 64.3873 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 40.9 kg/m | 27.5 lb/ft |