HA178×127×9.5
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 | 8.58 mm | 0.337795 in |
| Nominal wall thickness | 9.53 mm | 0.375197 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 20,100,000 mm⁴ | 48.2904 in⁴ |
| Elastic modulus, Sₓ | 226,000 mm³ | 13.7914 in³ |
| Plastic modulus, Zₓ | 279,000 mm³ | 17.0256 in³ |
| Radius of gyration, rₓ | 65.1 mm | 2.563 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 | 11,900,000 mm⁴ | 28.5899 in⁴ |
| Elastic modulus, S_y | 187,000 mm³ | 11.4114 in³ |
| Plastic modulus, Z_y | 221,000 mm³ | 13.4862 in³ |
| Radius of gyration, r_y | 50 mm | 1.9685 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 24,600,000 mm⁴ | 59.1017 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 40.9 kg/m | 27.5 lb/ft |