HA178×127×4.8
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 | 4.3 mm | 0.169291 in |
| Nominal wall thickness | 4.78 mm | 0.188189 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 11,300,000 mm⁴ | 27.1484 in⁴ |
| Elastic modulus, Sₓ | 127,000 mm³ | 7.75 in³ |
| Plastic modulus, Zₓ | 152,000 mm³ | 9.2756 in³ |
| Radius of gyration, rₓ | 67.3 mm | 2.6496 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 | 6,760,000 mm⁴ | 16.241 in⁴ |
| Elastic modulus, S_y | 106,000 mm³ | 6.4685 in³ |
| Plastic modulus, Z_y | 121,000 mm³ | 7.3839 in³ |
| Radius of gyration, r_y | 52 mm | 2.0472 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 13,400,000 mm⁴ | 32.1936 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 21.7 kg/m | 14.6 lb/ft |