HA178×127×13
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 | 11.43 mm | 0.45 in |
| Nominal wall thickness | 12.7 mm | 0.5 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 24,700,000 mm⁴ | 59.342 in⁴ |
| Elastic modulus, Sₓ | 278,000 mm³ | 16.9646 in³ |
| Plastic modulus, Zₓ | 350,000 mm³ | 21.3583 in³ |
| Radius of gyration, rₓ | 63.6 mm | 2.5039 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 | 14,500,000 mm⁴ | 34.8364 in⁴ |
| Elastic modulus, S_y | 228,000 mm³ | 13.9134 in³ |
| Plastic modulus, Z_y | 276,000 mm³ | 16.8426 in³ |
| Radius of gyration, r_y | 48.7 mm | 1.9173 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 30,800,000 mm⁴ | 73.9973 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 52.4 kg/m | 35.2 lb/ft |