HA127×102×7.9
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 | 127 mm | 5 in |
| Width | 101.6 mm | 4 in |
| Design wall thickness | 7.15 mm | 0.281496 in |
| Nominal wall thickness | 7.94 mm | 0.312598 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 6,420,000 mm⁴ | 15.4241 in⁴ |
| Elastic modulus, Sₓ | 101,000 mm³ | 6.1634 in³ |
| Plastic modulus, Zₓ | 124,000 mm³ | 7.5669 in³ |
| Radius of gyration, rₓ | 46.8 mm | 1.8425 in |
| Distance to top fibre | 63.5 mm | 2.5 in |
| Distance to bottom fibre | 63.5 mm | 2.5 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 4,530,000 mm⁴ | 10.8834 in⁴ |
| Elastic modulus, S_y | 89,200 mm³ | 5.4433 in³ |
| Plastic modulus, Z_y | 107,000 mm³ | 6.5295 in³ |
| Radius of gyration, r_y | 39.3 mm | 1.5472 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 8,780,000 mm⁴ | 21.094 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 25.2 kg/m | 17 lb/ft |