HA127×7.9
Round 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 |
|---|---|---|
| Design wall thickness | 7.15 mm | 0.281496 in |
| Nominal wall thickness | 7.94 mm | 0.312598 in |
| Outside diameter | 127 mm | 5 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 4,850,000 mm⁴ | 11.6522 in⁴ |
| Elastic modulus, Sₓ | 76,400 mm³ | 4.6622 in³ |
| Plastic modulus, Zₓ | 103,000 mm³ | 6.2854 in³ |
| Radius of gyration, rₓ | 42.4 mm | 1.6693 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 | 4,850,000 mm⁴ | 11.6522 in⁴ |
| Elastic modulus, S_y | 76,400 mm³ | 4.6622 in³ |
| Plastic modulus, Z_y | 103,000 mm³ | 6.2854 in³ |
| Radius of gyration, r_y | 42.4 mm | 1.6693 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 9,700,000 mm⁴ | 23.3043 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 23.3 kg/m | 15.7 lb/ft |