HS127×7.9
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 | 7.94 mm | 0.312598 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 | 5,290,000 mm⁴ | 12.7093 in⁴ |
| Elastic modulus, Sₓ | 83,200 mm³ | 5.0772 in³ |
| Plastic modulus, Zₓ | 113,000 mm³ | 6.8957 in³ |
| Radius of gyration, rₓ | 42.2 mm | 1.6614 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 | 5,290,000 mm⁴ | 12.7093 in⁴ |
| Elastic modulus, S_y | 83,200 mm³ | 5.0772 in³ |
| Plastic modulus, Z_y | 113,000 mm³ | 6.8957 in³ |
| Radius of gyration, r_y | 42.2 mm | 1.6614 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 10,600,000 mm⁴ | 25.4666 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 23.3 kg/m | 15.7 lb/ft |