HS127×6.4
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 | 6.35 mm | 0.25 in |
| Nominal wall thickness | 6.35 mm | 0.25 in |
| Outside diameter | 127 mm | 5 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 4,390,000 mm⁴ | 10.547 in⁴ |
| Elastic modulus, Sₓ | 69,200 mm³ | 4.2228 in³ |
| Plastic modulus, Zₓ | 92,500 mm³ | 5.6447 in³ |
| Radius of gyration, rₓ | 42.7 mm | 1.6811 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 | 4,390,000 mm⁴ | 10.547 in⁴ |
| Elastic modulus, S_y | 69,200 mm³ | 4.2228 in³ |
| Plastic modulus, Z_y | 92,500 mm³ | 5.6447 in³ |
| Radius of gyration, r_y | 42.7 mm | 1.6811 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 8,780,000 mm⁴ | 21.094 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 18.9 kg/m | 12.7 lb/ft |