HS406×25
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 | 25.4 mm | 1 in |
| Nominal wall thickness | 25.4 mm | 1 in |
| Outside diameter | 406.4 mm | 16 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 554,000,000 mm⁴ | 1,330.99 in⁴ |
| Elastic modulus, Sₓ | 2,730,000 mm³ | 166.5948 in³ |
| Plastic modulus, Zₓ | 3,690,000 mm³ | 225.1776 in³ |
| Radius of gyration, rₓ | 135 mm | 5.315 in |
| Distance to top fibre | 203.2 mm | 8 in |
| Distance to bottom fibre | 203.2 mm | 8 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 554,000,000 mm⁴ | 1,330.99 in⁴ |
| Elastic modulus, S_y | 2,730,000 mm³ | 166.5948 in³ |
| Plastic modulus, Z_y | 3,690,000 mm³ | 225.1776 in³ |
| Radius of gyration, r_y | 135 mm | 5.315 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1.11000e+9 mm⁴ | 2,666.786 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 239 kg/m | 160 lb/ft |