HSS 18.000x0.500
Round HSS from AISC Shapes Database v16.0. Also designated HSS457.2X12.7.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Design wall thickness | 11.8 mm | 0.465 in |
| Nominal wall thickness | 12.7 mm | 0.5 in |
| Outside diameter | 457 mm | 18 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 410,000,000 mm⁴ | 985 in⁴ |
| Elastic modulus, Sₓ | 1,790,000 mm³ | 109 in³ |
| Plastic modulus, Zₓ | 2,340,000 mm³ | 143 in³ |
| Radius of gyration, rₓ | 157 mm | 6.2 in |
| Distance to top fibre | 228.5 mm | 9 in |
| Distance to bottom fibre | 228.5 mm | 9 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 410,000,000 mm⁴ | 985 in⁴ |
| Elastic modulus, S_y | 1,790,000 mm³ | 109 in³ |
| Plastic modulus, Z_y | 2,340,000 mm³ | 143 in³ |
| Radius of gyration, r_y | 157 mm | 6.2 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 820,000,000 mm⁴ | 1,970 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 139 kg/m | 93.54 lb/ft |