HSS 18.000x0.250
Round HSS from AISC Shapes Database v16.0. Also designated HSS457.2X6.4.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Design wall thickness | 5.92 mm | 0.233 in |
| Nominal wall thickness | 6.35 mm | 0.25 in |
| Outside diameter | 457 mm | 18 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 213,000,000 mm⁴ | 512 in⁴ |
| Elastic modulus, Sₓ | 932,000 mm³ | 56.9 in³ |
| Plastic modulus, Zₓ | 1,200,000 mm³ | 73.4 in³ |
| Radius of gyration, rₓ | 160 mm | 6.28 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 | 213,000,000 mm⁴ | 512 in⁴ |
| Elastic modulus, S_y | 932,000 mm³ | 56.9 in³ |
| Plastic modulus, Z_y | 1,200,000 mm³ | 73.4 in³ |
| Radius of gyration, r_y | 160 mm | 6.28 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 425,000,000 mm⁴ | 1,020 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 70.6 kg/m | 47.44 lb/ft |