HSS 18x18x1/4
Square HSS from AISC Shapes Database v16.0. Also designated HSS457.2X457.2X6.4.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Height | 457 mm | 18 in |
| Width | 457 mm | 18 in |
| Design wall thickness | 5.92 mm | 0.233 in |
| Nominal wall thickness | 6.35 mm | 0.25 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 358,000,000 mm⁴ | 860 in⁴ |
| Elastic modulus, Sₓ | 1,570,000 mm³ | 95.6 in³ |
| Plastic modulus, Zₓ | 1,790,000 mm³ | 109 in³ |
| Radius of gyration, rₓ | 184 mm | 7.24 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 | 358,000,000 mm⁴ | 860 in⁴ |
| Elastic modulus, S_y | 1,570,000 mm³ | 95.6 in³ |
| Plastic modulus, Z_y | 1,790,000 mm³ | 109 in³ |
| Radius of gyration, r_y | 184 mm | 7.24 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 549,000,000 mm⁴ | 1,320 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 89.1 kg/m | 59.85 lb/ft |