HSS 20x16x1/4
Rectangular HSS from AISC Shapes Database v16.0. Also designated HSS508X406.4X6.4.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Height | 508 mm | 20 in |
| Width | 406 mm | 16 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 | 416,000,000 mm⁴ | 1,000 in⁴ |
| Elastic modulus, Sₓ | 1,640,000 mm³ | 100 in³ |
| Plastic modulus, Zₓ | 1,920,000 mm³ | 117 in³ |
| Radius of gyration, rₓ | 199 mm | 7.82 in |
| Distance to top fibre | 254 mm | 10 in |
| Distance to bottom fibre | 254 mm | 10 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 298,000,000 mm⁴ | 716 in⁴ |
| Elastic modulus, S_y | 1,470,000 mm³ | 89.5 in³ |
| Plastic modulus, Z_y | 1,640,000 mm³ | 100 in³ |
| Radius of gyration, r_y | 168 mm | 6.6 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 533,000,000 mm⁴ | 1,280 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 89.1 kg/m | 59.85 lb/ft |