HSS 20x4x1/4
Rectangular HSS from AISC Shapes Database v16.0. Also designated HSS508X101.6X6.4.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Height | 508 mm | 20 in |
| Width | 102 mm | 4 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 | 191,000,000 mm⁴ | 458 in⁴ |
| Elastic modulus, Sₓ | 751,000 mm³ | 45.8 in³ |
| Plastic modulus, Zₓ | 1,010,000 mm³ | 61.5 in³ |
| Radius of gyration, rₓ | 165 mm | 6.5 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 | 14,300,000 mm⁴ | 34.3 in⁴ |
| Elastic modulus, S_y | 280,000 mm³ | 17.1 in³ |
| Plastic modulus, Z_y | 306,000 mm³ | 18.7 in³ |
| Radius of gyration, r_y | 45.2 mm | 1.78 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 46,200,000 mm⁴ | 111 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 58.7 kg/m | 39.43 lb/ft |