HSS 20x6x1/4
Rectangular HSS from AISC Shapes Database v16.0. Also designated HSS508X152.4X6.4.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Height | 508 mm | 20 in |
| Width | 152 mm | 6 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 | 229,000,000 mm⁴ | 549 in⁴ |
| Elastic modulus, Sₓ | 900,000 mm³ | 54.9 in³ |
| Plastic modulus, Zₓ | 1,160,000 mm³ | 70.7 in³ |
| Radius of gyration, rₓ | 173 mm | 6.83 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 | 34,500,000 mm⁴ | 82.9 in⁴ |
| Elastic modulus, S_y | 452,000 mm³ | 27.6 in³ |
| Plastic modulus, Z_y | 492,000 mm³ | 30 in³ |
| Radius of gyration, r_y | 67.6 mm | 2.66 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 99,900,000 mm⁴ | 240 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 63.8 kg/m | 42.84 lb/ft |