HSS 20x8x1/2
Rectangular HSS from AISC Shapes Database v16.0. Also designated HSS508X203.2X12.7.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Height | 508 mm | 20 in |
| Width | 203 mm | 8 in |
| Design wall thickness | 11.8 mm | 0.465 in |
| Nominal wall thickness | 12.7 mm | 0.5 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 495,000,000 mm⁴ | 1,190 in⁴ |
| Elastic modulus, Sₓ | 1,950,000 mm³ | 119 in³ |
| Plastic modulus, Zₓ | 2,490,000 mm³ | 152 in³ |
| Radius of gyration, rₓ | 177 mm | 6.96 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 | 118,000,000 mm⁴ | 283 in⁴ |
| Elastic modulus, S_y | 1,160,000 mm³ | 70.8 in³ |
| Plastic modulus, Z_y | 1,300,000 mm³ | 79.5 in³ |
| Radius of gyration, r_y | 86.1 mm | 3.39 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 315,000,000 mm⁴ | 757 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 133 kg/m | 89.68 lb/ft |