S20x66
American standard beams from AISC Shapes Database v16.0. Also designated S510X98.2.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 508 mm | 20 in |
| Flange width, b_f | 159 mm | 6.26 in |
| Web thickness, t_w | 12.8 mm | 0.505 in |
| Flange thickness, t_f | 20.2 mm | 0.795 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 | 2,280,000 mm³ | 139 in³ |
| Radius of gyration, rₓ | 199 mm | 7.83 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 | 11,400,000 mm⁴ | 27.5 in⁴ |
| Elastic modulus, S_y | 144,000 mm³ | 8.78 in³ |
| Plastic modulus, Z_y | 252,000 mm³ | 15.4 in³ |
| Radius of gyration, r_y | 30.2 mm | 1.19 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1,490,000 mm⁴ | 3.58 in⁴ |
| Warping constant, C_w | 6.79000e+11 mm⁶ | 2,530 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 98.2 kg/m | 66 lb/ft |