Gost Bulb Flats
Dimensions: GOST 21937-76
Tolerances: GOST 21937-76
| Size |
b (mm) |
t (mm) |
c (mm) |
r (mm) |
Section (cm²) |
Metric Weight (kg/m) |
dx (cm) |
lxx (cm4) |
Wxx (cm³) |
|---|---|---|---|---|---|---|---|---|---|
| 5 | 50 | 4.0 | 16 | 2.5 | 2.86 | 2.25 | 6.85 | 6.9 | 3.13 |
| 5.5 | 55 | 4.5 | 17 | 3.0 | 3.47 | 2.73 | 10.10 | 9.1 | 3.41 |
| 6 | 60 | 5.0 | 19 | 3.5 | 4.28 | 3.36 | 14.60 | 12.3 | 3.74 |
| 7 | 70 | 5.0 | 21 | 3.5 | 5.07 | 3.98 | 23.80 | 17.1 | 4.40 |
| 8 | 80 | 5.0 | 22 | 4.0 | 5.84 | 4.58 | 35.98 | 22.6 | 5.07 |
| 9 | 90 | 5.5 | 24 | 4.0 | 7.03 | 5.52 | 55.60 | 30.2 | 5.65 |
| 10 | 100 | 6.0 | 26 | 5.0 | 8.63 | 6.76 | 83.45 | 41.2 | 6.29 |
| 12 | 120 | 6.5 | 30 | 5.0 | 11.13 | 8.75 | 157.36 | 63.7 | 7.55 |
| 14a | 140 | 7.0 | 33 | 6.0 | 14.05 | 11.05 | 271.51 | 93.5 | 8.82 |
| 14b | 140 | 9.0 | 35 | 6.0 | 16.85 | 13.23 | 324.11 | 107.7 | 8.53 |
| 16a | 160 | 8.0 | 36 | 7.0 | 17.94 | 14.08 | 452.07 | 134.4 | 9.99 |
| 16b | 160 | 10.0 | 38 | 7.0 | 21.11 | 16.60 | 531.10 | 154.0 | 9.75 |
| 18a | 180 | 9.0 | 40 | 7.0 | 22.18 | 17.41 | 712.53 | 184.3 | 11.13 |
| 18b | 180 | 11.0 | 42 | 7.0 | 25.78 | 20.24 | 823.78 | 207.1 | 10.83 |
| 20a | 200 | 10.0 | 44 | 8.0 | 27.36 | 21.47 | 1083.40 | 251.9 | 12.35 |
| 20b | 200 | 12.0 | 46 | 8.0 | 31.36 | 24.60 | 1236.10 | 280.5 | 12.06 |
| 22a | 220 | 11.0 | 48 | 8.5 | 32.82 | 25.75 | 1574.90 | 330.3 | 13.53 |
| 22b | 220 | 13.0 | 50 | 8.5 | 37.22 | 29.20 | 1777.30 | 363.0 | 13.20 |
| 24a | 240 | 12.0 | 52 | 9.0 | 38.75 | 30.42 | 2217.00 | 423.3 | 14.71 |
| 26b | 240 | 14.0 | 54 | 9.0 | 43.55 | 34.18 | 2478.80 | 463.7 | 14.41 |