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| Diameter(mm) | Sectional area (cm2) | Theoretical Weight (kg/m) | Diameter(mm) | Sectional area (cm2) | Theoretical Weight (kg/m) | |
| 6 | 0.2827 | 0.222 | 67 | 35.26 | 27.7 | |
| 6.3 | 0.3117 | 0.245 | 68 | 36.32 | 28.5 | |
| 6.5 | 0.3318 | 0.260 | 70 | 38.48 | 30.2 | |
| 7 | 0.3848 | 0.302 | 75 | 44.18 | 34.7 | |
| 7.5 | 0.4418 | 0.347 | 80 | 50.27 | 39.5 | |
| 8 | 0.5027 | 0.395 | 85 | 56.75 | 44.5 | |
| 8.5 | 0.5675 | 0.445 | 90 | 63.62 | 49.9 |