| BLADE HEIGHT mm. | BLADE THICKNESS mm. | ||
| 80 | 4.5 | ||
| 90 | 4.5 – 5 | ||
| 100 | 4.5 – 5 | ||
| 110 | 5 | ||
| 120 | 4.5 – 5 | ||
| 130 | 5 |
| CHEMICAL ANALYSIS FE 70 | |||
| Min. | Max. | ||
| C. | Carbon | 0.71 | 0.74 |
| Mn | Manganese | 0.80 | 0.90 |
| Yup | Silicon | 0.15 | 0.25 |
| P. | Phosphorus | 0.020 | |
| S. | Sulfur | 0.020 | |
| Cr | Chrome | 0.25 | 0.30 |
| Cu | Copper | 0.40 | |
| Ni | Nickel | 0.20 | |
| Sn | Pond | 0.020 | |
| MECHANICAL CHARACTERISTICS | |||
| Min. | Max. | ||
| Yield N / mm2 | 750 | ||
| Breaking N / mm2 | 900 | 1100 | |
| Elongation A% | Less than 10% | ||