Nickel Chrome Molybdenum alloy steel, it has high mechanical characteristics and excellent toughness due to its hardening capacity. Excellent fatigue and repeated impact behavior.
It is mainly used for parts requiring high characteristics and absence of deformation after treatment.
| Annealed | Traité du Ø3 au Ø16 | Traité du Ø16 au Ø40 | |
| Rm Mpa | 1230/1380 | 1230/1380 | |
| Rp0,2 Mpa | ≥ 1030 | ≥ 1030 | |
| A % | ≥ 8 | ≥ 8 | |
| Hardness Hb | ≤ 295 | 363/415 | 363/415 |
| Resilience daj/cm2 | ≥ 5 | ≥ 5 |
| C | Si | Mn | S | P | Cr | Ni | Mo |
|
0,30 0,40 |
0,15 0,40 |
0,30 0,60 |
≤ 0,020 |
≤ 0,025 |
1,60 2,00 |
3,50 4,20 |
0,25 0,60 |
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