Technical Parameter:
| Hardness of tempering | HB260-320 |
| Nitriding hardness | HV950-1000 |
| Nitriding depth | 0.5-0.8mm |
| Alloy hardness | HRC58-65 |
| Alloy depth | 2.5-3mm |
| Nitriding brittleness | ≤ grade 1 |
| Surface roughness | Ra0.4 |
| Straightness | 0.015mm |
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