Annealing |
Quenching |
Tempering |
Normalizing |
Q & T |
√ |
√ |
√ |
√ |
√ |
| Element | Weight % |
| C | 0.78-0.88 |
| Mn | 0.15-0.40 |
| Si | 0.20-0.50 |
| Cr | 3.50-4.00 |
| Ni | 0.3 |
| Mo | 8.20-9.20 |
| W | 1.40-2.10 |
| V | 1.00-1.35 |
| Cu | 0.25 |
| P | 0.03 |
| S | 0.03 |
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