Annealing |
Quenching |
Tempering |
Normalizing |
Q & T |
√ |
√ |
√ |
√ |
√ |
|
C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni |
|---|---|---|---|---|---|---|
| 0.17 | 0.3 | 0.7 | 0.025 | 0.025 | 2.1-2.5 | |
| Mo | Al | Cu | Nb | Ti | V | Ce |
| N | Co | Pb | B | Other | ||
| -70 ℃ | ||||||
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