Annealing |
Quenching |
Tempering |
Normalizing |
Q & T |
√ |
√ |
√ |
√ |
√ |
|
C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni |
|---|---|---|---|---|---|---|
| 0.030 | 1.00 | 1.00 | 0.040 | 0.030 | 28.0-30.0 | 2.00-4.50 |
| Mo | Al | Cu | Nb | Ti | V | Ce |
| 3.60-4.20 | ||||||
| N | Co | Pb | B | Other | ||
| ≤0.045 | Nb/Ta≥6*(C+N) | |||||
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Related steel grade search:28-4C+Cb