Annealing |
Quenching |
Tempering |
Normalizing |
Q & T |
√ |
√ |
√ |
√ |
√ |
C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni |
---|---|---|---|---|---|---|
0.50-0.60 | 0.25 | 7.00-9.50 | 0.050 | 0.035 | 19.25-21.50 | 1.50-2.75 |
Mo | Al | Cu | Nb | Ti | V | Ce |
N | Co | Pb | B | Other | trade names | |
0.20-0.40 | 21-2N | |||||
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