Annealing |
Quenching |
Tempering |
Normalizing |
Q & T |
√ |
√ |
√ |
√ |
√ |
C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni |
---|---|---|---|---|---|---|
0.015 | 0.55 | 0.50 | 0.020 | 0.005 | 28.0-29.0 | 3.0-4.0 |
Mo | Al | Cu | Nb | Ti | V | Ce |
1.80-2.50 |
Nb≥12*(C+N) (Nb 0.15-0.50) |
|||||
N | Co | Pb | B | Other | ||
(C+N)≤0.030 | ||||||
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