Annealing |
Quenching |
Tempering |
Normalizing |
Q & T |
√ |
√ |
√ |
√ |
√ |
C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni |
---|---|---|---|---|---|---|
0.25-0.31 | 0.6-0.9 | 0.04 | 0.05 | |||
Mo | Al | Cu | Nb | Ti | V | Ce |
N | Co | Pb | B | Other | ||
3 ; 4 | ||||||
Si≤0.1%, 0.1-0.2%,0.2-0.4%,0.3-0.6%
Cu≤0.2%
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