的化学成分为:
C ≤0.080
Si 0.30~0.65
Mn 1.0~2.50
S ≤0.030
P ≤0.030
Cr 19.50~22.0
Ni 9.0~11.0
Mo ≤0.75
Cu ≤0.75
的化学成分为:
C ≤0.080
Si 0.30~0.65
Mn 1.0~2.50
S ≤0.030
P ≤0.030
Cr 19.50~22.0
Ni 9.0~11.0
Mo ≤0.75
Cu ≤0.75
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