J3

C

Mn

Si

S

P

Cr

Ni

Cu

N

原

0.10~0.11

10.05~10.35

0.30~0.60

≤0.01

≤0.05

13.00~13.20

1.15~1.25

0.45~0.55

0.15~0.17

现

0.10~0.11

9.60~10.00

0.30~0.60

≤0.01

≤0.05

13.45~13.65

1.15~1.25

0.50~0.55

0.15~0.17