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牌號

化學成份

C

Si

Mn

P

S

Cr

Mo

Ni

Nb+Ti

10

0.17-0.14

0.17-0.37

0.35-0.65

≤0.035

≤0.035

≤0.15

/

≤0.25

/

20

0.17-0.24

0.17-0.37

0.35-0.65

≤0.035

≤0.035

≤0.25

/

≤0.25

/

12CrMo

0.08-0.15

0.17-0.37

0.40-0.70

≤0.035

≤0.035

0.40-0.70

0.40-0.55

≤0.30

/

15CrMo

0.12-0.18

0.17-0.37

0.40-0.70

≤0.035

≤0.035

0.80-1.10

0.40-0.55

≤0.30

/

1Cr2Mo

≤ 0.15

0.50-1.00

0.30-0.60

≤0.035

≤0.030

2.15-2.85

0.45-0.65

/

/

1Cr19Ni9

0.04-0.10

≤ 1.00

≤ 2.00

≤0.035

≤0.030

18.00-20.00

/

8.00-11.00

/

1Cr19Ni11Nb

0.04-0.10

≤ 1.00

≤ 2.00

≤0.035

≤0.030

17.00-20.00

/

9.00-13.00

≥8C-1.00