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牌號
Grade

化學成分 Chemical composition, %

C

Si

Mn

Cr

Mo

V

W

Nb

Ni

P

S

10

0.07
~0.14

0.17
~0.37

0.35
~0.65

-

-

-

-

-

-

≤0.030

≤0.030

20

0.17
~0.24

0.17
~0.37

0.35
~0.65

-

-

-

-

-

-

≤0.030

≤0.030

16Mn

0.12
~0.20

0.20
~0.60

1.20
~1.60

-

-

-

-

-

-

≤0.030

≤0.030

15MnV

0.12
~0.18

0.20
~0.60

1.20
~1.60

-

-

0.04
~0.12

-

-

-

≤0.030

≤0.030

10MoWVNb

0.07
~0.13

0.50
~0.80

0.50
~0.80

-

0.60
~0.90

0.30
~0.50

0.50
~0.90

0.06
~0.12

-

≤0.030

≤0.030

12CrMo

0.08
~0.15

0.17
~0.37

0.40
~0.70

0.40
~0.70

0.40
~0.55

≤0.030

≤0.030

15CrMo

0.12
~0.18

0.17
~0.37

0.40
~0.70

0.80
~1.10

0.40
~0.55

-

-

-

-

≤0.030

≤0.030

1Cr5Mo

≤ 0.15

≤ 0.50

≤ 0.60

4.00
~6.00

0.40
~0.60

-

-

-

≤ 0.60

≤0.030

≤0.030

12Cr2Mo

0.08
~0.15

≤ 0.50

0.40
~0.70

2.0
~2.50

0.90
~1.20

-

-

-

-

≤0.030

≤0.030

12SiMoVNb

0.08
~0.14

0.50
~0.80

0.60
~0.90

-

0.90
~1.10

0.30
~0.50

-

0.04
~0.08

-

≤0.030

≤0.030

牌號
Grade

抗拉強度
Tensile strength, Mpa

屈服點
Yield point, Mpa

延伸率
Elongation min, %

10

335
~490

205

24

20

410
~550

245

24

16Mn

490
~670

320

21

15MnV

510
~690

350

19

12CrMo

410
~560

205

21

15CrMo

440
~640

235

21