合金牌号

硬度

Hardness

合金成分% 

Ni

Cr

Si

B

Fe

Cu

Mo

C

KJ-Ni15

15 HRC

BAL

1.8

1.2

1

22

0.1

KJ-Ni20

20 HRC

BAL

2.3

1.25

1.25

0.1

KJ-Ni25A

25 HRC

BAL

2.3

1.75

1.25

0.1

KJ-Ni 25

25 HRC

BAL

3.5

1.5

8

0.2

KJ-Ni 35

35 HRC

BAL

10.5

3.5

2

10

0.3

KJ-Ni 45

45 HRC

BAL

12

4

2.4

10

Mn:0.1

0.45

KJ-Ni 55

55 HRC

BAL

15.5

4

3

14

3

0.75

KJ-Ni 60

59 HRC

BAL

15.5

4

3.5

15

0.8

KJ-Ni 62

61 HRC

BAL

15.5

3.8

4

14

W:10.5

1