|
kb960
|
0.7
|
7.0
|
1.5
|
1.6
|
1.0
|
-
|
3.0
|
-
|
v
|
52-58
|
|
kb988
|
3.5
|
22.5
|
1.5
|
1.2
|
0.5
|
-
|
5.0
|
<0.5
|
-
|
60-65
|
|
kb987
|
3.5
|
22.5
|
1.5
|
1.2
|
0.5
|
-
|
-
|
-
|
-
|
58-63
|
|
型號(hào)
|
C
|
Cr
|
Mn
|
Si
|
Mo
|
Ni
|
W
|
Nb
|
其他
|
硬度HRC
|
|
kb980
|
3.0
|
20.0
|
1.5
|
0.8
|
-
|
1.0
|
-
|
-
|
-
|
50-58
|
|
kb937
|
0.3
|
3.2
|
-
|
-
|
-
|
-
|
7.2
|
-
|
-
|
48-53
|
|
kb190
|
3.8
|
27.0
|
1.8
|
1.2
|
0.8
|
-
|
-
|
-
|
-
|
56-61
|
|
kb950
|
0.45
|
5.5
|
1.3
|
0.3
|
1.0
|
0.3
|
-
|
-
|
V
|
47-51
|
|
kb914
|
0.45
|
4.0
|
14.0
|
-
|
-
|
1.1
|
-
|
-
|
-
|
35-38
|
|
kb902
|
0.15
|
0.2
|
2.8
|
-
|
0.1
|
-
|
-
|
- |