2022/10/20
编号 |
牌号 |
化学成份(%) |
机械性能 |
|||||||||||
C |
Si |
Mn |
Cr |
Mo |
Ni |
Cu |
V |
RE |
S |
P |
冲击韧性 |
硬度 |
||
(J/cm) |
HRC |
|||||||||||||
1 |
KMHJ1# |
2-3.0 |
≤1.0 |
≤1.0 |
7.0-1.0 |
0.8-1.5 |
0.5-1.5 |
0.5-1.2 |
|
0.2-0.6 |
≤0.06 |
≤0.10 |
≥8 |
>50 |
2 |
KMHJ2# |
2-3.0 |
≤1.0 |
≤1.0 |
12-16 |
1.2-2.0 |
0.5-1.5 |
0.5-1.5 |
|
0.2-0.6 |
≤0.06 |
≤0.10 |
≥5 |
>56 |
3 |
KMHJ3# |
2-3.0 |
≤1.0 |
≤1.0 |
18-22 |
1.0-2.0 |
1.0-2.0 |
0.8-2.0 |
|
0.2-0.6 |
≤0.06 |
≤0.10 |
≥3 |
>60 |
4 |
KMHJ4# |
2.4-3.4 |
≤1.0 |
≤1.0 |
25-30 |
1.0-2.0 |
|
0.8-2.0 |
0.2-0.4 |
0.2-0.6 |
≤0.06 |
≤0.10 |
≥3 |
>60 |
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