|
牌號(hào) |
C |
Mn |
Si |
Cr |
V |
Mo |
Nb |
W |
其他 |
Fe |
硬度（HRC） |
|
MD60A |
5.0-6.0 |
1.0 |
1-2 |
26-35 |
2-3 |
|
|
|
≤5 |
余 |
57～62 |
|
MD62A |
4.5-5.5 |
1.0 |
1-2 |
20-26 |
1-3 |
|
1-4 |
1-3 |
≤5 |
余 |
58～60 |
|
DH611 |
4.0-5.0 |
1-2 |
1-2 |
25-30 |
|
|
|
|
≤5 |
余 |
57～62 |
|
DH621 |
4.0-5.0 |
1-2 |
1-2 |
20-24 |
1-2 |
1-2 |
1-3 |
1-2 |
≤5 |
余 |
59～64 |
|
MD601 |
4.5-5.5 |
0.8-1.5 |
0.8-1.5 |
25-30 |
|
|
|
|
≤5 |
余 |
56～60 |
|
MD611 |
5.5-6.5 |
0.5-1.0 |
0.5-1.0 |
30-38 |
|
|
|
|
≤7 |
余 |
59～62 |
|
MD621 |
5.0-6.0 |
1.0-1.5 |
1.0-1.5 |
20-24 |
1-4 |
2-6 |
2-8 |
1-4 |
≤5 |
余 |
60～66 |
