YD350 |
≤0.20 |
|
|
0.8~1.1 |
|
0.3~0.5 |
|
HRC :32~35 |
连铸辊的堆焊。 |
YD351 |
≤0.20 |
|
|
1.1~1.5 |
|
0.3~0.5 |
|
HRC :38~42 |
连铸辊的堆焊。 |