規格
|
C
|
B
|
Si
|
Cr
|
Fe
|
Ni
|
HRC
|
Ni25A
|
≤0.2
|
1.0~2.0
|
2.0~3.5
|
5.0~10.0
|
≤4
|
余量
|
20~30
|
Ni25B
|
≤0.2
|
1.0~2.0
|
2.0~3.5
|
5.0~10.0
|
≤10
|
余量
|
20~30
|