钢材编号
STEEL GRADE |
出厂硬度
HARDNESS IN SUPPLY |
主要成分 ANALYSIS(%)
|
|||||||
C
|
Cr
|
Mn
|
Mo
|
Si
|
V
|
W
|
Co
|
||
S390
|
HB280
|
1.6
|
4.8
|
0
|
2.0
|
0
|
5.0
|
10.5
|
8.0
|