化學成分
%
| C
| Mn
| Si
| Cr
| Mo
| Cu
| Ni
| Cb
| Ti
| Al
| P
| S
|
Min
| 0.005
|
|
| 19.5
| 3.0
| 1.5
| 50
| 3.5
| 0.5
| 0.01
|
|
|
Max
| 0.03
| 1.0
| 0.5
| 22.5
| 4.0
| 3.0
| 55
| 4.5
| 2.5
| 0.7
| 0.3
| 0.3 |
面議
面議
面議
面議
面議