C碳
|
Si硅
|
Mn錳
|
S硫
|
P磷
|
Cr鉻
|
Ni鎳
|
Cu銅
|
W鎢
|
Mo鉬
|
0.90
|
0.30
|
1.20
|
0.21
|
0.12
|
0.50
|
0.25
|
0.25
|
0.50
|
0.13
|