







1045中碳鋼球
| 1045中碳鋼鋼球化學(xué)成份(S45C) | |
|---|---|
|
C |
0.42%--0.48% |
|
Si |
0.15%--0.35% |
|
Mn |
0.60%--0.90% |
|
P |
0.030% max. |
|
S |
0.035% max. |