18918739921
名稱 |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
Cu |
ASTM |
≤0.02 |
≤1.00 |
≤2.00 |
≤0.045 |
≤0.035 |
19.00~23.00 |
23.00~28.00 |
4.0~5.0 |
1.00~2.00 |