|
|
c碳 |
si硅 |
mn錳 |
s硫 |
p磷 |
cr鉻 |
ni鎳 |
mo鉬 |
n氮 |
≤0.02 |
≤0.25 |
≤2.00 |
≤0.010 |
≤0.025 |
24.0-26.0 |
20.0-22.0 |
≤0.20 |
≥0.11 |