化學成分:
C碳 | Si硅 | Cr鉻 | Mn錳 | Mo鉬 | Co鈷 | W鎢 | V礬 | P磷 | S硫 |
1.05-1.15 | ≤0.70 | 3.50-4.50 | ≤0.40 | 9.0-10.0 | 7.75-8.50 | 1.20-1.90 | 1.20-1.90 | ≤0.030 | ≤0.030 |
性能及應用: