一、牌号本质与成分设计
| C | 0.90%~1.05% | 基础硬度保障 |
| W | 0.80%~1.20% | 耐磨核心(形成WC硬质相) |
| Cr | 0.50%~1.00% | 淬透性+耐磨辅助 |
| V | 0.10%~0.30% | 细化晶粒,防过热 |
| Mn | 0.80%~1.10% | 脱氧+淬透性 |
| Si | ≤0.40% | 强化铁素体 |
| P/S | ≤0.025% | **优质钢纯净度要求 |
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| C | 0.90%~1.05% | 基础硬度保障 |
| W | 0.80%~1.20% | 耐磨核心(形成WC硬质相) |
| Cr | 0.50%~1.00% | 淬透性+耐磨辅助 |
| V | 0.10%~0.30% | 细化晶粒,防过热 |
| Mn | 0.80%~1.10% | 脱氧+淬透性 |
| Si | ≤0.40% | 强化铁素体 |
| P/S | ≤0.025% | **优质钢纯净度要求 |