
| 合金工具钢的钢号与化学成分(质量分数) | |||||||||
| 钢号 | 材料号 | C | Si | Mn | P | S | Cr | Mo | V |
| W-Nr | ≤ | ≤ | |||||||
| 90CrSi5 | 1.2249 | 0.40~0.50 | 1.30~1.60 | 0.60~0.80 | 0.035 | 0.035 | 1.30~1.60 | _ | _ |
| 125CrSi5 | 1.2203 | 0.90~1.10 | 0.15~0.30 | 0.60~0.80 | 0.035 | 0.035 | 1.30~1.60 | _ | _ |
| 105MnCr4 | 1.2305 | 0.98~1.05 | 0.50~0.65 | 1.00~1.20 | 0.035 | 0.035 | _ | _ | |
| 200CrMn8 | 1.2307 | 0.26~0.34 | 0.15~0.35 | 0.80~1.10 | 0.035 | 0.035 | 1.90~2.20 | _ | _ |
| 21MnCr5 | 1.2311 | 0.35~0.45 | 0.20~0.40 | 1.10~1.40 | 0.03 | 0.03 | 1.00~0.30 | _ | _ |
| X165CrV12 | 1.2312 | 0.35~0.45 | 0.30~0.50 | 0.20~0.40 | 0.035 | 0.035 | 11.0~12.00 | _ | 0.07~0.12 |
| 140CrV1 | 1.2316 | 0.33~0.43 | ≤1.00 | 0.25~0.40 | 0.025 | 0.025 | 1.60~1.90 | _ | 0.10~0.15 |
| 31CrV3 | 1.2319 | 0.60~0.70 | 0.30~0.50 | 0.40~0.60 | 0.03 | 0.03 | 1.70~1.90 | ||
