语言
| 三、冷镦钢合金钢系列化学成分 | |||||||||||
| 牌号 | 化学成分(%) | 执行标准 | |||||||||
| C | Si | Mn | P | S | Cr | Mo | Ni | Cu | 其它 | ||
| SCM415 | 0.13~0.18 | 0.15~0.35 | 0.60~0.90 | ≤0.030 | ≤0.030 | 0.90~1.20 | 0.15~0.25 | ≤0.25 | _ | _ | JIS G4053 |
| SCM420 | 0.18~0.23 | 0.15~0.35 | 0.60~0.90 | ≤0.030 | ≤0.030 | 0.90~1.20 | 0.15~0.25 | ≤0.25 | _ | _ | |
| SCM435 | 0.33~0.38 | 0.15~0.35 | 0.60~0.90 | ≤0.030 | ≤0.030 | 0.90~1.20 | 0.15~0.30 | _ | _ | _ | |
| SCM440 | 0.38~0.43 | 0.15~0.30 | 0.60~0.90 | ≤0.030 | ≤0.030 | 0.90~1.20 | 0.15~0.30 | _ | _ | _ | |
| ML35CrMo | 0.33~0.38 | 0.10~0.30 | 0.60~0.90 | ≤0.025 | ≤0.025 | 0.90~1.20 | 0.15~0.30 | _ | _ | _ | GB/T6478 |
| ML20Cr | 0.18~0.23 | 0.10~0.30 | 0.60~0.90 | ≤0.035 | ≤0.035 | 0.90~1.20 | _ | _ | _ | Al≥0.02 | |
| ML40Cr | 0.38~0.43 | 0.10~0.30 | 0.60~0.90 | ≤0.025 | ≤0.025 | 0.90~1.20 | _ | _ | _ | _ | |
| 20CrMo | 0.17~0.24 | 0.17~0.37 | 0.40~0.70 | ≤0.030 | ≤0.030 | 0.80~1.10 | 0.15~0.25 | ≤0.30 | ≤0.30 | _ | GB/T 3077 |
| 42CrMo | 0.38~0.45 | 0.17~0.37 | 0.50~0.80 | ≤0.030 | ≤0.030 | 0.90~1.20 | 0.15~0.25 | ≤0.30 | ≤0.30 | _ | |
| 20CrMnTi | 0.17~0.23 | 0.17~0.37 | 0.80~1.10 | ≤0.020 | ≤0.020 | 1.00~1.30 | ≤0.10 | ≤0.30 | ≤0.30 | Ti:0.04~0.10 | |
| 20CrNiMo | 0.17~0.23 | 0.17~0.37 | 0.60~0.95 | ≤0.030 | ≤0.030 | 0.4~0.70 | 0.20~0.30 | 0.35~0.75 | ≤0.20 | ||
| 20CrMnMo | 0.17~0.23 | 0.17~0.37 | 0.90~1.20 | ≤0.030 | ≤0.030 | 1.10~1.40 | 0.20~0.30 | ≤0.30 | ≤0.30 | ||
| ❉如有特殊牌号,可定制! | |||||||||||