试样 | 各合金元素及其质量分数/% | |||||||
C | Si | Mn | P | S | Cr | Mo | Ni | |
材料标准 | 0.25~0.30 | 0.30~0.80 | 0.60~0.90 | ≤0.030 | ≤0.030 | 0.35~0.85 | 0.35~0.55 | 0.40~0.80 |
大钩钩体 | 0.32 | 0.45 | 0.71 | 0.014 | 0.012 | 0.97 | 0.24 | 0.05 |