C | Si | Mn | P | S | Cr | Ni | Mo |
Cu |
0.17~0.23 | 0.15~0.35 | 0.70~1.00 | ≤0.030 | ≤0.030 | 0.9~1.2 | ≤0.25 | 0.15~0.30 | ≤0.030 |
抗拉强度
|
屈服强度
|
断面伸长率
|
断面收缩率
|
冲击功
|
≥1175
|
≥885
|
≥10
|
≥45
|
≥55
|
|
|
C | Si | Mn | P | S | Cr | Ni | Mo |
Cu |
0.17~0.23 | 0.15~0.35 | 0.70~1.00 | ≤0.030 | ≤0.030 | 0.9~1.2 | ≤0.25 | 0.15~0.30 | ≤0.030 |
抗拉强度
|
屈服强度
|
断面伸长率
|
断面收缩率
|
冲击功
|
≥1175
|
≥885
|
≥10
|
≥45
|
≥55
|