德国 · DIN
1.0566
WB 354/3:2009 — Weldable fine grain steels with a minimum yield strength of 355 MPa
化学成分
| 元素 | min | max | 相似 | 备注 |
|---|---|---|---|---|
| C | 0.18 | |||
| Cr | 0.3 | |||
| Cr+Cu+Mo | 0.45 | |||
| Cu | 0.2 | |||
| Mn | 0.9 | 1.65 | ||
| Mo | 0.08 | |||
| N | 0.02 | |||
| Nb | 0.05 | |||
| Nb+V | 0.12 | |||
| Ni | 0.3 | Ni is added as an alloying element | Ni is added as an alloying element | |
| P | 0.025 | |||
| S | 0.015 | |||
| Si | 0.1 | 0.5 | ||
| V | 0.1 |
力学性能
| 热处理 / 状态 | 屈服强度 | 抗拉强度 | 伸长率 | 断面收缩率 | 冲击功 | 硬度 |
|---|---|---|---|---|---|---|
| 棒材,锻件;100 < t-厚度 ≤ 250 mm 淬火及回火(QT) | ReH | For longitudinal direction;A = min.21% for transverse | ||||
| 棒材,锻件;16 < t-厚度 ≤ 35 mm | ReH | For longitudinal direction;A = min.21% for transverse | ||||
| 棒材,锻件;250 < t-厚度 ≤ 400 mm 淬火及回火(QT) | ReH | For longitudinal direction;A = min.21% for transverse | ||||
| 棒材,锻件;35 < t-厚度 ≤ 70 mm | ReH | For longitudinal direction;A = min.21% for transverse | ||||
| 棒材,锻件;70 < t-厚度 ≤ 100 mm 淬火及回火(QT) | ReH | For longitudinal direction;A = min.21% for transverse | ||||
| 棒材,锻件;t-厚度 ≤ 16 mm | ReH | For longitudinal direction;A = min.21% for transverse | ||||
| 棒材,锻件;t-厚度 ≤ 400 mm 淬火及回火(QT) | Impact value = min.40J/for transverse and tangential direction;Average value of 3 specimens;KV;纵向 | |||||
| 棒材,锻件;t-厚度 ≤ 70 mm 正火(N) | Impact value = min.40J/for transverse and tangential direction;Average value of 3 specimens;KV;纵向 |
高/低温力学性能
| 热处理 / 状态 | 温度 ℃ | min | 备注 |
|---|---|---|---|
| 棒材,锻件;t-厚度 ≤ 400 mm 正火(+N) | 0 | 55 | |
| 棒材,锻件;t-厚度 ≤ 400 mm 正火(+N) | -20 | 47 | Impact value = min.40J/for transverse and tangential direction;Average value of 3 specimens;KV;纵向 |
| 棒材,锻件;t-厚度 ≤ 400 mm 正火(+N) | -10 | 39 | Impact value = min.40J/for transverse and tangential direction;Average value of 3 specimens;KV;纵向 |
| 棒材,锻件;t-厚度 ≤ 70 mm 正火(+N) | 0 | 55 | |
| 棒材,锻件;t-厚度 ≤ 70 mm 正火(+N) | -20 | 47 | Impact value = min.40J/for transverse and tangential direction;Average value of 3 specimens;KV;纵向 |
| 棒材,锻件;t-厚度 ≤ 70 mm 正火(+N) | -40 | 39 | Impact value = min.40J/for transverse and tangential direction;Average value of 3 specimens;KV;纵向 |