德国 · DIN
1.0565
DIN 17178:1986 — Welded circular tuber of fine grain steels for special requirements; technical delivery conditions
化学成分
wt% · 对数刻度- min – max 范围
- 典型值
力学性能
按热处理状态分组高温 / 低温性能
性能随温度变化- 焊接钢管 > 20 <= 40 mm · 屈服强度 Rp0.2
- 焊接钢管 <= 20 mm · 屈服强度 Rp0.2
化学成分
| 元素 | min | max | 相似 | 备注 |
|---|---|---|---|---|
| Al | 0.02 | If nitrogen is additionally fixed by niobium | If nitrogen is additionally fixed by niobium | |
| C | 0.2 | |||
| 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+Ti+V | 0.12 | |||
| Ni | 0.3 | The value for Nickel may be at max0 | The value for Nickel may be at max0 | |
| P | 0.035 | |||
| S | 0.03 | |||
| 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 |
|---|---|---|---|---|---|---|
| 焊接钢管 12 < d <= 20 mm (横向) | ≥355 | 490–630 | ≥20 | ≥31 ISO V-Notch acc. to DIN 50115 | ||
| 焊接钢管 12 < d <= 20 mm (纵向) | ≥355 | 490–630 | ≥22 | ≥55 ISO V-Notch acc. to DIN 50115 | ||
| 焊接钢管 20 < d <= 40 mm (横向) | ≥345 | 490–630 | ≥20 | ≥31 ISO V-Notch acc. to DIN 50115 | ||
| 焊接钢管 20 < d <= 40 mm (纵向) | ≥345 | 490–630 | ≥22 | ≥55 ISO V-Notch acc. to DIN 50115 | ||
| 焊接钢管 t <= 12 mm (横向) | ≥355 | 490–630 | ≥20 | ≥31 ISO V-Notch acc. to DIN 50115 | ||
| 焊接钢管 t <= 12 mm (纵向) | ≥355 | 490–630 | ≥22 | ≥55 ISO V-Notch acc. to DIN 50115 |
高/低温力学性能
| 热处理 / 状态 | 温度 ℃ | 近似 |
|---|---|---|
| 焊接钢管 > 20 <= 40 mm | 400 | 167 |
| 焊接钢管 > 20 <= 40 mm | 350 | 196 |
| 焊接钢管 > 20 <= 40 mm | 300 | 216 |
| 焊接钢管 > 20 <= 40 mm | 250 | 235 |
| 焊接钢管 > 20 <= 40 mm | 200 | 255 |
| 焊接钢管 > 20 <= 40 mm | 150 | 275 |
| 焊接钢管 > 20 <= 40 mm | 100 | 294 |
| 焊接钢管 <= 20 mm | 400 | 167 |
| 焊接钢管 <= 20 mm | 350 | 196 |
| 焊接钢管 <= 20 mm | 300 | 216 |
| 焊接钢管 <= 20 mm | 250 | 235 |
| 焊接钢管 <= 20 mm | 200 | 255 |
| 焊接钢管 <= 20 mm | 150 | 284 |
| 焊接钢管 <= 20 mm | 100 | 304 |