德国 · DIN
1.0488
DIN EN 10216-3:2004 — 压力钢 - 交货技术条件 - 第3部分：合金细晶粒钢管无缝钢管
化学成分
| 元素 | min | max | 相似 | 备注 |
|---|---|---|---|---|
| Al | 0.02 | Al/N=>2;If nitrogen is fixed by Nb | Al/N=>2;If nitrogen is fixed by Nb | |
| C | 0.16 | |||
| Cr | 0.3 | |||
| Cr+Cu+Mo | 0.45 | |||
| Cu | 0.3 | In order to facilitate subsequent forming operation | In order to facilitate subsequent forming operation | |
| Mn | 0.5 | 1.5 | ||
| Mo | 0.08 | |||
| N | 0.02 | |||
| Nb | 0.05 | |||
| Nb+V+Ti | 0.05 | |||
| Ni | 0.5 | |||
| P | 0.025 | |||
| S | 0.02 | |||
| Si | 0.4 | |||
| Ti | 0.04 | |||
| V | 0.05 |
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 |
|---|---|---|---|---|---|---|
| Seamless tubes 正火(N) 12 < T <= 20 mm (t - 壁厚) | ≥275 屈服强度为上屈服强度 | 390–530 | ≥24 Long. | |||
| Seamless tubes 正火(N) 20 < T <= 40 mm (t - 壁厚) | ≥275 屈服强度为上屈服强度 | 390–510 | ≥24 Long. | |||
| Seamless tubes 正火(N) 40 < T <= 50 mm (t - 壁厚) | ≥265 屈服强度为上屈服强度 | 390–510 | ≥24 Long. | |||
| Seamless tubes 正火(N) 40 < T <= 65 mm (t - 壁厚) | ≥43 KV (20°C)；≥39 KV (0°C)；≥35 KV (-10°C)；≥31 KV (-20°C)；≥27 KV (-30°C)；≥65 KV (20°C)；≥60 KV (0°C)；≥53 KV (-10°C)；≥47 KV (-20°C)；≥40 KV (-30°C) | |||||
| Seamless tubes 正火(N) 50 < T <= 65 mm (t - 壁厚) | ≥255 屈服强度为上屈服强度 | 390–530 | ≥24 Long. | |||
| Seamless tubes 正火(N) 65 < T <= 80 mm (t - 壁厚) | ≥245 屈服强度为上屈服强度 | 360–480 | ≥24 Long. | |||
| Seamless tubes 正火(N) 80 < T <= 100 mm (t - 壁厚) | ≥235 屈服强度为上屈服强度 | 360–480 | ≥24 Long. | |||
| Seamless tubes 正火(N) T <= 12 mm (t - 壁厚) | ≥275 屈服强度为上屈服强度 | 390–530 | ≥24 Long. | |||
| Seamless tubes 正火(N) T <= 40 mm (t - 壁厚) | ≥47 KV (20°C)；≥43 KV (0°C)；≥39 KV (-10°C)；≥35 KV (-20°C)；≥31 KV (-30°C)；≥27 KV (-40°C)；≥70 KV (20°C)；≥65 KV (0°C)；≥60 KV (-10°C)；≥53 KV (-20°C)；≥47 KV (-30°C)；≥40 KV (-40°C) |
高/低温力学性能
| 热处理 / 状态 | 温度 ℃ | min | 备注 |
|---|---|---|---|
| Seamless tubes 正火(N) 40 < T <= 65 mm (t - 壁厚) | -10 | 35 | KV |
| Seamless tubes 正火(N) 40 < T <= 65 mm (t - 壁厚) | -20 | 31 | KV |
| Seamless tubes 正火(N) 40 < T <= 65 mm (t - 壁厚) | -30 | 27 | KV |
| Seamless tubes 正火(N) 40 < T <= 65 mm (t - 壁厚) | -10 | 53 | KV |
| Seamless tubes 正火(N) 40 < T <= 65 mm (t - 壁厚) | -20 | 47 | KV |
| Seamless tubes 正火(N) 40 < T <= 65 mm (t - 壁厚) | -30 | 40 | KV |
| Seamless tubes 正火(N) T <= 40 mm (t - 壁厚) | -10 | 39 | KV |
| Seamless tubes 正火(N) T <= 40 mm (t - 壁厚) | -20 | 35 | KV |
| Seamless tubes 正火(N) T <= 40 mm (t - 壁厚) | -30 | 31 | KV |
| Seamless tubes 正火(N) T <= 40 mm (t - 壁厚) | -40 | 27 | KV |
| Seamless tubes 正火(N) T <= 40 mm (t - 壁厚) | -10 | 60 | KV |
| Seamless tubes 正火(N) T <= 40 mm (t - 壁厚) | -20 | 53 | KV |
| Seamless tubes 正火(N) T <= 40 mm (t - 壁厚) | -30 | 47 | KV |
| Seamless tubes 正火(N) T <= 40 mm (t - 壁厚) | -40 | 40 | KV |