芬兰 · SFS
PSL2 Grade L450MO
SFS EN ISO 3183 — Petroleum and natural gas industries-Steel pipe for pipeline transportation systems(ISO 3183:2012)
化学成分
wt% · 对数刻度- min – max 范围
- 典型值
力学性能
按热处理状态分组化学成分
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| Al | 0.06 | Al total | ||
| B | 0.0005 | |||
| C | 0.12 | For each reduction of 0.01% below the specified max. for C | ||
| CE Pcm | 0.22 | Product analysis C≤0.12% | ||
| Cr | 0.5 | |||
| Cu | 0.5 | |||
| Mn | 1.65 | |||
| Mo | 0.5 | |||
| N | 0.012 | Al/N≥2:1;Not applicable to titannium-killed or titanium-treated steel. | ||
| Nb | 0.08 | |||
| Nb+Ti+V | 0.15 | |||
| Ni | 0.5 | |||
| P | 0.02 | |||
| S | 0.01 | |||
| Si | 0.45 | |||
| Ti | 0.06 | |||
| 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 |
|---|---|---|---|---|---|---|
| 无缝焊接钢管;d ＞ 323.90 mm 热机械轧制和热机械成型 | 450–570 Rp0.5 | 535–760 Rp0.5/Rm ratio min.0.93 |