英国 · B.S.
PSL2 Grade X52NO
BS EN ISO 3183 — Petroleum and natural gas industries-Steel pipes for pipeline transportation systems(ISO 3183:2012)
化学成分
| 元素 | min | max | 相似 | 备注 |
|---|---|---|---|---|
| Al | 0.06 | Al total | Al total | |
| C | 0.16 | For each reduction of 0.01% below the specified max. for C | For each reduction of 0.01% below the specified max. for C | |
| CE Pcm | 0.22 | Product analysis C<=0.12% | Product analysis C<=0.12% | |
| CEV | 0.43 | Seamless pipe with t>20.00mm | Seamless pipe with t>20.00mm | |
| Mn | 1.65 | |||
| N | 0.012 | Al/N =>2:1;Not applicable to titanium-killed or titanium-treated steel. | Al/N =>2:1;Not applicable to titanium-killed or titanium-treated steel. | |
| Nb | 0.05 | |||
| Nb+Ti+V | 0.15 | |||
| P | 0.02 | |||
| S | 0.01 | |||
| Si | 0.45 | |||
| Ti | 0.04 | |||
| 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 正火轧制,正火成型,正火或正火或回火 d > 323.90mm d-直径 | 360–525 Rp0.5 | 460–760 Rp0.5/Rm ratio min. 0.93 |