| Application | Pipe line |
|---|---|
| Grade | B/BN(l245N) X42/X42N(L290N) X46/X46N(L320N) X52/X52N(L360N) |
| Standard | API Spec 5L |
| Certification | Ф168.3～Ф720Х4.0～50 |
WTK OD | ＞159 ～177.8 | ＞177.8 ～219 | ＞219 ～273 | ＞273 ～325 | ＞325 ～356 | ＞356 ～377 | ＞377 ～426 | ＞426 ～508 | ＞508 ～720 |
|---|---|---|---|---|---|---|---|---|---|
| ≥4.0～5.0 | 0 | 0 | 0 | 0 | 0 | ||||
| ＞5.0～7.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| ＞7.0～8.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| ＞8.0～10.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| ＞10.5～13.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| ＞13.0～20.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| ＞20.0～25.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| ＞25.0～30.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| ＞30.0～35.0 | 0 | 0 | 0 | 0 | |||||
| ＞35.0～40.0 | 0 | 0 | 0 |
