
| 表-2站内低温管线按 ASME B31.3计算-A333-6 | |||||
| DN(mm) | 外径 (mm) | 选用壁厚 (mm) (腐蚀余量:3.2mm) | |||
| 10MPa | 11MPa | 12MPa | 13MPa | ||
| 25 | 33.4 | 5 | 5 | 5.6 | 5.6 |
| 50 | 60.3 | 6.3 | 6.3 | 7.1 | 7.1 |
| 100 | 114.3 | 8.8 | 8.8 | 10 | 10 |
| 150 | 168.3 | 11 | 11 | 12.5 | 12.5 |
| 表-1站内管线按ASME B31.3计算-L360CS | |||||
| DN(mm) | 外径 (mm) | 选用壁厚 (mm) (腐蚀余量:3.2mm) | |||
| 10MPa | 11MPa | 12MPa | 13MPa | ||
| 25 | 33.4 | 5 | 5 | 5 | 6.3 |
| 50 | 60.3 | 6.3 | 6.3 | 6.3 | 7.1 |
| 150 | 168.3 | 10 | 10 | 12.5 | 12.5 |
| 200 | 219.1 | 12.5 | 14.2 | 16 | 16 |
| 250 | 273 | 14.2 | 14.2 | 16 | 16 |
| 300 | 323.9 | 16 | 17.5 | 17.5 | 20 |
| 400 | 406.4 | 17.5 | 20 | 22.2 | 22.2 |
| 500 | 508 | 22.2 | 22.2 | 25 | 25 |
| 表-3站外管线按油气集输规范计算-L360CS | |||||
| DN(mm) | 外径 (mm) | 选用壁厚 (mm) (腐蚀余量:3.2mm) | |||
| 10MPa | 11MPa | 12MPa | 13MPa | ||
| 200 | 219.1 | 10 | 10 | 12.5 | 12.5 |
| 250 | 273 | 12.5 | 12.5 | 12.5 | 14.2 |
| 300 | 323.9 | 14.2 | 14.2 | 14.2 | 16 |
| 400 | 406.4 | 17.5 | 17.5 | 17.5 | 20 |
| 500 | 508 | 22.2 | 22.2 | 22.2 | 22.2 |
| 表-4站外弯管母管按油气集输规范计算-L360CS | |||||
| DN(mm) | 外径 (mm) | 选用壁厚 (mm) (腐蚀余量:3.2mm) | |||
| 10MPa | 11MPa | 12MPa | 13MPa | ||
| 200 | 219.1 | 12.5 | 12.5 | 12.5 | 12.5 |
| 250 | 273 | 12.5 | 12.5 | 14.2 | 14.2 |
| 300 | 323.9 | 14.2 | 14.2 | 16 | 17.5 |
| 400 | 406.4 | 17.5 | 17.5 | 20 | 20 |
| 500 | 508 | 22.2 | 22.2 | 22.2 | 25 |
2、焊管的壁厚负偏差按1mm考虑;
3、弯管的壁厚减薄率按8%考虑。
