规定外径D Specified outside diameter | 规定壁厚t mm Specified thickness | 最低试验压力 |
钢 级 |
in | mm | L210 (A) | L245 (B) | L290 (X42) | L320 (X46) | L360 (X52) | L390 (X56) | L415 (X60) | L450 (X65) | L485 (X70) | L555 (X80) |
22 | 559.0 | 6.0 9.0 12.0 14.0 19.1 22.2 25.4 28.6 | 2.7 4.1 5.4 6.3 8.6 10.0 11.5 12.9 | 3.2 4.7 6.3 7.4 10.0 11.7 13.4 15.0 | 5.6 8.4 11.2 13.1 17.8 20.7 20.7 20.7 | 6.2 9.3 12.4 14.4 19.7 20.7 20.7 20.7 | 7.0 10.4 13.9 16.2 20.7 20.7 20.7 20.7 | 7.5 11.3 15.1 17.6 20.7 20.7 20.7 20.7 | 8.0 12.0 16.0 18.7 20.7 20.7 20.7 20.7 | 8.7 13.0 17.4 20.3 20.7 20.7 20.7 20.7 | 9.4 14.1 18.7 20.7 20.7 20.7 20.7 20.7 | 10.7 16.1 20.7 20.7 20.7 20.7 20.7 20.7 |
24 | 610.0 | 6.0 9.0 12.0 14.0 19.1 25.4 28.6 34.9 41.3 | 2.5 3.7 5.0 5.8 7.9 10.5 11.8 14.4 17.1 | 2.9 4.3 5.8 6.8 9.1 12.0 13.6 15.6 19.9 | 5.1 7.7 10.3 12.0 16.3 20.7 20.7 20.7 20.7 | 5.7 8.5 11.3 13.2 17.9 20.7 20.7 20.7 | 6.4 9.6 12.7 14.9 20.2 20.7 20.7 20.7 | 6.9 10.4 13.8 16.1 20.7 20.7 20.7 20.7 | 7.3 11.0 14.7 17.1 20.7 20.7 20.7 | 8.0 12.0 15.9 18.6 20.7 20.7 20.7 | 8.6 12.9 17.2 20.0 20.7 20.7 20.7 | 9.8 14.7 19.7 20.7 20.7 20.7 20.7 |
| (630.0) | 6.2 9.0 12.0 16.0 19.1 25.4 28.6 34.9 41.3 | 2.4 3.6 1.8 6.4 7.6 10.2 11.4 14.0 16.5 | 2.8 4.2 5.6 7.5 8.9 11.9 13.3 16.3 19.3 | 5.0 7.5 9.9 13.3 15.8 20.7 20.7 20.7 20.7 | 5.5 8.2 11.1 14.6 17.5 20.7 20.7 20.7 | 6.2 9.3 12.3 16.5 19.6 20.7 20.7 20.7 | 6.7 10.0 13.4 17.8 20.7 20.7 20.7 | 7.1 10.7 14.2 19.0 20.7 20.7 20.7 | 7.7 11.6 15.4 20.6 20.7 20.7 20.7 | 8.3 12.5 16.6 20.7 20.7 20.7 20.7 | 9.3 14.3 19.0 20.7 20.7 20.7 20.7 |
26 | 660.0 | 6.0 9.0 12.0 14.0 16.0 19.1 25.4 28.6 34.9 41.3 | 2.3 3.4 4.6 5.4 6.1 7.3 9.7 10.9 13.3 15.8 | 2.7 4.0 5.4 6.2 7.1 8.5 11.3 12.7 15.5 18.4 | 4.7 7.1 9.5 11.1 12.6 15.1 20.1 20.7 20.7 20.7 | 5.2 7.9 10.4 12.2 13.9 16.7 20.7 20.7 20.7 20.7 | 5.9 8.8 11.8 13.8 15.6 18.8 20.7 20.7 20.7 | 6.4 9.6 12.8 14.9 16.9 20.3 20.7 20.7 | 6.8 10.2 13.6 15.8 18.0 20.7 20.7 20.7 | 7.4 11.0 14.7 17.2 19.5 20.7 20.7 20.7 | 7.9 11.9 15.9 18.5 20.7 20.7 20.7 20.7 | 9.1 13.6 18.2 20.7 20.7 20.7 20.7 20.7 |
28 | 711.0 | 6.0 9.0 12.0 16.0 19.1 25.4 28.6 34.9 41.3 | 2.1 3.2 4.3 5.7 6.8 9.0 10.1 12.4 14.6 | 2.5 3.7 5.0 6.6 7.9 10.5 11.8 14.4 17.1 | 4.4 6.6 8.8 11.8 14.0 18.6 20.7 20.7 20.7 | 4.9 7.3 9.7 13.0 15.5 20.6 20.7 20.7 20.7 | 5.5 8.2 10.9 14.6 17.4 20.7 20.7 20.7 | 5.9 8.9 11.8 15.8 18.9 20.7 20.7 | 6.3 9.5 12.6 16.8 20.1 20.7 20.7 | 6.8 10.6 13.7 18.2 20.7 20.7 20.7 | 7.4 11.1 14.7 19.6 20.7 20.7 20.7 | 8.4 12.6 16.9 20.7 20.7 20.7 20.7 |
| (720.0) | 6.0 9.0 12.0 16.0 19.1 25.4 18.6 34.9 41.3 | 2.1 3.2 4.2 5.6 6.7 8.9 10.0 12.2 14.5 | 2.5 3.7 4.9 6.5 7.8 10.4 11.7 14.3 16.9 | 4.4 6.5 8.7 11.6 13.8 18.4 20.7 20.7 20.7 | 4.8 7.2 9.6 12.8 15.3 20.3 20.7 20.7 20.7 | 5.4 8.1 10.8 14.4 17.2 20.7 20.7 20.7 | 5.9 8.8 11.7 15.6 18.6 20.7 20.7 | 6.2 9.3 12.5 16.6 19.8 20.7 20.7 | 6.8 10.1 13.5 18.0 20.7 20.7 20.7 | 7.3 10.9 14.6 19.4 20.7 20.7 20.7 | 8.3 12.5 16.7 20.7 20.7 20.7 20.7 |