Mae'r deunyddiau a ddefnyddir ar gyfer pibellau dur di -dor casin olew API 5ct wedi'u rhannu'n bennaf yn wahanol raddau, gyda'r mwyaf cyffredinL80, J55, a N80. Mae pibellau dur di -dor yn cynnig oes gwasanaeth hir a gallant gynnal eu perfformiad o dan amodau eithafol, gan fodloni gofynion pwysau uchel - ac amgylcheddau tymheredd uchel - yn y diwydiant olew a nwy.
Manyleb casin di -dor
| Diamedr y tu allan | Pwysau Enwol | Trwch wal | Math Gradd a Chysylltiad* | ||||||||
| yn. | mm | lb/ft | kg/m | yn. | mm | J55 K55 |
M65 | L80 C95 |
N80 | C90 T95 |
P110 |
| 4-1/2 | 114.30 | 9.50 | 14.14 | 0.205 | 5.21 | Ps | Ps | - | - | - | - |
| 10.50 | 15.63 | 0.224 | 5.69 | PSB | PSB | - | - | - | - | ||
| 11.60 | 17.26 | 0.250 | 6.35 | PSLB | PLB | PLB | PLB | PLB | PLB | ||
| 13.50 | 20.09 | 0.290 | 7.37 | - | PLB | PLB | PLB | PLB | PLB | ||
| 15.10 | 22.47 | 0.337 | 8.56 | - | - | - | - | - | PLB | ||
| 5 | 127.00 | 11.50 | 17.11 | 0.220 | 5.59 | Ps | Ps | - | - | - | - |
| 13 | 19.35 | 0.253 | 6.43 | Psl | PSLB | - | - | - | - | ||
| 15.00 | 22.32 | 0.296 | 7.52 | PSLB | PLB | PSLB | PSLB | PSLB | PSLB | ||
| 18.00 | 26.79 | 0.362 | 9.19 | - | PLB | PSLB | PSLB | PSLB | PSLB | ||
| 21.40 | 31.85 | 0.437 | 11.10 | - | PLB | PLB | PLB | PLB | PLB | ||
| 23.20 | 34.53 | 0.478 | 12.14 | - | - | PLB | PLB | PLB | PLB | ||
| 24.10 | 35.86 | 0.500 | 12.70 | - | - | PLB | PLB | PLB | PLB | ||
| 5-1/2 | 139.70 | 14.00 | 20.83 | 0.244 | 6.20 | Ps | Ps | - | - | - | - |
| 15.50 | 23.07 | 0.275 | 6.98 | PSLB | PSLB | - | - | - | - | ||
| 17.00 | 25.30 | 0.304 | 7.72 | PSLB | PLB | PSLB | PSLB | PLB | PSLB | ||
| 20.00 | 29.76 | 0.361 | 9.17 | - | PLB | PSLB | PSLB | PLB | PSLB | ||
| 23.00 | 34.23 | 0.415 | 10.54 | - | PLB | PSLB | PSLB | PLB | PSLB | ||
| 6-5/8 | 168.28 | 20.00 | 29.76 | 0.288 | 7.32 | PSLB | PSLB | - | - | - | - |
| 24.00 | 35.72 | 0.352 | 8.94 | PSLB | PLB | PSLB | PSLB | PSLB | PSLB | ||
| 28.00 | 41.67 | 0.417 | 10.59 | - | PLB | PSLB | PSLB | PSLB | PSLB | ||
| 32.00 | 47.62 | 0.475 | 12.06 | - | - | PSLB | PSLB | PSLB | PSLB | ||
| 7 | 177.80 | 20.00 | 29.76 | 0.272 | 6.91 | Ps | Ps | - | - | - | - |
| 23.00 | 34.23 | 0.317 | 8.05 | PSLB | PLB | PSLB | PSLB | PLB | - | ||
| 26.00 | 38.69 | 0.362 | 9.19 | PSLB | PLB | PSLB | PSLB | PLB | PSLB | ||
| 29.00 | 43.16 | 0.408 | 10.36 | - | PLB | PSLB | PSLB | PLB | PSLB | ||
| 32.00 | 47.62 | 0.453 | 11.51 | - | PLB | PSLB | PSLB | PLB | PSLB | ||
| 35.00 | 52.13 | 0.498 | 12.65 | - | - | PSLB | PSLB | PLB | PSLB | ||
| 38.00 | 56.60 | 0.540 | 13.72 | - | - | PSLB | PSLB | PLB | PSLB | ||
| 7-5/8 | 193.68 | 26.40 | 39.29 | 0.328 | 8.33 | PSLB | PSLB | PLB | PLB | PLB | - |
| 29.70 | 44.20 | 0.375 | 9.52 | - | PLB | PLB | PLB | PLB | PLB | ||
| 33.70 | 50.15 | 0.430 | 10.92 | - | PLB | PLB | PLB | PLB | PLB | ||
| 39.00 | 58.05 | 0.500 | 12.70 | - | - | PLB | PLB | PLB | PLB | ||
| 42.80 | 63.69 | 0.562 | 14.27 | - | - | PLB | PLB | PLB | PLB | ||
| 45.30 | 67.41 | 0.595 | 15.11 | - | - | PLB | PLB | PLB | PLB | ||
| 47.10 | 70.09 | 0.625 | 15.88 | - | - | PLB | PLB | PLB | PLB | ||
| 8-5/8 | 219.08 | 24.00 | 36.75 | 0.264 | 6.71 | Ps | Ps | - | - | - | - |
| 28.00 | 41.67 | 0.304 | 7.72 | - | Ps | - | - | - | - | ||
| 32.00 | 47.66 | 0.352 | 8.94 | PSLB | PSLB | - | - | - | - | ||
| 36.00 | 53.62 | 0.400 | 10.16 | PSLB | PSLB | PLB | PLB | PLB | - | ||
| 40.00 | 59.58 | 0.450 | 11.43 | - | PLB | PLB | PLB | PLB | PLB | ||
| 44.00 | 65.54 | 0.500 | 12.70 | - | - | PLB | PLB | PLB | PLB | ||
| 49.00 | 72.99 | 0.557 | 14.15 | - | - | PLB | PLB | PLB | PLB | ||
| 9-5/8 | 244.48 | 36.00 | 53.57 | 0.352 | 8.94 | PSLB | PSLB | - | - | - | - |
| 40.00 | 59.53 | 0.395 | 10.03 | PSLB | PSLB | PLB | PLB | PLB | - | ||
| 43.50 | 64.73 | 0.435 | 11.05 | - | PLB | PLB | PLB | PLB | PLB | ||
| 47.00 | 69.94 | 0.472 | 11.99 | - | PLB | PLB | PLB | PLB | PLB | ||
| 53.50 | 79.62 | 0.545 | 13.84 | - | - | PLB | PLB | PLB | PLB | ||
| 58.40 | 86.91 | 0.595 | 15.11 | - | - | PLB | PLB | PLB | PLB | ||
| 10-3/4 | 273.05 | 40.50 | 60.32 | 0.350 | 8.89 | PSB | PSB | PLB | PLB | PLB | PLB |
| 45.50 | 67.78 | 0.400 | 10.16 | PSB | PSB | - | - | - | - | ||
| 51.00 | 75.96 | 0.450 | 11.43 | PSB | PSB | PSB | PSB | PSB | PSB | ||
| 55.50 | 72.67 | 0.495 | 12.57 | - | PSB | PSB | PSB | PSB | PSB | ||
| 60.70 | 90.41 | 0.545 | 13.84 | - | - | - | - | PSB | PSB | ||
| 65.70 | 97.86 | 0.595 | 15.11 | - | - | - | - | PSB | PSB | ||
| 13-3/8 | 339.70 | 54.50 | 81.18 | 0.380 | 9.65 | PSB | PSB | - | - | PSB | PSB |
| 61.00 | 90.86 | 0.430 | 10.92 | PSB | PSB | - | - | - | - | ||
| 68.00 | 101.29 | 0.480 | 12.19 | PSB | PSB | PSB | PSB | PSB | PSB | ||
| 72.00 | 107.24 | 0.514 | 13.06 | - | - | - | - | PSB | PSB | ||
| 20 | 508.00 | 94.00 | 139.89 | 0.438 | 11.13 | Slb | Slb | - | - | - | - |
| 106.50 | 158.49 | 0.500 | 12.70 | Slb | Slb | - | - | - | - | ||
| 133.00 | 197.93 | 0.635 | 16.13 | Slb | - | - | - | - | - | ||
