Cov ntaub ntawv siv rau API 5CT roj txawm Seamless steel kav yog feem ntau muab faib ua cov qib sib txawv, nrog feem ntau yogL80, J55, thiab N80. Seamless steel kav pub lub neej kev pabcuam ntev thiab tuaj yeem tswj hwm lawv qhov kev ua tau zoo nyob rau hauv siab {{{{}}}} qhov chaw ib puag ncig hauv cov roj thiab roj kev lag luam.
Seamless Caseing specification
| Sab nraud ntawm lub taub | Nominal ceeb thawj | Phab Ntsa Thickness | Qib thiab Kev Sib Txuas Hom * | ||||||||
| nyob rau hauv. | lub hli | lb / ft | kg / m | nyob rau hauv. | lub hli | J55 K55 |
M65 | L80 C95 |
N80 | C90 T95 |
P110 |
| 4-1/2 | 114.30 | 9.50 | 14.14 | 0.205 | 5.21 | Naj luam | Naj luam | - | - | - | - |
| 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 | Naj luam | Naj luam | - | - | - | - |
| 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 | Naj luam | Naj luam | - | - | - | - |
| 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 | Naj luam | Naj luam | - | - | - | - |
| 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 | Naj luam | Naj luam | - | - | - | - |
| 28.00 | 41.67 | 0.304 | 7.72 | - | Naj luam | - | - | - | - | ||
| 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 | Rab phom | Rab phom | - | - | - | - |
| 106.50 | 158.49 | 0.500 | 12.70 | Rab phom | Rab phom | - | - | - | - | ||
| 133.00 | 197.93 | 0.635 | 16.13 | Rab phom | - | - | - | - | - | ||
