API 5CT L80 steel pipes are supplied with threaded and coupled connections, available in plain end, round thread without or with coupling, buttress thread with or without coupling, etc. The size range is 114.35.21-50816.13 mm, including thread types such as BTC, LTC, STC, etc. The chemical composition requires sulfur and phosphorus content to be less than 0.030% each, and must pass flattening test, tensile test, and hydrostatic test. Defects such as folds and cracks are prohibited on both internal and external surfaces of the casing. Threaded ends are equipped with protectors, and surface treatment adopts spray painting process.
Specification
|
Product Name |
CASING & TUBING |
|
Connection |
Used for low pressure liquid delivery, such as water, gas, and oil. Oil drilling and machinery manufacturing, etc. |
|
Product |
API 5CT Tubing |
|
Diameter |
1.9" - 4-1/2" |
|
Steel Grade |
J55/ K55, N80-1, N80Q, L80,C90, T95, P110 |
|
Ends |
PE, STC, LTC, BTC, EU,IEU, VAM,VAM Top, New VAM |
|
Product |
API 5CT Casing |
|
Diameter |
4-1/2" -20" |
|
Steel Grade |
J55/ K55, N80-1, N80Q, L80,C90, T95, P110 |
|
Ends |
PE, STC, LTC, BTC, EU,IEU, VAM,VAM Top, New VAM |
|
Product |
API 5DP Drill Pipe |
|
Diameter |
2-3/8" - 6-5/8" |
|
Steel Grade |
E75, X95, G105, S135 |
Composition Standard of API-5CT L80 Casing Pipe
| Grade | C≤ | Si≤ | Mn≤ | P≤ | S≤ | Cr≤ | Ni≤ | Cu≤ | Als≤ |
| API 5CT L80 | 0.15-0.22 | 1.00 | 0.25-1.00 | 0.020 | 0.010 | 12.0-14.0 | 0.20 | 0.20 | 0.020 |
Carbon Steel API 5CT GR. L80 Pipes Mechanical Analysis
| Steel Grade | Yield Strength (Mpa) | Tensile Strength (Mpa) |
| API 5CT L80 | 552-655 | ≥655 |
API 5CT GR.L80 Pipe Dimension Tolerance
| Types of steel tubes | Outer Diameter | Wall Thickness | |
| Cold-rolled tubes | Tube sizes(mm) | Tolerances(mm) | Tolerances(mm) |
| ＜114.3 | ±0.79 | －12.5％ | |
API 5CT L80 Carbon Steel Line Pipes Dimensions
| Size | Weight | Outside Diameter | Wall Thickness | End Finish | ||||||
| Grade | ||||||||||
| in | mm | in | mm | J55K55 | L80 | N80 | C90T95 | P110 | ||
| 4 1/2 | 9.50 | 4.500 | 114.3 | 0.205 | 5.21 | PS | – | – | – | – |
| 10.50 | 0.224 | 5.69 | PSB | – | – | – | – | |||
| 11.60 | 0.250 | 6.35 | PSLB | PLB | PLB | PLB | PLB | |||
| 13.50 | 0.290 | 7.37 | – | PLB | PLB | PLB | PLB | |||
| 15.10 | 0.337 | 9.56 | – | – | – | – | PLB | |||
| 5 | 11.50 | 5.00 | 127.00 | 0.220 | 5.59 | PS | – | – | – | – |
| 13.00 | 0.253 | 6.43 | PSLB | – | – | – | – | |||
| 15.00 | 0.296 | 7.52 | PSLB | PLB | PLB | PLBE | PLB | |||
| 18.00 | 0.362 | 9.19 | – | PLB | PLB | PLBE | PLB | |||
| 21.40 | 0.437 | 11.10 | – | PLB | PLB | PLB | PLB | |||
| 23.20 | 0.478 | 12.14 | – | PLB | ||||||
| 24.10 | 0.500 | 12.70 | – | PLB | ||||||
| 5 1/2 | 14.00 | 5.500 | 139.7 | 0.244 | 6.20 | PS | – | – | – | – |
| 15.50 | 0.275 | 6.98 | PSLB | – | – | – | – | |||
| 17.00 | 0.304 | 7.72 | PSLB | PLB | PLB | PLBE | PLB | |||
| 20.00 | 0.361 | 9.17 | – | PLB | PLB | PLBE | PLB | |||
| 23.00 | 0.415 | 10.54 | – | PLB | PLB | PLBE | PLB | |||
| 6 5/8 | 20.00 | 6.625 | 168.28 | 0.288 | 7.32 | PSLB | – | – | – | – |
| 24.00 | 0.352 | 8.94 | PSLB | PLB | PLB | PLBE | PLB | |||
| 28.00 | 0.417 | 10.59 | – | PLB | PLB | PLBE | PLB | |||
| 32.00 | 0.475 | 12.06 | – | PLB | PLB | PLBE | PLB | |||
| 7 | 17.00 | 7.00 | 177.80 | 0.231 | 5.87 | – | – | – | – | – |
| 20.00 | 0.272 | 6.91 | PS | – | – | – | – | |||
| 23.00 | 0.317 | 8.05 | PSLB | PLB | PLB | PLBE | – | |||
| 26.00 | 0.362 | 9.19 | PSLB | PLB | PLB | PLBE | PLB | |||
| 29.00 | 0.408 | 10.36 | – | PLB | PLB | PLBE | PLB | |||
| 32.00 | 0.453 | 11.51 | – | PLB | PLB | PLBE | PLB | |||
| 35.00 | 0.498 | 12.65 | – | PLB | PLB | PLBE | PLB | |||
| 38.00 | 0.540 | 13.72 | – | PLB | PLB | PLBE | PLB | |||
| 7 5/8 | 24.00 | 7.625 | 193.68 | 0.300 | 7.62 | – | – | – | – | – |
| 26.40 | 0.328 | 8.33 | PSLB | PLB | PLB | PLBE | PLB | |||
| 29.70 | 0.375 | 9.52 | – | PLB | PLB | PLBE | PLB | |||
| 33.70 | 0.430 | 10.92 | – | PLB | PLB | PLBE | PLB | |||
| 39.00 | 0.500 | 12.70 | – | PLB | PLB | PLBE | PLB | |||
| 42.80 | 0.562 | 14.27 | – | PLB | PLB | PLB | PLB | |||
| 45.30 | 0.595 | 15.11 | – | PLB | PLB | PLB | PLB | |||
| 47.10 | 0.625 | 15.88 | – | PLB | PLB | PLB | PLB | |||
| 8 5/8 | 24.00 | 8.625 | 219.08 | 0.264 | 6.71 | PS | – | – | – | – |
| 28.00 | 0.304 | 7.72 | – | – | – | – | – | |||
| 32.00 | 0.352 | 8.94 | PSLB | – | – | – | – | |||
| 36.00 | 0.400 | 10.16 | PSLB | PLB | PLB | PLBE | PLB | |||
| 40.00 | 0.450 | 11.43 | – | PLB | PLB | PLBE | PLB | |||
| 44.00 | 0.500 | 12.70 | – | PLB | PLB | PLBE | PLB | |||
| 49.00 | 0.557 | 14.15 | – | PLB | PLB | PLBE | PLB | |||
| 9 5/8 | 32.30 | 9.625 | 244.48 | 0.312 | 7.92 | – | – | – | – | – |
| 36.00 | 0.352 | 8.94 | PSLB | – | – | – | – | |||
| 40.00 | 0.395 | 10.03 | PSLB | PLB | PLB | PLBE | – | |||
| 43.50 | 0.435 | 11.05 | – | PLB | PLB | PLBE | PLB | |||
| 47.00 | 0.472 | 11.99 | – | PLB | PLB | PLBE | PLB | |||
| 53.50 | 0.545 | 13.84 | – | PLB | PLB | PLBE | PLB | |||
| 58.40 | 0.595 | 15.11 | – | PLB | PLB | PLB | PLB | |||
| 10 3/4 | 32.75 | 10.75 | 273.05 | 0.279 | 7.09 | – | – | – | – | – |
| 40.50 | 0.350 | 8.89 | PSB | – | – | – | – | |||
| 15.50 | 0.400 | 10.16 | PSB | – | – | – | – | |||
| 51.00 | 0.450 | 11.43 | PSB | PSB | PSB | PSBE | PSB | |||
| 55.50 | 0.495 | 12.57 | – | PSB | PSB | PSBE | PSB | |||
| 60.70 | 0.545 | 13.84 | – | – | – | PSBE | PSB | |||
| 65.70 | 0.595 | 15.11 | – | – | – | PSB | PSB | |||
| 13 3/8 | 48.00 | 13.375 | 339.73 | 0.330 | 8.38 | – | – | – | – | – |
| 54.50 | 0.380 | 9.65 | PSB | – | – | – | – | |||
| 61.00 | 0.430 | 10.92 | PSB | – | – | – | – | |||
| 68.00 | 0.480 | 12.19 | PSB | PSB | PSB | PSB | PSB | |||
| 72.00 | 0.514 | 13.06 | – | PSB | PSB | PSB | PSB | |||
| 16 | 65.00 | 16 | 406.40 | 0.375 | 9.53 | – | – | – | – | – |
| 75.00 | 0.438 | 11.13 | PSB | – | – | – | – | |||
| 84.00 | 0.495 | 12.57 | PSB | – | – | – | – | |||
| 109.00 | 0.656 | 16.66 | P | P | P | – | P | |||
| 18 5/8 | 87.50 | 18.625 | 473.08 | 0.435 | 11.05 | PSB | – | – | – | – |
| 20 | 94.00 | 20 | 508.00 | 0.438 | 11.13 | PSLB | – | – | – | – |
| 106.50 | 0.500 | 12.70 | PSLB | – | – | – | – | |||
| 133.00 | 0.635 | 16.13 | PSLB | – | – | – | – | |||
Product manufacturing process
