Product Details
Place of Origin: China
Brand Name: Zhongshi
Certification: API 5CT, ISO, QHSE
Model Number: 4 1/2"-20"
Payment & Shipping Terms
Minimum Order Quantity: 1 metric ton
Price: Negotiable
Packaging Details: Be bundled by steel strap
Payment Terms: T/T, L/C
Standard: |
API 5CT |
Wall Thickness: |
5.21-22.22mm |
Steel Grade: |
J55 K55 N80 L80 P110 |
Processing: |
Hot-rolled |
Material: |
Alloy Steel |
Place Of Origin: |
China (mainland) |
Secondary Or Not: |
Non-secondary |
Application: |
Oil Industry |
Standard: |
API 5CT |
Wall Thickness: |
5.21-22.22mm |
Steel Grade: |
J55 K55 N80 L80 P110 |
Processing: |
Hot-rolled |
Material: |
Alloy Steel |
Place Of Origin: |
China (mainland) |
Secondary Or Not: |
Non-secondary |
Application: |
Oil Industry |
Threaded And Coupled Seamless Casing Pipe L80 Alloy Steel Oil Tubulars
Oil casing descriptions:
Oil casing is a large-diameter pipe that serves as the structural retainer for the walls of oil and gas wells
or wellbore.
It is inserted into the well bore and cemented in the well, protect both subsurface formations and the
wellbore from collapsing, allow drilling fluid to circulate in it and extraction to take place.
Features:
1. 4 1/2”-20” seamless casing
2. Hot rolled pipe
Technical specification:
| Size |
Linear Mass lb/ft |
Outside Diameter | Wall Thickness | Type of end-finish | ||||||
| inch | mm | inch | mm | Grade | ||||||
| J-55 K-55 | M-65 | L-80 C-95 | N-80 1,Q | P-110 | ||||||
| 4 1/2'' | 9.5 | 4.5 | 114.3 | 0.205 | 5.21 | PS | PS | - | - | - |
| 10.5 | 4.5 | 114.3 | 0.224 | 5.69 | PSB | PSB | - | - | - | |
| 11.6 | 4.5 | 114.3 | 0.25 | 6.35 | PSLB | PLB | PLB | PLB | PLB | |
| 13.5 | 4.5 | 114.3 | 0.29 | 7.37 | -- | PLB | PLB | PLB | PLB | |
| 15.1 | 4.5 | 114.3 | 0.337 | 8.56 | -- | - | - | - | PLB | |
| 5'' | 11.5 | 5 | 127 | 0.22 | 5.59 | PS | PS | - | - | - |
| 13 | 5 | 127 | 0.253 | 6.43 | PSLB | PSLB | - | - | - | |
| 15 | 5 | 127 | 0.296 | 7.52 | PSLB | PLB | PLB | PLB | PLB | |
| 18 | 5 | 127 | 0.362 | 9.19 | -- | PLB | PLB | PLB | PLB | |
| 21.4 | 5 | 127 | 0.437 | 11.1 | -- | PLB | PLB | PLB | PLB | |
| 23.2 | 5 | 127 | 0.478 | 12.14 | -- | - | PLB | PLB | PLB | |
| 24.1 | 5 | 127 | 0.5 | 12.7 | -- | - | PLB | PLB | PLB | |
| 5 1/2'' | 14 | 5.5 | 139.7 | 0.244 | 6.2 | PS | PS | - | - | - |
| 15.5 | 5.5 | 139.7 | 0.275 | 6.98 | PSLB | PSLB | - | - | - | |
| 17 | 5.5 | 139.7 | 0.304 | 7.72 | PSLB | PLB | PLB | PLB | PLB | |
| 20 | 5.5 | 139.7 | 0.361 | 9.17 | -- | PLB | PLB | PLB | PLB | |
| 23 | 5.5 | 139.7 | 0.415 | 10.54 | -- | PLB | PLB | PLB | PLB | |
| 26.8 | 5.5 | 139.7 | 0.5 | 12.7 | -- | - | - | - | - | |
| 29.7 | 5.5 | 139.7 | 0.562 | 14.27 | -- | - | - | - | - | |
| 32.6 | 5.5 | 139.7 | 0.625 | 15.87 | -- | - | - | - | - | |
| 35.3 | 5.5 | 139.7 | 0.687 | 17.45 | -- | - | - | - | - | |
| 38 | 5.5 | 139.7 | 0.75 | 19.05 | -- | - | - | - | - | |
| 40.5 | 5.5 | 139.7 | 0.812 | 20.62 | -- | - | - | - | - | |
| 43.1 | 5.5 | 139.7 | 0.875 | 22.23 | -- | - | - | - | - | |
| 6 5/8'' | 20 | 6.625 | 168.28 | 0.288 | 7.32 | PSLB | PSLB | - | - | - |
| 24 | 6.625 | 168.28 | 0.352 | 8.94 | PSLB | PLB | PLB | PLB | PLB | |
| 28 | 6.625 | 168.28 | 0.417 | 10.59 | -- | PLB | PLB | PLB | PLB | |
| 32 | 6.625 | 168.28 | 0.475 | 12.06 | -- | -- | PLB | PLB | PLB | |
| 7 3/4'' | 46.1 | 8.625 | 219.08 | 0.595 | 15.11 | - | - | P | P | P |
| 8 5/8'' | 24 | 8.625 | 219.08 | 0.264 | 6.71 | PS | PS | - | - | - |
| 28 | 8.625 | 219.08 | 0.304 | 7.72 | - | PS | - | - | - | |
| 32 | 8.625 | 219.08 | 0.352 | 8.94 | PSLB | PSLB | - | - | - | |
| 36 | 8.625 | 219.08 | 0.4 | 10.16 | PSLB | PSLB | PLB | PLB | PSLB | |
| 8.625 | 219.08 | 0.45 | 11.43 | - | PLB | PLB | PLB | PLB | - | |
| 44 | 8.625 | 219.08 | 0.5 | 12.7 | - | - | PLB | PLB | PLB | |
| 49 | 9.625 | 244.28 | 0.557 | 14.15 | - | - | PLB | PLB | - | |
| 9 5/8'' | 32.3 | 9.625 | 244.48 | 0.312 | 7.92 | - | - | - | - | - |
| 36 | 9.625 | 244.48 | 0.352 | 8.94 | PSLB | PSLB | - | - | - | |
| 40 | 9.625 | 244.48 | 0.395 | 10.03 | PSLB | PSLB | PLB | PLB | PLB | |
| 43.5 | 9.625 | 244.48 | 0.435 | 11.05 | - | PLB | PLB | PLB | PLB | |
| 47 | 9.625 | 244.48 | 0.472 | 11.99 | - | PLB | PLB | PLB | PLB | |
| 53.5 | 9.625 | 244.48 | 0.545 | 13.84 | - | - | PLB | PLB | PLB | |
| 58.4 | 9.625 | 244.48 | 0.595 | 15.11 | - | - | PLB | PLB | - | |
| 59.4 | 9.625 | 244.48 | 0.609 | 15.57 | - | - | - | - | - | |
| 64.9 | 9.625 | 244.48 | 0.672 | 17.07 | - | - | - | - | - | |
| 70.3 | 9.625 | 244.48 | 0.734 | 18.64 | - | - | - | - | - | |
| 75.6 | 9.625 | 244.48 | 0.797 | 20.24 | - | - | - | - | - | |
| 10 3/4'' | 32.75 | 10.75 | 273.05 | 0.279 | 7.09 | - | - | - | - | - |
| 40.5 | 10.75 | 273.05 | 0.35 | 8.89 | PSB | PSB | - | - | - | |
| 45.5 | 10.75 | 273.05 | 0.4 | 10.16 | PSB | PSB | - | - | - | |
| 51 | 10.75 | 273.05 | 0.45 | 11.43 | PSB | PSB | PSB | PSB | PSB | |
| 55.5 | 10.75 | 273.05 | 0.468 | 12.57 | - | PSB | PSB | PSB | PSB | |
| 60.7 | 10.75 | 273.05 | 0.545 | 13.84 | - | - | - | - | PSB | |
| 65.7 | 10.75 | 273.05 | 0.595 | 15.11 | - | - | - | - | PSB | |
| 73.2 | 10.75 | 273.05 | 0.672 | 17.07 | - | - | - | - | - | |
| 79.2 | 10.75 | 273.05 | 0.734 | 18.64 | - | - | - | - | - | |
| 85.3 | 10.75 | 273.05 | 0.797 | 20.24 | - | - | - | - | - | |
| 11 3/4'' | 42 | 11.75 | 298.45 | 0.333 | 8.46 | - | - | - | - | - |
| 47 | 11.75 | 298.45 | 0.375 | 9.53 | PSB | PSB | - | - | - | |
| 54 | 11.75 | 298.45 | 0.435 | 11.05 | PSB | PSB | - | - | - | |
| 65 | 11.75 | 298.45 | 0.534 | 13.56 | - | - | P | P | P | |
| 71 | 11.75 | 298.45 | 0.582 | 14.78 | - | - | P | P | P | |
| 13 3/8'' | 48 | 13.375 | 339.73 | 0.33 | 8.38 | - | - | - | - | - |
| 54.5 | 13.375 | 339.73 | 0.38 | 9.65 | PSB | PSB | - | - | - | |
| 61 | 13.375 | 339.73 | 0.43 | 10.92 | PSB | PSB | - | - | - | |
| 68 | 13.375 | 339.73 | 0.48 | 12.19 | PSB | PSB | PSB | PSB | PSB | |
| 72 | 13.375 | 339.73 | 0.514 | 13.06 | - | - | PSB | PSB | PSB | |
| 18 5/8'' | 87.5 | 18.625 | 473.08 | 0.435 | 11.05 | PSB | PSB | - | - | - |
| 20'' | 94 | 20 | 508 | 0.438 | 11.13 | PSLB | PSLB | - | - | - |
| 106.5 | 20 | 508 | 0.5 | 12.7 | PSLB | PSLB | - | - | - | |
| 133 | 20 | 508 | 0.635 | 16.13 | PSLB | - | - | - | - | |
Mechanical Properties:
| Standard | Grade |
Tensile Strength (Mpa) |
Yield Strength (Mpa) |
Elongation (%) |
Hardness |
| API SPEC 5CT | J55 | ≥517 | 379~552 | 0.5 | |
| K55 | ≥655 | 379~552 | 0.5 | ||
| N80 | ≥689 | 552~758 | 0.5 | ||
| L80 | ≥655 | 552~655 | 0.5 | ≤241HB | |
| P110 | ≥862 | 758~965 | 0.5 |
