After-sales Service: | Acceptable for Third-Party Testing |
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Warranty: | 20 Years |
Type: | Seamless / Welded Tube |
Technique: | Hot Rolled |
Material: | Carbon Steel |
Surface Treatment: | Oiled |
Samples: |
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Customization: |
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Casing Pipe Specifications | |
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Standards: | API SPEC 5CT |
Model in Common Use: | 2-3/8″, 2-7/8″, 3-1/2″, 4″, 4-1/2″ |
Length Range: | R1(6.10-7.32m), R2(8.53-9.75m), R3(11.58-12.8m) |
Steel Grade (Casing Grades, Tubing Grades): | J55, K55, N80-1, N80-Q, L80, P110 |
Type of Screw Thread: | Non upset threaded end(NUE), External upset threaded end(EUE) |
Specialties |
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Oil Tube For Petroleum And Natural Gas Industries
Name of Pipes | Specification | Steel Grade | Standard | ||
---|---|---|---|---|---|
D | (S) | (L) | |||
(mm) | (mm) | (m) | |||
Petroleum Casing Pipe |
127-508 |
5.21-16.66 |
6-12 |
J55. M55. K55. |
API Spec 5CT (8) |
Petroleum Tubing |
26.7-114.3 |
2.87-16.00 |
6-12 |
J55. M55. K55. |
API Spec 5CT (8) |
Coupling |
127-533.4 |
12.5-15 |
6-12 |
J55. M55. K55. |
API Spec 5CT (8) |
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 |
Steel Grade | Yield Strength (Mpa) | Tensile Strength (Mpa) |
API 5CT L80 | 552-655 | ≥655 |
Types of steel tubes | Outer Diameter | Wall Thickness | |
Cold-rolled tubes | Tube sizes(mm) | Tolerances(mm) | Tolerances(mm) |
<114.3 | ±0.79 | -12.5% |
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