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API5CT Steel pipes for use as casing or tubing
Peotroleum and natureal gas industies - Steel pipes for use as casing or tubing for wells.
Detailed Description
- Peotroleum and natureal gas industies - Steel pipes for use as casing or tubing for wells.
- Standard: API SPEC 5CT
- Size (mm):
- Outer Dimensions: 6.0mm ~ 219.0mm
- Wall Thickness: 1.0mm ~ 30 mm
- Length: max 12000mm
- Application: gas, water and oil transportation in both oil and natural gas .
- Steel grade: J55, K55, N80, L80, P110.
- Packing: Bare/bundles/crates/crate protection at the both sides of tubes or as per customers' requirements .
- Painting: as requested.
Chemical Compositions(%)
| Grade | C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr ≤ |
Ni ≤ |
Cu ≤ |
Mo ≤ |
V ≤ |
Als ≤ |
| J55 | 0.34-0.39 | 0.20-0.35 | 1.25-1.50 | 0.020 | 0.015 | 0.15 | 0.20 | 0.20 | / | / | 0.020 |
| K55 | 0.34-0.39 | 0.20-0.35 | 1.25-1.50 | 0.020 | 0.015 | 0.15 | 0.20 | 0.20 | / | / | 0.020 |
| N80 | 0.34-0.38 | 0.20-0.35 | 1.45-1.70 | 0.020 | 0.015 | 0.15 | / | / | / | 0.11-0.16 | 0.020 |
| 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 |
| P110 | 0.26-035 | 0.17-0.37 | 0.40-0.70 | 0.020 | 0.010 | 0.80-1.10 | 0.20 | 0.20 | 0.15-0.25 | 0.08 | 0.020 |
Mechanical Properties
| Grade | Yield Strength (Mpa) | Tensile Strength (Mpa) |
| J55 | 379-552 | ≥517 |
| K55 | ≥655 | ≥517 |
| N80 | 552-758 | ≥689 |
| L80 | 552-655 | ≥655 |
| P110 | 758-965 | ≥862 |
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