Products Description
API 5CT Tubing is a critical equipment in the oil and gas industry used for downhole hydrocarbon extraction, primarily designed to transport crude oil or natural gas from formations to the surface. It must withstand high-pressure environments and comply with API SPEC 5CT international standards. Its applications include oil & gas production, hydraulic systems for construction machinery, water/grouting injection in coal mining, and oil drilling equipment.
Key Specifications:
OD range: 60.3–114.3 mm
Structural types:
Non-upset (NU)
External upset (EU)
Integral joint (IJ)
End connections:
Threaded
Coupled
Material grades:
Steel: J55, N80, P110
Engineering plastics: Polyketone (POK) or thermoplastic polyurethane (TPU) for enhanced oil resistance, corrosion resistance, and wear resistance
Working pressure: up to 64 MPa
Connection types:
Hinged
Quick-release
Tapered-seal
Accessories: Pipe clamps improve sealing performance and vibration damping.
Products Specification
Dimension range (OD inch): 1-1/2"--_4 1/2"
Dimension range (OD mm): 267.-114.3
Type of upset NUE, EUE, Plain end.
Standard:API SPEC 5CT
Main Steel Grade: H40,J55,N80,N80Q, L80, L80-1, L80-9Cr,
L80-13Cr, P110 etc.
Type of Tubing: Non-upset tubing (NU), External-upset tubing
(EUE), Integrated Joint (IJ).
Note: P-plain-end; N-non-upset, with threaded and coupled; U-external-upset, with threaded and coupled; I-whole joint
Mechanical Properties:
Chemical Composition
Products Packaging
The outer surface is coated with a protective layer (painted) and marked per API 5CT standards, then bundled with metal steel strapping for packaging.
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